[U-Boot] [RESEND PATCH v2 2/5] pinctrl: add driver for rk3399
Kever Yang
kever.yang at rock-chips.com
Tue Aug 16 11:58:11 CEST 2016
This patch add pinctrl driver for rk3399.
Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---
Changes in v2:
- move and reg value MACRO in C source, and use MASK/SHIFT
arch/arm/include/asm/arch-rockchip/grf_rk3399.h | 321 +++++++++++++++++
drivers/pinctrl/Kconfig | 9 +
drivers/pinctrl/rockchip/Makefile | 1 +
drivers/pinctrl/rockchip/pinctrl_rk3399.c | 439 ++++++++++++++++++++++++
4 files changed, 770 insertions(+)
create mode 100644 arch/arm/include/asm/arch-rockchip/grf_rk3399.h
create mode 100644 drivers/pinctrl/rockchip/pinctrl_rk3399.c
diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk3399.h b/arch/arm/include/asm/arch-rockchip/grf_rk3399.h
new file mode 100644
index 0000000..d3d1467
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/grf_rk3399.h
@@ -0,0 +1,321 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __SOC_ROCKCHIP_RK3399_GRF_H__
+#define __SOC_ROCKCHIP_RK3399_GRF_H__
+
+struct rk3399_grf_regs {
+ u32 reserved[0x800];
+ u32 usb3_perf_con0;
+ u32 usb3_perf_con1;
+ u32 usb3_perf_con2;
+ u32 usb3_perf_rd_max_latency_num;
+ u32 usb3_perf_rd_latency_samp_num;
+ u32 usb3_perf_rd_latency_acc_num;
+ u32 usb3_perf_rd_axi_total_byte;
+ u32 usb3_perf_wr_axi_total_byte;
+ u32 usb3_perf_working_cnt;
+ u32 reserved1[0x103];
+ u32 usb3otg0_con0;
+ u32 usb3otg0_con1;
+ u32 reserved2[2];
+ u32 usb3otg1_con0;
+ u32 usb3otg1_con1;
+ u32 reserved3[2];
+ u32 usb3otg0_status_lat0;
+ u32 usb3otg0_status_lat1;
+ u32 usb3otg0_status_cb;
+ u32 reserved4;
+ u32 usb3otg1_status_lat0;
+ u32 usb3otg1_status_lat1;
+ u32 usb3ogt1_status_cb;
+ u32 reserved5[0x6e5];
+ u32 pcie_perf_con0;
+ u32 pcie_perf_con1;
+ u32 pcie_perf_con2;
+ u32 pcie_perf_rd_max_latency_num;
+ u32 pcie_perf_rd_latency_samp_num;
+ u32 pcie_perf_rd_laterncy_acc_num;
+ u32 pcie_perf_rd_axi_total_byte;
+ u32 pcie_perf_wr_axi_total_byte;
+ u32 pcie_perf_working_cnt;
+ u32 reserved6[0x37];
+ u32 usb20_host0_con0;
+ u32 usb20_host0_con1;
+ u32 reserved7[2];
+ u32 usb20_host1_con0;
+ u32 usb20_host1_con1;
+ u32 reserved8[2];
+ u32 hsic_con0;
+ u32 hsic_con1;
+ u32 reserved9[6];
+ u32 grf_usbhost0_status;
+ u32 grf_usbhost1_Status;
+ u32 grf_hsic_status;
+ u32 reserved10[0xc9];
+ u32 hsicphy_con0;
+ u32 reserved11[3];
+ u32 usbphy0_ctrl[26];
+ u32 reserved12[6];
+ u32 usbphy1[26];
+ u32 reserved13[0x72f];
+ u32 soc_con9;
+ u32 reserved14[0x0a];
+ u32 soc_con20;
+ u32 soc_con21;
+ u32 soc_con22;
+ u32 soc_con23;
+ u32 soc_con24;
+ u32 soc_con25;
+ u32 soc_con26;
+ u32 reserved15[0xf65];
+ u32 cpu_con[4];
+ u32 reserved16[0x1c];
+ u32 cpu_status[6];
+ u32 reserved17[0x1a];
