[RESEND PATCH v2 2/2] rockchip: rk3568: add clock driver
Kever Yang
kever.yang at rock-chips.com
Tue Jun 8 09:13:18 CEST 2021
On 2021/6/2 上午11:39, Elaine Zhang wrote:
> Add rk3568 clock driver and cru structure definition.
>
> Signed-off-by: Elaine Zhang <zhangqing at rock-chips.com>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>
Thanks,
- Kever
> ---
> .../include/asm/arch-rockchip/cru_rk3568.h | 504 +++
> drivers/clk/rockchip/Makefile | 1 +
> drivers/clk/rockchip/clk_rk3568.c | 2959 +++++++++++++++++
> 3 files changed, 3464 insertions(+)
> create mode 100644 arch/arm/include/asm/arch-rockchip/cru_rk3568.h
> create mode 100644 drivers/clk/rockchip/clk_rk3568.c
>
> diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3568.h b/arch/arm/include/asm/arch-rockchip/cru_rk3568.h
> new file mode 100644
> index 000000000000..6c59033f03a6
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-rockchip/cru_rk3568.h
> @@ -0,0 +1,504 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (c) 2021 Rockchip Electronics Co. Ltd.
> + * Author: Elaine Zhang <zhangqing at rock-chips.com>
> + */
> +
> +#ifndef _ASM_ARCH_CRU_RK3568_H
> +#define _ASM_ARCH_CRU_RK3568_H
> +
> +#define MHz 1000000
> +#define KHz 1000
> +#define OSC_HZ (24 * MHz)
> +
> +#define APLL_HZ (816 * MHz)
> +#define GPLL_HZ (1188 * MHz)
> +#define CPLL_HZ (1000 * MHz)
> +#define PPLL_HZ (100 * MHz)
> +
> +/* RK3568 pll id */
> +enum rk3568_pll_id {
> + APLL,
> + DPLL,
> + CPLL,
> + GPLL,
> + NPLL,
> + VPLL,
> + PPLL,
> + HPLL,
> + PLL_COUNT,
> +};
> +
> +struct rk3568_clk_info {
> + unsigned long id;
> + char *name;
> + bool is_cru;
> +};
> +
> +/* Private data for the clock driver - used by rockchip_get_cru() */
> +struct rk3568_pmuclk_priv {
> + struct rk3568_pmucru *pmucru;
> + ulong ppll_hz;
> + ulong hpll_hz;
> +};
> +
> +struct rk3568_clk_priv {
> + struct rk3568_cru *cru;
> + struct rk3568_grf *grf;
> + ulong ppll_hz;
> + ulong hpll_hz;
> + ulong gpll_hz;
> + ulong cpll_hz;
> + ulong npll_hz;
> + ulong vpll_hz;
> + ulong armclk_hz;
> + ulong armclk_enter_hz;
> + ulong armclk_init_hz;
> + bool sync_kernel;
> + bool set_armclk_rate;
> +};
> +
> +struct rk3568_pll {
> + unsigned int con0;
> + unsigned int con1;
> + unsigned int con2;
> + unsigned int con3;
> + unsigned int con4;
> + unsigned int reserved0[3];
> +};
> +
> +struct rk3568_pmucru {
> + struct rk3568_pll pll[2];/* Address Offset: 0x0000 */
> + unsigned int reserved0[16];/* Address Offset: 0x0040 */
> + unsigned int mode_con00;/* Address Offset: 0x0080 */
> + unsigned int reserved1[31];/* Address Offset: 0x0084 */
> + unsigned int pmu_clksel_con[10];/* Address Offset: 0x0100 */
> + unsigned int reserved2[22];/* Address Offset: 0x0128 */
> + unsigned int pmu_clkgate_con[3];/* Address Offset: 0x0180 */
> + unsigned int reserved3[29];/* Address Offset: 0x018C */
> + unsigned int pmu_softrst_con[1];/* Address Offset: 0x0200 */
> +};
> +
> +check_member(rk3568_pmucru, mode_con00, 0x80);
> +check_member(rk3568_pmucru, pmu_softrst_con[0], 0x200);
> +
> +struct rk3568_cru {
> + struct rk3568_pll pll[6];
> + unsigned int mode_con00;/* Address Offset: 0x00C0 */
> + unsigned int misc_con[3];/* Address Offset: 0x00C4 */
> + unsigned int glb_cnt_th;/* Address Offset: 0x00D0 */
> + unsigned int glb_srst_fst;/* Address Offset: 0x00D4 */
> + unsigned int glb_srsr_snd; /* Address Offset: 0x00D8 */
> + unsigned int glb_rst_con;/* Address Offset: 0x00DC */
> + unsigned int glb_rst_st;/* Address Offset: 0x00E0 */
> + unsigned int reserved0[7];/* Address Offset: 0x00E4 */
> + unsigned int clksel_con[85]; /* Address Offset: 0x0100 */
> + unsigned int reserved1[43];/* Address Offset: 0x0254 */
> + unsigned int clkgate_con[36];/* Address Offset: 0x0300 */
> + unsigned int reserved2[28]; /* Address Offset: 0x0390 */
> + unsigned int softrst_con[30];/* Address Offset: 0x0400 */
> + unsigned int reserved3[2];/* Address Offset: 0x0478 */
> + unsigned int ssgtbl[32];/* Address Offset: 0x0480 */
> + unsigned int reserved4[32];/* Address Offset: 0x0500 */
> + unsigned int sdmmc0_con[2];/* Address Offset: 0x0580 */
> + unsigned int sdmmc1_con[2];/* Address Offset: 0x058C */
> + unsigned int sdmmc2_con[2];/* Address Offset: 0x0590 */
> + unsigned int emmc_con[2];/* Address Offset: 0x0598 */
> +};
> +
> +check_member(rk3568_cru, mode_con00, 0xc0);
> +check_member(rk3568_cru, softrst_con[0], 0x400);
> +
> +struct pll_rate_table {
> + unsigned long rate;
> + unsigned int fbdiv;
> + unsigned int postdiv1;
> + unsigned int refdiv;
> + unsigned int postdiv2;
> + unsigned int dsmpd;
> + unsigned int frac;
> +};
> +
> +#define RK3568_PMU_MODE 0x80
> +#define RK3568_PMU_PLL_CON(x) ((x) * 0x4)
> +#define RK3568_PLL_CON(x) ((x) * 0x4)
> +#define RK3568_MODE_CON 0xc0
> +
> +enum {
> + /* CRU_PMU_CLK_SEL0_CON */
> + RTC32K_SEL_SHIFT = 6,
> + RTC32K_SEL_MASK = 0x3 << RTC32K_SEL_SHIFT,
> + RTC32K_SEL_PMUPVTM = 0,
> + RTC32K_SEL_OSC1_32K,
> + RTC32K_SEL_OSC0_DIV32K,
> +
> + /* CRU_PMU_CLK_SEL1_CON */
> + RTC32K_FRAC_NUMERATOR_SHIFT = 16,
> + RTC32K_FRAC_NUMERATOR_MASK = 0xffff << 16,
> + RTC32K_FRAC_DENOMINATOR_SHIFT = 0,
> + RTC32K_FRAC_DENOMINATOR_MASK = 0xffff,
> +
> + /* CRU_PMU_CLK_SEL2_CON */
> + PCLK_PDPMU_SEL_SHIFT = 15,
> + PCLK_PDPMU_SEL_MASK = 1 << PCLK_PDPMU_SEL_SHIFT,
> + PCLK_PDPMU_SEL_PPLL = 0,
> + PCLK_PDPMU_SEL_GPLL,
> + PCLK_PDPMU_DIV_SHIFT = 0,
> + PCLK_PDPMU_DIV_MASK = 0x1f,
> +
> + /* CRU_PMU_CLK_SEL3_CON */
> + CLK_I2C0_DIV_SHIFT = 0,
> + CLK_I2C0_DIV_MASK = 0x7f,
> +
> + /* CRU_PMU_CLK_SEL6_CON */
> + CLK_PWM0_SEL_SHIFT = 7,
> + CLK_PWM0_SEL_MASK = 1 << CLK_PWM0_SEL_SHIFT,
> + CLK_PWM0_SEL_XIN24M = 0,
> + CLK_PWM0_SEL_PPLL,
> + CLK_PWM0_DIV_SHIFT = 0,
> + CLK_PWM0_DIV_MASK = 0x7f,
> +
> + /* CRU_CLK_SEL0_CON */
> + CLK_CORE_PRE_SEL_SHIFT = 7,
> + CLK_CORE_PRE_SEL_MASK = 1 << CLK_CORE_PRE_SEL_SHIFT,
> + CLK_CORE_PRE_SEL_SRC = 0,
> + CLK_CORE_PRE_SEL_APLL,
> +
> + /* CRU_CLK_SEL2_CON */
> + SCLK_CORE_PRE_SEL_SHIFT = 15,
> + SCLK_CORE_PRE_SEL_MASK = 1 << SCLK_CORE_PRE_SEL_SHIFT,
> + SCLK_CORE_PRE_SEL_SRC = 0,
> + SCLK_CORE_PRE_SEL_NPLL,
> + SCLK_CORE_SRC_SEL_SHIFT = 8,
> + SCLK_CORE_SRC_SEL_MASK = 3 << SCLK_CORE_SRC_SEL_SHIFT,
> + SCLK_CORE_SRC_SEL_APLL = 0,
> + SCLK_CORE_SRC_SEL_GPLL,
> + SCLK_CORE_SRC_SEL_NPLL,
> + SCLK_CORE_SRC_DIV_SHIFT = 0,
> + SCLK_CORE_SRC_DIV_MASK = 0x1f << SCLK_CORE_SRC_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL3_CON */
> + GICCLK_CORE_DIV_SHIFT = 8,
> + GICCLK_CORE_DIV_MASK = 0x1f << GICCLK_CORE_DIV_SHIFT,
> + ATCLK_CORE_DIV_SHIFT = 0,
> + ATCLK_CORE_DIV_MASK = 0x1f << ATCLK_CORE_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL4_CON */
> + PERIPHCLK_CORE_PRE_DIV_SHIFT = 8,
> + PERIPHCLK_CORE_PRE_DIV_MASK = 0x1f << PERIPHCLK_CORE_PRE_DIV_SHIFT,
> + PCLK_CORE_PRE_DIV_SHIFT = 0,
> + PCLK_CORE_PRE_DIV_MASK = 0x1f << PCLK_CORE_PRE_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL5_CON */
> + ACLK_CORE_NIU2BUS_SEL_SHIFT = 14,
> + ACLK_CORE_NIU2BUS_SEL_MASK = 0x3 << ACLK_CORE_NIU2BUS_SEL_SHIFT,
> + ACLK_CORE_NDFT_DIV_SHIFT = 8,
> + ACLK_CORE_NDFT_DIV_MASK = 0x1f << ACLK_CORE_NDFT_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL10_CON */
> + HCLK_PERIMID_SEL_SHIFT = 6,
> + HCLK_PERIMID_SEL_MASK = 3 << HCLK_PERIMID_SEL_SHIFT,
> + HCLK_PERIMID_SEL_150M = 0,
> + HCLK_PERIMID_SEL_100M,
> + HCLK_PERIMID_SEL_75M,
> + HCLK_PERIMID_SEL_24M,
> + ACLK_PERIMID_SEL_SHIFT = 4,
> + ACLK_PERIMID_SEL_MASK = 3 << ACLK_PERIMID_SEL_SHIFT,
> + ACLK_PERIMID_SEL_300M = 0,
> + ACLK_PERIMID_SEL_200M,
> + ACLK_PERIMID_SEL_100M,
> + ACLK_PERIMID_SEL_24M,
> +
> + /* CRU_CLK_SEL27_CON */
> + CLK_CRYPTO_PKA_SEL_SHIFT = 6,
> + CLK_CRYPTO_PKA_SEL_MASK = 3 << CLK_CRYPTO_PKA_SEL_SHIFT,
> + CLK_CRYPTO_PKA_SEL_300M = 0,
> + CLK_CRYPTO_PKA_SEL_200M,
> + CLK_CRYPTO_PKA_SEL_100M,
> + CLK_CRYPTO_CORE_SEL_SHIFT = 4,
> + CLK_CRYPTO_CORE_SEL_MASK = 3 << CLK_CRYPTO_CORE_SEL_SHIFT,
> + CLK_CRYPTO_CORE_SEL_200M = 0,
> + CLK_CRYPTO_CORE_SEL_150M,
> + CLK_CRYPTO_CORE_SEL_100M,
> + HCLK_SECURE_FLASH_SEL_SHIFT = 2,
> + HCLK_SECURE_FLASH_SEL_MASK = 3 << HCLK_SECURE_FLASH_SEL_SHIFT,
> + HCLK_SECURE_FLASH_SEL_150M = 0,
> + HCLK_SECURE_FLASH_SEL_100M,
> + HCLK_SECURE_FLASH_SEL_75M,
> + HCLK_SECURE_FLASH_SEL_24M,
> + ACLK_SECURE_FLASH_SEL_SHIFT = 0,
> + ACLK_SECURE_FLASH_SEL_MASK = 3 << ACLK_SECURE_FLASH_SEL_SHIFT,
> + ACLK_SECURE_FLASH_SEL_200M = 0,
> + ACLK_SECURE_FLASH_SEL_150M,
> + ACLK_SECURE_FLASH_SEL_100M,
> + ACLK_SECURE_FLASH_SEL_24M,
> +
> + /* CRU_CLK_SEL28_CON */
> + CCLK_EMMC_SEL_SHIFT = 12,
> + CCLK_EMMC_SEL_MASK = 7 << CCLK_EMMC_SEL_SHIFT,
> + CCLK_EMMC_SEL_24M = 0,
> + CCLK_EMMC_SEL_200M,
> + CCLK_EMMC_SEL_150M,
> + CCLK_EMMC_SEL_100M,
> + CCLK_EMMC_SEL_50M,
> + CCLK_EMMC_SEL_375K,
> + BCLK_EMMC_SEL_SHIFT = 8,
> + BCLK_EMMC_SEL_MASK = 3 << BCLK_EMMC_SEL_SHIFT,
> + BCLK_EMMC_SEL_200M = 0,
> + BCLK_EMMC_SEL_150M,
> + BCLK_EMMC_SEL_125M,
> + SCLK_SFC_SEL_SHIFT = 4,
> + SCLK_SFC_SEL_MASK = 7 << SCLK_SFC_SEL_SHIFT,
> + SCLK_SFC_SEL_24M = 0,
> + SCLK_SFC_SEL_50M,
> + SCLK_SFC_SEL_75M,
> + SCLK_SFC_SEL_100M,
> + SCLK_SFC_SEL_125M,
> + SCLK_SFC_SEL_150M,
> + NCLK_NANDC_SEL_SHIFT = 0,
> + NCLK_NANDC_SEL_MASK = 3 << NCLK_NANDC_SEL_SHIFT,
> + NCLK_NANDC_SEL_200M = 0,
> + NCLK_NANDC_SEL_150M,
> + NCLK_NANDC_SEL_100M,
> + NCLK_NANDC_SEL_24M,
> +
> + /* CRU_CLK_SEL30_CON */
> + CLK_SDMMC1_SEL_SHIFT = 12,
> + CLK_SDMMC1_SEL_MASK = 7 << CLK_SDMMC1_SEL_SHIFT,
> + CLK_SDMMC0_SEL_SHIFT = 8,
> + CLK_SDMMC0_SEL_MASK = 7 << CLK_SDMMC0_SEL_SHIFT,
> + CLK_SDMMC_SEL_24M = 0,
> + CLK_SDMMC_SEL_400M,
> + CLK_SDMMC_SEL_300M,
> + CLK_SDMMC_SEL_100M,
> + CLK_SDMMC_SEL_50M,
> + CLK_SDMMC_SEL_750K,
> +
> + /* CRU_CLK_SEL31_CON */
> + CLK_MAC0_OUT_SEL_SHIFT = 14,
> + CLK_MAC0_OUT_SEL_MASK = 3 << CLK_MAC0_OUT_SEL_SHIFT,
> + CLK_MAC0_OUT_SEL_125M = 0,
> + CLK_MAC0_OUT_SEL_50M,
> + CLK_MAC0_OUT_SEL_25M,
> + CLK_MAC0_OUT_SEL_24M,
> + CLK_GMAC0_PTP_REF_SEL_SHIFT = 12,
> + CLK_GMAC0_PTP_REF_SEL_MASK = 3 << CLK_GMAC0_PTP_REF_SEL_SHIFT,
> + CLK_GMAC0_PTP_REF_SEL_62_5M = 0,
> + CLK_GMAC0_PTP_REF_SEL_100M,
> + CLK_GMAC0_PTP_REF_SEL_50M,
> + CLK_GMAC0_PTP_REF_SEL_24M,
> + CLK_MAC0_2TOP_SEL_SHIFT = 8,
> + CLK_MAC0_2TOP_SEL_MASK = 3 << CLK_MAC0_2TOP_SEL_SHIFT,
> + CLK_MAC0_2TOP_SEL_125M = 0,
> + CLK_MAC0_2TOP_SEL_50M,
> + CLK_MAC0_2TOP_SEL_25M,
> + CLK_MAC0_2TOP_SEL_PPLL,
> + RGMII0_CLK_SEL_SHIFT = 4,
> + RGMII0_CLK_SEL_MASK = 3 << RGMII0_CLK_SEL_SHIFT,
> + RGMII0_CLK_SEL_125M = 0,
> + RGMII0_CLK_SEL_125M_1,
> + RGMII0_CLK_SEL_2_5M,
> + RGMII0_CLK_SEL_25M,
> + RMII0_CLK_SEL_SHIFT = 3,
> + RMII0_CLK_SEL_MASK = 1 << RMII0_CLK_SEL_SHIFT,
> + RMII0_CLK_SEL_2_5M = 0,
> + RMII0_CLK_SEL_25M,
> + RMII0_EXTCLK_SEL_SHIFT = 2,
> + RMII0_EXTCLK_SEL_MASK = 1 << RMII0_EXTCLK_SEL_SHIFT,
> + RMII0_EXTCLK_SEL_MAC0_TOP = 0,
> + RMII0_EXTCLK_SEL_IO,
> + RMII0_MODE_SHIFT = 0,
> + RMII0_MODE_MASK = 3 << RMII0_MODE_SHIFT,
> + RMII0_MODE_SEL_RGMII = 0,
> + RMII0_MODE_SEL_RMII,
> + RMII0_MODE_SEL_GMII,
> +
> + /* CRU_CLK_SEL32_CON */
> + CLK_SDMMC2_SEL_SHIFT = 8,
> + CLK_SDMMC2_SEL_MASK = 7 << CLK_SDMMC2_SEL_SHIFT,
> +
> + /* CRU_CLK_SEL38_CON */
> + ACLK_VOP_PRE_SEL_SHIFT = 6,
> + ACLK_VOP_PRE_SEL_MASK = 3 << ACLK_VOP_PRE_SEL_SHIFT,
> + ACLK_VOP_PRE_SEL_CPLL = 0,
> + ACLK_VOP_PRE_SEL_GPLL,
> + ACLK_VOP_PRE_SEL_HPLL,
> + ACLK_VOP_PRE_SEL_VPLL,
> + ACLK_VOP_PRE_DIV_SHIFT = 0,
