[PATCH] clk: imx8mq: Add a clock driver for the imx8mq
Angus Ainslie
angus at akkea.ca
Fri Mar 11 01:53:02 CET 2022
Based off the imx8mm u-boot driver and the linux kernel driver
Signed-off-by: Angus Ainslie <angus at akkea.ca>
---
drivers/clk/imx/Kconfig | 16 +
drivers/clk/imx/Makefile | 2 +
drivers/clk/imx/clk-imx8mq.c | 593 +++++++++++++++++++++++++++++++++++
3 files changed, 611 insertions(+)
create mode 100644 drivers/clk/imx/clk-imx8mq.c
diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
index cdd348020b..06d8c1a5dd 100644
--- a/drivers/clk/imx/Kconfig
+++ b/drivers/clk/imx/Kconfig
@@ -71,6 +71,22 @@ config CLK_IMX8MP
help
This enables support clock driver for i.MX8MP platforms.
+config SPL_CLK_IMX8MQ
+ bool "SPL clock support for i.MX8MQ"
+ depends on ARCH_IMX8M && SPL
+ select SPL_CLK
+ select SPL_CLK_CCF
+ help
+ This enables SPL DM/DTS support for clock driver in i.MX8MQ
+
+config CLK_IMX8MQ
+ bool "Clock support for i.MX8MQ"
+ depends on ARCH_IMX8M
+ select CLK
+ select CLK_CCF
+ help
+ This enables support clock driver for i.MX8MQ platforms.
+
config SPL_CLK_IMXRT1020
bool "SPL clock support for i.MXRT1020"
depends on ARCH_IMXRT && SPL
diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
index 01bbbdf3ae..c5766901f2 100644
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile
@@ -16,6 +16,8 @@ obj-$(CONFIG_$(SPL_TPL_)CLK_IMX8MN) += clk-imx8mn.o clk-pll14xx.o \
clk-composite-8m.o
obj-$(CONFIG_$(SPL_TPL_)CLK_IMX8MP) += clk-imx8mp.o clk-pll14xx.o \
clk-composite-8m.o
+obj-$(CONFIG_$(SPL_TPL_)CLK_IMX8MQ) += clk-imx8mq.o clk-pll14xx.o \
+ clk-composite-8m.o
obj-$(CONFIG_$(SPL_TPL_)CLK_IMXRT1020) += clk-imxrt1020.o
obj-$(CONFIG_$(SPL_TPL_)CLK_IMXRT1050) += clk-imxrt1050.o
diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c
new file mode 100644
index 0000000000..052af53d7b
--- /dev/null
+++ b/drivers/clk/imx/clk-imx8mq.c
@@ -0,0 +1,593 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 NXP
+ * Copyright 2022 Purism
+ * Peng Fan <peng.fan at nxp.com>
+ */
+
+#include <common.h>
+#include <clk.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <log.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <dt-bindings/clock/imx8mq-clock.h>
+
+#include "clk.h"
+
+#define PLL_1416X_RATE(_rate, _m, _p, _s) \
+ { \
+ .rate = (_rate), \
+ .mdiv = (_m), \
+ .pdiv = (_p), \
+ .sdiv = (_s), \
+ }
+
+#define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \
+ { \
+ .rate = (_rate), \
+ .mdiv = (_m), \
+ .pdiv = (_p), \
+ .sdiv = (_s), \
+ .kdiv = (_k), \
+ }
+
+static const struct imx_pll14xx_rate_table imx8mq_pll1416x_tbl[] = {
+ PLL_1416X_RATE(1800000000U, 225, 3, 0),
+ PLL_1416X_RATE(1600000000U, 200, 3, 0),
+ PLL_1416X_RATE(1200000000U, 300, 3, 1),
+ PLL_1416X_RATE(1000000000U, 250, 3, 1),
+ PLL_1416X_RATE(800000000U, 200, 3, 1),
+ PLL_1416X_RATE(750000000U, 250, 2, 2),
+ PLL_1416X_RATE(700000000U, 350, 3, 2),
+ PLL_1416X_RATE(600000000U, 300, 3, 2),