+ u32 a53_perf_con[4];
+ u32 a53_perf_rd_mon_st;
+ u32 a53_perf_rd_mon_end;
+ u32 a53_perf_wr_mon_st;
+ u32 a53_perf_wr_mon_end;
+ u32 a53_perf_rd_max_latency_num;
+ u32 a53_perf_rd_latency_samp_num;
+ u32 a53_perf_rd_laterncy_acc_num;
+ u32 a53_perf_rd_axi_total_byte;
+ u32 a53_perf_wr_axi_total_byte;
+ u32 a53_perf_working_cnt;
+ u32 a53_perf_int_status;
+ u32 reserved18[0x31];
+ u32 a72_perf_con[4];
+ u32 a72_perf_rd_mon_st;
+ u32 a72_perf_rd_mon_end;
+ u32 a72_perf_wr_mon_st;
+ u32 a72_perf_wr_mon_end;
+ u32 a72_perf_rd_max_latency_num;
+ u32 a72_perf_rd_latency_samp_num;
+ u32 a72_perf_rd_laterncy_acc_num;
+ u32 a72_perf_rd_axi_total_byte;
+ u32 a72_perf_wr_axi_total_byte;
+ u32 a72_perf_working_cnt;
+ u32 a72_perf_int_status;
+ u32 reserved19[0x7f6];
+ u32 soc_con5;
+ u32 soc_con6;
+ u32 reserved20[0x779];
+ u32 gpio2a_iomux;
+ union {
+ u32 iomux_spi2;
+ u32 gpio2b_iomux;
+ };
+ union {
+ u32 gpio2c_iomux;
+ u32 iomux_spi5;
+ };
+ u32 gpio2d_iomux;
+ union {
+ u32 gpio3a_iomux;
+ u32 iomux_spi0;
+ };
+ u32 gpio3b_iomux;
+ u32 gpio3c_iomux;
+ union {
+ u32 iomux_i2s0;
+ u32 gpio3d_iomux;
+ };
+ union {
+ u32 iomux_i2sclk;
+ u32 gpio4a_iomux;
+ };
+ union {
+ u32 iomux_sdmmc;
+ u32 iomux_uart2a;
+ u32 gpio4b_iomux;
+ };
+ union {
+ u32 iomux_pwm_0;
+ u32 iomux_pwm_1;
+ u32 iomux_uart2b;
+ u32 iomux_uart2c;
+ u32 iomux_edp_hotplug;
+ u32 gpio4c_iomux;
+ };
+ u32 gpio4d_iomux;
+ u32 reserved21[4];
+ u32 gpio2_p[3][4];
+ u32 reserved22[4];
+ u32 gpio2_sr[3][4];
+ u32 reserved23[4];
+ u32 gpio2_smt[3][4];
+ u32 reserved24[(0xe130 - 0xe0ec)/4 - 1];
+ u32 gpio4b_e01;
+ u32 gpio4b_e2;
+ u32 reserved24a[(0xe200 - 0xe134)/4 - 1];
+ u32 soc_con0;
+ u32 soc_con1;
+ u32 soc_con2;
+ u32 soc_con3;
+ u32 soc_con4;
+ u32 soc_con5_pcie;
+ u32 reserved25;
+ u32 soc_con7;
+ u32 soc_con8;
+ u32 soc_con9_pcie;
+ u32 reserved26[0x1e];
+ u32 soc_status[6];
+ u32 reserved27[0x32];
+ u32 ddrc0_con0;
+ u32 ddrc0_con1;
+ u32 ddrc1_con0;
+ u32 ddrc1_con1;
+ u32 reserved28[0xac];
+ u32 io_vsel;
+ u32 saradc_testbit;
+ u32 tsadc_testbit_l;
+ u32 tsadc_testbit_h;
+ u32 reserved29[0x6c];
+ u32 chip_id_addr;
+ u32 reserved30[0x1f];
+ u32 fast_boot_addr;
+ u32 reserved31[0x1df];
+ u32 emmccore_con[12];
+ u32 reserved32[4];
+ u32 emmccore_status[4];
+ u32 reserved33[0x1cc];
+ u32 emmcphy_con[7];
+ u32 reserved34;
+ u32 emmcphy_status;
+};
+check_member(rk3399_grf_regs, emmcphy_status, 0xf7a0);
+
+struct rk3399_pmugrf_regs {
+ union {
+ u32 iomux_pwm_3a;
+ u32 gpio0a_iomux;
+ };
+ u32 gpio0b_iomux;
+ u32 reserved0[2];
+ union {
+ u32 spi1_rxd;
+ u32 tsadc_int;
+ u32 gpio1a_iomux;
+ };
+ union {
+ u32 spi1_csclktx;
+ u32 iomux_pwm_3b;
+ u32 iomux_i2c0_sda;
+ u32 gpio1b_iomux;
