clk: imx: add i.MX8MP clk driver

Add i.MX8MP clk driver for i.MX8MP CLK driver model usage

Signed-off-by: Peng Fan <peng.fan@nxp.com>

3 files changed, 380 insertions, 0 deletions

diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
index 0ba8bc9f63..2f149ff6f8 100644
--- a/drivers/clk/imx/Kconfig
+++ b/drivers/clk/imx/Kconfig
@@ -52,3 +52,19 @@ config CLK_IMX8MN
 	select CLK_CCF
 	help
 	  This enables support clock driver for i.MX8MN platforms.
+
+config SPL_CLK_IMX8MP
+	bool "SPL clock support for i.MX8MP"
+	depends on ARCH_IMX8M && SPL
+	select SPL_CLK
+	select SPL_CLK_CCF
+	help
+	  This enables SPL DM/DTS support for clock driver in i.MX8MP
+
+config CLK_IMX8MP
+	bool "Clock support for i.MX8MP"
+	depends on ARCH_IMX8M
+	select CLK
+	select CLK_CCF
+	help
+	  This enables support clock driver for i.MX8MP platforms.
diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
index 222c5a4e08..255a87b18e 100644
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile
@@ -14,3 +14,5 @@ obj-$(CONFIG_$(SPL_TPL_)CLK_IMX8MM) += clk-imx8mm.o clk-pll14xx.o \
 				clk-composite-8m.o
 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
diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
new file mode 100644
index 0000000000..a2693d2f7a
--- /dev/null
+++ b/drivers/clk/imx/clk-imx8mp.c
@@ -0,0 +1,362 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 NXP
+ * Peng Fan <peng.fan@nxp.com>
+ */
+
+#include <common.h>
+#include <clk.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <dt-bindings/clock/imx8mp-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 imx8mp_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 const struct imx_pll14xx_rate_table imx8mp_drampll_tbl[] = {
+	PLL_1443X_RATE(650000000U, 325, 3, 2, 0),
+};
+
+static struct imx_pll14xx_clk imx8mp_dram_pll __initdata = {
+		.type = PLL_1443X,
+		.rate_table = imx8mp_drampll_tbl,
+		.rate_count = ARRAY_SIZE(imx8mp_drampll_tbl),
+};
+
+static struct imx_pll14xx_clk imx8mp_arm_pll __initdata = {
+		.type = PLL_1416X,
+		.rate_table = imx8mp_pll1416x_tbl,
+		.rate_count = ARRAY_SIZE(imx8mp_pll1416x_tbl),
+};
+
+static struct imx_pll14xx_clk imx8mp_sys_pll __initdata = {
+		.type = PLL_1416X,
+		.rate_table = imx8mp_pll1416x_tbl,
+		.rate_count = ARRAY_SIZE(imx8mp_pll1416x_tbl),
+};
+
+static const char *pll_ref_sels[] = { "clock-osc-24m", "dummy", "dummy", "dummy", };
+static const char *dram_pll_bypass_sels[] = {"dram_pll", "dram_pll_ref_sel", };
+static const char *arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", };
+static const char *sys_pll1_bypass_sels[] = {"sys_pll1", "sys_pll1_ref_sel", };
+static const char *sys_pll2_bypass_sels[] = {"sys_pll2", "sys_pll2_ref_sel", };
+static const char *sys_pll3_bypass_sels[] = {"sys_pll3", "sys_pll3_ref_sel", };
+
+static const char *imx8mp_a53_sels[] = {"clock-osc-24m", "arm_pll_out", "sys_pll2_500m",
+					"sys_pll2_1000m", "sys_pll1_800m", "sys_pll1_400m",