+};
+
+static struct imx_pll14xx_clk imx8mq_arm_pll __initdata = {
+ .type = PLL_1416X,
+ .rate_table = imx8mq_pll1416x_tbl,
+ .rate_count = ARRAY_SIZE(imx8mq_pll1416x_tbl),
+};
+
+static struct imx_pll14xx_clk imx8mq_sys_pll __initdata = {
+ .type = PLL_1416X,
+ .rate_table = imx8mq_pll1416x_tbl,
+ .rate_count = ARRAY_SIZE(imx8mq_pll1416x_tbl),
+};
+
+static const char *pll_ref_sels[] = { "clock-osc-25m", "clock-osc-27m", "clock-phy-27m", "dummy", };
+static const char *arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", };
+static const char *gpu_pll_bypass_sels[] = {"gpu_pll", "gpu_pll_ref_sel", };
+static const char *vpu_pll_bypass_sels[] = {"vpu_pll", "vpu_pll_ref_sel", };
+static const char *audio_pll1_bypass_sels[] = {"audio_pll1", "audio_pll1_ref_sel", };
+static const char *audio_pll2_bypass_sels[] = {"audio_pll2", "audio_pll2_ref_sel", };
+static const char *video_pll1_bypass_sels[] = {"video_pll1", "video_pll1_ref_sel", };
+
+static const char *sys1_pll_bypass_sels[] = {"sys1_pll", "sys1_pll_ref_sel", };
+static const char *sys2_pll_bypass_sels[] = {"sys2_pll", "sys2_pll_ref_sel", };
+static const char *sys3_pll_bypass_sels[] = {"sys3_pll", "sys3_pll_ref_sel", };
+
+static const char *imx8mq_a53_core_sels[] = {"arm_a53_div", "arm_pll_out", };
+static const char *imx8mq_a53_sels[] = {"clock-osc-25m", "arm_pll_out", "sys_pll2_500m",
+ "sys_pll2_1000m", "sys_pll1_800m", "sys_pll1_400m",
+ "audio_pll1_out", "sys_pll3_out", };
+
+static const char *imx8mq_ahb_sels[] = {"clock-osc-25m", "sys_pll1_133m", "sys_pll1_800m",
+ "sys_pll1_400m", "sys_pll2_125m", "sys_pll3_out",
+ "audio_pll1_out", "video_pll1_out", };
+
+static const char *imx8mq_enet_axi_sels[] = {"clock-osc-25m", "sys_pll1_266m", "sys_pll1_800m",
+ "sys_pll2_250m", "sys_pll2_200m", "audio_pll1_out",
+ "video_pll1_out", "sys_pll3_out", };
+
+#ifndef CONFIG_SPL_BUILD
+static const char *imx8mq_enet_ref_sels[] = {"clock-osc-25m", "sys_pll2_125m", "sys_pll2_50m",
+ "sys_pll2_100m", "sys_pll1_160m", "audio_pll1_out",
+ "video_pll1_out", "clk_ext4", };
+
+static const char *imx8mq_enet_timer_sels[] = {"clock-osc-25m", "sys_pll2_100m", "audio_pll1_out",
+ "clk_ext1", "clk_ext2", "clk_ext3", "clk_ext4",
+ "video_pll1_out", };
+
+static const char *imx8mq_enet_phy_sels[] = {"clock-osc-25m", "sys_pll2_50m", "sys_pll2_125m",
+ "sys_pll2_200m", "sys_pll2_500m", "video_pll1_out",
+ "audio_pll2_out", };
+#endif
+
+static const char *imx8mq_nand_usdhc_sels[] = {"clock-osc-25m", "sys_pll1_266m", "sys_pll1_800m",
+ "sys_pll2_200m", "sys_pll1_133m", "sys_pll3_out",
+ "sys_pll2_250m", "audio_pll1_out", };
+
+static const char *imx8mq_usb_bus_sels[] = {"clock-osc-25m", "sys_pll2_500m", "sys_pll1_800m",
+ "sys_pll2_100m", "sys_pll2_200m", "clk_ext2",
+ "clk_ext4", "audio_pll2_out", };
+
+static const char *imx8mq_usdhc1_sels[] = {"clock-osc-25m", "sys_pll1_400m", "sys_pll1_800m",