+ };
+ union {
+ u32 iomux_pwm_2;
+ u32 iomux_i2c0_scl;
+ u32 gpio1c_iomux;
+ };
+ u32 gpio1d_iomux;
+ u32 reserved1[8];
+ u32 gpio0_p[2][4];
+ u32 reserved3[8];
+ u32 gpio0a_e;
+ u32 reserved4;
+ u32 gpio0b_e;
+ u32 reserved5[5];
+ u32 gpio1a_e;
+ u32 reserved6;
+ u32 gpio1b_e;
+ u32 reserved7;
+ u32 gpio1c_e;
+ u32 reserved8;
+ u32 gpio1d_e;
+ u32 reserved9[0x11];
+ u32 gpio0l_sr;
+ u32 reserved10;
+ u32 gpio1l_sr;
+ u32 gpio1h_sr;
+ u32 reserved11[4];
+ u32 gpio0a_smt;
+ u32 gpio0b_smt;
+ u32 reserved12[2];
+ u32 gpio1a_smt;
+ u32 gpio1b_smt;
+ u32 gpio1c_smt;
+ u32 gpio1d_smt;
+ u32 reserved13[8];
+ u32 gpio0l_he;
+ u32 reserved14;
+ u32 gpio1l_he;
+ u32 gpio1h_he;
+ u32 reserved15[4];
+ u32 soc_con0;
+ u32 reserved16[9];
+ u32 soc_con10;
+ u32 soc_con11;
+ u32 reserved17[0x24];
+ u32 pmupvtm_con0;
+ u32 pmupvtm_con1;
+ u32 pmupvtm_status0;
+ u32 pmupvtm_status1;
+ u32 grf_osc_e;
+ u32 reserved18[0x2b];
+ u32 os_reg0;
+ u32 os_reg1;
+ u32 os_reg2;
+ u32 os_reg3;
+};
+check_member(rk3399_pmugrf_regs, os_reg3, 0x30c);
+
+struct rk3399_pmusgrf_regs {
+ u32 ddr_rgn_con[35];
+ u32 reserved[0x1fe5];
+ u32 soc_con8;
+ u32 soc_con9;
+ u32 soc_con10;
+ u32 soc_con11;
+ u32 soc_con12;
+ u32 soc_con13;
+ u32 soc_con14;
+ u32 soc_con15;
+ u32 reserved1[3];
+ u32 soc_con19;
+ u32 soc_con20;
+ u32 soc_con21;
+ u32 soc_con22;
+ u32 reserved2[0x29];
+ u32 perilp_con[9];
+ u32 reserved4[7];
+ u32 perilp_status;
+ u32 reserved5[0xfaf];
+ u32 soc_con0;
+ u32 soc_con1;
+ u32 reserved6[0x3e];
+ u32 pmu_con[9];
+ u32 reserved7[0x17];
+ u32 fast_boot_addr;
+ u32 reserved8[0x1f];
+ u32 efuse_prg_mask;
+ u32 efuse_read_mask;
+ u32 reserved9[0x0e];
+ u32 pmu_slv_con0;
+ u32 pmu_slv_con1;
+ u32 reserved10[0x771];
+ u32 soc_con3;
+ u32 soc_con4;
+ u32 soc_con5;
+ u32 soc_con6;
+ u32 soc_con7;
+ u32 reserved11[8];
+ u32 soc_con16;
+ u32 soc_con17;
+ u32 soc_con18;
+ u32 reserved12[0xdd];
+ u32 slv_secure_con0;
+ u32 slv_secure_con1;
+ u32 reserved13;
+ u32 slv_secure_con2;
+ u32 slv_secure_con3;
+ u32 slv_secure_con4;
+};
+check_member(rk3399_pmusgrf_regs, slv_secure_con4, 0xe3d4);
+
+#endif /* __SOC_ROCKCHIP_RK3399_GRF_H__ */
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 2972dba..e2ea675 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -141,6 +141,15 @@ config ROCKCHIP_RK3288_PINCTRL
definitions and pin control functions for each available multiplex
function.
+config ROCKCHIP_RK3399_PINCTRL
+ bool "Rockchip pin control driver"
+ depends on DM
+ help
+ Support pin multiplexing control on Rockchip rk3399 SoCs. The driver
+ is controlled by a device tree node which contains both the GPIO
+ definitions and pin control functions for each available multiplex
+ function.