> + ACLK_VOP_PRE_DIV_MASK = 0x1f << ACLK_VOP_PRE_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL39_CON */
> + DCLK0_VOP_SEL_SHIFT = 10,
> + DCLK0_VOP_SEL_MASK = 3 << DCLK0_VOP_SEL_SHIFT,
> + DCLK_VOP_SEL_HPLL = 0,
> + DCLK_VOP_SEL_VPLL,
> + DCLK_VOP_SEL_GPLL,
> + DCLK_VOP_SEL_CPLL,
> + DCLK0_VOP_DIV_SHIFT = 0,
> + DCLK0_VOP_DIV_MASK = 0xff << DCLK0_VOP_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL40_CON */
> + DCLK1_VOP_SEL_SHIFT = 10,
> + DCLK1_VOP_SEL_MASK = 3 << DCLK1_VOP_SEL_SHIFT,
> + DCLK1_VOP_DIV_SHIFT = 0,
> + DCLK1_VOP_DIV_MASK = 0xff << DCLK1_VOP_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL41_CON */
> + DCLK2_VOP_SEL_SHIFT = 10,
> + DCLK2_VOP_SEL_MASK = 3 << DCLK2_VOP_SEL_SHIFT,
> + DCLK2_VOP_DIV_SHIFT = 0,
> + DCLK2_VOP_DIV_MASK = 0xff << DCLK2_VOP_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL43_CON */
> + DCLK_EBC_SEL_SHIFT = 6,
> + DCLK_EBC_SEL_MASK = 3 << DCLK_EBC_SEL_SHIFT,
> + DCLK_EBC_SEL_GPLL_400M = 0,
> + DCLK_EBC_SEL_CPLL_333M,
> + DCLK_EBC_SEL_GPLL_200M,
> +
> + /* CRU_CLK_SEL47_CON */
> + ACLK_RKVDEC_SEL_SHIFT = 7,
> + ACLK_RKVDEC_SEL_MASK = 1 << ACLK_RKVDEC_SEL_SHIFT,
> + ACLK_RKVDEC_SEL_GPLL = 0,
> + ACLK_RKVDEC_SEL_CPLL,
> + ACLK_RKVDEC_DIV_SHIFT = 0,
> + ACLK_RKVDEC_DIV_MASK = 0x1f << ACLK_RKVDEC_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL49_CON */
> + CLK_RKVDEC_CORE_SEL_SHIFT = 14,
> + CLK_RKVDEC_CORE_SEL_MASK = 0x3 << CLK_RKVDEC_CORE_SEL_SHIFT,
> + CLK_RKVDEC_CORE_SEL_GPLL = 0,
> + CLK_RKVDEC_CORE_SEL_CPLL,
> + CLK_RKVDEC_CORE_SEL_NPLL,
> + CLK_RKVDEC_CORE_SEL_VPLL,
> + CLK_RKVDEC_CORE_DIV_SHIFT = 8,
> + CLK_RKVDEC_CORE_DIV_MASK = 0x1f << CLK_RKVDEC_CORE_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL50_CON */
> + PCLK_BUS_SEL_SHIFT = 4,
> + PCLK_BUS_SEL_MASK = 3 << PCLK_BUS_SEL_SHIFT,
> + PCLK_BUS_SEL_100M = 0,
> + PCLK_BUS_SEL_75M,
> + PCLK_BUS_SEL_50M,
> + PCLK_BUS_SEL_24M,
> + ACLK_BUS_SEL_SHIFT = 0,
> + ACLK_BUS_SEL_MASK = 3 << ACLK_BUS_SEL_SHIFT,
> + ACLK_BUS_SEL_200M = 0,
> + ACLK_BUS_SEL_150M,
> + ACLK_BUS_SEL_100M,
> + ACLK_BUS_SEL_24M,
> +
> + /* CRU_CLK_SEL51_CON */
> + CLK_TSADC_DIV_SHIFT = 8,
> + CLK_TSADC_DIV_MASK = 0x7f << CLK_TSADC_DIV_SHIFT,
> + CLK_TSADC_TSEN_SEL_SHIFT = 4,
> + CLK_TSADC_TSEN_SEL_MASK = 0x3 << CLK_TSADC_TSEN_SEL_SHIFT,
> + CLK_TSADC_TSEN_SEL_24M = 0,
> + CLK_TSADC_TSEN_SEL_100M,
> + CLK_TSADC_TSEN_SEL_CPLL_100M,
> + CLK_TSADC_TSEN_DIV_SHIFT = 0,
> + CLK_TSADC_TSEN_DIV_MASK = 0x7 << CLK_TSADC_TSEN_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL52_CON */
> + CLK_UART_SEL_SHIFT = 12,
> + CLK_UART_SEL_MASK = 0x3 << CLK_UART_SEL_SHIFT,
> + CLK_UART_SEL_SRC = 0,
> + CLK_UART_SEL_FRAC,
> + CLK_UART_SEL_XIN24M,
> + CLK_UART_SRC_SEL_SHIFT = 8,
> + CLK_UART_SRC_SEL_MASK = 0x3 << CLK_UART_SRC_SEL_SHIFT,
> + CLK_UART_SRC_SEL_GPLL = 0,
> + CLK_UART_SRC_SEL_CPLL,
> + CLK_UART_SRC_SEL_480M,
> + CLK_UART_SRC_DIV_SHIFT = 0,
> + CLK_UART_SRC_DIV_MASK = 0x3f << CLK_UART_SRC_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL53_CON */
> + CLK_UART_FRAC_NUMERATOR_SHIFT = 16,
> + CLK_UART_FRAC_NUMERATOR_MASK = 0xffff << 16,
> + CLK_UART_FRAC_DENOMINATOR_SHIFT = 0,
> + CLK_UART_FRAC_DENOMINATOR_MASK = 0xffff,
> +
> + /* CRU_CLK_SEL71_CON */
> + CLK_I2C_SEL_SHIFT = 8,
> + CLK_I2C_SEL_MASK = 3 << CLK_I2C_SEL_SHIFT,
> + CLK_I2C_SEL_200M = 0,
> + CLK_I2C_SEL_100M,
> + CLK_I2C_SEL_24M,
> + CLK_I2C_SEL_CPLL_100M,
> +
> + /* CRU_CLK_SEL72_CON */
> + CLK_PWM3_SEL_SHIFT = 12,
> + CLK_PWM3_SEL_MASK = 3 << CLK_PWM3_SEL_SHIFT,
> + CLK_PWM2_SEL_SHIFT = 10,
> + CLK_PWM2_SEL_MASK = 3 << CLK_PWM2_SEL_SHIFT,
> + CLK_PWM1_SEL_SHIFT = 8,
> + CLK_PWM1_SEL_MASK = 3 << CLK_PWM1_SEL_SHIFT,
> + CLK_PWM_SEL_100M = 0,
> + CLK_PWM_SEL_24M,
> + CLK_PWM_SEL_CPLL_100M,
> + CLK_SPI3_SEL_SHIFT = 6,
> + CLK_SPI3_SEL_MASK = 3 << CLK_SPI3_SEL_SHIFT,
> + CLK_SPI2_SEL_SHIFT = 4,
> + CLK_SPI2_SEL_MASK = 3 << CLK_SPI2_SEL_SHIFT,
> + CLK_SPI1_SEL_SHIFT = 2,
> + CLK_SPI1_SEL_MASK = 3 << CLK_SPI1_SEL_SHIFT,
> + CLK_SPI0_SEL_SHIFT = 0,
> + CLK_SPI0_SEL_MASK = 3 << CLK_SPI0_SEL_SHIFT,
> + CLK_SPI_SEL_200M = 0,
> + CLK_SPI_SEL_24M,
> + CLK_SPI_SEL_CPLL_100M,
> +
> + /* CRU_CLK_SEL73_CON */
> + PCLK_TOP_SEL_SHIFT = 12,
> + PCLK_TOP_SEL_MASK = 3 << PCLK_TOP_SEL_SHIFT,
> + PCLK_TOP_SEL_100M = 0,
> + PCLK_TOP_SEL_75M,
> + PCLK_TOP_SEL_50M,
> + PCLK_TOP_SEL_24M,
> + HCLK_TOP_SEL_SHIFT = 8,
> + HCLK_TOP_SEL_MASK = 3 << HCLK_TOP_SEL_SHIFT,
> + HCLK_TOP_SEL_150M = 0,
> + HCLK_TOP_SEL_100M,
> + HCLK_TOP_SEL_75M,
> + HCLK_TOP_SEL_24M,
> + ACLK_TOP_LOW_SEL_SHIFT = 4,
> + ACLK_TOP_LOW_SEL_MASK = 3 << ACLK_TOP_LOW_SEL_SHIFT,
> + ACLK_TOP_LOW_SEL_400M = 0,
> + ACLK_TOP_LOW_SEL_300M,
> + ACLK_TOP_LOW_SEL_200M,
> + ACLK_TOP_LOW_SEL_24M,
> + ACLK_TOP_HIGH_SEL_SHIFT = 0,
> + ACLK_TOP_HIGH_SEL_MASK = 3 << ACLK_TOP_HIGH_SEL_SHIFT,
> + ACLK_TOP_HIGH_SEL_500M = 0,
> + ACLK_TOP_HIGH_SEL_400M,
> + ACLK_TOP_HIGH_SEL_300M,
> + ACLK_TOP_HIGH_SEL_24M,
> +
> + /* CRU_CLK_SEL78_CON */
> + CPLL_500M_DIV_SHIFT = 8,
> + CPLL_500M_DIV_MASK = 0x1f << CPLL_500M_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL79_CON */
> + CPLL_250M_DIV_SHIFT = 8,
> + CPLL_250M_DIV_MASK = 0x1f << CPLL_250M_DIV_SHIFT,
> + CPLL_333M_DIV_SHIFT = 0,
> + CPLL_333M_DIV_MASK = 0x1f << CPLL_333M_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL80_CON */
> + CPLL_62P5M_DIV_SHIFT = 8,
> + CPLL_62P5M_DIV_MASK = 0x1f << CPLL_62P5M_DIV_SHIFT,
> + CPLL_125M_DIV_SHIFT = 0,
> + CPLL_125M_DIV_MASK = 0x1f << CPLL_125M_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL81_CON */
> + CPLL_25M_DIV_SHIFT = 8,
> + CPLL_25M_DIV_MASK = 0x1f << CPLL_25M_DIV_SHIFT,
> + CPLL_50M_DIV_SHIFT = 0,
> + CPLL_50M_DIV_MASK = 0x1f << CPLL_50M_DIV_SHIFT,
> +
> + /* CRU_CLK_SEL82_CON */
> + CPLL_100M_DIV_SHIFT = 0,
> + CPLL_100M_DIV_MASK = 0x1f << CPLL_100M_DIV_SHIFT,
> +};
> +#endif
> diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile
> index 4cfcf8330929..913f611a0ff8 100644
> --- a/drivers/clk/rockchip/Makefile
> +++ b/drivers/clk/rockchip/Makefile
> @@ -14,4 +14,5 @@ obj-$(CONFIG_ROCKCHIP_RK3308) += clk_rk3308.o
> obj-$(CONFIG_ROCKCHIP_RK3328) += clk_rk3328.o
> obj-$(CONFIG_ROCKCHIP_RK3368) += clk_rk3368.o
> obj-$(CONFIG_ROCKCHIP_RK3399) += clk_rk3399.o
> +obj-$(CONFIG_ROCKCHIP_RK3568) += clk_rk3568.o
> obj-$(CONFIG_ROCKCHIP_RV1108) += clk_rv1108.o
> diff --git a/drivers/clk/rockchip/clk_rk3568.c b/drivers/clk/rockchip/clk_rk3568.c
> new file mode 100644
> index 000000000000..553c6c0dafbd
> --- /dev/null
> +++ b/drivers/clk/rockchip/clk_rk3568.c
> @@ -0,0 +1,2959 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2021 Rockchip Electronics Co., Ltd
> + * Author: Elaine Zhang <zhangqing at rock-chips.com>
> + */
> +
> +#include <common.h>
> +#include <bitfield.h>
> +#include <clk-uclass.h>
> +#include <dm.h>
> +#include <errno.h>
> +#include <syscon.h>
> +#include <asm/arch-rockchip/cru_rk3568.h>
> +#include <asm/arch-rockchip/clock.h>
> +#include <asm/arch-rockchip/hardware.h>
> +#include <asm/io.h>
> +#include <dm/lists.h>
> +#include <dt-bindings/clock/rk3568-cru.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +#if CONFIG_IS_ENABLED(OF_PLATDATA)
> +struct rk3568_clk_plat {
> + struct dtd_rockchip_rk3568_cru dtd;
> +};
> +
> +struct rk3568_pmuclk_plat {
> + struct dtd_rockchip_rk3568_pmucru dtd;
> +};
> +#endif
> +
> +#define RK3568_CPUCLK_RATE(_rate, _aclk_div, _pclk_div) \
> +{ \
> + .rate = _rate##U, \
> + .aclk_div = _aclk_div, \
> + .pclk_div = _pclk_div, \
> +}
> +
> +#define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1))
> +
> +static struct rockchip_cpu_rate_table rk3568_cpu_rates[] = {
> + RK3568_CPUCLK_RATE(1416000000, 1, 5),
> + RK3568_CPUCLK_RATE(1296000000, 1, 5),
> + RK3568_CPUCLK_RATE(1200000000, 1, 3),
> + RK3568_CPUCLK_RATE(1104000000, 1, 3),
> + RK3568_CPUCLK_RATE(1008000000, 1, 3),
> + RK3568_CPUCLK_RATE(912000000, 1, 3),
> + RK3568_CPUCLK_RATE(816000000, 1, 3),
> + RK3568_CPUCLK_RATE(600000000, 1, 1),
> + RK3568_CPUCLK_RATE(408000000, 1, 1),
> + { /* sentinel */ },
> +};
> +
> +static struct rockchip_pll_rate_table rk3568_pll_rates[] = {
> + /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */
> + RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1416000000, 1, 118, 2, 1, 1, 0),
> + RK3036_PLL_RATE(1296000000, 1, 108, 2, 1, 1, 0),
> + RK3036_PLL_RATE(1200000000, 1, 100, 2, 1, 1, 0),
> + RK3036_PLL_RATE(1188000000, 1, 99, 2, 1, 1, 0),
> + RK3036_PLL_RATE(1104000000, 1, 92, 2, 1, 1, 0),
> + RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0),
> + RK3036_PLL_RATE(1000000000, 3, 250, 2, 1, 1, 0),
> + RK3036_PLL_RATE(912000000, 1, 76, 2, 1, 1, 0),
> + RK3036_PLL_RATE(816000000, 1, 68, 2, 1, 1, 0),
> + RK3036_PLL_RATE(600000000, 1, 100, 4, 1, 1, 0),
> + RK3036_PLL_RATE(594000000, 1, 99, 4, 1, 1, 0),
> + RK3036_PLL_RATE(500000000, 1, 125, 6, 1, 1, 0),
> + RK3036_PLL_RATE(408000000, 1, 68, 2, 2, 1, 0),
> + RK3036_PLL_RATE(400000000, 1, 100, 6, 1, 1, 0),
> + RK3036_PLL_RATE(200000000, 1, 100, 6, 2, 1, 0),
> + RK3036_PLL_RATE(100000000, 1, 150, 6, 6, 1, 0),
> + { /* sentinel */ },
> +};
> +
> +static struct rockchip_pll_clock rk3568_pll_clks[] = {
> + [APLL] = PLL(pll_rk3328, PLL_APLL, RK3568_PLL_CON(0),
> + RK3568_MODE_CON, 0, 10, 0, rk3568_pll_rates),
> + [DPLL] = PLL(pll_rk3328, PLL_DPLL, RK3568_PLL_CON(8),
> + RK3568_MODE_CON, 2, 10, 0, NULL),
> + [CPLL] = PLL(pll_rk3328, PLL_CPLL, RK3568_PLL_CON(24),
> + RK3568_MODE_CON, 4, 10, 0, rk3568_pll_rates),
> + [GPLL] = PLL(pll_rk3328, PLL_HPLL, RK3568_PLL_CON(16),
> + RK3568_MODE_CON, 6, 10, 0, rk3568_pll_rates),
> + [NPLL] = PLL(pll_rk3328, PLL_NPLL, RK3568_PLL_CON(32),
> + RK3568_MODE_CON, 10, 10, 0, rk3568_pll_rates),
> + [VPLL] = PLL(pll_rk3328, PLL_VPLL, RK3568_PLL_CON(40),
> + RK3568_MODE_CON, 12, 10, 0, rk3568_pll_rates),
> + [PPLL] = PLL(pll_rk3328, PLL_PPLL, RK3568_PMU_PLL_CON(0),
> + RK3568_PMU_MODE, 0, 10, 0, rk3568_pll_rates),
> + [HPLL] = PLL(pll_rk3328, PLL_HPLL, RK3568_PMU_PLL_CON(16),
> + RK3568_PMU_MODE, 2, 10, 0, rk3568_pll_rates),
> +};
> +
> +#ifndef CONFIG_SPL_BUILD
> +static ulong
> +rk3568_pmu_pll_set_rate(struct rk3568_clk_priv *priv,
> + ulong pll_id, ulong rate)
> +{
> + struct udevice *pmucru_dev;
> + struct rk3568_pmuclk_priv *pmu_priv;
> + int ret;
> +
> + ret = uclass_get_device_by_driver(UCLASS_CLK,
> + DM_DRIVER_GET(rockchip_rk3568_pmucru),
> + &pmucru_dev);
> + if (ret) {
> + printf("%s: could not find pmucru device\n", __func__);
> + return ret;
> + }
> + pmu_priv = dev_get_priv(pmucru_dev);
> +
> + rockchip_pll_set_rate(&rk3568_pll_clks[pll_id],
> + pmu_priv->pmucru, pll_id, rate);
> +
> + return 0;
> +}
> +#endif
> +
> +static ulong rk3568_pmu_pll_get_rate(struct rk3568_clk_priv *priv,
> + ulong pll_id)
> +{
> + struct udevice *pmucru_dev;
> + struct rk3568_pmuclk_priv *pmu_priv;
> + int ret;
> +
> + ret = uclass_get_device_by_driver(UCLASS_CLK,
> + DM_DRIVER_GET(rockchip_rk3568_pmucru),
> + &pmucru_dev);
> + if (ret) {
> + printf("%s: could not find pmucru device\n", __func__);
> + return ret;
> + }
> + pmu_priv = dev_get_priv(pmucru_dev);
> +
> + return rockchip_pll_get_rate(&rk3568_pll_clks[pll_id],
> + pmu_priv->pmucru, pll_id);
> +}
> +
> +/*
> + *
> + * rational_best_approximation(31415, 10000,
> + * (1 << 8) - 1, (1 << 5) - 1, &n, &d);
> + *
> + * you may look at given_numerator as a fixed point number,
> + * with the fractional part size described in given_denominator.