+					"audio_pll1_out", "sys_pll3_out", };
+
+static const char *imx8mp_main_axi_sels[] = {"clock-osc-24m", "sys_pll2_333m", "sys_pll1_800m",
+					     "sys_pll2_250m", "sys_pll2_1000m", "audio_pll1_out",
+					     "video_pll1_out", "sys_pll1_100m",};
+
+static const char *imx8mp_nand_usdhc_sels[] = {"clock-osc-24m", "sys_pll1_266m", "sys_pll1_800m",
+					       "sys_pll2_200m", "sys_pll1_133m", "sys_pll3_out",
+					       "sys_pll2_250m", "audio_pll1_out", };
+
+static const char *imx8mp_noc_sels[] = {"clock-osc-24m", "sys_pll1_800m", "sys_pll3_out",
+					"sys_pll2_1000m", "sys_pll2_500m", "audio_pll1_out",
+					"video_pll1_out", "audio_pll2_out", };
+
+static const char *imx8mp_noc_io_sels[] = {"clock-osc-24m", "sys_pll1_800m", "sys_pll3_out",
+					   "sys_pll2_1000m", "sys_pll2_500m", "audio_pll1_out",
+					   "video_pll1_out", "audio_pll2_out", };
+
+static const char *imx8mp_ahb_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_pll1_800m",
+					"sys_pll1_400m", "sys_pll2_125m", "sys_pll3_out",
+					"audio_pll1_out", "video_pll1_out", };
+
+static const char *imx8mp_dram_alt_sels[] = {"clock-osc-24m", "sys_pll1_800m", "sys_pll1_100m",
+					     "sys_pll2_500m", "sys_pll2_1000m", "sys_pll3_out",
+					     "audio_pll1_out", "sys_pll1_266m", };
+
+static const char *imx8mp_dram_apb_sels[] = {"clock-osc-24m", "sys_pll2_200m", "sys_pll1_40m",
+					     "sys_pll1_160m", "sys_pll1_800m", "sys_pll3_out",
+					     "sys_pll2_250m", "audio_pll2_out", };
+
+static const char *imx8mp_i2c5_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m",
+					 "sys_pll3_out", "audio_pll1_out", "video_pll1_out",
+					 "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mp_i2c6_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m",
+					 "sys_pll3_out", "audio_pll1_out", "video_pll1_out",
+					 "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mp_usdhc1_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m",
+					   "sys_pll2_500m", "sys_pll3_out", "sys_pll1_266m",
+					   "audio_pll2_out", "sys_pll1_100m", };
+
+static const char *imx8mp_usdhc2_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m",
+					   "sys_pll2_500m", "sys_pll3_out", "sys_pll1_266m",
+					   "audio_pll2_out", "sys_pll1_100m", };
+
+static const char *imx8mp_i2c1_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m",
+					 "sys_pll3_out", "audio_pll1_out", "video_pll1_out",
+					 "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mp_i2c2_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m",
+					 "sys_pll3_out", "audio_pll1_out", "video_pll1_out",
+					 "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mp_i2c3_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m",
+					 "sys_pll3_out", "audio_pll1_out", "video_pll1_out",
+					 "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mp_i2c4_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m",
+					 "sys_pll3_out", "audio_pll1_out", "video_pll1_out",