+
config PINCTRL_SANDBOX
bool "Sandbox pinctrl driver"
depends on SANDBOX
diff --git a/drivers/pinctrl/rockchip/Makefile b/drivers/pinctrl/rockchip/Makefile
index 64e9587..805c833 100644
--- a/drivers/pinctrl/rockchip/Makefile
+++ b/drivers/pinctrl/rockchip/Makefile
@@ -7,3 +7,4 @@
obj-$(CONFIG_ROCKCHIP_RK3036_PINCTRL) += pinctrl_rk3036.o
obj-$(CONFIG_ROCKCHIP_RK3288_PINCTRL) += pinctrl_rk3288.o
+obj-$(CONFIG_ROCKCHIP_RK3399_PINCTRL) += pinctrl_rk3399.o
diff --git a/drivers/pinctrl/rockchip/pinctrl_rk3399.c b/drivers/pinctrl/rockchip/pinctrl_rk3399.c
new file mode 100644
index 0000000..17ea165
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl_rk3399.c
@@ -0,0 +1,439 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch/grf_rk3399.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/periph.h>
+#include <asm/arch/clock.h>
+#include <dm/pinctrl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct rk3399_pinctrl_priv {
+ struct rk3399_grf_regs *grf;
+ struct rk3399_pmugrf_regs *pmugrf;
+};
+
+enum {
+ /* GRF_GPIO2B_IOMUX */
+ GRF_GPIO2B1_SEL_SHIFT = 0,
+ GRF_GPIO2B1_SEL_MASK = 3 << GRF_GPIO2B1_SEL_SHIFT,
+ GRF_SPI2TPM_RXD = 1,
+ GRF_GPIO2B2_SEL_SHIFT = 2,
+ GRF_GPIO2B2_SEL_MASK = 3 << GRF_GPIO2B2_SEL_SHIFT,
+ GRF_SPI2TPM_TXD = 1,
+ GRF_GPIO2B3_SEL_SHIFT = 6,
+ GRF_GPIO2B3_SEL_MASK = 3 << GRF_GPIO2B3_SEL_SHIFT,
+ GRF_SPI2TPM_CLK = 1,
+ GRF_GPIO2B4_SEL_SHIFT = 8,
+ GRF_GPIO2B4_SEL_MASK = 3 << GRF_GPIO2B4_SEL_SHIFT,
+ GRF_SPI2TPM_CSN0 = 1,
+
+ /* GRF_GPIO3A_IOMUX */
+ GRF_GPIO3A4_SEL_SHIFT = 8,
+ GRF_GPIO3A4_SEL_MASK = 3 << GRF_GPIO3A4_SEL_SHIFT,
+ GRF_SPI0NORCODEC_RXD = 2,
+ GRF_GPIO3A5_SEL_SHIFT = 10,
+ GRF_GPIO3A5_SEL_MASK = 3 << GRF_GPIO3A5_SEL_SHIFT,
+ GRF_SPI0NORCODEC_TXD = 2,
+ GRF_GPIO3A6_SEL_SHIFT = 12,
+ GRF_GPIO3A6_SEL_MASK = 3 << GRF_GPIO3A6_SEL_SHIFT,
+ GRF_SPI0NORCODEC_CLK = 2,
+ GRF_GPIO3A7_SEL_SHIFT = 14,
+ GRF_GPIO3A7_SEL_MASK = 3 << GRF_GPIO3A7_SEL_SHIFT,
+ GRF_SPI0NORCODEC_CSN0 = 2,
+
+ /* GRF_GPIO3B_IOMUX */
+ GRF_GPIO3B0_SEL_SHIFT = 0,
+ GRF_GPIO3B0_SEL_MASK = 3 << GRF_GPIO3B0_SEL_SHIFT,
+ GRF_SPI0NORCODEC_CSN1 = 2,
+
+ /* GRF_GPIO4B_IOMUX */
+ GRF_GPIO4B0_SEL_SHIFT = 0,
+ GRF_GPIO4B0_SEL_MASK = 3 << GRF_GPIO4B0_SEL_SHIFT,
+ GRF_SDMMC_DATA0 = 1,
+ GRF_UART2DBGA_SIN = 2,
+ GRF_GPIO4B1_SEL_SHIFT = 2,
+ GRF_GPIO4B1_SEL_MASK = 3 << GRF_GPIO4B1_SEL_SHIFT,
+ GRF_SDMMC_DATA1 = 1,
+ GRF_UART2DBGA_SOUT = 2,
+ GRF_GPIO4B2_SEL_SHIFT = 4,
+ GRF_GPIO4B2_SEL_MASK = 3 << GRF_GPIO4B2_SEL_SHIFT,