+ "sys_pll2_500m", "sys_pll3_out", "sys_pll1_266m",
+ "audio_pll2_out", "sys_pll1_100m", };
+
+static const char *imx8mq_usdhc2_sels[] = {"clock-osc-25m", "sys_pll1_400m", "sys_pll1_800m",
+ "sys_pll2_500m", "sys_pll3_out", "sys_pll1_266m",
+ "audio_pll2_out", "sys_pll1_100m", };
+
+static const char *imx8mq_i2c1_sels[] = {"clock-osc-25m", "sys_pll1_160m", "sys_pll2_50m",
+ "sys_pll3_out", "audio_pll1_out", "video_pll1_out",
+ "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mq_i2c2_sels[] = {"clock-osc-25m", "sys_pll1_160m", "sys_pll2_50m",
+ "sys_pll3_out", "audio_pll1_out", "video_pll1_out",
+ "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mq_i2c3_sels[] = {"clock-osc-25m", "sys_pll1_160m", "sys_pll2_50m",
+ "sys_pll3_out", "audio_pll1_out", "video_pll1_out",
+ "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mq_i2c4_sels[] = {"clock-osc-25m", "sys_pll1_160m", "sys_pll2_50m",
+ "sys_pll3_out", "audio_pll1_out", "video_pll1_out",
+ "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mq_wdog_sels[] = {"clock-osc-25m", "sys_pll1_133m", "sys_pll1_160m",
+ "vpu_pll_out", "sys_pll2_125m", "sys_pll3_out",
+ "sys_pll1_80m", "sys_pll2_166m", };
+
+static const char *imx8mq_qspi_sels[] = {"clock-osc-25m", "sys_pll1_400m", "sys_pll2_333m",
+ "sys_pll2_500m", "audio_pll2_out", "sys_pll1_266m",
+ "sys_pll3_out", "sys_pll1_100m", };
+
+static const char *imx8mq_usb_core_sels[] = {"clock-osc-25m", "sys_pll1_100m", "sys_pll1_40m",
+ "sys_pll2_100m", "sys_pll2_200m", "clk_ext2",
+ "clk_ext3", "audio_pll2_out", };
+
+static const char *imx8mq_usb_phy_sels[] = {"clock-osc-25m", "sys_pll1_100m", "sys_pll1_40m",
+ "sys_pll2_100m", "sys_pll2_200m", "clk_ext2",
+ "clk_ext3", "audio_pll2_out", };
+
+static const char *imx8mq_ecspi1_sels[] = {"clock-osc-25m", "sys_pll2_200m", "sys_pll1_40m",
+ "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
+ "sys_pll2_250m", "audio_pll2_out", };
+
+static const char *imx8mq_ecspi2_sels[] = {"clock-osc-25m", "sys_pll2_200m", "sys_pll1_40m",
+ "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
+ "sys_pll2_250m", "audio_pll2_out", };
+
+static const char * const imx8mq_ecspi3_sels[] = {"clock-osc-25m", "sys_pll2_200m", "sys_pll1_40m",
+ "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
+ "sys_pll2_250m", "audio_pll2_out", };
+
+static const char * const pllout_monitor_sels[] = {"clock-osc-25m", "clock-osc-27m", "clock-phy-27m",
+ "dummy", "clock-ckil", "audio_pll1_out_monitor",
+ "audio_pll2_out_monitor", "gpu_pll_out_monitor",
+ "vpu_pll_out_monitor", "video_pll1_out_monitor",
+ "arm_pll_out_monitor", "sys_pll1_out_monitor",
+ "sys_pll2_out_monitor", "sys_pll3_out_monitor",
+ "dummy", "dram_pll_out_monitor", };
+
+static ulong imx8mq_clk_get_rate(struct clk *clk)
+{
+ struct clk *c;
+ int ret;
+
+ debug("%s(#%lu)\n", __func__, clk->id);
+
+ ret = clk_get_by_id(clk->id, &c);
+ if (ret)
+ return ret;
+
+ return clk_get_rate(c);
+}
+