+					 "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mp_uart1_sels[] = {"clock-osc-24m", "sys_pll1_80m", "sys_pll2_200m",
+					  "sys_pll2_100m", "sys_pll3_out", "clk_ext2",
+					  "clk_ext4", "audio_pll2_out", };
+
+static const char *imx8mp_uart2_sels[] = {"clock-osc-24m", "sys_pll1_80m", "sys_pll2_200m",
+					  "sys_pll2_100m", "sys_pll3_out", "clk_ext2",
+					  "clk_ext3", "audio_pll2_out", };
+
+static const char *imx8mp_uart3_sels[] = {"clock-osc-24m", "sys_pll1_80m", "sys_pll2_200m",
+					  "sys_pll2_100m", "sys_pll3_out", "clk_ext2",
+					  "clk_ext4", "audio_pll2_out", };
+
+static const char *imx8mp_uart4_sels[] = {"clock-osc-24m", "sys_pll1_80m", "sys_pll2_200m",
+					  "sys_pll2_100m", "sys_pll3_out", "clk_ext2",
+					  "clk_ext3", "audio_pll2_out", };
+
+static const char *imx8mp_gic_sels[] = {"clock-osc-24m", "sys_pll2_200m", "sys_pll1_40m",
+					"sys_pll2_100m", "sys_pll1_800m",
+					"sys_pll2_500m", "clk_ext4", "audio_pll2_out" };
+
+static const char *imx8mp_wdog_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_pll1_160m",
+					 "vpu_pll_out", "sys_pll2_125m", "sys_pll3_out",
+					 "sys_pll1_80m", "sys_pll2_166m" };
+
+static const char *imx8mp_usdhc3_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m",
+					   "sys_pll2_500m", "sys_pll3_out", "sys_pll1_266m",
+					   "audio_pll2_out", "sys_pll1_100m", };
+
+static const char *imx8mp_dram_core_sels[] = {"dram_pll_out", "dram_alt_root", };
+
+
+static ulong imx8mp_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 imx8mp_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 __imx8mp_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)
+		return ret;
+
+	if (enable)
+		ret = clk_enable(c);
+	else
+		ret = clk_disable(c);
+
+	return ret;
+}
+
+static int imx8mp_clk_disable(struct clk *clk)
+{
+	return __imx8mp_clk_enable(clk, 0);
+}
+
+static int imx8mp_clk_enable(struct clk *clk)
+{
+	return __imx8mp_clk_enable(clk, 1);
+}
+
+static struct clk_ops imx8mp_clk_ops = {
+	.set_rate = imx8mp_clk_set_rate,
+	.get_rate = imx8mp_clk_get_rate,
+	.enable = imx8mp_clk_enable,
+	.disable = imx8mp_clk_disable,
+};
+
+static int imx8mp_clk_probe(struct udevice *dev)
+{
+	void __iomem *base;
+
+	base = (void *)ANATOP_BASE_ADDR;
+
+	clk_dm(IMX8MP_DRAM_PLL_REF_SEL, imx_clk_mux("dram_pll_ref_sel", base + 0x50, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+	clk_dm(IMX8MP_ARM_PLL_REF_SEL, imx_clk_mux("arm_pll_ref_sel", base + 0x84, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+	clk_dm(IMX8MP_SYS_PLL1_REF_SEL, imx_clk_mux("sys_pll1_ref_sel", base + 0x94, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+	clk_dm(IMX8MP_SYS_PLL2_REF_SEL, imx_clk_mux("sys_pll2_ref_sel", base + 0x104, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+	clk_dm(IMX8MP_SYS_PLL3_REF_SEL, imx_clk_mux("sys_pll3_ref_sel", base + 0x114, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+