+ GRF_SDMMC_DATA2 = 1,
+ GRF_GPIO4B3_SEL_SHIFT = 6,
+ GRF_GPIO4B3_SEL_MASK = 3 << GRF_GPIO4B3_SEL_SHIFT,
+ GRF_SDMMC_DATA3 = 1,
+ GRF_GPIO4B4_SEL_SHIFT = 8,
+ GRF_GPIO4B4_SEL_MASK = 3 << GRF_GPIO4B4_SEL_SHIFT,
+ GRF_SDMMC_CLKOUT = 1,
+ GRF_GPIO4B5_SEL_SHIFT = 10,
+ GRF_GPIO4B5_SEL_MASK = 3 << GRF_GPIO4B5_SEL_SHIFT,
+ GRF_SDMMC_CMD = 1,
+
+ /* GRF_GPIO4C_IOMUX */
+ GRF_GPIO4C2_SEL_SHIFT = 4,
+ GRF_GPIO4C2_SEL_MASK = 3 << GRF_GPIO4C2_SEL_SHIFT,
+ GRF_PWM_0 = 1,
+ GRF_GPIO4C3_SEL_SHIFT = 6,
+ GRF_GPIO4C3_SEL_MASK = 3 << GRF_GPIO4C3_SEL_SHIFT,
+ GRF_UART2DGBC_SIN = 1,
+ GRF_GPIO4C4_SEL_SHIFT = 8,
+ GRF_GPIO4C4_SEL_MASK = 3 << GRF_GPIO4C4_SEL_SHIFT,
+ GRF_UART2DBGC_SOUT = 1,
+ GRF_GPIO4C6_SEL_SHIFT = 12,
+ GRF_GPIO4C6_SEL_MASK = 3 << GRF_GPIO4C6_SEL_SHIFT,
+ GRF_PWM_1 = 1,
+
+ /* PMUGRF_GPIO0A_IOMUX */
+ PMUGRF_GPIO0A6_SEL_SHIFT = 12,
+ PMUGRF_GPIO0A6_SEL_MASK = 3 << PMUGRF_GPIO0A6_SEL_SHIFT,
+ PMUGRF_PWM_3A = 1,
+
+ /* PMUGRF_GPIO1A_IOMUX */
+ PMUGRF_GPIO1A7_SEL_SHIFT = 14,
+ PMUGRF_GPIO1A7_SEL_MASK = 3 << PMUGRF_GPIO1A7_SEL_SHIFT,
+ PMUGRF_SPI1EC_RXD = 2,
+
+ /* PMUGRF_GPIO1B_IOMUX */
+ PMUGRF_GPIO1B0_SEL_SHIFT = 0,
+ PMUGRF_GPIO1B0_SEL_MASK = 3 << PMUGRF_GPIO1B0_SEL_SHIFT,
+ PMUGRF_SPI1EC_TXD = 2,
+ PMUGRF_GPIO1B1_SEL_SHIFT = 2,
+ PMUGRF_GPIO1B1_SEL_MASK = 3 << PMUGRF_GPIO1B1_SEL_SHIFT,
+ PMUGRF_SPI1EC_CLK = 2,
+ PMUGRF_GPIO1B2_SEL_SHIFT = 4,
+ PMUGRF_GPIO1B2_SEL_MASK = 3 << PMUGRF_GPIO1B2_SEL_SHIFT,
+ PMUGRF_SPI1EC_CSN0 = 2,
+ PMUGRF_GPIO1B6_SEL_SHIFT = 12,
+ PMUGRF_GPIO1B6_SEL_MASK = 3 << PMUGRF_GPIO1B6_SEL_SHIFT,
+ PMUGRF_PWM_3B = 1,
+ PMUGRF_GPIO1B7_SEL_SHIFT = 14,
+ PMUGRF_GPIO1B7_SEL_MASK = 3 << PMUGRF_GPIO1B7_SEL_SHIFT,
+ PMUGRF_I2C0PMU_SDA = 2,
+
+ /* PMUGRF_GPIO1C_IOMUX */
+ PMUGRF_GPIO1C0_SEL_SHIFT = 0,
+ PMUGRF_GPIO1C0_SEL_MASK = 3 << PMUGRF_GPIO1C0_SEL_SHIFT,
+ PMUGRF_I2C0PMU_SCL = 2,
+ PMUGRF_GPIO1C3_SEL_SHIFT = 6,
+ PMUGRF_GPIO1C3_SEL_MASK = 3 << PMUGRF_GPIO1C3_SEL_SHIFT,
+ PMUGRF_PWM_2 = 1,
+
+};
+static void pinctrl_rk3399_pwm_config(struct rk3399_grf_regs *grf,
+ struct rk3399_pmugrf_regs *pmugrf, int pwm_id)
+{
+ switch (pwm_id) {
+ case PERIPH_ID_PWM0:
+ rk_clrsetreg(&grf->gpio4c_iomux,
+ GRF_GPIO4C2_SEL_MASK,
+ GRF_PWM_0 << GRF_GPIO4C2_SEL_SHIFT);
+ break;
+ case PERIPH_ID_PWM1:
+ rk_clrsetreg(&grf->gpio4c_iomux,
+ GRF_GPIO4C6_SEL_MASK,
+ GRF_PWM_1 << GRF_GPIO4C6_SEL_SHIFT);
+ break;
+ case PERIPH_ID_PWM2:
+ rk_clrsetreg(&pmugrf->gpio1c_iomux,
+ PMUGRF_GPIO1C3_SEL_MASK,
+ PMUGRF_PWM_2 << PMUGRF_GPIO1C3_SEL_SHIFT);
