clk: imx: add i.MX93 CCF driver

Add i.MX93 CCF driver support.
Modifed from Linux Kernel v6.5-rc2 and adapted for U-Boot.

Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
index abcb19c..56d893e 100644
--- a/drivers/clk/imx/Kconfig
+++ b/drivers/clk/imx/Kconfig
@@ -89,6 +89,24 @@
 	help
 	  This enables support clock driver for i.MX8MQ platforms.
 
+config SPL_CLK_IMX93
+	bool "SPL clock support for i.MX93"
+	depends on ARCH_IMX9 && SPL
+	select SPL_CLK
+	select SPL_CLK_CCF
+	select SPL_CLK_COMPOSITE_CCF
+	help
+	  This enables SPL DM/DTS support for clock driver in i.MX93
+
+config CLK_IMX93
+	bool "Clock support for i.MX93"
+	depends on ARCH_IMX9
+	select CLK
+	select CLK_CCF
+	select CLK_COMPOSITE_CCF
+	help
+	  This enables support for clock driver in i.MX93
+
 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 b9c197f..6d4bcd3 100644
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile
@@ -18,6 +18,8 @@
 				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_IMX93) += clk-imx93.o clk-fracn-gppll.o \
+				clk-gate-93.o clk-composite-93.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-composite-93.c b/drivers/clk/imx/clk-composite-93.c
new file mode 100644
index 0000000..6d71c0c
--- /dev/null
+++ b/drivers/clk/imx/clk-composite-93.c
@@ -0,0 +1,142 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 NXP
+ *
+ * Peng Fan <peng.fan@nxp.com>
+ */
+#include <common.h>
+#include <log.h>
+#include <asm/io.h>
+#include <malloc.h>
+#include <clk-uclass.h>
+#include <dm/device.h>
+#include <dm/devres.h>
+#include <linux/iopoll.h>
+#include <linux/clk-provider.h>
+#include <clk.h>
+#include "clk.h"
+#include <linux/err.h>
+
+#define TIMEOUT_US	500U
+
+#define CCM_DIV_SHIFT	0
+#define CCM_DIV_WIDTH	8
+#define CCM_MUX_SHIFT	8
+#define CCM_MUX_MASK	3
+#define CCM_OFF_SHIFT	24
+#define CCM_BUSY_SHIFT	28
+
+#define STAT_OFFSET	0x4
+#define AUTHEN_OFFSET	0x30
+#define TZ_NS_SHIFT	9
+#define TZ_NS_MASK	BIT(9)
+
+#define WHITE_LIST_SHIFT	16
+
+#define readl_poll_timeout_atomic readl_poll_timeout
+
+static int imx93_clk_composite_wait_ready(struct clk *clk, void __iomem *reg)
+{
+	int ret;
+	u32 val;
+
+	ret = readl_poll_timeout_atomic(reg + STAT_OFFSET, val, !(val & BIT(CCM_BUSY_SHIFT)),
+					TIMEOUT_US);
+	if (ret)
+		pr_err("Slice[%s] busy timeout\n", "TODO");
+
+	return ret;
+}
+
+static void imx93_clk_composite_gate_endisable(struct clk *clk, int enable)
+{
+	struct clk_gate *gate = to_clk_gate(clk);
+	u32 reg;
+
+	reg = readl(gate->reg);
+
+	if (enable)
+		reg &= ~BIT(gate->bit_idx);
+	else
+		reg |= BIT(gate->bit_idx);
+
+	writel(reg, gate->reg);
+
+	imx93_clk_composite_wait_ready(clk, gate->reg);
+}
+
+static int imx93_clk_composite_gate_enable(struct clk *clk)
+{
+	imx93_clk_composite_gate_endisable(clk, 1);
+
+	return 0;
+}
+
+static int imx93_clk_composite_gate_disable(struct clk *clk)
+{
+	imx93_clk_composite_gate_endisable(clk, 0);
+
+	return 0;
+}
+
+static const struct clk_ops imx93_clk_composite_gate_ops = {
+	.enable = imx93_clk_composite_gate_enable,
+	.disable = imx93_clk_composite_gate_disable,
+};
+
+struct clk *imx93_clk_composite_flags(const char *name,