+static ulong imx8mq_clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ struct clk *c;
+ int ret;
+
+ debug("%s(#%lu), rate: %lu\n", __func__, clk->id, rate);
+
+ ret = clk_get_by_id(clk->id, &c);
+ if (ret)
+ return ret;
+
+ return clk_set_rate(c, rate);
+}
+
+static int __imx8mq_clk_enable(struct clk *clk, bool enable)
+{
+ struct clk *c;
+ int ret;
+
+ debug("%s(#%lu) en: %d\n", __func__, clk->id, enable);
+
+ ret = clk_get_by_id(clk->id, &c);
+ if (ret) {
+ debug("%s: clk_get_by_id failed\n", __func__);
+ return ret;
+ }
+
+ if (enable)
+ ret = clk_enable(c);
+ else
+ ret = clk_disable(c);
+
+ return ret;
+}
+
+static int imx8mq_clk_disable(struct clk *clk)
+{
+ return __imx8mq_clk_enable(clk, 0);
+}
+
+static int imx8mq_clk_enable(struct clk *clk)
+{
+ return __imx8mq_clk_enable(clk, 1);
+}
+
+static int imx8mq_clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ struct clk *c, *cp;
+ int ret;
+
+ debug("%s(#%lu), parent: %lu\n", __func__, clk->id, parent->id);
+
+ ret = clk_get_by_id(clk->id, &c);
+ if (ret)
+ return ret;
+
+ ret = clk_get_by_id(parent->id, &cp);
+ if (ret)
+ return ret;
+
+ ret = clk_set_parent(c, cp);
+ c->dev->parent = cp->dev;
+
+ return ret;
+}
+
+static struct clk_ops imx8mq_clk_ops = {
+ .set_rate = imx8mq_clk_set_rate,
+ .get_rate = imx8mq_clk_get_rate,
+ .enable = imx8mq_clk_enable,
+ .disable = imx8mq_clk_disable,
+ .set_parent = imx8mq_clk_set_parent,
+};
+
+static int imx8mq_clk_probe(struct udevice *dev)
+{
+ void __iomem *base;
+
+ base = (void *)ANATOP_BASE_ADDR;
+
+ clk_dm(IMX8MQ_CLK_32K, clk_register_fixed_rate(NULL, "ckil", 32768));
+
+ clk_dm(IMX8MQ_DRAM_PLL1_REF_SEL,
+ imx_clk_mux("dram_pll_ref_sel", base + 0x60, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+ clk_dm(IMX8MQ_ARM_PLL_REF_SEL,
+ imx_clk_mux("arm_pll_ref_sel", base + 0x28, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+ clk_dm(IMX8MQ_GPU_PLL_REF_SEL,
+ imx_clk_mux("gpu_pll_ref_sel", base + 0x18, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+ clk_dm(IMX8MQ_VPU_PLL_REF_SEL,
+ imx_clk_mux("vpu_pll_ref_sel", base + 0x20, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+ clk_dm(IMX8MQ_SYS3_PLL1_REF_SEL,
+ imx_clk_mux("sys3_pll_ref_sel", base + 0x48, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+ clk_dm(IMX8MQ_AUDIO_PLL1_REF_SEL,
+ imx_clk_mux("audio_pll1_ref_sel", base + 0x0, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+ clk_dm(IMX8MQ_AUDIO_PLL2_REF_SEL,
+ imx_clk_mux("audio_pll2_ref_sel", base + 0x8, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+ clk_dm(IMX8MQ_VIDEO_PLL1_REF_SEL,
+ imx_clk_mux("video_pll1_ref_sel", base + 0x10, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+
+ clk_dm(IMX8MQ_ARM_PLL,
+ imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel",
+ base + 0x28, &imx8mq_arm_pll));
+ clk_dm(IMX8MQ_GPU_PLL,
+ imx_clk_pll14xx("gpu_pll", "gpu_pll_ref_sel",
+ base + 0x18, &imx8mq_sys_pll));
+ clk_dm(IMX8MQ_VPU_PLL,