+ break;
+ case PERIPH_ID_PWM3:
+ if (readl(&pmugrf->soc_con0) & (1 << 5))
+ rk_clrsetreg(&pmugrf->gpio1b_iomux,
+ PMUGRF_GPIO1B6_SEL_MASK,
+ PMUGRF_PWM_3B << PMUGRF_GPIO1B6_SEL_SHIFT);
+ else
+ rk_clrsetreg(&pmugrf->gpio0a_iomux,
+ PMUGRF_GPIO0A6_SEL_MASK,
+ PMUGRF_PWM_3A << PMUGRF_GPIO0A6_SEL_SHIFT);
+ break;
+ default:
+ debug("pwm id = %d iomux error!\n", pwm_id);
+ break;
+ }
+}
+
+static void pinctrl_rk3399_i2c_config(struct rk3399_grf_regs *grf,
+ struct rk3399_pmugrf_regs *pmugrf,
+ int i2c_id)
+{
+ switch (i2c_id) {
+ case PERIPH_ID_I2C0:
+ rk_clrsetreg(&pmugrf->gpio1b_iomux,
+ PMUGRF_GPIO1B7_SEL_MASK,
+ PMUGRF_I2C0PMU_SDA << PMUGRF_GPIO1B7_SEL_SHIFT);
+ rk_clrsetreg(&pmugrf->gpio1c_iomux,
+ PMUGRF_GPIO1C0_SEL_MASK,
+ PMUGRF_I2C0PMU_SCL << PMUGRF_GPIO1C0_SEL_SHIFT);
+ break;
+ case PERIPH_ID_I2C1:
+ case PERIPH_ID_I2C2:
+ case PERIPH_ID_I2C3:
+ case PERIPH_ID_I2C4:
+ case PERIPH_ID_I2C5:
+ default:
+ debug("i2c id = %d iomux error!\n", i2c_id);
+ break;
+ }
+}
+
+static void pinctrl_rk3399_lcdc_config(struct rk3399_grf_regs *grf, int lcd_id)
+{
+ switch (lcd_id) {
+ case PERIPH_ID_LCDC0:
+ break;
+ default:
+ debug("lcdc id = %d iomux error!\n", lcd_id);
+ break;
+ }
+}
+
+static int pinctrl_rk3399_spi_config(struct rk3399_grf_regs *grf,
+ struct rk3399_pmugrf_regs *pmugrf,
+ enum periph_id spi_id, int cs)
+{
+ switch (spi_id) {
+ case PERIPH_ID_SPI0:
+ switch (cs) {
+ case 0:
+ rk_clrsetreg(&grf->gpio3a_iomux,
+ GRF_GPIO3A7_SEL_MASK,
+ GRF_SPI0NORCODEC_CSN0
+ << GRF_GPIO3A7_SEL_SHIFT);
+ break;
+ case 1:
+ rk_clrsetreg(&grf->gpio3b_iomux,
+ GRF_GPIO3B0_SEL_MASK,
+ GRF_SPI0NORCODEC_CSN1
+ << GRF_GPIO3B0_SEL_SHIFT);
+ break;
+ default:
+ goto err;
+ }
+ rk_clrsetreg(&grf->gpio3a_iomux,
+ GRF_GPIO3A4_SEL_MASK | GRF_GPIO3A5_SEL_SHIFT
+ | GRF_GPIO3A6_SEL_SHIFT,
+ GRF_SPI0NORCODEC_RXD << GRF_GPIO3A4_SEL_SHIFT
+ | GRF_SPI0NORCODEC_RXD << GRF_GPIO3A5_SEL_SHIFT
+ | GRF_SPI0NORCODEC_RXD << GRF_GPIO3A6_SEL_SHIFT);
+ break;
+ case PERIPH_ID_SPI1:
+ if (cs != 0)
+ goto err;
+ rk_clrsetreg(&pmugrf->gpio1a_iomux,
+ PMUGRF_GPIO1A7_SEL_MASK,
+ PMUGRF_SPI1EC_RXD << PMUGRF_GPIO1A7_SEL_SHIFT);
+ rk_clrsetreg(&pmugrf->gpio1b_iomux,
+ PMUGRF_GPIO1B0_SEL_MASK | PMUGRF_GPIO1B1_SEL_MASK
+ | PMUGRF_GPIO1B2_SEL_MASK,
+ PMUGRF_SPI1EC_TXD << PMUGRF_GPIO1B0_SEL_SHIFT
+ | PMUGRF_SPI1EC_CLK << PMUGRF_GPIO1B1_SEL_SHIFT
+ | PMUGRF_SPI1EC_CSN0 << PMUGRF_GPIO1B2_SEL_SHIFT);
+ break;
+ case PERIPH_ID_SPI2:
+ if (cs != 0)