> + *
> + * for theoretical background, see:
> + * http://en.wikipedia.org/wiki/Continued_fraction
> + */
> +static void rational_best_approximation(unsigned long given_numerator,
> + unsigned long given_denominator,
> + unsigned long max_numerator,
> + unsigned long max_denominator,
> + unsigned long *best_numerator,
> + unsigned long *best_denominator)
> +{
> + unsigned long n, d, n0, d0, n1, d1;
> +
> + n = given_numerator;
> + d = given_denominator;
> + n0 = 0;
> + d1 = 0;
> + n1 = 1;
> + d0 = 1;
> + for (;;) {
> + unsigned long t, a;
> +
> + if (n1 > max_numerator || d1 > max_denominator) {
> + n1 = n0;
> + d1 = d0;
> + break;
> + }
> + if (d == 0)
> + break;
> + t = d;
> + a = n / d;
> + d = n % d;
> + n = t;
> + t = n0 + a * n1;
> + n0 = n1;
> + n1 = t;
> + t = d0 + a * d1;
> + d0 = d1;
> + d1 = t;
> + }
> + *best_numerator = n1;
> + *best_denominator = d1;
> +}
> +
> +static ulong rk3568_rtc32k_get_pmuclk(struct rk3568_pmuclk_priv *priv)
> +{
> + struct rk3568_pmucru *pmucru = priv->pmucru;
> + unsigned long m, n;
> + u32 fracdiv;
> +
> + fracdiv = readl(&pmucru->pmu_clksel_con[1]);
> + m = fracdiv & RTC32K_FRAC_NUMERATOR_MASK;
> + m >>= RTC32K_FRAC_NUMERATOR_SHIFT;
> + n = fracdiv & RTC32K_FRAC_DENOMINATOR_MASK;
> + n >>= RTC32K_FRAC_DENOMINATOR_SHIFT;
> +
> + return OSC_HZ * m / n;
> +}
> +
> +static ulong rk3568_rtc32k_set_pmuclk(struct rk3568_pmuclk_priv *priv,
> + ulong rate)
> +{
> + struct rk3568_pmucru *pmucru = priv->pmucru;
> + unsigned long m, n, val;
> +
> + rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK,
> + RTC32K_SEL_OSC0_DIV32K << RTC32K_SEL_SHIFT);
> +
> + rational_best_approximation(rate, OSC_HZ,
> + GENMASK(16 - 1, 0),
> + GENMASK(16 - 1, 0),
> + &m, &n);
> + val = m << RTC32K_FRAC_NUMERATOR_SHIFT | n;
> + writel(val, &pmucru->pmu_clksel_con[1]);
> +
> + return rk3568_rtc32k_get_pmuclk(priv);
> +}
> +
> +static ulong rk3568_i2c_get_pmuclk(struct rk3568_pmuclk_priv *priv,
> + ulong clk_id)
> +{
> + struct rk3568_pmucru *pmucru = priv->pmucru;
> + u32 div, con;
> +
> + switch (clk_id) {
> + case CLK_I2C0:
> + con = readl(&pmucru->pmu_clksel_con[3]);
> + div = (con & CLK_I2C0_DIV_MASK) >> CLK_I2C0_DIV_SHIFT;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return DIV_TO_RATE(priv->ppll_hz, div);
> +}
> +
> +static ulong rk3568_i2c_set_pmuclk(struct rk3568_pmuclk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_pmucru *pmucru = priv->pmucru;
> + int src_clk_div;
> +
> + src_clk_div = DIV_ROUND_UP(priv->ppll_hz, rate);
> + assert(src_clk_div - 1 <= 127);
> +
> + switch (clk_id) {
> + case CLK_I2C0:
> + rk_clrsetreg(&pmucru->pmu_clksel_con[3], CLK_I2C0_DIV_MASK,
> + (src_clk_div - 1) << CLK_I2C0_DIV_SHIFT);
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rk3568_i2c_get_pmuclk(priv, clk_id);
> +}
> +
> +static ulong rk3568_pwm_get_pmuclk(struct rk3568_pmuclk_priv *priv,
> + ulong clk_id)
> +{
> + struct rk3568_pmucru *pmucru = priv->pmucru;
> + u32 div, sel, con, parent;
> +
> + switch (clk_id) {
> + case CLK_PWM0:
> + con = readl(&pmucru->pmu_clksel_con[6]);
> + sel = (con & CLK_PWM0_SEL_MASK) >> CLK_PWM0_SEL_SHIFT;
> + div = (con & CLK_PWM0_DIV_MASK) >> CLK_PWM0_DIV_SHIFT;
> + if (sel == CLK_PWM0_SEL_XIN24M)
> + parent = OSC_HZ;
> + else
> + parent = priv->ppll_hz;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return DIV_TO_RATE(parent, div);
> +}
> +
> +static ulong rk3568_pwm_set_pmuclk(struct rk3568_pmuclk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_pmucru *pmucru = priv->pmucru;
> + int src_clk_div;
> +
> + switch (clk_id) {
> + case CLK_PWM0:
> + if (rate == OSC_HZ) {
> + rk_clrsetreg(&pmucru->pmu_clksel_con[6],
> + CLK_PWM0_SEL_MASK | CLK_PWM0_DIV_MASK,
> + (CLK_PWM0_SEL_XIN24M <<
> + CLK_PWM0_SEL_SHIFT) |
> + 0 << CLK_PWM0_SEL_SHIFT);
> + } else {
> + src_clk_div = DIV_ROUND_UP(priv->ppll_hz, rate);
> + assert(src_clk_div - 1 <= 127);
> + rk_clrsetreg(&pmucru->pmu_clksel_con[6],
> + CLK_PWM0_DIV_MASK | CLK_PWM0_DIV_MASK,
> + (CLK_PWM0_SEL_PPLL << CLK_PWM0_SEL_SHIFT) |
> + (src_clk_div - 1) << CLK_PWM0_DIV_SHIFT);
> + }
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rk3568_pwm_get_pmuclk(priv, clk_id);
> +}
> +
> +static ulong rk3568_pmu_get_pmuclk(struct rk3568_pmuclk_priv *priv)
> +{
> + struct rk3568_pmucru *pmucru = priv->pmucru;
> + u32 div, con, sel, parent;
> +
> + con = readl(&pmucru->pmu_clksel_con[2]);
> + sel = (con & PCLK_PDPMU_SEL_MASK) >> PCLK_PDPMU_SEL_SHIFT;
> + div = (con & PCLK_PDPMU_DIV_MASK) >> PCLK_PDPMU_DIV_SHIFT;
> + if (sel)
> + parent = GPLL_HZ;
> + else
> + parent = priv->ppll_hz;
> +
> + return DIV_TO_RATE(parent, div);
> +}
> +
> +static ulong rk3568_pmu_set_pmuclk(struct rk3568_pmuclk_priv *priv,
> + ulong rate)
> +{
> + struct rk3568_pmucru *pmucru = priv->pmucru;
> + int src_clk_div;
> +
> + src_clk_div = DIV_ROUND_UP(priv->ppll_hz, rate);
> + assert(src_clk_div - 1 <= 31);
> +
> + rk_clrsetreg(&pmucru->pmu_clksel_con[2],
> + PCLK_PDPMU_DIV_MASK | PCLK_PDPMU_SEL_MASK,
> + (PCLK_PDPMU_SEL_PPLL << PCLK_PDPMU_SEL_SHIFT) |
> + ((src_clk_div - 1) << PCLK_PDPMU_DIV_SHIFT));
> +
> + return rk3568_pmu_get_pmuclk(priv);
> +}
> +
> +static ulong rk3568_pmuclk_get_rate(struct clk *clk)
> +{
> + struct rk3568_pmuclk_priv *priv = dev_get_priv(clk->dev);
> + ulong rate = 0;
> +
> + if (!priv->ppll_hz) {
> + printf("%s ppll=%lu\n", __func__, priv->ppll_hz);
> + return -ENOENT;
> + }
> +
> + debug("%s %ld\n", __func__, clk->id);
> + switch (clk->id) {
> + case PLL_PPLL:
> + rate = rockchip_pll_get_rate(&rk3568_pll_clks[PPLL],
> + priv->pmucru, PPLL);
> + break;
> + case PLL_HPLL:
> + rate = rockchip_pll_get_rate(&rk3568_pll_clks[HPLL],
> + priv->pmucru, HPLL);
> + break;
> + case CLK_RTC_32K:
> + case CLK_RTC32K_FRAC:
> + rate = rk3568_rtc32k_get_pmuclk(priv);
> + break;
> + case CLK_I2C0:
> + rate = rk3568_i2c_get_pmuclk(priv, clk->id);
> + break;
> + case CLK_PWM0:
> + rate = rk3568_pwm_get_pmuclk(priv, clk->id);
> + break;
> + case PCLK_PMU:
> + rate = rk3568_pmu_get_pmuclk(priv);
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rate;
> +}
> +
> +static ulong rk3568_pmuclk_set_rate(struct clk *clk, ulong rate)
> +{
> + struct rk3568_pmuclk_priv *priv = dev_get_priv(clk->dev);
> + ulong ret = 0;
> +
> + if (!priv->ppll_hz) {
> + printf("%s ppll=%lu\n", __func__, priv->ppll_hz);
> + return -ENOENT;
> + }
> +
> + debug("%s %ld %ld\n", __func__, clk->id, rate);
> + switch (clk->id) {
> + case PLL_PPLL:
> + ret = rockchip_pll_set_rate(&rk3568_pll_clks[PPLL],
> + priv->pmucru, PPLL, rate);
> + priv->ppll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[PPLL],
> + priv->pmucru, PPLL);
> + break;
> + case PLL_HPLL:
> + ret = rockchip_pll_set_rate(&rk3568_pll_clks[HPLL],
> + priv->pmucru, HPLL, rate);
> + priv->hpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[HPLL],
> + priv->pmucru, HPLL);
> + break;
> + case CLK_RTC_32K:
> + case CLK_RTC32K_FRAC:
> + ret = rk3568_rtc32k_set_pmuclk(priv, rate);
> + break;
> + case CLK_I2C0:
> + ret = rk3568_i2c_set_pmuclk(priv, clk->id, rate);
> + break;
> + case CLK_PWM0:
> + ret = rk3568_pwm_set_pmuclk(priv, clk->id, rate);
> + break;
> + case PCLK_PMU:
> + ret = rk3568_pmu_set_pmuclk(priv, rate);
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return ret;
> +}
> +
> +static int rk3568_rtc32k_set_parent(struct clk *clk, struct clk *parent)
> +{
> + struct rk3568_pmuclk_priv *priv = dev_get_priv(clk->dev);
> + struct rk3568_pmucru *pmucru = priv->pmucru;
> +
> + if (parent->id == CLK_RTC32K_FRAC)
> + rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK,
> + RTC32K_SEL_OSC0_DIV32K << RTC32K_SEL_SHIFT);
> + else
> + rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK,
> + RTC32K_SEL_OSC1_32K << RTC32K_SEL_SHIFT);
> +
> + return 0;
> +}
> +
> +static int rk3568_pmuclk_set_parent(struct clk *clk, struct clk *parent)
> +{
> + switch (clk->id) {
> + case CLK_RTC_32K:
> + return rk3568_rtc32k_set_parent(clk, parent);
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static struct clk_ops rk3568_pmuclk_ops = {
> + .get_rate = rk3568_pmuclk_get_rate,
> + .set_rate = rk3568_pmuclk_set_rate,
> + .set_parent = rk3568_pmuclk_set_parent,
> +};
> +
> +static int rk3568_pmuclk_probe(struct udevice *dev)
> +{
> + struct rk3568_pmuclk_priv *priv = dev_get_priv(dev);
> + int ret = 0;
> +
> + if (priv->ppll_hz != PPLL_HZ) {
> + ret = rockchip_pll_set_rate(&rk3568_pll_clks[PPLL],
> + priv->pmucru,
> + PPLL, PPLL_HZ);
> + if (!ret)
> + priv->ppll_hz = PPLL_HZ;
> + }
> +
> + /* Ungate PCIe30phy refclk_m and refclk_n */
> + rk_clrsetreg(&priv->pmucru->pmu_clkgate_con[2], 0x3 << 13, 0 << 13);
> + return 0;
> +}
> +
> +static int rk3568_pmuclk_ofdata_to_platdata(struct udevice *dev)
> +{
> + struct rk3568_pmuclk_priv *priv = dev_get_priv(dev);
> +
> + priv->pmucru = dev_read_addr_ptr(dev);
> +
> + return 0;
> +}
> +
> +static int rk3568_pmuclk_bind(struct udevice *dev)
> +{
> +#if CONFIG_IS_ENABLED(RESET_ROCKCHIP)
> + int ret = 0;
> +
> + ret = offsetof(struct rk3568_pmucru, pmu_softrst_con[0]);
> + ret = rockchip_reset_bind(dev, ret, 1);
> + if (ret)
> + debug("Warning: pmucru software reset driver bind faile\n");
> +#endif
> +
> + return 0;
> +}
> +
> +static const struct udevice_id rk3568_pmuclk_ids[] = {
> + { .compatible = "rockchip,rk3568-pmucru" },
> + { }
> +};
> +
> +U_BOOT_DRIVER(rockchip_rk3568_pmucru) = {
> + .name = "rockchip_rk3568_pmucru",
> + .id = UCLASS_CLK,
> + .of_match = rk3568_pmuclk_ids,
> + .priv_auto = sizeof(struct rk3568_pmuclk_priv),
> + .of_to_plat = rk3568_pmuclk_ofdata_to_platdata,
> + .ops = &rk3568_pmuclk_ops,
> + .bind = rk3568_pmuclk_bind,
> + .probe = rk3568_pmuclk_probe,
> +#if CONFIG_IS_ENABLED(OF_PLATDATA)
> + .plat_auto = sizeof(struct rk3568_pmuclk_plat),
> +#endif
> +
> +};
> +
> +static int rk3568_armclk_set_clk(struct rk3568_clk_priv *priv, ulong hz)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + const struct rockchip_cpu_rate_table *rate;
> + ulong old_rate;
> +
> + rate = rockchip_get_cpu_settings(rk3568_cpu_rates, hz);
> + if (!rate) {
> + printf("%s unsupported rate\n", __func__);
> + return -EINVAL;
> + }
> +
> + rk_clrsetreg(&cru->clksel_con[0],
> + CLK_CORE_PRE_SEL_MASK,
> + (CLK_CORE_PRE_SEL_SRC << CLK_CORE_PRE_SEL_SHIFT));
> + rk_clrsetreg(&cru->clksel_con[2],
> + SCLK_CORE_PRE_SEL_MASK |
> + SCLK_CORE_SRC_SEL_MASK |
> + SCLK_CORE_SRC_DIV_MASK,
> + (SCLK_CORE_PRE_SEL_SRC <<
> + SCLK_CORE_PRE_SEL_SHIFT) |
> + (SCLK_CORE_SRC_SEL_APLL <<
> + SCLK_CORE_SRC_SEL_SHIFT) |
> + (1 << SCLK_CORE_SRC_DIV_SHIFT));
> +
> + /*
> + * set up dependent divisors for DBG and ACLK clocks.