+ imx_clk_pll14xx("vpu_pll", "vpu_pll_ref_sel",
+ base + 0x20, &imx8mq_sys_pll));
+
+ clk_dm(IMX8MQ_SYS1_PLL1,
+ clk_register_fixed_rate(NULL, "sys1_pll", 800000000));
+ clk_dm(IMX8MQ_SYS2_PLL1,
+ clk_register_fixed_rate(NULL, "sys2_pll", 1000000000));
+ clk_dm(IMX8MQ_SYS3_PLL1,
+ imx_clk_pll14xx("sys3_pll", "sys3_pll_ref_sel",
+ base + 0x48, &imx8mq_sys_pll));
+ clk_dm(IMX8MQ_AUDIO_PLL1,
+ imx_clk_pll14xx("audio_pll1", "audio_pll1_ref_sel",
+ base + 0x0, &imx8mq_sys_pll));
+ clk_dm(IMX8MQ_AUDIO_PLL2,
+ imx_clk_pll14xx("audio_pll2", "audio_pll2_ref_sel",
+ base + 0x8, &imx8mq_sys_pll));
+ clk_dm(IMX8MQ_VIDEO_PLL1,
+ imx_clk_pll14xx("video_pll1", "video_pll1_ref_sel",
+ base + 0x10, &imx8mq_sys_pll));
+
+ /* PLL bypass out */
+ clk_dm(IMX8MQ_ARM_PLL_BYPASS,
+ imx_clk_mux_flags("arm_pll_bypass", base + 0x28, 4, 1,
+ arm_pll_bypass_sels,
+ ARRAY_SIZE(arm_pll_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MQ_GPU_PLL_BYPASS,
+ imx_clk_mux_flags("gpu_pll_bypass", base + 0x18, 4, 1,
+ gpu_pll_bypass_sels,
+ ARRAY_SIZE(gpu_pll_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MQ_VPU_PLL_BYPASS,
+ imx_clk_mux_flags("vpu_pll_bypass", base + 0x20, 4, 1,
+ vpu_pll_bypass_sels,
+ ARRAY_SIZE(vpu_pll_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MQ_AUDIO_PLL1_BYPASS,
+ imx_clk_mux_flags("audio_pll1_bypass", base + 0x0, 4, 1,
+ audio_pll1_bypass_sels,
+ ARRAY_SIZE(audio_pll1_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MQ_AUDIO_PLL2_BYPASS,
+ imx_clk_mux_flags("audio_pll2_bypass", base + 0x8, 4, 1,
+ audio_pll2_bypass_sels,
+ ARRAY_SIZE(audio_pll2_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MQ_VIDEO_PLL1_BYPASS,
+ imx_clk_mux_flags("video_pll1_bypass", base + 0x10, 4, 1,
+ video_pll1_bypass_sels,
+ ARRAY_SIZE(video_pll1_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MQ_SYS1_PLL1_BYPASS,
+ imx_clk_mux_flags("sys1_pll_bypass", base + 0x30, 4, 1,
+ sys1_pll_bypass_sels,
+ ARRAY_SIZE(sys1_pll_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MQ_SYS2_PLL1_BYPASS,
+ imx_clk_mux_flags("sys2_pll_bypass", base + 0x3c, 4, 1,
+ sys2_pll_bypass_sels,
+ ARRAY_SIZE(sys2_pll_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MQ_SYS3_PLL1_BYPASS,
+ imx_clk_mux_flags("sys3_pll_bypass", base + 0x48, 4, 1,
+ sys3_pll_bypass_sels,
+ ARRAY_SIZE(sys3_pll_bypass_sels),
+ CLK_SET_RATE_PARENT));
+
+ /* PLL out gate */
+ clk_dm(IMX8MQ_DRAM_PLL_OUT,
+ imx_clk_gate("dram_pll_out", "dram_pll_ref_sel",
+ base + 0x60, 13));
+ clk_dm(IMX8MQ_ARM_PLL_OUT,
+ imx_clk_gate("arm_pll_out", "arm_pll_bypass",
+ base + 0x28, 11));
+ clk_dm(IMX8MQ_GPU_PLL_OUT,
+ imx_clk_gate("gpu_pll_out", "gpu_pll_bypass",
+ base + 0x18, 11));
+ clk_dm(IMX8MQ_VPU_PLL_OUT,
+ imx_clk_gate("vpu_pll_out", "vpu_pll_bypass",
+ base + 0x20, 11));
+ clk_dm(IMX8MQ_AUDIO_PLL1_OUT,
+ imx_clk_gate("audio_pll1_out", "audio_pll1_bypass",
+ base + 0x0, 11));
+ clk_dm(IMX8MQ_AUDIO_PLL2_OUT,