+	clk_dm(IMX8MP_DRAM_PLL, imx_clk_pll14xx("dram_pll", "dram_pll_ref_sel", base + 0x50, &imx8mp_dram_pll));
+	clk_dm(IMX8MP_ARM_PLL, imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel", base + 0x84, &imx8mp_arm_pll));
+	clk_dm(IMX8MP_SYS_PLL1, imx_clk_pll14xx("sys_pll1", "sys_pll1_ref_sel", base + 0x94, &imx8mp_sys_pll));
+	clk_dm(IMX8MP_SYS_PLL2, imx_clk_pll14xx("sys_pll2", "sys_pll2_ref_sel", base + 0x104, &imx8mp_sys_pll));
+	clk_dm(IMX8MP_SYS_PLL3, imx_clk_pll14xx("sys_pll3", "sys_pll3_ref_sel", base + 0x114, &imx8mp_sys_pll));
+
+	clk_dm(IMX8MP_DRAM_PLL_BYPASS, imx_clk_mux_flags("dram_pll_bypass", base + 0x50, 4, 1, dram_pll_bypass_sels, ARRAY_SIZE(dram_pll_bypass_sels), CLK_SET_RATE_PARENT));
+	clk_dm(IMX8MP_ARM_PLL_BYPASS, imx_clk_mux_flags("arm_pll_bypass", base + 0x84, 4, 1, arm_pll_bypass_sels, ARRAY_SIZE(arm_pll_bypass_sels), CLK_SET_RATE_PARENT));
+	clk_dm(IMX8MP_SYS_PLL1_BYPASS, imx_clk_mux_flags("sys_pll1_bypass", base + 0x94, 4, 1, sys_pll1_bypass_sels, ARRAY_SIZE(sys_pll1_bypass_sels), CLK_SET_RATE_PARENT));
+	clk_dm(IMX8MP_SYS_PLL2_BYPASS, imx_clk_mux_flags("sys_pll2_bypass", base + 0x104, 4, 1, sys_pll2_bypass_sels, ARRAY_SIZE(sys_pll2_bypass_sels), CLK_SET_RATE_PARENT));
+	clk_dm(IMX8MP_SYS_PLL3_BYPASS, imx_clk_mux_flags("sys_pll3_bypass", base + 0x114, 4, 1, sys_pll3_bypass_sels, ARRAY_SIZE(sys_pll3_bypass_sels), CLK_SET_RATE_PARENT));
+
+	clk_dm(IMX8MP_DRAM_PLL_OUT, imx_clk_gate("dram_pll_out", "dram_pll_bypass", base + 0x50, 13));
+	clk_dm(IMX8MP_ARM_PLL_OUT, imx_clk_gate("arm_pll_out", "arm_pll_bypass", base + 0x84, 11));
+	clk_dm(IMX8MP_SYS_PLL1_OUT, imx_clk_gate("sys_pll1_out", "sys_pll1_bypass", base + 0x94, 11));
+	clk_dm(IMX8MP_SYS_PLL2_OUT, imx_clk_gate("sys_pll2_out", "sys_pll2_bypass", base + 0x104, 11));
+	clk_dm(IMX8MP_SYS_PLL3_OUT, imx_clk_gate("sys_pll3_out", "sys_pll3_bypass", base + 0x114, 11));
+
+	clk_dm(IMX8MP_SYS_PLL1_40M, imx_clk_fixed_factor("sys_pll1_40m", "sys_pll1_out", 1, 20));
+	clk_dm(IMX8MP_SYS_PLL1_80M, imx_clk_fixed_factor("sys_pll1_80m", "sys_pll1_out", 1, 10));
+	clk_dm(IMX8MP_SYS_PLL1_100M, imx_clk_fixed_factor("sys_pll1_100m", "sys_pll1_out", 1, 8));
+	clk_dm(IMX8MP_SYS_PLL1_133M, imx_clk_fixed_factor("sys_pll1_133m", "sys_pll1_out", 1, 6));
+	clk_dm(IMX8MP_SYS_PLL1_160M, imx_clk_fixed_factor("sys_pll1_160m", "sys_pll1_out", 1, 5));
+	clk_dm(IMX8MP_SYS_PLL1_200M, imx_clk_fixed_factor("sys_pll1_200m", "sys_pll1_out", 1, 4));
+	clk_dm(IMX8MP_SYS_PLL1_266M, imx_clk_fixed_factor("sys_pll1_266m", "sys_pll1_out", 1, 3));
+	clk_dm(IMX8MP_SYS_PLL1_400M, imx_clk_fixed_factor("sys_pll1_400m", "sys_pll1_out", 1, 2));
+	clk_dm(IMX8MP_SYS_PLL1_800M, imx_clk_fixed_factor("sys_pll1_800m", "sys_pll1_out", 1, 1));
+
+	clk_dm(IMX8MP_SYS_PLL2_50M, imx_clk_fixed_factor("sys_pll2_50m", "sys_pll2_out", 1, 20));
+	clk_dm(IMX8MP_SYS_PLL2_100M, imx_clk_fixed_factor("sys_pll2_100m", "sys_pll2_out", 1, 10));
+	clk_dm(IMX8MP_SYS_PLL2_125M, imx_clk_fixed_factor("sys_pll2_125m", "sys_pll2_out", 1, 8));