+				      const char * const *parent_names,
+				      int num_parents, void __iomem *reg, u32 domain_id,
+				      unsigned long flags)
+{
+	struct clk *clk = ERR_PTR(-ENOMEM);
+	struct clk_divider *div = NULL;
+	struct clk_gate *gate = NULL;
+	struct clk_mux *mux = NULL;
+
+	mux = kzalloc(sizeof(*mux), GFP_KERNEL);
+	if (!mux)
+		goto fail;
+
+	mux->reg = reg;
+	mux->shift = CCM_MUX_SHIFT;
+	mux->mask = CCM_MUX_MASK;
+	mux->num_parents = num_parents;
+	mux->parent_names = parent_names;
+	mux->flags = flags;
+
+	div = kzalloc(sizeof(*div), GFP_KERNEL);
+	if (!div)
+		goto fail;
+
+	div->reg = reg;
+	div->shift = CCM_DIV_SHIFT;
+	div->width = CCM_DIV_WIDTH;
+	div->flags = CLK_DIVIDER_ROUND_CLOSEST | flags;
+
+	gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+	if (!gate)
+		goto fail;
+
+	gate->reg = reg;
+	gate->bit_idx = CCM_OFF_SHIFT;
+	gate->flags = flags;
+
+	clk = clk_register_composite(NULL, name,
+				     parent_names, num_parents,
+				     &mux->clk, &clk_mux_ops,
+				     &div->clk, &clk_divider_ops,
+				     &gate->clk, &imx93_clk_composite_gate_ops,
+				     flags);
+
+	if (IS_ERR(clk))
+		goto fail;
+
+	return clk;
+
+fail:
+	kfree(gate);
+	kfree(div);
+	kfree(mux);
+	return ERR_CAST(clk);
+}
diff --git a/drivers/clk/imx/clk-fracn-gppll.c b/drivers/clk/imx/clk-fracn-gppll.c
new file mode 100644
index 0000000..9228f27
--- /dev/null
+++ b/drivers/clk/imx/clk-fracn-gppll.c
@@ -0,0 +1,382 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 NXP
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <malloc.h>
+#include <clk-uclass.h>
+#include <dm/device.h>
+#include <dm/devres.h>
+#include <linux/bitfield.h>
+#include <linux/bitops.h>
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/iopoll.h>
+#include <clk.h>
+#include <div64.h>
+
+#include "clk.h"
+
+#define UBOOT_DM_CLK_IMX_FRACN_GPPLL "imx_clk_fracn_gppll"
+
+#define PLL_CTRL		0x0
+#define HW_CTRL_SEL		BIT(16)
+#define CLKMUX_BYPASS		BIT(2)
+#define CLKMUX_EN		BIT(1)
+#define POWERUP_MASK		BIT(0)
+
+#define PLL_ANA_PRG		0x10
+#define PLL_SPREAD_SPECTRUM	0x30
+
+#define PLL_NUMERATOR		0x40
+#define PLL_MFN_MASK		GENMASK(31, 2)
+
+#define PLL_DENOMINATOR		0x50
+#define PLL_MFD_MASK		GENMASK(29, 0)
+
+#define PLL_DIV			0x60
+#define PLL_MFI_MASK		GENMASK(24, 16)
+#define PLL_RDIV_MASK		GENMASK(15, 13)
+#define PLL_ODIV_MASK		GENMASK(7, 0)
+
+#define PLL_DFS_CTRL(x)		(0x70 + (x) * 0x10)
+
+#define PLL_STATUS		0xF0
+#define LOCK_STATUS		BIT(0)
+
+#define DFS_STATUS		0xF4
+
+#define LOCK_TIMEOUT_US		200
+
+#define PLL_FRACN_GP(_rate, _mfi, _mfn, _mfd, _rdiv, _odiv)	\
+	{							\
+		.rate	=	(_rate),			\
+		.mfi	=	(_mfi),				\
+		.mfn	=	(_mfn),				\
+		.mfd	=	(_mfd),				\
+		.rdiv	=	(_rdiv),			\
+		.odiv	=	(_odiv),			\
+	}
+
+#define PLL_FRACN_GP_INTEGER(_rate, _mfi, _rdiv, _odiv)		\
+	{							\
+		.rate	=	(_rate),			\
+		.mfi	=	(_mfi),				\
+		.mfn	=	0,				\
+		.mfd	=	0,				\
+		.rdiv	=	(_rdiv),			\
+		.odiv	=	(_odiv),			\
+	}
+
+struct clk_fracn_gppll {
+	struct clk			clk;
+	void __iomem			*base;
+	const struct imx_fracn_gppll_rate_table *rate_table;
+	int rate_count;
+	u32 flags;
+};
+
+/*