+ imx_clk_gate("audio_pll2_out", "audio_pll2_bypass",
+ base + 0x8, 11));
+ clk_dm(IMX8MQ_VIDEO_PLL1_OUT,
+ imx_clk_gate("video_pll1_out", "video_pll1_bypass",
+ base + 0x10, 11));
+
+ clk_dm(IMX8MQ_SYS1_PLL_OUT,
+ imx_clk_gate("sys_pll1_out", "sys1_pll_bypass",
+ base + 0x30, 11));
+ clk_dm(IMX8MQ_SYS2_PLL_OUT,
+ imx_clk_gate("sys_pll2_out", "sys2_pll_bypass",
+ base + 0x3c, 11));
+ clk_dm(IMX8MQ_SYS3_PLL_OUT,
+ imx_clk_gate("sys_pll3_out", "sys3_pll_bypass",
+ base + 0x48, 11));
+
+ /* SYS PLL fixed output */
+ clk_dm(IMX8MQ_SYS1_PLL_40M,
+ imx_clk_fixed_factor("sys_pll1_40m", "sys_pll1_out", 1, 20));
+ clk_dm(IMX8MQ_SYS1_PLL_80M,
+ imx_clk_fixed_factor("sys_pll1_80m", "sys_pll1_out", 1, 10));
+ clk_dm(IMX8MQ_SYS1_PLL_100M,
+ imx_clk_fixed_factor("sys_pll1_100m", "sys_pll1_out", 1, 8));
+ clk_dm(IMX8MQ_SYS1_PLL_133M,
+ imx_clk_fixed_factor("sys_pll1_133m", "sys_pll1_out", 1, 6));
+ clk_dm(IMX8MQ_SYS1_PLL_160M,
+ imx_clk_fixed_factor("sys_pll1_160m", "sys_pll1_out", 1, 5));
+ clk_dm(IMX8MQ_SYS1_PLL_200M,
+ imx_clk_fixed_factor("sys_pll1_200m", "sys_pll1_out", 1, 4));
+ clk_dm(IMX8MQ_SYS1_PLL_266M,
+ imx_clk_fixed_factor("sys_pll1_266m", "sys_pll1_out", 1, 3));
+ clk_dm(IMX8MQ_SYS1_PLL_400M,
+ imx_clk_fixed_factor("sys_pll1_400m", "sys_pll1_out", 1, 2));
+ clk_dm(IMX8MQ_SYS1_PLL_800M,
+ imx_clk_fixed_factor("sys_pll1_800m", "sys_pll1_out", 1, 1));
+
+ clk_dm(IMX8MQ_SYS2_PLL_50M,
+ imx_clk_fixed_factor("sys_pll2_50m", "sys_pll2_out", 1, 20));
+ clk_dm(IMX8MQ_SYS2_PLL_100M,
+ imx_clk_fixed_factor("sys_pll2_100m", "sys_pll2_out", 1, 10));
+ clk_dm(IMX8MQ_SYS2_PLL_125M,
+ imx_clk_fixed_factor("sys_pll2_125m", "sys_pll2_out", 1, 8));
+ clk_dm(IMX8MQ_SYS2_PLL_166M,
+ imx_clk_fixed_factor("sys_pll2_166m", "sys_pll2_out", 1, 6));
+ clk_dm(IMX8MQ_SYS2_PLL_200M,
+ imx_clk_fixed_factor("sys_pll2_200m", "sys_pll2_out", 1, 5));
+ clk_dm(IMX8MQ_SYS2_PLL_250M,
+ imx_clk_fixed_factor("sys_pll2_250m", "sys_pll2_out", 1, 4));
+ clk_dm(IMX8MQ_SYS2_PLL_333M,
+ imx_clk_fixed_factor("sys_pll2_333m", "sys_pll2_out", 1, 3));
+ clk_dm(IMX8MQ_SYS2_PLL_500M,
+ imx_clk_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2));
+ clk_dm(IMX8MQ_SYS2_PLL_1000M,
+ imx_clk_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1));
+
+ clk_dm(IMX8MQ_CLK_MON_AUDIO_PLL1_DIV,
+ imx_clk_divider("audio_pll1_out_monitor", "audio_pll1_bypass", base + 0x78, 0, 3));
+ clk_dm(IMX8MQ_CLK_MON_AUDIO_PLL2_DIV,
+ imx_clk_divider("audio_pll2_out_monitor", "audio_pll2_bypass", base + 0x78, 4, 3));
+ clk_dm(IMX8MQ_CLK_MON_VIDEO_PLL1_DIV,
+ imx_clk_divider("video_pll1_out_monitor", "video_pll1_bypass", base + 0x78, 8, 3));
+ clk_dm(IMX8MQ_CLK_MON_GPU_PLL_DIV,
+ imx_clk_divider("gpu_pll_out_monitor", "gpu_pll_bypass", base + 0x78, 12, 3));
+ clk_dm(IMX8MQ_CLK_MON_VPU_PLL_DIV,
+ imx_clk_divider("vpu_pll_out_monitor", "vpu_pll_bypass", base + 0x78, 16, 3));
+ clk_dm(IMX8MQ_CLK_MON_ARM_PLL_DIV,