+	clk_dm(IMX8MP_SYS_PLL2_166M, imx_clk_fixed_factor("sys_pll2_166m", "sys_pll2_out", 1, 6));
+	clk_dm(IMX8MP_SYS_PLL2_200M, imx_clk_fixed_factor("sys_pll2_200m", "sys_pll2_out", 1, 5));
+	clk_dm(IMX8MP_SYS_PLL2_250M, imx_clk_fixed_factor("sys_pll2_250m", "sys_pll2_out", 1, 4));
+	clk_dm(IMX8MP_SYS_PLL2_333M, imx_clk_fixed_factor("sys_pll2_333m", "sys_pll2_out", 1, 3));
+	clk_dm(IMX8MP_SYS_PLL2_500M, imx_clk_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2));
+	clk_dm(IMX8MP_SYS_PLL2_1000M, imx_clk_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1));
+
+	base = dev_read_addr_ptr(dev);
+	if (base == (void *)FDT_ADDR_T_NONE)
+		return -EINVAL;
+
+	clk_dm(IMX8MP_CLK_A53_SRC, imx_clk_mux2("arm_a53_src", base + 0x8000, 24, 3, imx8mp_a53_sels, ARRAY_SIZE(imx8mp_a53_sels)));
+	clk_dm(IMX8MP_CLK_A53_CG, imx_clk_gate3("arm_a53_cg", "arm_a53_src", base + 0x8000, 28));
+	clk_dm(IMX8MP_CLK_A53_DIV, imx_clk_divider2("arm_a53_div", "arm_a53_cg", base + 0x8000, 0, 3));
+
+	clk_dm(IMX8MP_CLK_MAIN_AXI, imx8m_clk_composite_critical("main_axi", imx8mp_main_axi_sels, base + 0x8800));
+	clk_dm(IMX8MP_CLK_NAND_USDHC_BUS, imx8m_clk_composite_critical("nand_usdhc_bus", imx8mp_nand_usdhc_sels, base + 0x8900));
+	clk_dm(IMX8MP_CLK_NOC, imx8m_clk_composite_critical("noc", imx8mp_noc_sels, base + 0x8d00));
+	clk_dm(IMX8MP_CLK_NOC_IO, imx8m_clk_composite_critical("noc_io", imx8mp_noc_io_sels, base + 0x8d80));
+
+	clk_dm(IMX8MP_CLK_AHB, imx8m_clk_composite_critical("ahb_root", imx8mp_ahb_sels, base + 0x9000));
+
+	clk_dm(IMX8MP_CLK_IPG_ROOT, imx_clk_divider2("ipg_root", "ahb_root", base + 0x9080, 0, 1));
+
+	clk_dm(IMX8MP_CLK_DRAM_ALT, imx8m_clk_composite("dram_alt", imx8mp_dram_alt_sels, base + 0xa000));
+	clk_dm(IMX8MP_CLK_DRAM_APB, imx8m_clk_composite_critical("dram_apb", imx8mp_dram_apb_sels, base + 0xa080));
+	clk_dm(IMX8MP_CLK_I2C5, imx8m_clk_composite("i2c5", imx8mp_i2c5_sels, base + 0xa480));
+	clk_dm(IMX8MP_CLK_I2C6, imx8m_clk_composite("i2c6", imx8mp_i2c6_sels, base + 0xa500));
+	clk_dm(IMX8MP_CLK_USDHC1, imx8m_clk_composite("usdhc1", imx8mp_usdhc1_sels, base + 0xac00));
+	clk_dm(IMX8MP_CLK_USDHC2, imx8m_clk_composite("usdhc2", imx8mp_usdhc2_sels, base + 0xac80));
+	clk_dm(IMX8MP_CLK_I2C1, imx8m_clk_composite("i2c1", imx8mp_i2c1_sels, base + 0xad00));
+	clk_dm(IMX8MP_CLK_I2C2, imx8m_clk_composite("i2c2", imx8mp_i2c2_sels, base + 0xad80));
+	clk_dm(IMX8MP_CLK_I2C3, imx8m_clk_composite("i2c3", imx8mp_i2c3_sels, base + 0xae00));
+	clk_dm(IMX8MP_CLK_I2C4, imx8m_clk_composite("i2c4", imx8mp_i2c4_sels, base + 0xae80));
+
+	clk_dm(IMX8MP_CLK_UART1, imx8m_clk_composite("uart1", imx8mp_uart1_sels, base + 0xaf00));
+	clk_dm(IMX8MP_CLK_UART2, imx8m_clk_composite("uart2", imx8mp_uart2_sels, base + 0xaf80));
+	clk_dm(IMX8MP_CLK_UART3, imx8m_clk_composite("uart3", imx8mp_uart3_sels, base + 0xb000));
+	clk_dm(IMX8MP_CLK_UART4, imx8m_clk_composite("uart4", imx8mp_uart4_sels, base + 0xb080));