+ * Fvco = (Fref / rdiv) * (MFI + MFN / MFD)
+ * Fout = Fvco / odiv
+ * The (Fref / rdiv) should be in range 20MHz to 40MHz
+ * The Fvco should be in range 2.5Ghz to 5Ghz
+ */
+static const struct imx_fracn_gppll_rate_table fracn_tbl[] = {
+	PLL_FRACN_GP(650000000U, 162, 50, 100, 0, 6),
+	PLL_FRACN_GP(594000000U, 198, 0, 1, 0, 8),
+	PLL_FRACN_GP(560000000U, 140, 0, 1, 0, 6),
+	PLL_FRACN_GP(498000000U, 166, 0, 1, 0, 8),
+	PLL_FRACN_GP(484000000U, 121, 0, 1, 0, 6),
+	PLL_FRACN_GP(445333333U, 167, 0, 1, 0, 9),
+	PLL_FRACN_GP(400000000U, 200, 0, 1, 0, 12),
+	PLL_FRACN_GP(393216000U, 163, 84, 100, 0, 10),
+	PLL_FRACN_GP(300000000U, 150, 0, 1, 0, 12)
+};
+
+struct imx_fracn_gppll_clk imx_fracn_gppll = {
+	.rate_table = fracn_tbl,
+	.rate_count = ARRAY_SIZE(fracn_tbl),
+};
+
+/*
+ * Fvco = (Fref / rdiv) * MFI
+ * Fout = Fvco / odiv
+ * The (Fref / rdiv) should be in range 20MHz to 40MHz
+ * The Fvco should be in range 2.5Ghz to 5Ghz
+ */
+static const struct imx_fracn_gppll_rate_table int_tbl[] = {
+	PLL_FRACN_GP_INTEGER(1700000000U, 141, 1, 2),
+	PLL_FRACN_GP_INTEGER(1400000000U, 175, 1, 3),
+	PLL_FRACN_GP_INTEGER(900000000U, 150, 1, 4),
+};
+
+struct imx_fracn_gppll_clk imx_fracn_gppll_integer = {
+	.rate_table = int_tbl,
+	.rate_count = ARRAY_SIZE(int_tbl),
+};
+
+#define to_clk_fracn_gppll(_clk) container_of(_clk, struct clk_fracn_gppll, clk)
+
+static const struct imx_fracn_gppll_rate_table *
+imx_get_pll_settings(struct clk_fracn_gppll *pll, unsigned long rate)
+{
+	const struct imx_fracn_gppll_rate_table *rate_table = pll->rate_table;
+	int i;
+
+	for (i = 0; i < pll->rate_count; i++)
+		if (rate == rate_table[i].rate)
+			return &rate_table[i];
+
+	return NULL;
+}
+
+static unsigned long clk_fracn_gppll_round_rate(struct clk *clk, unsigned long rate)
+{
+	struct clk_fracn_gppll *pll = to_clk_fracn_gppll(clk);
+	const struct imx_fracn_gppll_rate_table *rate_table = pll->rate_table;
+	int i;
+
+	/* Assuming rate_table is in descending order */
+	for (i = 0; i < pll->rate_count; i++)
+		if (rate >= rate_table[i].rate)
+			return rate_table[i].rate;
+
+	/* return minimum supported value */
+	return rate_table[pll->rate_count - 1].rate;
+}
+
+static unsigned long clk_fracn_gppll_recalc_rate(struct clk *clk)
+{
+	struct clk_fracn_gppll *pll = to_clk_fracn_gppll(clk);
+	const struct imx_fracn_gppll_rate_table *rate_table = pll->rate_table;
+	u32 pll_numerator, pll_denominator, pll_div;
+	u32 mfi, mfn, mfd, rdiv, odiv;
+	u64 fvco = clk_get_parent_rate(clk);
+	long rate = 0;
+	int i;
+
+	pll_numerator = readl_relaxed(pll->base + PLL_NUMERATOR);
+	mfn = FIELD_GET(PLL_MFN_MASK, pll_numerator);
+
+	pll_denominator = readl_relaxed(pll->base + PLL_DENOMINATOR);
+	mfd = FIELD_GET(PLL_MFD_MASK, pll_denominator);
+
+	pll_div = readl_relaxed(pll->base + PLL_DIV);
+	mfi = FIELD_GET(PLL_MFI_MASK, pll_div);
+
+	rdiv = FIELD_GET(PLL_RDIV_MASK, pll_div);
+	odiv = FIELD_GET(PLL_ODIV_MASK, pll_div);
+
+	/*
+	 * Sometimes, the recalculated rate has deviation due to
+	 * the frac part. So find the accurate pll rate from the table
+	 * first, if no match rate in the table, use the rate calculated
+	 * from the equation below.