+ imx_clk_divider("arm_pll_out_monitor", "arm_pll_bypass", base + 0x78, 20, 3));
+ clk_dm(IMX8MQ_CLK_MON_SYS_PLL1_DIV,
+ imx_clk_divider("sys_pll1_out_monitor", "sys_pll1_out", base + 0x7c, 0, 3));
+ clk_dm(IMX8MQ_CLK_MON_SYS_PLL2_DIV,
+ imx_clk_divider("sys_pll2_out_monitor", "sys_pll2_out", base + 0x7c, 4, 3));
+ clk_dm(IMX8MQ_CLK_MON_SYS_PLL3_DIV,
+ imx_clk_divider("sys_pll3_out_monitor", "sys_pll3_out", base + 0x7c, 8, 3));
+ clk_dm(IMX8MQ_CLK_MON_DRAM_PLL_DIV,
+ imx_clk_divider("dram_pll_out_monitor", "dram_pll_out", base + 0x7c, 12, 3));
+ clk_dm(IMX8MQ_CLK_MON_SEL,
+ imx_clk_mux_flags("pllout_monitor_sel", base + 0x74, 0, 4,
+ pllout_monitor_sels,
+ ARRAY_SIZE(pllout_monitor_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MQ_CLK_MON_CLK2_OUT,
+ imx_clk_gate4("pllout_monitor_clk2", "pllout_monitor_sel", base + 0x74, 4));
+
+ base = dev_read_addr_ptr(dev);
+ if (!base) {
+ printf("%s : base failed\n", __func__);
+ return -EINVAL;
+ }
+
+ clk_dm(IMX8MQ_CLK_A53_SRC,
+ imx_clk_mux2("arm_a53_src", base + 0x8000, 24, 3,
+ imx8mq_a53_sels, ARRAY_SIZE(imx8mq_a53_sels)));
+ clk_dm(IMX8MQ_CLK_A53_CG,
+ imx_clk_gate3("arm_a53_cg", "arm_a53_src", base + 0x8000, 28));
+ clk_dm(IMX8MQ_CLK_A53_DIV,
+ imx_clk_divider2("arm_a53_div", "arm_a53_cg",
+ base + 0x8000, 0, 3));
+ clk_dm(IMX8MQ_CLK_A53_CORE,
+ imx_clk_mux2("arm_a53_src", base + 0x9880, 24, 1,
+ imx8mq_a53_core_sels, ARRAY_SIZE(imx8mq_a53_core_sels)));
+
+ clk_dm(IMX8MQ_CLK_AHB,
+ imx8m_clk_composite_critical("ahb", imx8mq_ahb_sels,
+ base + 0x9000));
+ clk_dm(IMX8MQ_CLK_IPG_ROOT,
+ imx_clk_divider2("ipg_root", "ahb", base + 0x9080, 0, 1));
+
+ clk_dm(IMX8MQ_CLK_ENET_AXI,
+ imx8m_clk_composite("enet_axi", imx8mq_enet_axi_sels,
+ base + 0x8880));
+ clk_dm(IMX8MQ_CLK_NAND_USDHC_BUS,
+ imx8m_clk_composite_critical("nand_usdhc_bus",
+ imx8mq_nand_usdhc_sels,
+ base + 0x8900));
+ clk_dm(IMX8MQ_CLK_USB_BUS,
+ imx8m_clk_composite("usb_bus", imx8mq_usb_bus_sels, base + 0x8b80));
+
+ /* IP */
+ clk_dm(IMX8MQ_CLK_USDHC1,
+ imx8m_clk_composite("usdhc1", imx8mq_usdhc1_sels,
+ base + 0xac00));
+ clk_dm(IMX8MQ_CLK_USDHC2,
+ imx8m_clk_composite("usdhc2", imx8mq_usdhc2_sels,
+ base + 0xac80));
+ clk_dm(IMX8MQ_CLK_I2C1,
+ imx8m_clk_composite("i2c1", imx8mq_i2c1_sels, base + 0xad00));
+ clk_dm(IMX8MQ_CLK_I2C2,
+ imx8m_clk_composite("i2c2", imx8mq_i2c2_sels, base + 0xad80));
+ clk_dm(IMX8MQ_CLK_I2C3,
+ imx8m_clk_composite("i2c3", imx8mq_i2c3_sels, base + 0xae00));
+ clk_dm(IMX8MQ_CLK_I2C4,
+ imx8m_clk_composite("i2c4", imx8mq_i2c4_sels, base + 0xae80));
+ clk_dm(IMX8MQ_CLK_WDOG,
+ imx8m_clk_composite("wdog", imx8mq_wdog_sels, base + 0xb900));
+ clk_dm(IMX8MQ_CLK_QSPI,
+ imx8m_clk_composite("qspi", imx8mq_qspi_sels, base + 0xab80));
+ clk_dm(IMX8MQ_CLK_USB_CORE_REF,
+ imx8m_clk_composite("usb_core_ref", imx8mq_usb_core_sels, base + 0xb100));
+ clk_dm(IMX8MQ_CLK_USB_PHY_REF,
+ imx8m_clk_composite("usb_phy_ref", imx8mq_usb_phy_sels, base + 0xb180));
+ clk_dm(IMX8MQ_CLK_ECSPI1,