> + */
> + old_rate = rockchip_pll_get_rate(&rk3568_pll_clks[APLL],
> + priv->cru, APLL);
> + if (old_rate > hz) {
> + if (rockchip_pll_set_rate(&rk3568_pll_clks[APLL],
> + priv->cru, APLL, hz))
> + return -EINVAL;
> + rk_clrsetreg(&cru->clksel_con[3],
> + GICCLK_CORE_DIV_MASK | ATCLK_CORE_DIV_MASK,
> + rate->pclk_div << GICCLK_CORE_DIV_SHIFT |
> + rate->pclk_div << ATCLK_CORE_DIV_SHIFT);
> + rk_clrsetreg(&cru->clksel_con[4],
> + PERIPHCLK_CORE_PRE_DIV_MASK |
> + PCLK_CORE_PRE_DIV_MASK,
> + rate->pclk_div << PCLK_CORE_PRE_DIV_SHIFT |
> + rate->pclk_div << PERIPHCLK_CORE_PRE_DIV_SHIFT);
> + rk_clrsetreg(&cru->clksel_con[5],
> + ACLK_CORE_NDFT_DIV_MASK,
> + rate->aclk_div << ACLK_CORE_NDFT_DIV_SHIFT);
> + } else if (old_rate < hz) {
> + rk_clrsetreg(&cru->clksel_con[3],
> + GICCLK_CORE_DIV_MASK | ATCLK_CORE_DIV_MASK,
> + rate->pclk_div << GICCLK_CORE_DIV_SHIFT |
> + rate->pclk_div << ATCLK_CORE_DIV_SHIFT);
> + rk_clrsetreg(&cru->clksel_con[4],
> + PERIPHCLK_CORE_PRE_DIV_MASK |
> + PCLK_CORE_PRE_DIV_MASK,
> + rate->pclk_div << PCLK_CORE_PRE_DIV_SHIFT |
> + rate->pclk_div << PERIPHCLK_CORE_PRE_DIV_SHIFT);
> + rk_clrsetreg(&cru->clksel_con[5],
> + ACLK_CORE_NDFT_DIV_MASK,
> + rate->aclk_div << ACLK_CORE_NDFT_DIV_SHIFT);
> + if (rockchip_pll_set_rate(&rk3568_pll_clks[APLL],
> + priv->cru, APLL, hz))
> + return -EINVAL;
> + }
> +
> + return 0;
> +}
> +
> +static ulong rk3568_cpll_div_get_rate(struct rk3568_clk_priv *priv,
> + ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int div, mask, shift, con;
> +
> + switch (clk_id) {
> + case CPLL_500M:
> + con = 78;
> + mask = CPLL_500M_DIV_MASK;
> + shift = CPLL_500M_DIV_SHIFT;
> + break;
> + case CPLL_333M:
> + con = 79;
> + mask = CPLL_333M_DIV_MASK;
> + shift = CPLL_333M_DIV_SHIFT;
> + break;
> + case CPLL_250M:
> + con = 79;
> + mask = CPLL_250M_DIV_MASK;
> + shift = CPLL_250M_DIV_SHIFT;
> + break;
> + case CPLL_125M:
> + con = 80;
> + mask = CPLL_125M_DIV_MASK;
> + shift = CPLL_125M_DIV_SHIFT;
> + break;
> + case CPLL_100M:
> + con = 82;
> + mask = CPLL_100M_DIV_MASK;
> + shift = CPLL_100M_DIV_SHIFT;
> + break;
> + case CPLL_62P5M:
> + con = 80;
> + mask = CPLL_62P5M_DIV_MASK;
> + shift = CPLL_62P5M_DIV_SHIFT;
> + break;
> + case CPLL_50M:
> + con = 81;
> + mask = CPLL_50M_DIV_MASK;
> + shift = CPLL_50M_DIV_SHIFT;
> + break;
> + case CPLL_25M:
> + con = 81;
> + mask = CPLL_25M_DIV_MASK;
> + shift = CPLL_25M_DIV_SHIFT;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + div = (readl(&cru->clksel_con[con]) & mask) >> shift;
> + return DIV_TO_RATE(priv->cpll_hz, div);
> +}
> +
> +static ulong rk3568_cpll_div_set_rate(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int div, mask, shift, con;
> +
> + switch (clk_id) {
> + case CPLL_500M:
> + con = 78;
> + mask = CPLL_500M_DIV_MASK;
> + shift = CPLL_500M_DIV_SHIFT;
> + break;
> + case CPLL_333M:
> + con = 79;
> + mask = CPLL_333M_DIV_MASK;
> + shift = CPLL_333M_DIV_SHIFT;
> + break;
> + case CPLL_250M:
> + con = 79;
> + mask = CPLL_250M_DIV_MASK;
> + shift = CPLL_250M_DIV_SHIFT;
> + break;
> + case CPLL_125M:
> + con = 80;
> + mask = CPLL_125M_DIV_MASK;
> + shift = CPLL_125M_DIV_SHIFT;
> + break;
> + case CPLL_100M:
> + con = 82;
> + mask = CPLL_100M_DIV_MASK;
> + shift = CPLL_100M_DIV_SHIFT;
> + break;
> + case CPLL_62P5M:
> + con = 80;
> + mask = CPLL_62P5M_DIV_MASK;
> + shift = CPLL_62P5M_DIV_SHIFT;
> + break;
> + case CPLL_50M:
> + con = 81;
> + mask = CPLL_50M_DIV_MASK;
> + shift = CPLL_50M_DIV_SHIFT;
> + break;
> + case CPLL_25M:
> + con = 81;
> + mask = CPLL_25M_DIV_MASK;
> + shift = CPLL_25M_DIV_SHIFT;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + div = DIV_ROUND_UP(priv->cpll_hz, rate);
> + assert(div - 1 <= 31);
> + rk_clrsetreg(&cru->clksel_con[con],
> + mask, (div - 1) << shift);
> + return rk3568_cpll_div_get_rate(priv, clk_id);
> +}
> +
> +static ulong rk3568_bus_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 con, sel, rate;
> +
> + switch (clk_id) {
> + case ACLK_BUS:
> + con = readl(&cru->clksel_con[50]);
> + sel = (con & ACLK_BUS_SEL_MASK) >> ACLK_BUS_SEL_SHIFT;
> + if (sel == ACLK_BUS_SEL_200M)
> + rate = 200 * MHz;
> + else if (sel == ACLK_BUS_SEL_150M)
> + rate = 150 * MHz;
> + else if (sel == ACLK_BUS_SEL_100M)
> + rate = 100 * MHz;
> + else
> + rate = OSC_HZ;
> + break;
> + case PCLK_BUS:
> + case PCLK_WDT_NS:
> + con = readl(&cru->clksel_con[50]);
> + sel = (con & PCLK_BUS_SEL_MASK) >> PCLK_BUS_SEL_SHIFT;
> + if (sel == PCLK_BUS_SEL_100M)
> + rate = 100 * MHz;
> + else if (sel == PCLK_BUS_SEL_75M)
> + rate = 75 * MHz;
> + else if (sel == PCLK_BUS_SEL_50M)
> + rate = 50 * MHz;
> + else
> + rate = OSC_HZ;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rate;
> +}
> +
> +static ulong rk3568_bus_set_clk(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + switch (clk_id) {
> + case ACLK_BUS:
> + if (rate == 200 * MHz)
> + src_clk = ACLK_BUS_SEL_200M;
> + else if (rate == 150 * MHz)
> + src_clk = ACLK_BUS_SEL_150M;
> + else if (rate == 100 * MHz)
> + src_clk = ACLK_BUS_SEL_100M;
> + else
> + src_clk = ACLK_BUS_SEL_24M;
> + rk_clrsetreg(&cru->clksel_con[50],
> + ACLK_BUS_SEL_MASK,
> + src_clk << ACLK_BUS_SEL_SHIFT);
> + break;
> + case PCLK_BUS:
> + case PCLK_WDT_NS:
> + if (rate == 100 * MHz)
> + src_clk = PCLK_BUS_SEL_100M;
> + else if (rate == 75 * MHz)
> + src_clk = PCLK_BUS_SEL_75M;
> + else if (rate == 50 * MHz)
> + src_clk = PCLK_BUS_SEL_50M;
> + else
> + src_clk = PCLK_BUS_SEL_24M;
> + rk_clrsetreg(&cru->clksel_con[50],
> + PCLK_BUS_SEL_MASK,
> + src_clk << PCLK_BUS_SEL_SHIFT);
> + break;
> +
> + default:
> + printf("do not support this bus freq\n");
> + return -EINVAL;
> + }
> +
> + return rk3568_bus_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3568_perimid_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 con, sel, rate;
> +
> + switch (clk_id) {
> + case ACLK_PERIMID:
> + con = readl(&cru->clksel_con[10]);
> + sel = (con & ACLK_PERIMID_SEL_MASK) >> ACLK_PERIMID_SEL_SHIFT;
> + if (sel == ACLK_PERIMID_SEL_300M)
> + rate = 300 * MHz;
> + else if (sel == ACLK_PERIMID_SEL_200M)
> + rate = 200 * MHz;
> + else if (sel == ACLK_PERIMID_SEL_100M)
> + rate = 100 * MHz;
> + else
> + rate = OSC_HZ;
> + break;
> + case HCLK_PERIMID:
> + con = readl(&cru->clksel_con[10]);
> + sel = (con & HCLK_PERIMID_SEL_MASK) >> HCLK_PERIMID_SEL_SHIFT;
> + if (sel == HCLK_PERIMID_SEL_150M)
> + rate = 150 * MHz;
> + else if (sel == HCLK_PERIMID_SEL_100M)
> + rate = 100 * MHz;
> + else if (sel == HCLK_PERIMID_SEL_75M)
> + rate = 75 * MHz;
> + else
> + rate = OSC_HZ;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rate;
> +}
> +
> +static ulong rk3568_perimid_set_clk(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + switch (clk_id) {
> + case ACLK_PERIMID:
> + if (rate == 300 * MHz)
> + src_clk = ACLK_PERIMID_SEL_300M;
> + else if (rate == 200 * MHz)
> + src_clk = ACLK_PERIMID_SEL_200M;
> + else if (rate == 100 * MHz)
> + src_clk = ACLK_PERIMID_SEL_100M;
> + else
> + src_clk = ACLK_PERIMID_SEL_24M;
> + rk_clrsetreg(&cru->clksel_con[10],
> + ACLK_PERIMID_SEL_MASK,
> + src_clk << ACLK_PERIMID_SEL_SHIFT);
> + break;
> + case HCLK_PERIMID:
> + if (rate == 150 * MHz)
> + src_clk = HCLK_PERIMID_SEL_150M;
> + else if (rate == 100 * MHz)
> + src_clk = HCLK_PERIMID_SEL_100M;
> + else if (rate == 75 * MHz)
> + src_clk = HCLK_PERIMID_SEL_75M;
> + else
> + src_clk = HCLK_PERIMID_SEL_24M;
> + rk_clrsetreg(&cru->clksel_con[10],
> + HCLK_PERIMID_SEL_MASK,
> + src_clk << HCLK_PERIMID_SEL_SHIFT);
> + break;
> +
> + default:
> + printf("do not support this permid freq\n");
> + return -EINVAL;
> + }
> +
> + return rk3568_perimid_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3568_top_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 con, sel, rate;
> +
> + switch (clk_id) {
> + case ACLK_TOP_HIGH:
> + con = readl(&cru->clksel_con[73]);
> + sel = (con & ACLK_TOP_HIGH_SEL_MASK) >> ACLK_TOP_HIGH_SEL_SHIFT;
> + if (sel == ACLK_TOP_HIGH_SEL_500M)
> + rate = 500 * MHz;
> + else if (sel == ACLK_TOP_HIGH_SEL_400M)
> + rate = 400 * MHz;
> + else if (sel == ACLK_TOP_HIGH_SEL_300M)
> + rate = 300 * MHz;
> + else
> + rate = OSC_HZ;
> + break;
> + case ACLK_TOP_LOW:
> + con = readl(&cru->clksel_con[73]);
> + sel = (con & ACLK_TOP_LOW_SEL_MASK) >> ACLK_TOP_LOW_SEL_SHIFT;
> + if (sel == ACLK_TOP_LOW_SEL_400M)
> + rate = 400 * MHz;
> + else if (sel == ACLK_TOP_LOW_SEL_300M)
> + rate = 300 * MHz;
> + else if (sel == ACLK_TOP_LOW_SEL_200M)
> + rate = 200 * MHz;
> + else
> + rate = OSC_HZ;
> + break;
> + case HCLK_TOP:
> + con = readl(&cru->clksel_con[73]);
> + sel = (con & HCLK_TOP_SEL_MASK) >> HCLK_TOP_SEL_SHIFT;
> + if (sel == HCLK_TOP_SEL_150M)
> + rate = 150 * MHz;
> + else if (sel == HCLK_TOP_SEL_100M)
> + rate = 100 * MHz;
> + else if (sel == HCLK_TOP_SEL_75M)
> + rate = 75 * MHz;
> + else
> + rate = OSC_HZ;
> + break;
> + case PCLK_TOP:
> + con = readl(&cru->clksel_con[73]);
> + sel = (con & PCLK_TOP_SEL_MASK) >> PCLK_TOP_SEL_SHIFT;
> + if (sel == PCLK_TOP_SEL_100M)
> + rate = 100 * MHz;
> + else if (sel == PCLK_TOP_SEL_75M)
> + rate = 75 * MHz;
> + else if (sel == PCLK_TOP_SEL_50M)
> + rate = 50 * MHz;
> + else
> + rate = OSC_HZ;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rate;
> +}
> +
> +static ulong rk3568_top_set_clk(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + switch (clk_id) {
> + case ACLK_TOP_HIGH:
> + if (rate == 500 * MHz)
> + src_clk = ACLK_TOP_HIGH_SEL_500M;
> + else if (rate == 400 * MHz)
> + src_clk = ACLK_TOP_HIGH_SEL_400M;
> + else if (rate == 300 * MHz)
> + src_clk = ACLK_TOP_HIGH_SEL_300M;
> + else
> + src_clk = ACLK_TOP_HIGH_SEL_24M;
> + rk_clrsetreg(&cru->clksel_con[73],
> + ACLK_TOP_HIGH_SEL_MASK,
> + src_clk << ACLK_TOP_HIGH_SEL_SHIFT);
> + break;
> + case ACLK_TOP_LOW:
> + if (rate == 400 * MHz)
> + src_clk = ACLK_TOP_LOW_SEL_400M;
> + else if (rate == 300 * MHz)
> + src_clk = ACLK_TOP_LOW_SEL_300M;
> + else if (rate == 200 * MHz)
> + src_clk = ACLK_TOP_LOW_SEL_200M;
> + else
> + src_clk = ACLK_TOP_LOW_SEL_24M;
> + rk_clrsetreg(&cru->clksel_con[73],
> + ACLK_TOP_LOW_SEL_MASK,
> + src_clk << ACLK_TOP_LOW_SEL_SHIFT);
> + break;
> + case HCLK_TOP:
> + if (rate == 150 * MHz)
> + src_clk = HCLK_TOP_SEL_150M;
> + else if (rate == 100 * MHz)
> + src_clk = HCLK_TOP_SEL_100M;
> + else if (rate == 75 * MHz)
> + src_clk = HCLK_TOP_SEL_75M;
> + else
> + src_clk = HCLK_TOP_SEL_24M;
> + rk_clrsetreg(&cru->clksel_con[73],
> + HCLK_TOP_SEL_MASK,
> + src_clk << HCLK_TOP_SEL_SHIFT);
> + break;
> + case PCLK_TOP:
> + if (rate == 100 * MHz)
> + src_clk = PCLK_TOP_SEL_100M;
> + else if (rate == 75 * MHz)
> + src_clk = PCLK_TOP_SEL_75M;
> + else if (rate == 50 * MHz)
> + src_clk = PCLK_TOP_SEL_50M;
> + else
> + src_clk = PCLK_TOP_SEL_24M;
> + rk_clrsetreg(&cru->clksel_con[73],
> + PCLK_TOP_SEL_MASK,
> + src_clk << PCLK_TOP_SEL_SHIFT);
> + break;
> +
> + default:
> + printf("do not support this permid freq\n");
> + return -EINVAL;
> + }
> +
> + return rk3568_top_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3568_i2c_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> + ulong rate;
> +
> + switch (clk_id) {
> + case CLK_I2C1:
> + case CLK_I2C2:
> + case CLK_I2C3:
> + case CLK_I2C4:
> + case CLK_I2C5:
> + con = readl(&cru->clksel_con[71]);
> + sel = (con & CLK_I2C_SEL_MASK) >> CLK_I2C_SEL_SHIFT;
> + if (sel == CLK_I2C_SEL_200M)
> + rate = 200 * MHz;
> + else if (sel == CLK_I2C_SEL_100M)
> + rate = 100 * MHz;
> + else if (sel == CLK_I2C_SEL_CPLL_100M)
> + rate = 100 * MHz;
> + else
> + rate = OSC_HZ;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rate;
> +}
> +
> +static ulong rk3568_i2c_set_clk(struct rk3568_clk_priv *priv, ulong clk_id,
> + ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + if (rate == 200 * MHz)
> + src_clk = CLK_I2C_SEL_200M;
> + else if (rate == 100 * MHz)
> + src_clk = CLK_I2C_SEL_100M;
> + else
> + src_clk = CLK_I2C_SEL_24M;
> +
> + switch (clk_id) {
> + case CLK_I2C1:
> + case CLK_I2C2:
> + case CLK_I2C3:
> + case CLK_I2C4:
> + case CLK_I2C5:
> + rk_clrsetreg(&cru->clksel_con[71], CLK_I2C_SEL_MASK,
> + src_clk << CLK_I2C_SEL_SHIFT);
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rk3568_i2c_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3568_spi_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> +
> + con = readl(&cru->clksel_con[72]);
> +
> + switch (clk_id) {
> + case CLK_SPI0:
> + sel = (con & CLK_SPI0_SEL_MASK) >> CLK_SPI0_SEL_SHIFT;
> + break;
> + case CLK_SPI1:
> + sel = (con & CLK_SPI1_SEL_MASK) >> CLK_SPI1_SEL_SHIFT;
> + break;
> + case CLK_SPI2:
> + sel = (con & CLK_SPI2_SEL_MASK) >> CLK_SPI2_SEL_SHIFT;
> + break;
> + case CLK_SPI3:
> + sel = (con & CLK_SPI3_SEL_MASK) >> CLK_SPI3_SEL_SHIFT;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + switch (sel) {
> + case CLK_SPI_SEL_200M:
> + return 200 * MHz;
> + case CLK_SPI_SEL_24M:
> + return OSC_HZ;
> + case CLK_SPI_SEL_CPLL_100M:
> + return 100 * MHz;
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_spi_set_clk(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + if (rate == 200 * MHz)
> + src_clk = CLK_SPI_SEL_200M;
> + else if (rate == 100 * MHz)
> + src_clk = CLK_SPI_SEL_CPLL_100M;
> + else
> + src_clk = CLK_SPI_SEL_24M;
> +
> + switch (clk_id) {
> + case CLK_SPI0:
> + rk_clrsetreg(&cru->clksel_con[72],
> + CLK_SPI0_SEL_MASK,
> + src_clk << CLK_SPI0_SEL_SHIFT);
> + break;
> + case CLK_SPI1:
> + rk_clrsetreg(&cru->clksel_con[72],
> + CLK_SPI1_SEL_MASK,
> + src_clk << CLK_SPI1_SEL_SHIFT);
> + break;
> + case CLK_SPI2:
> + rk_clrsetreg(&cru->clksel_con[72],
> + CLK_SPI2_SEL_MASK,
> + src_clk << CLK_SPI2_SEL_SHIFT);
> + break;
> + case CLK_SPI3:
> + rk_clrsetreg(&cru->clksel_con[72],
> + CLK_SPI3_SEL_MASK,
> + src_clk << CLK_SPI3_SEL_SHIFT);
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rk3568_spi_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3568_pwm_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> +
> + con = readl(&cru->clksel_con[72]);
> +
> + switch (clk_id) {
> + case CLK_PWM1:
> + sel = (con & CLK_PWM1_SEL_MASK) >> CLK_PWM3_SEL_SHIFT;
> + break;
> + case CLK_PWM2:
> + sel = (con & CLK_PWM2_SEL_MASK) >> CLK_PWM2_SEL_SHIFT;
> + break;
> + case CLK_PWM3:
> + sel = (con & CLK_PWM3_SEL_MASK) >> CLK_PWM3_SEL_SHIFT;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + switch (sel) {
> + case CLK_PWM_SEL_100M:
> + return 100 * MHz;
> + case CLK_PWM_SEL_24M:
> + return OSC_HZ;
> + case CLK_PWM_SEL_CPLL_100M:
> + return 100 * MHz;
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_pwm_set_clk(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + if (rate == 100 * MHz)
> + src_clk = CLK_PWM_SEL_100M;
> + else
> + src_clk = CLK_PWM_SEL_24M;
> +
> + switch (clk_id) {
> + case CLK_PWM1:
> + rk_clrsetreg(&cru->clksel_con[72],
> + CLK_PWM1_SEL_MASK,
> + src_clk << CLK_PWM1_SEL_SHIFT);
> + break;
> + case CLK_PWM2:
> + rk_clrsetreg(&cru->clksel_con[72],
> + CLK_PWM2_SEL_MASK,
> + src_clk << CLK_PWM2_SEL_SHIFT);
> + break;
> + case CLK_PWM3:
> + rk_clrsetreg(&cru->clksel_con[72],
> + CLK_PWM3_SEL_MASK,
> + src_clk << CLK_PWM3_SEL_SHIFT);
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rk3568_pwm_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3568_adc_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 div, sel, con, prate;
> +
> + switch (clk_id) {
> + case CLK_SARADC:
> + return OSC_HZ;
> + case CLK_TSADC_TSEN:
> + con = readl(&cru->clksel_con[51]);
> + div = (con & CLK_TSADC_TSEN_DIV_MASK) >>
> + CLK_TSADC_TSEN_DIV_SHIFT;
> + sel = (con & CLK_TSADC_TSEN_SEL_MASK) >>
> + CLK_TSADC_TSEN_SEL_SHIFT;
> + if (sel == CLK_TSADC_TSEN_SEL_24M)
> + prate = OSC_HZ;
> + else
> + prate = 100 * MHz;
> + return DIV_TO_RATE(prate, div);
> + case CLK_TSADC:
> + con = readl(&cru->clksel_con[51]);
> + div = (con & CLK_TSADC_DIV_MASK) >> CLK_TSADC_DIV_SHIFT;
> + prate = rk3568_adc_get_clk(priv, CLK_TSADC_TSEN);
> + return DIV_TO_RATE(prate, div);
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_adc_set_clk(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk_div;
> + ulong prate = 0;
> +
> + switch (clk_id) {
> + case CLK_SARADC:
> + return OSC_HZ;
> + case CLK_TSADC_TSEN:
> + if (!(OSC_HZ % rate)) {
> + src_clk_div = DIV_ROUND_UP(OSC_HZ, rate);
> + assert(src_clk_div - 1 <= 7);
> + rk_clrsetreg(&cru->clksel_con[51],
> + CLK_TSADC_TSEN_SEL_MASK |
> + CLK_TSADC_TSEN_DIV_MASK,
> + (CLK_TSADC_TSEN_SEL_24M <<
> + CLK_TSADC_TSEN_SEL_SHIFT) |
> + (src_clk_div - 1) <<
> + CLK_TSADC_TSEN_DIV_SHIFT);
> + } else {
> + src_clk_div = DIV_ROUND_UP(100 * MHz, rate);
> + assert(src_clk_div - 1 <= 7);
> + rk_clrsetreg(&cru->clksel_con[51],
> + CLK_TSADC_TSEN_SEL_MASK |
> + CLK_TSADC_TSEN_DIV_MASK,
> + (CLK_TSADC_TSEN_SEL_100M <<
> + CLK_TSADC_TSEN_SEL_SHIFT) |
> + (src_clk_div - 1) <<
> + CLK_TSADC_TSEN_DIV_SHIFT);
> + }
> + break;
> + case CLK_TSADC:
> + prate = rk3568_adc_get_clk(priv, CLK_TSADC_TSEN);
> + src_clk_div = DIV_ROUND_UP(prate, rate);
> + assert(src_clk_div - 1 <= 128);
> + rk_clrsetreg(&cru->clksel_con[51],
> + CLK_TSADC_DIV_MASK,
> + (src_clk_div - 1) << CLK_TSADC_DIV_SHIFT);
> + break;
> + default:
> + return -ENOENT;
> + }
> + return rk3568_adc_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3568_crypto_get_rate(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> +
> + switch (clk_id) {
> + case ACLK_SECURE_FLASH:
> + case ACLK_CRYPTO_NS:
> + con = readl(&cru->clksel_con[27]);
> + sel = (con & ACLK_SECURE_FLASH_SEL_MASK) >>
> + ACLK_SECURE_FLASH_SEL_SHIFT;
> + if (sel == ACLK_SECURE_FLASH_SEL_200M)
> + return 200 * MHz;
> + else if (sel == ACLK_SECURE_FLASH_SEL_150M)
> + return 150 * MHz;
> + else if (sel == ACLK_SECURE_FLASH_SEL_100M)
> + return 100 * MHz;
> + else
> + return 24 * MHz;
> + case HCLK_SECURE_FLASH:
> + case HCLK_CRYPTO_NS:
> + case CLK_CRYPTO_NS_RNG:
> + con = readl(&cru->clksel_con[27]);
> + sel = (con & HCLK_SECURE_FLASH_SEL_MASK) >>
> + HCLK_SECURE_FLASH_SEL_SHIFT;
> + if (sel == HCLK_SECURE_FLASH_SEL_150M)
> + return 150 * MHz;
> + else if (sel == HCLK_SECURE_FLASH_SEL_100M)
> + return 100 * MHz;
> + else if (sel == HCLK_SECURE_FLASH_SEL_75M)
> + return 75 * MHz;
> + else
> + return 24 * MHz;
> + case CLK_CRYPTO_NS_CORE:
> + con = readl(&cru->clksel_con[27]);
> + sel = (con & CLK_CRYPTO_CORE_SEL_MASK) >>
> + CLK_CRYPTO_CORE_SEL_SHIFT;
> + if (sel == CLK_CRYPTO_CORE_SEL_200M)
> + return 200 * MHz;
> + else if (sel == CLK_CRYPTO_CORE_SEL_150M)
> + return 150 * MHz;
> + else
> + return 100 * MHz;
> + case CLK_CRYPTO_NS_PKA:
> + con = readl(&cru->clksel_con[27]);
> + sel = (con & CLK_CRYPTO_PKA_SEL_MASK) >>
> + CLK_CRYPTO_PKA_SEL_SHIFT;
> + if (sel == CLK_CRYPTO_PKA_SEL_300M)
> + return 300 * MHz;
> + else if (sel == CLK_CRYPTO_PKA_SEL_200M)
> + return 200 * MHz;
> + else
> + return 100 * MHz;
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_crypto_set_rate(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 src_clk, mask, shift;
> +
> + switch (clk_id) {
> + case ACLK_SECURE_FLASH:
> + case ACLK_CRYPTO_NS:
> + mask = ACLK_SECURE_FLASH_SEL_MASK;
> + shift = ACLK_SECURE_FLASH_SEL_SHIFT;
> + if (rate == 200 * MHz)
> + src_clk = ACLK_SECURE_FLASH_SEL_200M;
> + else if (rate == 150 * MHz)
> + src_clk = ACLK_SECURE_FLASH_SEL_150M;
> + else if (rate == 100 * MHz)
> + src_clk = ACLK_SECURE_FLASH_SEL_100M;
> + else
> + src_clk = ACLK_SECURE_FLASH_SEL_24M;
> + break;
> + case HCLK_SECURE_FLASH:
> + case HCLK_CRYPTO_NS:
> + case CLK_CRYPTO_NS_RNG:
> + mask = HCLK_SECURE_FLASH_SEL_MASK;
> + shift = HCLK_SECURE_FLASH_SEL_SHIFT;
> + if (rate == 150 * MHz)
> + src_clk = HCLK_SECURE_FLASH_SEL_150M;
> + else if (rate == 100 * MHz)
> + src_clk = HCLK_SECURE_FLASH_SEL_100M;
> + else if (rate == 75 * MHz)
> + src_clk = HCLK_SECURE_FLASH_SEL_75M;
> + else
> + src_clk = HCLK_SECURE_FLASH_SEL_24M;
> + break;
> + case CLK_CRYPTO_NS_CORE:
> + mask = CLK_CRYPTO_CORE_SEL_MASK;
> + shift = CLK_CRYPTO_CORE_SEL_SHIFT;
> + if (rate == 200 * MHz)
> + src_clk = CLK_CRYPTO_CORE_SEL_200M;
> + else if (rate == 150 * MHz)
> + src_clk = CLK_CRYPTO_CORE_SEL_150M;
> + else
> + src_clk = CLK_CRYPTO_CORE_SEL_100M;
> + break;
> + case CLK_CRYPTO_NS_PKA:
> + mask = CLK_CRYPTO_PKA_SEL_MASK;
> + shift = CLK_CRYPTO_PKA_SEL_SHIFT;
> + if (rate == 300 * MHz)
> + src_clk = CLK_CRYPTO_PKA_SEL_300M;
> + else if (rate == 200 * MHz)
> + src_clk = CLK_CRYPTO_PKA_SEL_200M;
> + else
> + src_clk = CLK_CRYPTO_PKA_SEL_100M;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + rk_clrsetreg(&cru->clksel_con[27], mask, src_clk << shift);
> +
> + return rk3568_crypto_get_rate(priv, clk_id);
> +}
> +
> +static ulong rk3568_sdmmc_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> +
> + switch (clk_id) {
> + case HCLK_SDMMC0:
> + case CLK_SDMMC0:
> + con = readl(&cru->clksel_con[30]);
> + sel = (con & CLK_SDMMC0_SEL_MASK) >> CLK_SDMMC0_SEL_SHIFT;
> + break;
> + case CLK_SDMMC1:
> + con = readl(&cru->clksel_con[30]);
> + sel = (con & CLK_SDMMC1_SEL_MASK) >> CLK_SDMMC1_SEL_SHIFT;
> + break;
> + case CLK_SDMMC2:
> + con = readl(&cru->clksel_con[32]);
> + sel = (con & CLK_SDMMC2_SEL_MASK) >> CLK_SDMMC2_SEL_SHIFT;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + switch (sel) {
> + case CLK_SDMMC_SEL_24M:
> + return OSC_HZ;
> + case CLK_SDMMC_SEL_400M:
> + return 400 * MHz;
> + case CLK_SDMMC_SEL_300M:
> + return 300 * MHz;
> + case CLK_SDMMC_SEL_100M:
> + return 100 * MHz;
> + case CLK_SDMMC_SEL_50M:
> + return 50 * MHz;
> + case CLK_SDMMC_SEL_750K:
> + return 750 * KHz;
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_sdmmc_set_clk(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + switch (rate) {
> + case OSC_HZ:
> + src_clk = CLK_SDMMC_SEL_24M;
> + break;
> + case 400 * MHz:
> + src_clk = CLK_SDMMC_SEL_400M;
> + break;
> + case 300 * MHz:
> + src_clk = CLK_SDMMC_SEL_300M;
> + break;
> + case 100 * MHz:
> + src_clk = CLK_SDMMC_SEL_100M;
> + break;
> + case 52 * MHz:
> + case 50 * MHz:
> + src_clk = CLK_SDMMC_SEL_50M;
> + break;
> + case 750 * KHz:
> + case 400 * KHz:
> + src_clk = CLK_SDMMC_SEL_750K;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + switch (clk_id) {
> + case HCLK_SDMMC0:
> + case CLK_SDMMC0:
> + rk_clrsetreg(&cru->clksel_con[30],
> + CLK_SDMMC0_SEL_MASK,
> + src_clk << CLK_SDMMC0_SEL_SHIFT);
> + break;
> + case CLK_SDMMC1:
> + rk_clrsetreg(&cru->clksel_con[30],
> + CLK_SDMMC1_SEL_MASK,
> + src_clk << CLK_SDMMC1_SEL_SHIFT);
> + break;
> + case CLK_SDMMC2:
> + rk_clrsetreg(&cru->clksel_con[32],
> + CLK_SDMMC2_SEL_MASK,
> + src_clk << CLK_SDMMC2_SEL_SHIFT);
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rk3568_sdmmc_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3568_sfc_get_clk(struct rk3568_clk_priv *priv)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> +
> + con = readl(&cru->clksel_con[28]);
> + sel = (con & SCLK_SFC_SEL_MASK) >> SCLK_SFC_SEL_SHIFT;
> + switch (sel) {
> + case SCLK_SFC_SEL_24M:
> + return OSC_HZ;
> + case SCLK_SFC_SEL_50M:
> + return 50 * MHz;
> + case SCLK_SFC_SEL_75M:
> + return 75 * MHz;
> + case SCLK_SFC_SEL_100M:
> + return 100 * MHz;
> + case SCLK_SFC_SEL_125M:
> + return 125 * MHz;
> + case SCLK_SFC_SEL_150M:
> + return 150 * KHz;
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_sfc_set_clk(struct rk3568_clk_priv *priv, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + switch (rate) {
> + case OSC_HZ:
> + src_clk = SCLK_SFC_SEL_24M;
> + break;
> + case 50 * MHz:
> + src_clk = SCLK_SFC_SEL_50M;
> + break;
> + case 75 * MHz:
> + src_clk = SCLK_SFC_SEL_75M;
> + break;
> + case 100 * MHz:
> + src_clk = SCLK_SFC_SEL_100M;
> + break;
> + case 125 * MHz:
> + src_clk = SCLK_SFC_SEL_125M;
> + break;
> + case 150 * KHz:
> + src_clk = SCLK_SFC_SEL_150M;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + rk_clrsetreg(&cru->clksel_con[28],
> + SCLK_SFC_SEL_MASK,
> + src_clk << SCLK_SFC_SEL_SHIFT);
> +
> + return rk3568_sfc_get_clk(priv);
> +}
> +
> +static ulong rk3568_nand_get_clk(struct rk3568_clk_priv *priv)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> +