+	 */
+	for (i = 0; i < pll->rate_count; i++) {
+		if (rate_table[i].mfn == mfn && rate_table[i].mfi == mfi &&
+		    rate_table[i].mfd == mfd && rate_table[i].rdiv == rdiv &&
+		    rate_table[i].odiv == odiv)
+			rate = rate_table[i].rate;
+	}
+
+	if (rate)
+		return (unsigned long)rate;
+
+	if (!rdiv)
+		rdiv = rdiv + 1;
+
+	switch (odiv) {
+	case 0:
+		odiv = 2;
+		break;
+	case 1:
+		odiv = 3;
+		break;
+	default:
+		break;
+	}
+
+	if (pll->flags & CLK_FRACN_GPPLL_INTEGER) {
+		/* Fvco = (Fref / rdiv) * MFI */
+		fvco = fvco * mfi;
+		do_div(fvco, rdiv * odiv);
+	} else {
+		/* Fvco = (Fref / rdiv) * (MFI + MFN / MFD) */
+		fvco = fvco * mfi * mfd + fvco * mfn;
+		do_div(fvco, mfd * rdiv * odiv);
+	}
+
+	return (unsigned long)fvco;
+}
+
+static int clk_fracn_gppll_wait_lock(struct clk_fracn_gppll *pll)
+{
+	u32 val;
+
+	return readl_poll_timeout(pll->base + PLL_STATUS, val,
+				  val & LOCK_STATUS, LOCK_TIMEOUT_US);
+}
+
+static ulong clk_fracn_gppll_set_rate(struct clk *clk, unsigned long drate)
+{
+	struct clk_fracn_gppll *pll = to_clk_fracn_gppll(clk);
+	const struct imx_fracn_gppll_rate_table *rate;
+	u32 tmp, pll_div, ana_mfn;
+	int ret;
+
+	rate = imx_get_pll_settings(pll, drate);
+
+	/* Hardware control select disable. PLL is control by register */
+	tmp = readl_relaxed(pll->base + PLL_CTRL);
+	tmp &= ~HW_CTRL_SEL;
+	writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+	/* Disable output */
+	tmp = readl_relaxed(pll->base + PLL_CTRL);
+	tmp &= ~CLKMUX_EN;
+	writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+	/* Power Down */
+	tmp &= ~POWERUP_MASK;
+	writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+	/* Disable BYPASS */
+	tmp &= ~CLKMUX_BYPASS;
+	writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+	pll_div = FIELD_PREP(PLL_RDIV_MASK, rate->rdiv) | rate->odiv |
+		FIELD_PREP(PLL_MFI_MASK, rate->mfi);
+	writel_relaxed(pll_div, pll->base + PLL_DIV);
+	if (pll->flags & CLK_FRACN_GPPLL_FRACN) {
+		writel_relaxed(rate->mfd, pll->base + PLL_DENOMINATOR);
+		writel_relaxed(FIELD_PREP(PLL_MFN_MASK, rate->mfn), pll->base + PLL_NUMERATOR);
+	}
+
+	/* Wait for 5us according to fracn mode pll doc */
+	udelay(5);
+
+	/* Enable Powerup */
+	tmp |= POWERUP_MASK;
+	writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+	/* Wait Lock */
+	ret = clk_fracn_gppll_wait_lock(pll);
+	if (ret)
+		return ret;
+
+	/* Enable output */
+	tmp |= CLKMUX_EN;
+	writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+	ana_mfn = readl_relaxed(pll->base + PLL_STATUS);
+	ana_mfn = FIELD_GET(PLL_MFN_MASK, ana_mfn);
+
+	WARN(ana_mfn != rate->mfn, "ana_mfn != rate->mfn\n");
+
+	return 0;
+}
+
+static int clk_fracn_gppll_prepare(struct clk *clk)
+{
+	struct clk_fracn_gppll *pll = to_clk_fracn_gppll(clk);
+	u32 val;
+	int ret;
+
+	val = readl_relaxed(pll->base + PLL_CTRL);
+	if (val & POWERUP_MASK)
+		return 0;
+
+	val |= CLKMUX_BYPASS;
+	writel_relaxed(val, pll->base + PLL_CTRL);