+	clk_dm(IMX8MP_CLK_GIC, imx8m_clk_composite_critical("gic", imx8mp_gic_sels, base + 0xb200));
+
+	clk_dm(IMX8MP_CLK_WDOG, imx8m_clk_composite("wdog", imx8mp_wdog_sels, base + 0xb900));
+	clk_dm(IMX8MP_CLK_USDHC3, imx8m_clk_composite("usdhc3", imx8mp_usdhc3_sels, base + 0xbc80));
+
+	clk_dm(IMX8MP_CLK_DRAM_ALT_ROOT, imx_clk_fixed_factor("dram_alt_root", "dram_alt", 1, 4));
+	clk_dm(IMX8MP_CLK_DRAM_CORE, imx_clk_mux2_flags("dram_core_clk", base + 0x9800, 24, 1, imx8mp_dram_core_sels, ARRAY_SIZE(imx8mp_dram_core_sels), CLK_IS_CRITICAL));
+
+	clk_dm(IMX8MP_CLK_DRAM1_ROOT, imx_clk_gate4_flags("dram1_root_clk", "dram_core_clk", base + 0x4050, 0, CLK_IS_CRITICAL));
+	clk_dm(IMX8MP_CLK_GPIO1_ROOT, imx_clk_gate4("gpio1_root_clk", "ipg_root", base + 0x40b0, 0));
+	clk_dm(IMX8MP_CLK_GPIO2_ROOT, imx_clk_gate4("gpio2_root_clk", "ipg_root", base + 0x40c0, 0));
+	clk_dm(IMX8MP_CLK_GPIO3_ROOT, imx_clk_gate4("gpio3_root_clk", "ipg_root", base + 0x40d0, 0));
+	clk_dm(IMX8MP_CLK_GPIO4_ROOT, imx_clk_gate4("gpio4_root_clk", "ipg_root", base + 0x40e0, 0));
+	clk_dm(IMX8MP_CLK_GPIO5_ROOT, imx_clk_gate4("gpio5_root_clk", "ipg_root", base + 0x40f0, 0));
+	clk_dm(IMX8MP_CLK_I2C1_ROOT, imx_clk_gate4("i2c1_root_clk", "i2c1", base + 0x4170, 0));
+	clk_dm(IMX8MP_CLK_I2C2_ROOT, imx_clk_gate4("i2c2_root_clk", "i2c2", base + 0x4180, 0));
+	clk_dm(IMX8MP_CLK_I2C3_ROOT, imx_clk_gate4("i2c3_root_clk", "i2c3", base + 0x4190, 0));
+	clk_dm(IMX8MP_CLK_I2C4_ROOT, imx_clk_gate4("i2c4_root_clk", "i2c4", base + 0x41a0, 0));
+	clk_dm(IMX8MP_CLK_I2C5_ROOT, imx_clk_gate2("i2c5_root_clk", "i2c5", base + 0x4330, 0));
+	clk_dm(IMX8MP_CLK_I2C6_ROOT, imx_clk_gate2("i2c6_root_clk", "i2c6", base + 0x4340, 0));
+	clk_dm(IMX8MP_CLK_UART1_ROOT, imx_clk_gate4("uart1_root_clk", "uart1", base + 0x4490, 0));
+	clk_dm(IMX8MP_CLK_UART2_ROOT, imx_clk_gate4("uart2_root_clk", "uart2", base + 0x44a0, 0));
+	clk_dm(IMX8MP_CLK_UART3_ROOT, imx_clk_gate4("uart3_root_clk", "uart3", base + 0x44b0, 0));
+	clk_dm(IMX8MP_CLK_UART4_ROOT, imx_clk_gate4("uart4_root_clk", "uart4", base + 0x44c0, 0));
+	clk_dm(IMX8MP_CLK_USDHC1_ROOT, imx_clk_gate4("usdhc1_root_clk", "usdhc1", base + 0x4510, 0));
+	clk_dm(IMX8MP_CLK_USDHC2_ROOT, imx_clk_gate4("usdhc2_root_clk", "usdhc2", base + 0x4520, 0));
+	clk_dm(IMX8MP_CLK_WDOG1_ROOT, imx_clk_gate4("wdog1_root_clk", "wdog", base + 0x4530, 0));
+	clk_dm(IMX8MP_CLK_WDOG2_ROOT, imx_clk_gate4("wdog2_root_clk", "wdog", base + 0x4540, 0));
+	clk_dm(IMX8MP_CLK_WDOG3_ROOT, imx_clk_gate4("wdog3_root_clk", "wdog", base + 0x4550, 0));
+
+	clk_dm(IMX8MP_CLK_USDHC3_ROOT, imx_clk_gate4("usdhc3_root_clk", "usdhc3", base + 0x45e0, 0));
+
+	return 0;
+}
+
+static const struct udevice_id imx8mp_clk_ids[] = {
+	{ .compatible = "fsl,imx8mp-ccm" },
+	{ },
+};
+
+U_BOOT_DRIVER(imx8mp_clk) = {
+	.name = "clk_imx8mp",
+	.id = UCLASS_CLK,
+	.of_match = imx8mp_clk_ids,
+	.ops = &imx8mp_clk_ops,
+	.probe = imx8mp_clk_probe,
+	.flags = DM_FLAG_PRE_RELOC,
+};