+ goto err;
+ rk_clrsetreg(&grf->gpio2b_iomux,
+ GRF_GPIO2B1_SEL_MASK | GRF_GPIO2B2_SEL_MASK
+ | GRF_GPIO2B3_SEL_MASK | GRF_GPIO2B4_SEL_MASK,
+ GRF_SPI2TPM_RXD << GRF_GPIO2B1_SEL_SHIFT
+ | GRF_SPI2TPM_TXD << GRF_GPIO2B2_SEL_SHIFT
+ | GRF_SPI2TPM_CLK << GRF_GPIO2B3_SEL_SHIFT
+ | GRF_SPI2TPM_CSN0 << GRF_GPIO2B4_SEL_SHIFT);
+ break;
+ default:
+ goto err;
+ }
+
+ return 0;
+err:
+ debug("rkspi: periph%d cs=%d not supported", spi_id, cs);
+ return -ENOENT;
+}
+
+static void pinctrl_rk3399_uart_config(struct rk3399_grf_regs *grf,
+ struct rk3399_pmugrf_regs *pmugrf,
+ int uart_id)
+{
+ switch (uart_id) {
+ case PERIPH_ID_UART2:
+ /* Using channel-C by default */
+ rk_clrsetreg(&grf->gpio4c_iomux,
+ GRF_GPIO4C3_SEL_MASK,
+ GRF_UART2DGBC_SIN << GRF_GPIO4C3_SEL_SHIFT);
+ rk_clrsetreg(&grf->gpio4c_iomux,
+ GRF_GPIO4C4_SEL_MASK,
+ GRF_UART2DBGC_SOUT << GRF_GPIO4C4_SEL_SHIFT);
+ break;
+ case PERIPH_ID_UART0:
+ case PERIPH_ID_UART1:
+ case PERIPH_ID_UART3:
+ case PERIPH_ID_UART4:
+ default:
+ debug("uart id = %d iomux error!\n", uart_id);
+ break;
+ }
+}
+
+static void pinctrl_rk3399_sdmmc_config(struct rk3399_grf_regs *grf, int mmc_id)
+{
+ switch (mmc_id) {
+ case PERIPH_ID_EMMC:
+ break;
+ case PERIPH_ID_SDCARD:
+ rk_clrsetreg(&grf->gpio4b_iomux,
+ GRF_GPIO4B0_SEL_MASK | GRF_GPIO4B1_SEL_MASK
+ | GRF_GPIO4B2_SEL_MASK | GRF_GPIO4B3_SEL_MASK
+ | GRF_GPIO4B4_SEL_MASK | GRF_GPIO4B5_SEL_MASK,
+ GRF_SDMMC_DATA0 << GRF_GPIO4B0_SEL_SHIFT
+ | GRF_SDMMC_DATA1 << GRF_GPIO4B1_SEL_SHIFT
+ | GRF_SDMMC_DATA2 << GRF_GPIO4B2_SEL_SHIFT
+ | GRF_SDMMC_DATA3 << GRF_GPIO4B3_SEL_SHIFT
+ | GRF_SDMMC_CLKOUT << GRF_GPIO4B4_SEL_SHIFT
+ | GRF_SDMMC_CMD << GRF_GPIO4B5_SEL_SHIFT);
+ break;
+ default:
+ debug("mmc id = %d iomux error!\n", mmc_id);
+ break;
+ }
+}
+
+static int rk3399_pinctrl_request(struct udevice *dev, int func, int flags)
+{
+ struct rk3399_pinctrl_priv *priv = dev_get_priv(dev);
+
+ debug("%s: func=%x, flags=%x\n", __func__, func, flags);
+ switch (func) {
+ case PERIPH_ID_PWM0:
+ case PERIPH_ID_PWM1:
+ case PERIPH_ID_PWM2:
+ case PERIPH_ID_PWM3:
+ case PERIPH_ID_PWM4:
+ pinctrl_rk3399_pwm_config(priv->grf, priv->pmugrf, func);
+ break;
+ case PERIPH_ID_I2C0:
+ case PERIPH_ID_I2C1:
+ case PERIPH_ID_I2C2:
+ case PERIPH_ID_I2C3:
+ case PERIPH_ID_I2C4:
+ case PERIPH_ID_I2C5:
+ pinctrl_rk3399_i2c_config(priv->grf, priv->pmugrf, func);
+ break;
+ case PERIPH_ID_SPI0:
+ case PERIPH_ID_SPI1:
+ case PERIPH_ID_SPI2:
+ pinctrl_rk3399_spi_config(priv->grf, priv->pmugrf, func, flags);
+ break;
+ case PERIPH_ID_UART0:
+ case PERIPH_ID_UART1:
+ case PERIPH_ID_UART2:
+ case PERIPH_ID_UART3:
+ case PERIPH_ID_UART4:
+ pinctrl_rk3399_uart_config(priv->grf, priv->pmugrf, func);
+ break;
+ case PERIPH_ID_LCDC0:
+ case PERIPH_ID_LCDC1:
+ pinctrl_rk3399_lcdc_config(priv->grf, func);
+ break;
+ case PERIPH_ID_SDMMC0:
+ case PERIPH_ID_SDMMC1:
+ pinctrl_rk3399_sdmmc_config(priv->grf, func);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rk3399_pinctrl_get_periph_id(struct udevice *dev,
+ struct udevice *periph)
+{
+ u32 cell[3];
+ int ret;
+
+ ret = fdtdec_get_int_array(gd->fdt_blob, periph->of_offset,
+ "interrupts", cell, ARRAY_SIZE(cell));
+ if (ret < 0)
+ return -EINVAL;
+
+ switch (cell[1]) {
+ case 68:
+ return PERIPH_ID_SPI0;
+ case 53:
+ return PERIPH_ID_SPI1;
+ case 52:
+ return PERIPH_ID_SPI2;
+ case 57:
+ return PERIPH_ID_I2C0;
+ case 59: /* Note strange order */
+ return PERIPH_ID_I2C1;
+ case 35:
+ return PERIPH_ID_I2C2;
+ case 34:
+ return PERIPH_ID_I2C3;
+ case 56:
+ return PERIPH_ID_I2C4;
+ case 38:
+ return PERIPH_ID_I2C5;
+ case 65:
+ return PERIPH_ID_SDMMC1;
+ }
+
+ return -ENOENT;
+}
+
+static int rk3399_pinctrl_set_state_simple(struct udevice *dev,
+ struct udevice *periph)
+{
+ int func;
+
+ func = rk3399_pinctrl_get_periph_id(dev, periph);
+ if (func < 0)
+ return func;
+
+ return rk3399_pinctrl_request(dev, func, 0);
+}
+
+static struct pinctrl_ops rk3399_pinctrl_ops = {
+ .set_state_simple = rk3399_pinctrl_set_state_simple,
+ .request = rk3399_pinctrl_request,
+ .get_periph_id = rk3399_pinctrl_get_periph_id,
+};
+
+static int rk3399_pinctrl_probe(struct udevice *dev)
+{
+ struct rk3399_pinctrl_priv *priv = dev_get_priv(dev);
+ int ret = 0;
+
+ priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+ priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
+ debug("%s: grf=%p, pmugrf=%p\n", __func__, priv->grf, priv->pmugrf);
+
+ return ret;
+}
+
+static const struct udevice_id rk3399_pinctrl_ids[] = {
+ { .compatible = "rockchip,rk3399-pinctrl" },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3399) = {
+ .name = "rockchip_rk3399_pinctrl",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk3399_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rk3399_pinctrl_priv),
+ .ops = &rk3399_pinctrl_ops,
+ .bind = dm_scan_fdt_dev,
+ .probe = rk3399_pinctrl_probe,
+};
--
1.9.1
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