> + con = readl(&cru->clksel_con[28]);
> + sel = (con & NCLK_NANDC_SEL_MASK) >> NCLK_NANDC_SEL_SHIFT;
> + switch (sel) {
> + case NCLK_NANDC_SEL_200M:
> + return 200 * MHz;
> + case NCLK_NANDC_SEL_150M:
> + return 150 * MHz;
> + case NCLK_NANDC_SEL_100M:
> + return 100 * MHz;
> + case NCLK_NANDC_SEL_24M:
> + return OSC_HZ;
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_nand_set_clk(struct rk3568_clk_priv *priv, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + switch (rate) {
> + case OSC_HZ:
> + src_clk = NCLK_NANDC_SEL_24M;
> + break;
> + case 100 * MHz:
> + src_clk = NCLK_NANDC_SEL_100M;
> + break;
> + case 150 * MHz:
> + src_clk = NCLK_NANDC_SEL_150M;
> + break;
> + case 200 * MHz:
> + src_clk = NCLK_NANDC_SEL_200M;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + rk_clrsetreg(&cru->clksel_con[28],
> + NCLK_NANDC_SEL_MASK,
> + src_clk << NCLK_NANDC_SEL_SHIFT);
> +
> + return rk3568_nand_get_clk(priv);
> +}
> +
> +static ulong rk3568_emmc_get_clk(struct rk3568_clk_priv *priv)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> +
> + con = readl(&cru->clksel_con[28]);
> + sel = (con & CCLK_EMMC_SEL_MASK) >> CCLK_EMMC_SEL_SHIFT;
> + switch (sel) {
> + case CCLK_EMMC_SEL_200M:
> + return 200 * MHz;
> + case CCLK_EMMC_SEL_150M:
> + return 150 * MHz;
> + case CCLK_EMMC_SEL_100M:
> + return 100 * MHz;
> + case CCLK_EMMC_SEL_50M:
> + return 50 * MHz;
> + case CCLK_EMMC_SEL_375K:
> + return 375 * KHz;
> + case CCLK_EMMC_SEL_24M:
> + return OSC_HZ;
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_emmc_set_clk(struct rk3568_clk_priv *priv, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + switch (rate) {
> + case OSC_HZ:
> + src_clk = CCLK_EMMC_SEL_24M;
> + break;
> + case 52 * MHz:
> + case 50 * MHz:
> + src_clk = CCLK_EMMC_SEL_50M;
> + break;
> + case 100 * MHz:
> + src_clk = CCLK_EMMC_SEL_100M;
> + break;
> + case 150 * MHz:
> + src_clk = CCLK_EMMC_SEL_150M;
> + break;
> + case 200 * MHz:
> + src_clk = CCLK_EMMC_SEL_200M;
> + break;
> + case 400 * KHz:
> + case 375 * KHz:
> + src_clk = CCLK_EMMC_SEL_375K;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + rk_clrsetreg(&cru->clksel_con[28],
> + CCLK_EMMC_SEL_MASK,
> + src_clk << CCLK_EMMC_SEL_SHIFT);
> +
> + return rk3568_emmc_get_clk(priv);
> +}
> +
> +static ulong rk3568_emmc_get_bclk(struct rk3568_clk_priv *priv)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> +
> + con = readl(&cru->clksel_con[28]);
> + sel = (con & BCLK_EMMC_SEL_MASK) >> BCLK_EMMC_SEL_SHIFT;
> + switch (sel) {
> + case BCLK_EMMC_SEL_200M:
> + return 200 * MHz;
> + case BCLK_EMMC_SEL_150M:
> + return 150 * MHz;
> + case BCLK_EMMC_SEL_125M:
> + return 125 * MHz;
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_emmc_set_bclk(struct rk3568_clk_priv *priv, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + switch (rate) {
> + case 200 * MHz:
> + src_clk = BCLK_EMMC_SEL_200M;
> + break;
> + case 150 * MHz:
> + src_clk = BCLK_EMMC_SEL_150M;
> + break;
> + case 125 * MHz:
> + src_clk = BCLK_EMMC_SEL_125M;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + rk_clrsetreg(&cru->clksel_con[28],
> + BCLK_EMMC_SEL_MASK,
> + src_clk << BCLK_EMMC_SEL_SHIFT);
> +
> + return rk3568_emmc_get_bclk(priv);
> +}
> +
> +#ifndef CONFIG_SPL_BUILD
> +static ulong rk3568_aclk_vop_get_clk(struct rk3568_clk_priv *priv)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 div, sel, con, parent;
> +
> + con = readl(&cru->clksel_con[38]);
> + div = (con & ACLK_VOP_PRE_DIV_MASK) >> ACLK_VOP_PRE_DIV_SHIFT;
> + sel = (con & ACLK_VOP_PRE_SEL_MASK) >> ACLK_VOP_PRE_SEL_SHIFT;
> + if (sel == ACLK_VOP_PRE_SEL_GPLL)
> + parent = priv->gpll_hz;
> + else if (sel == ACLK_VOP_PRE_SEL_CPLL)
> + parent = priv->cpll_hz;
> + else if (sel == ACLK_VOP_PRE_SEL_VPLL)
> + parent = priv->vpll_hz;
> + else
> + parent = priv->hpll_hz;
> +
> + return DIV_TO_RATE(parent, div);
> +}
> +
> +static ulong rk3568_aclk_vop_set_clk(struct rk3568_clk_priv *priv, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk_div, src_clk_mux;
> +
> + if ((priv->cpll_hz % rate) == 0) {
> + src_clk_div = DIV_ROUND_UP(priv->cpll_hz, rate);
> + src_clk_mux = ACLK_VOP_PRE_SEL_CPLL;
> + } else {
> + src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
> + src_clk_mux = ACLK_VOP_PRE_SEL_GPLL;
> + }
> + assert(src_clk_div - 1 <= 31);
> + rk_clrsetreg(&cru->clksel_con[38],
> + ACLK_VOP_PRE_SEL_MASK | ACLK_VOP_PRE_DIV_MASK,
> + src_clk_mux << ACLK_VOP_PRE_SEL_SHIFT |
> + (src_clk_div - 1) << ACLK_VOP_PRE_DIV_SHIFT);
> +
> + return rk3568_aclk_vop_get_clk(priv);
> +}
> +
> +static ulong rk3568_dclk_vop_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 conid, div, sel, con, parent;
> +
> + switch (clk_id) {
> + case DCLK_VOP0:
> + conid = 39;
> + break;
> + case DCLK_VOP1:
> + conid = 40;
> + break;
> + case DCLK_VOP2:
> + conid = 41;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + con = readl(&cru->clksel_con[conid]);
> + div = (con & DCLK0_VOP_DIV_MASK) >> DCLK0_VOP_DIV_SHIFT;
> + sel = (con & DCLK0_VOP_SEL_MASK) >> DCLK0_VOP_SEL_SHIFT;
> + if (sel == DCLK_VOP_SEL_HPLL)
> + parent = rk3568_pmu_pll_get_rate(priv, HPLL);
> + else if (sel == DCLK_VOP_SEL_VPLL)
> + parent = rockchip_pll_get_rate(&rk3568_pll_clks[VPLL],
> + priv->cru, VPLL);
> + else if (sel == DCLK_VOP_SEL_GPLL)
> + parent = priv->gpll_hz;
> + else if (sel == DCLK_VOP_SEL_CPLL)
> + parent = priv->cpll_hz;
> + else
> + return -ENOENT;
> +
> + return DIV_TO_RATE(parent, div);
> +}
> +
> +#define RK3568_VOP_PLL_LIMIT_FREQ 600000000
> +
> +static ulong rk3568_dclk_vop_set_clk(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + ulong pll_rate, now, best_rate = 0;
> + u32 i, conid, con, sel, div, best_div = 0, best_sel = 0;
> +
> + switch (clk_id) {
> + case DCLK_VOP0:
> + conid = 39;
> + break;
> + case DCLK_VOP1:
> + conid = 40;
> + break;
> + case DCLK_VOP2:
> + conid = 41;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + con = readl(&cru->clksel_con[conid]);
> + sel = (con & DCLK0_VOP_SEL_MASK) >> DCLK0_VOP_SEL_SHIFT;
> +
> + if (sel == DCLK_VOP_SEL_HPLL) {
> + div = 1;
> + rk_clrsetreg(&cru->clksel_con[conid],
> + DCLK0_VOP_DIV_MASK | DCLK0_VOP_SEL_MASK,
> + (DCLK_VOP_SEL_HPLL << DCLK0_VOP_SEL_SHIFT) |
> + ((div - 1) << DCLK0_VOP_DIV_SHIFT));
> + rk3568_pmu_pll_set_rate(priv, HPLL, div * rate);
> + } else if (sel == DCLK_VOP_SEL_VPLL) {
> + div = DIV_ROUND_UP(RK3568_VOP_PLL_LIMIT_FREQ, rate);
> + rk_clrsetreg(&cru->clksel_con[conid],
> + DCLK0_VOP_DIV_MASK | DCLK0_VOP_SEL_MASK,
> + (DCLK_VOP_SEL_VPLL << DCLK0_VOP_SEL_SHIFT) |
> + ((div - 1) << DCLK0_VOP_DIV_SHIFT));
> + rockchip_pll_set_rate(&rk3568_pll_clks[VPLL],
> + priv->cru, VPLL, div * rate);
> + } else {
> + for (i = 0; i <= DCLK_VOP_SEL_CPLL; i++) {
> + switch (i) {
> + case DCLK_VOP_SEL_GPLL:
> + pll_rate = priv->gpll_hz;
> + break;
> + case DCLK_VOP_SEL_CPLL:
> + pll_rate = priv->cpll_hz;
> + break;
> + default:
> + printf("do not support this vop pll sel\n");
> + return -EINVAL;
> + }
> +
> + div = DIV_ROUND_UP(pll_rate, rate);
> + if (div > 255)
> + continue;
> + now = pll_rate / div;
> + if (abs(rate - now) < abs(rate - best_rate)) {
> + best_rate = now;
> + best_div = div;
> + best_sel = i;
> + }
> + debug("p_rate=%lu, best_rate=%lu, div=%u, sel=%u\n",
> + pll_rate, best_rate, best_div, best_sel);
> + }
> +
> + if (best_rate) {
> + rk_clrsetreg(&cru->clksel_con[conid],
> + DCLK0_VOP_DIV_MASK | DCLK0_VOP_SEL_MASK,
> + best_sel << DCLK0_VOP_SEL_SHIFT |
> + (best_div - 1) << DCLK0_VOP_DIV_SHIFT);
> + } else {
> + printf("do not support this vop freq %lu\n", rate);
> + return -EINVAL;
> + }
> + }
> + return rk3568_dclk_vop_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3568_gmac_src_get_clk(struct rk3568_clk_priv *priv,
> + ulong mac_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> +
> + con = readl(&cru->clksel_con[31 + mac_id * 2]);
> + sel = (con & CLK_MAC0_2TOP_SEL_MASK) >> CLK_MAC0_2TOP_SEL_SHIFT;
> +
> + switch (sel) {
> + case CLK_MAC0_2TOP_SEL_125M:
> + return 125 * MHz;
> + case CLK_MAC0_2TOP_SEL_50M:
> + return 50 * MHz;
> + case CLK_MAC0_2TOP_SEL_25M:
> + return 25 * MHz;
> + case CLK_MAC0_2TOP_SEL_PPLL:
> + return rk3568_pmu_pll_get_rate(priv, HPLL);
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_gmac_src_set_clk(struct rk3568_clk_priv *priv,
> + ulong mac_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + switch (rate) {
> + case 125 * MHz:
> + src_clk = CLK_MAC0_2TOP_SEL_125M;
> + break;
> + case 50 * MHz:
> + src_clk = CLK_MAC0_2TOP_SEL_50M;
> + break;
> + case 25 * MHz:
> + src_clk = CLK_MAC0_2TOP_SEL_25M;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2],
> + CLK_MAC0_2TOP_SEL_MASK,
> + src_clk << CLK_MAC0_2TOP_SEL_SHIFT);
> +
> + return rk3568_gmac_src_get_clk(priv, mac_id);
> +}
> +
> +static ulong rk3568_gmac_out_get_clk(struct rk3568_clk_priv *priv,
> + ulong mac_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> +
> + con = readl(&cru->clksel_con[31 + mac_id * 2]);
> + sel = (con & CLK_MAC0_OUT_SEL_MASK) >> CLK_MAC0_OUT_SEL_SHIFT;
> +
> + switch (sel) {
> + case CLK_MAC0_OUT_SEL_125M:
> + return 125 * MHz;
> + case CLK_MAC0_OUT_SEL_50M:
> + return 50 * MHz;
> + case CLK_MAC0_OUT_SEL_25M:
> + return 25 * MHz;
> + case CLK_MAC0_OUT_SEL_24M:
> + return OSC_HZ;
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_gmac_out_set_clk(struct rk3568_clk_priv *priv,
> + ulong mac_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + switch (rate) {
> + case 125 * MHz:
> + src_clk = CLK_MAC0_OUT_SEL_125M;
> + break;
> + case 50 * MHz:
> + src_clk = CLK_MAC0_OUT_SEL_50M;
> + break;
> + case 25 * MHz:
> + src_clk = CLK_MAC0_OUT_SEL_25M;
> + break;
> + case 24 * MHz:
> + src_clk = CLK_MAC0_OUT_SEL_24M;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2],
> + CLK_MAC0_OUT_SEL_MASK,
> + src_clk << CLK_MAC0_OUT_SEL_SHIFT);
> +
> + return rk3568_gmac_out_get_clk(priv, mac_id);
> +}
> +
> +static ulong rk3568_gmac_ptp_ref_get_clk(struct rk3568_clk_priv *priv,
> + ulong mac_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 sel, con;
> +
> + con = readl(&cru->clksel_con[31 + mac_id * 2]);
> + sel = (con & CLK_GMAC0_PTP_REF_SEL_MASK) >> CLK_GMAC0_PTP_REF_SEL_SHIFT;
> +
> + switch (sel) {
> + case CLK_GMAC0_PTP_REF_SEL_62_5M:
> + return 62500 * KHz;
> + case CLK_GMAC0_PTP_REF_SEL_100M:
> + return 100 * MHz;
> + case CLK_GMAC0_PTP_REF_SEL_50M:
> + return 50 * MHz;
> + case CLK_GMAC0_PTP_REF_SEL_24M:
> + return OSC_HZ;
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_gmac_ptp_ref_set_clk(struct rk3568_clk_priv *priv,
> + ulong mac_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk;
> +
> + switch (rate) {
> + case 62500 * KHz:
> + src_clk = CLK_GMAC0_PTP_REF_SEL_62_5M;
> + break;
> + case 100 * MHz:
> + src_clk = CLK_GMAC0_PTP_REF_SEL_100M;
> + break;
> + case 50 * MHz:
> + src_clk = CLK_GMAC0_PTP_REF_SEL_50M;
> + break;
> + case 24 * MHz:
> + src_clk = CLK_GMAC0_PTP_REF_SEL_24M;
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2],
> + CLK_GMAC0_PTP_REF_SEL_MASK,
> + src_clk << CLK_GMAC0_PTP_REF_SEL_SHIFT);
> +
> + return rk3568_gmac_ptp_ref_get_clk(priv, mac_id);
> +}
> +
> +static ulong rk3568_gmac_tx_rx_set_clk(struct rk3568_clk_priv *priv,
> + ulong mac_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 con, sel, div_sel;
> +
> + con = readl(&cru->clksel_con[31 + mac_id * 2]);
> + sel = (con & RMII0_MODE_MASK) >> RMII0_MODE_SHIFT;
> +
> + if (sel == RMII0_MODE_SEL_RGMII) {
> + if (rate == 2500000)
> + div_sel = RGMII0_CLK_SEL_2_5M;
> + else if (rate == 25000000)
> + div_sel = RGMII0_CLK_SEL_25M;
> + else
> + div_sel = RGMII0_CLK_SEL_125M;
> + rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2],
> + RGMII0_CLK_SEL_MASK,
> + div_sel << RGMII0_CLK_SEL_SHIFT);
> + } else if (sel == RMII0_MODE_SEL_RMII) {
> + if (rate == 2500000)
> + div_sel = RMII0_CLK_SEL_2_5M;
> + else
> + div_sel = RMII0_CLK_SEL_25M;
> + rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2],
> + RMII0_CLK_SEL_MASK,
> + div_sel << RMII0_CLK_SEL_SHIFT);
> + }
> +
> + return 0;
> +}
> +
> +static ulong rk3568_ebc_get_clk(struct rk3568_clk_priv *priv)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 con, div, p_rate;
> +
> + con = readl(&cru->clksel_con[79]);
> + div = (con & CPLL_333M_DIV_MASK) >> CPLL_333M_DIV_SHIFT;
> + p_rate = DIV_TO_RATE(priv->cpll_hz, div);
> +
> + con = readl(&cru->clksel_con[43]);
> + div = (con & DCLK_EBC_SEL_MASK) >> DCLK_EBC_SEL_SHIFT;
> + switch (div) {
> + case DCLK_EBC_SEL_GPLL_400M:
> + return 400 * MHz;
> + case DCLK_EBC_SEL_CPLL_333M:
> + return p_rate;
> + case DCLK_EBC_SEL_GPLL_200M:
> + return 200 * MHz;
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_ebc_set_clk(struct rk3568_clk_priv *priv, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk_div;
> +
> + src_clk_div = DIV_ROUND_UP(priv->cpll_hz, rate);
> + assert(src_clk_div - 1 <= 31);
> + rk_clrsetreg(&cru->clksel_con[79],
> + CPLL_333M_DIV_MASK,
> + (src_clk_div - 1) << CPLL_333M_DIV_SHIFT);
> + rk_clrsetreg(&cru->clksel_con[43],
> + DCLK_EBC_SEL_MASK,
> + DCLK_EBC_SEL_CPLL_333M << DCLK_EBC_SEL_SHIFT);
> +
> + return rk3568_ebc_get_clk(priv);
> +}
> +
> +static ulong rk3568_rkvdec_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 con, div, src, p_rate;
> +
> + switch (clk_id) {
> + case ACLK_RKVDEC_PRE:
> + case ACLK_RKVDEC:
> + con = readl(&cru->clksel_con[47]);
> + src = (con & ACLK_RKVDEC_SEL_MASK) >> ACLK_RKVDEC_SEL_SHIFT;
> + div = (con & ACLK_RKVDEC_DIV_MASK) >> ACLK_RKVDEC_DIV_SHIFT;
> + if (src == ACLK_RKVDEC_SEL_CPLL)
> + p_rate = priv->cpll_hz;
> + else
> + p_rate = priv->gpll_hz;
> + return DIV_TO_RATE(p_rate, div);
> + case CLK_RKVDEC_CORE:
> + con = readl(&cru->clksel_con[49]);
> + src = (con & CLK_RKVDEC_CORE_SEL_MASK)
> + >> CLK_RKVDEC_CORE_SEL_SHIFT;
> + div = (con & CLK_RKVDEC_CORE_DIV_MASK)
> + >> CLK_RKVDEC_CORE_DIV_SHIFT;
> + if (src == CLK_RKVDEC_CORE_SEL_CPLL)
> + p_rate = priv->cpll_hz;
> + else if (src == CLK_RKVDEC_CORE_SEL_NPLL)
> + p_rate = priv->npll_hz;
> + else if (src == CLK_RKVDEC_CORE_SEL_VPLL)
> + p_rate = priv->vpll_hz;
> + else
> + p_rate = priv->gpll_hz;
> + return DIV_TO_RATE(p_rate, div);
> + default:
> + return -ENOENT;
> + }
> +}
> +
> +static ulong rk3568_rkvdec_set_clk(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + int src_clk_div, src, p_rate;
> +
> + switch (clk_id) {
> + case ACLK_RKVDEC_PRE:
> + case ACLK_RKVDEC:
> + src = (readl(&cru->clksel_con[47]) & ACLK_RKVDEC_SEL_MASK)
> + >> ACLK_RKVDEC_SEL_SHIFT;
> + if (src == ACLK_RKVDEC_SEL_CPLL)
> + p_rate = priv->cpll_hz;
> + else
> + p_rate = priv->gpll_hz;
> + src_clk_div = DIV_ROUND_UP(p_rate, rate);
> + assert(src_clk_div - 1 <= 31);
> + rk_clrsetreg(&cru->clksel_con[47],
> + ACLK_RKVDEC_SEL_MASK |
> + ACLK_RKVDEC_DIV_MASK,
> + (src << ACLK_RKVDEC_SEL_SHIFT) |
> + (src_clk_div - 1) << ACLK_RKVDEC_DIV_SHIFT);
> + break;
> + case CLK_RKVDEC_CORE:
> + src = (readl(&cru->clksel_con[49]) & CLK_RKVDEC_CORE_SEL_MASK)
> + >> CLK_RKVDEC_CORE_SEL_SHIFT;
> + if (src == CLK_RKVDEC_CORE_SEL_CPLL)
> + p_rate = priv->cpll_hz;
> + else if (src == CLK_RKVDEC_CORE_SEL_NPLL)
> + p_rate = priv->npll_hz;
> + else if (src == CLK_RKVDEC_CORE_SEL_VPLL)
> + p_rate = priv->vpll_hz;
> + else
> + p_rate = priv->gpll_hz;
> + src_clk_div = DIV_ROUND_UP(p_rate, rate);
> + assert(src_clk_div - 1 <= 31);
> + rk_clrsetreg(&cru->clksel_con[49],
> + CLK_RKVDEC_CORE_SEL_MASK |
> + CLK_RKVDEC_CORE_DIV_MASK,
> + (src << CLK_RKVDEC_CORE_SEL_SHIFT) |
> + (src_clk_div - 1) << CLK_RKVDEC_CORE_DIV_SHIFT);
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rk3568_rkvdec_get_clk(priv, clk_id);
> +}
> +
> +static ulong rk3568_uart_get_rate(struct rk3568_clk_priv *priv, ulong clk_id)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 reg, con, fracdiv, div, src, p_src, p_rate;
> + unsigned long m, n;
> +
> + switch (clk_id) {
> + case SCLK_UART1:
> + reg = 52;
> + break;
> + case SCLK_UART2:
> + reg = 54;
> + break;
> + case SCLK_UART3:
> + reg = 56;
> + break;
> + case SCLK_UART4:
> + reg = 58;
> + break;
> + case SCLK_UART5:
> + reg = 60;
> + break;
> + case SCLK_UART6:
> + reg = 62;
> + break;
> + case SCLK_UART7:
> + reg = 64;
> + break;
> + case SCLK_UART8:
> + reg = 66;
> + break;
> + case SCLK_UART9:
> + reg = 68;
> + break;
> + default:
> + return -ENOENT;
> + }
> + con = readl(&cru->clksel_con[reg]);
> + src = (con & CLK_UART_SEL_MASK) >> CLK_UART_SEL_SHIFT;
> + div = (con & CLK_UART_SRC_DIV_MASK) >> CLK_UART_SRC_DIV_SHIFT;
> + p_src = (con & CLK_UART_SRC_SEL_MASK) >> CLK_UART_SRC_SEL_SHIFT;
> + if (p_src == CLK_UART_SRC_SEL_GPLL)
> + p_rate = priv->gpll_hz;
> + else if (p_src == CLK_UART_SRC_SEL_CPLL)
> + p_rate = priv->cpll_hz;
> + else
> + p_rate = 480000000;
> + if (src == CLK_UART_SEL_SRC) {
> + return DIV_TO_RATE(p_rate, div);
> + } else if (src == CLK_UART_SEL_FRAC) {
> + fracdiv = readl(&cru->clksel_con[reg + 1]);
> + n = fracdiv & CLK_UART_FRAC_NUMERATOR_MASK;
> + n >>= CLK_UART_FRAC_NUMERATOR_SHIFT;
> + m = fracdiv & CLK_UART_FRAC_DENOMINATOR_MASK;
> + m >>= CLK_UART_FRAC_DENOMINATOR_SHIFT;
> + return DIV_TO_RATE(p_rate, div) * n / m;
> + } else {
> + return OSC_HZ;
> + }
> +}
> +
> +static ulong rk3568_uart_set_rate(struct rk3568_clk_priv *priv,
> + ulong clk_id, ulong rate)
> +{
> + struct rk3568_cru *cru = priv->cru;
> + u32 reg, clk_src, uart_src, div;
> + unsigned long m = 0, n = 0, val;
> +
> + if (priv->gpll_hz % rate == 0) {
> + clk_src = CLK_UART_SRC_SEL_GPLL;
> + uart_src = CLK_UART_SEL_SRC;
> + div = DIV_ROUND_UP(priv->gpll_hz, rate);
> + } else if (priv->cpll_hz % rate == 0) {
> + clk_src = CLK_UART_SRC_SEL_CPLL;
> + uart_src = CLK_UART_SEL_SRC;
> + div = DIV_ROUND_UP(priv->gpll_hz, rate);
> + } else if (rate == OSC_HZ) {
> + clk_src = CLK_UART_SRC_SEL_GPLL;
> + uart_src = CLK_UART_SEL_XIN24M;
> + div = 2;
> + } else {
> + clk_src = CLK_UART_SRC_SEL_GPLL;
> + uart_src = CLK_UART_SEL_FRAC;
> + div = 2;
> + rational_best_approximation(rate, priv->gpll_hz / div,
> + GENMASK(16 - 1, 0),
> + GENMASK(16 - 1, 0),
> + &m, &n);
> + }
> +
> + switch (clk_id) {
> + case SCLK_UART1:
> + reg = 52;
> + break;
> + case SCLK_UART2:
> + reg = 54;
> + break;
> + case SCLK_UART3:
> + reg = 56;
> + break;
> + case SCLK_UART4:
> + reg = 58;
> + break;
> + case SCLK_UART5:
> + reg = 60;
> + break;
> + case SCLK_UART6:
> + reg = 62;
> + break;
> + case SCLK_UART7:
> + reg = 64;
> + break;
> + case SCLK_UART8:
> + reg = 66;
> + break;
> + case SCLK_UART9:
> + reg = 68;
> + break;
> + default:
> + return -ENOENT;
> + }
> + rk_clrsetreg(&cru->clksel_con[reg],
> + CLK_UART_SEL_MASK | CLK_UART_SRC_SEL_MASK |
> + CLK_UART_SRC_DIV_MASK,
> + (clk_src << CLK_UART_SRC_SEL_SHIFT) |
> + (uart_src << CLK_UART_SEL_SHIFT) |
> + ((div - 1) << CLK_UART_SRC_DIV_SHIFT));
> + if (m && n) {
> + val = m << CLK_UART_FRAC_NUMERATOR_SHIFT | n;
> + writel(val, &cru->clksel_con[reg + 1]);
> + }
> +
> + return rk3568_uart_get_rate(priv, clk_id);
> +}
> +#endif
> +
> +static ulong rk3568_clk_get_rate(struct clk *clk)
> +{
> + struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
> + ulong rate = 0;
> +
> + if (!priv->gpll_hz) {
> + printf("%s gpll=%lu\n", __func__, priv->gpll_hz);
> + return -ENOENT;
> + }
> +
> + switch (clk->id) {
> + case PLL_APLL:
> + case ARMCLK:
> + rate = rockchip_pll_get_rate(&rk3568_pll_clks[APLL], priv->cru,
> + APLL);
> + break;
> + case PLL_CPLL:
> + rate = rockchip_pll_get_rate(&rk3568_pll_clks[CPLL], priv->cru,
> + CPLL);
> + break;
> + case PLL_GPLL:
> + rate = rockchip_pll_get_rate(&rk3568_pll_clks[GPLL], priv->cru,
> + GPLL);
> + break;
> + case PLL_NPLL:
> + rate = rockchip_pll_get_rate(&rk3568_pll_clks[NPLL], priv->cru,
> + NPLL);
> + break;
> + case PLL_VPLL:
> + rate = rockchip_pll_get_rate(&rk3568_pll_clks[VPLL], priv->cru,
> + VPLL);
> + break;
> + case PLL_DPLL:
> + rate = rockchip_pll_get_rate(&rk3568_pll_clks[DPLL], priv->cru,
> + DPLL);
> + break;
> + case ACLK_BUS:
> + case PCLK_BUS:
> + case PCLK_WDT_NS:
> + rate = rk3568_bus_get_clk(priv, clk->id);
> + break;
> + case ACLK_PERIMID:
> + case HCLK_PERIMID:
> + rate = rk3568_perimid_get_clk(priv, clk->id);
> + break;
> + case ACLK_TOP_HIGH:
> + case ACLK_TOP_LOW:
> + case HCLK_TOP:
> + case PCLK_TOP:
> + rate = rk3568_top_get_clk(priv, clk->id);
> + break;
> + case CLK_I2C1:
> + case CLK_I2C2:
> + case CLK_I2C3:
> + case CLK_I2C4:
> + case CLK_I2C5:
> + rate = rk3568_i2c_get_clk(priv, clk->id);
> + break;
> + case CLK_SPI0:
> + case CLK_SPI1:
> + case CLK_SPI2:
> + case CLK_SPI3:
> + rate = rk3568_spi_get_clk(priv, clk->id);
> + break;
> + case CLK_PWM1:
> + case CLK_PWM2:
> + case CLK_PWM3:
> + rate = rk3568_pwm_get_clk(priv, clk->id);
> + break;
> + case CLK_SARADC:
> + case CLK_TSADC_TSEN:
> + case CLK_TSADC:
> + rate = rk3568_adc_get_clk(priv, clk->id);
> + break;
> + case HCLK_SDMMC0:
> + case CLK_SDMMC0:
> + case CLK_SDMMC1:
> + case CLK_SDMMC2:
> + rate = rk3568_sdmmc_get_clk(priv, clk->id);
> + break;
> + case SCLK_SFC:
> + rate = rk3568_sfc_get_clk(priv);
> + break;
> + case NCLK_NANDC:
> + rate = rk3568_nand_get_clk(priv);
> + break;
> + case CCLK_EMMC:
> + rate = rk3568_emmc_get_clk(priv);
> + break;
> + case BCLK_EMMC:
> + rate = rk3568_emmc_get_bclk(priv);
> + break;
> +#ifndef CONFIG_SPL_BUILD
> + case ACLK_VOP:
> + rate = rk3568_aclk_vop_get_clk(priv);
> + break;
> + case DCLK_VOP0:
> + case DCLK_VOP1:
> + case DCLK_VOP2:
> + rate = rk3568_dclk_vop_get_clk(priv, clk->id);
> + break;
> + case SCLK_GMAC0:
> + case CLK_MAC0_2TOP:
> + case CLK_MAC0_REFOUT:
> + rate = rk3568_gmac_src_get_clk(priv, 0);
> + break;
> + case CLK_MAC0_OUT:
> + rate = rk3568_gmac_out_get_clk(priv, 0);
> + break;
> + case CLK_GMAC0_PTP_REF:
> + rate = rk3568_gmac_ptp_ref_get_clk(priv, 0);
> + break;
> + case SCLK_GMAC1:
> + case CLK_MAC1_2TOP:
> + case CLK_MAC1_REFOUT:
> + rate = rk3568_gmac_src_get_clk(priv, 1);
> + break;
> + case CLK_MAC1_OUT:
> + rate = rk3568_gmac_out_get_clk(priv, 1);
> + break;
> + case CLK_GMAC1_PTP_REF:
> + rate = rk3568_gmac_ptp_ref_get_clk(priv, 1);
> + break;
> + case DCLK_EBC:
> + rate = rk3568_ebc_get_clk(priv);
> + break;
> + case ACLK_RKVDEC_PRE:
> + case ACLK_RKVDEC:
> + case CLK_RKVDEC_CORE:
> + rate = rk3568_rkvdec_get_clk(priv, clk->id);
> + break;
> + case TCLK_WDT_NS:
> + rate = OSC_HZ;
> + break;
> + case SCLK_UART1:
> + case SCLK_UART2:
> + case SCLK_UART3:
> + case SCLK_UART4:
> + case SCLK_UART5:
> + case SCLK_UART6:
> + case SCLK_UART7:
> + case SCLK_UART8:
> + case SCLK_UART9:
> + rate = rk3568_uart_get_rate(priv, clk->id);
> + break;
> +#endif
> + case ACLK_SECURE_FLASH:
> + case ACLK_CRYPTO_NS:
> + case HCLK_SECURE_FLASH:
> + case HCLK_CRYPTO_NS:
> + case CLK_CRYPTO_NS_RNG:
> + case CLK_CRYPTO_NS_CORE:
> + case CLK_CRYPTO_NS_PKA:
> + rate = rk3568_crypto_get_rate(priv, clk->id);
> + break;
> + case CPLL_500M:
> + case CPLL_333M:
> + case CPLL_250M:
> + case CPLL_125M:
> + case CPLL_100M:
> + case CPLL_62P5M:
> + case CPLL_50M:
> + case CPLL_25M:
> + rate = rk3568_cpll_div_get_rate(priv, clk->id);
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return rate;
> +};
> +
> +static ulong rk3568_clk_set_rate(struct clk *clk, ulong rate)
> +{
> + struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
> + ulong ret = 0;
> +
> + if (!priv->gpll_hz) {
> + printf("%s gpll=%lu\n", __func__, priv->gpll_hz);
> + return -ENOENT;
> + }
> +
> + switch (clk->id) {
> + case PLL_APLL:
> + case ARMCLK:
> + if (priv->armclk_hz)
> + rk3568_armclk_set_clk(priv, rate);
> + priv->armclk_hz = rate;
> + break;
> + case PLL_CPLL:
> + ret = rockchip_pll_set_rate(&rk3568_pll_clks[CPLL], priv->cru,
> + CPLL, rate);
> + priv->cpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[CPLL],
> + priv->cru, CPLL);
> + break;
> + case PLL_GPLL:
> + ret = rockchip_pll_set_rate(&rk3568_pll_clks[GPLL], priv->cru,
> + GPLL, rate);
> + priv->gpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[GPLL],