+ imx8m_clk_composite("ecspi1", imx8mq_ecspi1_sels, base + 0xb280));
+ clk_dm(IMX8MQ_CLK_ECSPI2,
+ imx8m_clk_composite("ecspi2", imx8mq_ecspi2_sels, base + 0xb300));
+ clk_dm(IMX8MQ_CLK_ECSPI3,
+ imx8m_clk_composite("ecspi3", imx8mq_ecspi3_sels, base + 0xc180));
+
+ clk_dm(IMX8MQ_CLK_ECSPI1_ROOT,
+ imx_clk_gate4("ecspi1_root_clk", "ecspi1", base + 0x4070, 0));
+ clk_dm(IMX8MQ_CLK_ECSPI2_ROOT,
+ imx_clk_gate4("ecspi2_root_clk", "ecspi2", base + 0x4080, 0));
+ clk_dm(IMX8MQ_CLK_ECSPI3_ROOT,
+ imx_clk_gate4("ecspi3_root_clk", "ecspi3", base + 0x4090, 0));
+ clk_dm(IMX8MQ_CLK_I2C1_ROOT,
+ imx_clk_gate4("i2c1_root_clk", "i2c1", base + 0x4170, 0));
+ clk_dm(IMX8MQ_CLK_I2C2_ROOT,
+ imx_clk_gate4("i2c2_root_clk", "i2c2", base + 0x4180, 0));
+ clk_dm(IMX8MQ_CLK_I2C3_ROOT,
+ imx_clk_gate4("i2c3_root_clk", "i2c3", base + 0x4190, 0));
+ clk_dm(IMX8MQ_CLK_I2C4_ROOT,
+ imx_clk_gate4("i2c4_root_clk", "i2c4", base + 0x41a0, 0));
+ clk_dm(IMX8MQ_CLK_OCOTP_ROOT,
+ imx_clk_gate4("ocotp_root_clk", "ipg_root", base + 0x4220, 0));
+ clk_dm(IMX8MQ_CLK_USDHC1_ROOT,
+ imx_clk_gate4("usdhc1_root_clk", "usdhc1", base + 0x4510, 0));
+ clk_dm(IMX8MQ_CLK_USDHC2_ROOT,
+ imx_clk_gate4("usdhc2_root_clk", "usdhc2", base + 0x4520, 0));
+ clk_dm(IMX8MQ_CLK_WDOG1_ROOT,
+ imx_clk_gate4("wdog1_root_clk", "wdog", base + 0x4530, 0));
+ clk_dm(IMX8MQ_CLK_WDOG2_ROOT,
+ imx_clk_gate4("wdog2_root_clk", "wdog", base + 0x4540, 0));
+ clk_dm(IMX8MQ_CLK_WDOG3_ROOT,
+ imx_clk_gate4("wdog3_root_clk", "wdog", base + 0x4550, 0));
+ clk_dm(IMX8MQ_CLK_QSPI_ROOT,
+ imx_clk_gate4("qspi_root_clk", "qspi", base + 0x42f0, 0));
+ clk_dm(IMX8MQ_CLK_USB1_CTRL_ROOT,
+ imx_clk_gate4("usb1_ctrl_root_clk", "usb_bus", base + 0x44d0, 0));
+ clk_dm(IMX8MQ_CLK_USB2_CTRL_ROOT,
+ imx_clk_gate4("usb2_ctrl_root_clk", "usb_bus", base + 0x44e0, 0));
+ clk_dm(IMX8MQ_CLK_USB1_PHY_ROOT,
+ imx_clk_gate4("usb1_phy_root_clk", "usb_phy_ref", base + 0x44f0, 0));
+ clk_dm(IMX8MQ_CLK_USB2_PHY_ROOT,
+ imx_clk_gate4("usb2_phy_root_clk", "usb_phy_ref", base + 0x4500, 0));
+
+ /* clks not needed in SPL stage */
+ if (!IS_ENABLED(CONFIG_SPL_BUILD)) {
+ clk_dm(IMX8MQ_CLK_ENET_REF,
+ imx8m_clk_composite("enet_ref", imx8mq_enet_ref_sels,
+ base + 0xa980));
+ clk_dm(IMX8MQ_CLK_ENET_TIMER,
+ imx8m_clk_composite("enet_timer", imx8mq_enet_timer_sels,
+ base + 0xaa00));
+ clk_dm(IMX8MQ_CLK_ENET_PHY_REF,
+ imx8m_clk_composite("enet_phy", imx8mq_enet_phy_sels,
+ base + 0xaa80));
+ clk_dm(IMX8MQ_CLK_ENET1_ROOT,
+ imx_clk_gate4("enet1_root_clk", "enet_axi",
+ base + 0x40a0, 0));
+ }
+
+ return 0;
+}
+
+static const struct udevice_id imx8mq_clk_ids[] = {
+ { .compatible = "fsl,imx8mq-ccm" },
+ { },
+};
+
+U_BOOT_DRIVER(imx8mq_clk) = {
+ .name = "clk_imx8mq",
+ .id = UCLASS_CLK,
+ .of_match = imx8mq_clk_ids,
+ .ops = &imx8mq_clk_ops,
+ .probe = imx8mq_clk_probe,
+ .flags = DM_FLAG_PRE_RELOC,
+};
--
2.25.1
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