> + priv->cru, GPLL);
> + break;
> + case PLL_NPLL:
> + ret = rockchip_pll_set_rate(&rk3568_pll_clks[NPLL], priv->cru,
> + NPLL, rate);
> + break;
> + case PLL_VPLL:
> + ret = rockchip_pll_set_rate(&rk3568_pll_clks[VPLL], priv->cru,
> + VPLL, rate);
> + priv->vpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[VPLL],
> + priv->cru,
> + VPLL);
> + break;
> + case ACLK_BUS:
> + case PCLK_BUS:
> + case PCLK_WDT_NS:
> + ret = rk3568_bus_set_clk(priv, clk->id, rate);
> + break;
> + case ACLK_PERIMID:
> + case HCLK_PERIMID:
> + ret = rk3568_perimid_set_clk(priv, clk->id, rate);
> + break;
> + case ACLK_TOP_HIGH:
> + case ACLK_TOP_LOW:
> + case HCLK_TOP:
> + case PCLK_TOP:
> + ret = rk3568_top_set_clk(priv, clk->id, rate);
> + break;
> + case CLK_I2C1:
> + case CLK_I2C2:
> + case CLK_I2C3:
> + case CLK_I2C4:
> + case CLK_I2C5:
> + ret = rk3568_i2c_set_clk(priv, clk->id, rate);
> + break;
> + case CLK_SPI0:
> + case CLK_SPI1:
> + case CLK_SPI2:
> + case CLK_SPI3:
> + ret = rk3568_spi_set_clk(priv, clk->id, rate);
> + break;
> + case CLK_PWM1:
> + case CLK_PWM2:
> + case CLK_PWM3:
> + ret = rk3568_pwm_set_clk(priv, clk->id, rate);
> + break;
> + case CLK_SARADC:
> + case CLK_TSADC_TSEN:
> + case CLK_TSADC:
> + ret = rk3568_adc_set_clk(priv, clk->id, rate);
> + break;
> + case HCLK_SDMMC0:
> + case CLK_SDMMC0:
> + case CLK_SDMMC1:
> + case CLK_SDMMC2:
> + ret = rk3568_sdmmc_set_clk(priv, clk->id, rate);
> + break;
> + case SCLK_SFC:
> + ret = rk3568_sfc_set_clk(priv, rate);
> + break;
> + case NCLK_NANDC:
> + ret = rk3568_nand_set_clk(priv, rate);
> + break;
> + case CCLK_EMMC:
> + ret = rk3568_emmc_set_clk(priv, rate);
> + break;
> + case BCLK_EMMC:
> + ret = rk3568_emmc_set_bclk(priv, rate);
> + break;
> +#ifndef CONFIG_SPL_BUILD
> + case ACLK_VOP:
> + ret = rk3568_aclk_vop_set_clk(priv, rate);
> + break;
> + case DCLK_VOP0:
> + case DCLK_VOP1:
> + case DCLK_VOP2:
> + ret = rk3568_dclk_vop_set_clk(priv, clk->id, rate);
> + break;
> + case SCLK_GMAC0:
> + case CLK_MAC0_2TOP:
> + case CLK_MAC0_REFOUT:
> + ret = rk3568_gmac_src_set_clk(priv, 0, rate);
> + break;
> + case CLK_MAC0_OUT:
> + ret = rk3568_gmac_out_set_clk(priv, 0, rate);
> + break;
> + case SCLK_GMAC0_RX_TX:
> + ret = rk3568_gmac_tx_rx_set_clk(priv, 0, rate);
> + break;
> + case CLK_GMAC0_PTP_REF:
> + ret = rk3568_gmac_ptp_ref_set_clk(priv, 0, rate);
> + break;
> + case SCLK_GMAC1:
> + case CLK_MAC1_2TOP:
> + case CLK_MAC1_REFOUT:
> + ret = rk3568_gmac_src_set_clk(priv, 1, rate);
> + break;
> + case CLK_MAC1_OUT:
> + ret = rk3568_gmac_out_set_clk(priv, 1, rate);
> + break;
> + case SCLK_GMAC1_RX_TX:
> + ret = rk3568_gmac_tx_rx_set_clk(priv, 1, rate);
> + break;
> + case CLK_GMAC1_PTP_REF:
> + ret = rk3568_gmac_ptp_ref_set_clk(priv, 1, rate);
> + break;
> + case DCLK_EBC:
> + ret = rk3568_ebc_set_clk(priv, rate);
> + break;
> + case ACLK_RKVDEC_PRE:
> + case ACLK_RKVDEC:
> + case CLK_RKVDEC_CORE:
> + ret = rk3568_rkvdec_set_clk(priv, clk->id, rate);
> + break;
> + case TCLK_WDT_NS:
> + ret = OSC_HZ;
> + break;
> + case SCLK_UART1:
> + case SCLK_UART2:
> + case SCLK_UART3:
> + case SCLK_UART4:
> + case SCLK_UART5:
> + case SCLK_UART6:
> + case SCLK_UART7:
> + case SCLK_UART8:
> + case SCLK_UART9:
> + ret = rk3568_uart_set_rate(priv, clk->id, rate);
> + break;
> +#endif
> + case ACLK_SECURE_FLASH:
> + case ACLK_CRYPTO_NS:
> + case HCLK_SECURE_FLASH:
> + case HCLK_CRYPTO_NS:
> + case CLK_CRYPTO_NS_RNG:
> + case CLK_CRYPTO_NS_CORE:
> + case CLK_CRYPTO_NS_PKA:
> + ret = rk3568_crypto_set_rate(priv, clk->id, rate);
> + break;
> + case CPLL_500M:
> + case CPLL_333M:
> + case CPLL_250M:
> + case CPLL_125M:
> + case CPLL_100M:
> + case CPLL_62P5M:
> + case CPLL_50M:
> + case CPLL_25M:
> + ret = rk3568_cpll_div_set_rate(priv, clk->id, rate);
> + break;
> + default:
> + return -ENOENT;
> + }
> +
> + return ret;
> +};
> +
> +#if (IS_ENABLED(OF_CONTROL)) || (!IS_ENABLED(OF_PLATDATA))
> +static int rk3568_gmac0_src_set_parent(struct clk *clk, struct clk *parent)
> +{
> + struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
> + struct rk3568_cru *cru = priv->cru;
> +
> + if (parent->id == CLK_MAC0_2TOP)
> + rk_clrsetreg(&cru->clksel_con[31],
> + RMII0_EXTCLK_SEL_MASK,
> + RMII0_EXTCLK_SEL_MAC0_TOP <<
> + RMII0_EXTCLK_SEL_SHIFT);
> + else
> + rk_clrsetreg(&cru->clksel_con[31],
> + RMII0_EXTCLK_SEL_MASK,
> + RMII0_EXTCLK_SEL_IO << RMII0_EXTCLK_SEL_SHIFT);
> + return 0;
> +}
> +
> +static int rk3568_gmac1_src_set_parent(struct clk *clk, struct clk *parent)
> +{
> + struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
> + struct rk3568_cru *cru = priv->cru;
> +
> + if (parent->id == CLK_MAC1_2TOP)
> + rk_clrsetreg(&cru->clksel_con[33],
> + RMII0_EXTCLK_SEL_MASK,
> + RMII0_EXTCLK_SEL_MAC0_TOP <<
> + RMII0_EXTCLK_SEL_SHIFT);
> + else
> + rk_clrsetreg(&cru->clksel_con[33],
> + RMII0_EXTCLK_SEL_MASK,
> + RMII0_EXTCLK_SEL_IO << RMII0_EXTCLK_SEL_SHIFT);
> + return 0;
> +}
> +
> +static int rk3568_gmac0_tx_rx_set_parent(struct clk *clk, struct clk *parent)
> +{
> + struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
> + struct rk3568_cru *cru = priv->cru;
> +
> + if (parent->id == SCLK_GMAC0_RGMII_SPEED)
> + rk_clrsetreg(&cru->clksel_con[31],
> + RMII0_MODE_MASK,
> + RMII0_MODE_SEL_RGMII << RMII0_MODE_SHIFT);
> + else if (parent->id == SCLK_GMAC0_RMII_SPEED)
> + rk_clrsetreg(&cru->clksel_con[31],
> + RMII0_MODE_MASK,
> + RMII0_MODE_SEL_RMII << RMII0_MODE_SHIFT);
> + else
> + rk_clrsetreg(&cru->clksel_con[31],
> + RMII0_MODE_MASK,
> + RMII0_MODE_SEL_GMII << RMII0_MODE_SHIFT);
> +
> + return 0;
> +}
> +
> +static int rk3568_gmac1_tx_rx_set_parent(struct clk *clk, struct clk *parent)
> +{
> + struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
> + struct rk3568_cru *cru = priv->cru;
> +
> + if (parent->id == SCLK_GMAC1_RGMII_SPEED)
> + rk_clrsetreg(&cru->clksel_con[33],
> + RMII0_MODE_MASK,
> + RMII0_MODE_SEL_RGMII << RMII0_MODE_SHIFT);
> + else if (parent->id == SCLK_GMAC1_RMII_SPEED)
> + rk_clrsetreg(&cru->clksel_con[33],
> + RMII0_MODE_MASK,
> + RMII0_MODE_SEL_RMII << RMII0_MODE_SHIFT);
> + else
> + rk_clrsetreg(&cru->clksel_con[33],
> + RMII0_MODE_MASK,
> + RMII0_MODE_SEL_GMII << RMII0_MODE_SHIFT);
> +
> + return 0;
> +}
> +
> +static int rk3568_dclk_vop_set_parent(struct clk *clk, struct clk *parent)
> +{
> + struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
> + struct rk3568_cru *cru = priv->cru;
> + u32 con_id;
> +
> + switch (clk->id) {
> + case DCLK_VOP0:
> + con_id = 39;
> + break;
> + case DCLK_VOP1:
> + con_id = 40;
> + break;
> + case DCLK_VOP2:
> + con_id = 41;
> + break;
> + default:
> + return -EINVAL;
> + }
> + if (parent->id == PLL_VPLL) {
> + rk_clrsetreg(&cru->clksel_con[con_id], DCLK0_VOP_SEL_MASK,
> + DCLK_VOP_SEL_VPLL << DCLK0_VOP_SEL_SHIFT);
> + } else {
> + rk_clrsetreg(&cru->clksel_con[con_id], DCLK0_VOP_SEL_MASK,
> + DCLK_VOP_SEL_HPLL << DCLK0_VOP_SEL_SHIFT);
> + }
> +
> + return 0;
> +}
> +
> +static int rk3568_rkvdec_set_parent(struct clk *clk, struct clk *parent)
> +{
> + struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
> + struct rk3568_cru *cru = priv->cru;
> + u32 con_id, mask, shift;
> +
> + switch (clk->id) {
> + case ACLK_RKVDEC_PRE:
> + con_id = 47;
> + mask = ACLK_RKVDEC_SEL_MASK;
> + shift = ACLK_RKVDEC_SEL_SHIFT;
> + break;
> + case CLK_RKVDEC_CORE:
> + con_id = 49;
> + mask = CLK_RKVDEC_CORE_SEL_MASK;
> + shift = CLK_RKVDEC_CORE_SEL_SHIFT;
> + break;
> + default:
> + return -EINVAL;
> + }
> + if (parent->id == PLL_CPLL) {
> + rk_clrsetreg(&cru->clksel_con[con_id], mask,
> + ACLK_RKVDEC_SEL_CPLL << shift);
> + } else {
> + rk_clrsetreg(&cru->clksel_con[con_id], mask,
> + ACLK_RKVDEC_SEL_GPLL << shift);
> + }
> +
> + return 0;
> +}
> +
> +static int rk3568_clk_set_parent(struct clk *clk, struct clk *parent)
> +{
> + switch (clk->id) {
> + case SCLK_GMAC0:
> + return rk3568_gmac0_src_set_parent(clk, parent);
> + case SCLK_GMAC1:
> + return rk3568_gmac1_src_set_parent(clk, parent);
> + case SCLK_GMAC0_RX_TX:
> + return rk3568_gmac0_tx_rx_set_parent(clk, parent);
> + case SCLK_GMAC1_RX_TX:
> + return rk3568_gmac1_tx_rx_set_parent(clk, parent);
> + case DCLK_VOP0:
> + case DCLK_VOP1:
> + case DCLK_VOP2:
> + return rk3568_dclk_vop_set_parent(clk, parent);
> + case ACLK_RKVDEC_PRE:
> + case CLK_RKVDEC_CORE:
> + return rk3568_rkvdec_set_parent(clk, parent);
> + default:
> + return -ENOENT;
> + }
> +
> + return 0;
> +}
> +#endif
> +
> +static struct clk_ops rk3568_clk_ops = {
> + .get_rate = rk3568_clk_get_rate,
> + .set_rate = rk3568_clk_set_rate,
> +#if (IS_ENABLED(OF_CONTROL)) || (!IS_ENABLED(OF_PLATDATA))
> + .set_parent = rk3568_clk_set_parent,
> +#endif
> +};
> +
> +static void rk3568_clk_init(struct rk3568_clk_priv *priv)
> +{
> + int ret;
> +
> + priv->sync_kernel = false;
> + if (!priv->armclk_enter_hz) {
> + priv->armclk_enter_hz =
> + rockchip_pll_get_rate(&rk3568_pll_clks[APLL],
> + priv->cru, APLL);
> + priv->armclk_init_hz = priv->armclk_enter_hz;
> + }
> +
> + if (priv->armclk_init_hz != APLL_HZ) {
> + ret = rk3568_armclk_set_clk(priv, APLL_HZ);
> + if (!ret)
> + priv->armclk_init_hz = APLL_HZ;
> + }
> + if (priv->cpll_hz != CPLL_HZ) {
> + ret = rockchip_pll_set_rate(&rk3568_pll_clks[CPLL], priv->cru,
> + CPLL, CPLL_HZ);
> + if (!ret)
> + priv->cpll_hz = CPLL_HZ;
> + }
> + if (priv->gpll_hz != GPLL_HZ) {
> + ret = rockchip_pll_set_rate(&rk3568_pll_clks[GPLL], priv->cru,
> + GPLL, GPLL_HZ);
> + if (!ret)
> + priv->gpll_hz = GPLL_HZ;
> + }
> +
> +#ifdef CONFIG_SPL_BUILD
> + ret = rk3568_bus_set_clk(priv, ACLK_BUS, 150000000);
> + if (ret < 0)
> + printf("Fail to set the ACLK_BUS clock.\n");
> +#endif
> +
> + priv->ppll_hz = rk3568_pmu_pll_get_rate(priv, PPLL);
> + priv->hpll_hz = rk3568_pmu_pll_get_rate(priv, HPLL);
> +}
> +
> +static int rk3568_clk_probe(struct udevice *dev)
> +{
> + struct rk3568_clk_priv *priv = dev_get_priv(dev);
> + int ret;
> +
> + priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
> + if (IS_ERR(priv->grf))
> + return PTR_ERR(priv->grf);
> +
> + rk3568_clk_init(priv);
> +
> + /* Process 'assigned-{clocks/clock-parents/clock-rates}' properties */
> + ret = clk_set_defaults(dev, 1);
> + if (ret)
> + debug("%s clk_set_defaults failed %d\n", __func__, ret);
> + else
> + priv->sync_kernel = true;
> +
> + return 0;
> +}
> +
> +static int rk3568_clk_ofdata_to_platdata(struct udevice *dev)
> +{
> + struct rk3568_clk_priv *priv = dev_get_priv(dev);
> +
> + priv->cru = dev_read_addr_ptr(dev);
> +
> + return 0;
> +}
> +
> +static int rk3568_clk_bind(struct udevice *dev)
> +{
> + int ret;
> + struct udevice *sys_child;
> + struct sysreset_reg *priv;
> +
> + /* The reset driver does not have a device node, so bind it here */
> + ret = device_bind_driver(dev, "rockchip_sysreset", "sysreset",
> + &sys_child);
> + if (ret) {
> + debug("Warning: No sysreset driver: ret=%d\n", ret);
> + } else {
> + priv = malloc(sizeof(struct sysreset_reg));
> + priv->glb_srst_fst_value = offsetof(struct rk3568_cru,
> + glb_srst_fst);
> + priv->glb_srst_snd_value = offsetof(struct rk3568_cru,
> + glb_srsr_snd);
> + }
> +
> +#if CONFIG_IS_ENABLED(RESET_ROCKCHIP)
> + ret = offsetof(struct rk3568_cru, softrst_con[0]);
> + ret = rockchip_reset_bind(dev, ret, 30);
> + if (ret)
> + debug("Warning: software reset driver bind faile\n");
> +#endif
> +
> + return 0;
> +}
> +
> +static const struct udevice_id rk3568_clk_ids[] = {
> + { .compatible = "rockchip,rk3568-cru" },
> + { }
> +};
> +
> +U_BOOT_DRIVER(rockchip_rk3568_cru) = {
> + .name = "rockchip_rk3568_cru",
> + .id = UCLASS_CLK,
> + .of_match = rk3568_clk_ids,
> + .priv_auto = sizeof(struct rk3568_clk_priv),
> + .of_to_plat = rk3568_clk_ofdata_to_platdata,
> + .ops = &rk3568_clk_ops,
> + .bind = rk3568_clk_bind,
> + .probe = rk3568_clk_probe,
> +#if CONFIG_IS_ENABLED(OF_PLATDATA)
> + .plat_auto = sizeof(struct rk3568_clk_plat),
> +#endif
> +};
More information about the U-Boot
mailing list