+
+	val |= POWERUP_MASK;
+	writel_relaxed(val, pll->base + PLL_CTRL);
+
+	val |= CLKMUX_EN;
+	writel_relaxed(val, pll->base + PLL_CTRL);
+
+	ret = clk_fracn_gppll_wait_lock(pll);
+	if (ret)
+		return ret;
+
+	val &= ~CLKMUX_BYPASS;
+	writel_relaxed(val, pll->base + PLL_CTRL);
+
+	return 0;
+}
+
+static int clk_fracn_gppll_unprepare(struct clk *clk)
+{
+	struct clk_fracn_gppll *pll = to_clk_fracn_gppll(dev_get_clk_ptr(clk->dev));
+	u32 val;
+
+	val = readl_relaxed(pll->base + PLL_CTRL);
+	val &= ~POWERUP_MASK;
+	writel_relaxed(val, pll->base + PLL_CTRL);
+
+	return 0;
+}
+
+static const struct clk_ops clk_fracn_gppll_ops = {
+	.enable		= clk_fracn_gppll_prepare,
+	.disable	= clk_fracn_gppll_unprepare,
+	.get_rate	= clk_fracn_gppll_recalc_rate,
+	.set_rate	= clk_fracn_gppll_set_rate,
+	.round_rate	= clk_fracn_gppll_round_rate,
+};
+
+static struct clk *_imx_clk_fracn_gppll(const char *name, const char *parent_name,
+					void __iomem *base,
+					const struct imx_fracn_gppll_clk *pll_clk,
+					u32 pll_flags)
+{
+	struct clk_fracn_gppll *pll;
+	struct clk *clk;
+	int ret;
+
+	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
+	if (!pll)
+		return ERR_PTR(-ENOMEM);
+
+	pll->base = base;
+	pll->rate_table = pll_clk->rate_table;
+	pll->rate_count = pll_clk->rate_count;
+	pll->flags = pll_flags;
+
+	clk = &pll->clk;
+
+	ret = clk_register(clk, UBOOT_DM_CLK_IMX_FRACN_GPPLL,
+			   name, parent_name);
+	if (ret) {
+		pr_err("%s: failed to register pll %s %d\n", __func__, name, ret);
+		kfree(pll);
+		return ERR_PTR(ret);
+	}
+
+	return clk;
+}
+
+struct clk *imx_clk_fracn_gppll(const char *name, const char *parent_name, void __iomem *base,
+				const struct imx_fracn_gppll_clk *pll_clk)
+{
+	return _imx_clk_fracn_gppll(name, parent_name, base, pll_clk, CLK_FRACN_GPPLL_FRACN);
+}
+
+struct clk *imx_clk_fracn_gppll_integer(const char *name, const char *parent_name,
+					void __iomem *base,
+					const struct imx_fracn_gppll_clk *pll_clk)
+{
+	return _imx_clk_fracn_gppll(name, parent_name, base, pll_clk, CLK_FRACN_GPPLL_INTEGER);
+}
+
+U_BOOT_DRIVER(clk_fracn_gppll) = {
+	.name	= UBOOT_DM_CLK_IMX_FRACN_GPPLL,
+	.id	= UCLASS_CLK,
+	.ops	= &clk_fracn_gppll_ops,
+	.flags = DM_FLAG_PRE_RELOC,
+};
diff --git a/drivers/clk/imx/clk-gate-93.c b/drivers/clk/imx/clk-gate-93.c
new file mode 100644
index 0000000..bc85741
--- /dev/null
+++ b/drivers/clk/imx/clk-gate-93.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2022 NXP
+ *
+ * Peng Fan <peng.fan@nxp.com>
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <malloc.h>
+#include <clk-uclass.h>
+#include <dm/device.h>
+#include <dm/devres.h>
+#include <linux/bug.h>
+#include <linux/clk-provider.h>
+#include <clk.h>
+#include "clk.h"
+#include <linux/err.h>
+
+#define UBOOT_DM_CLK_IMX_GATE93 "imx_clk_gate93"
+
+#define DIRECT_OFFSET		0x0
+
+/*
+ * 0b000 - LPCG will be OFF in any CPU mode.
+ * 0b100 - LPCG will be ON in any CPU mode.
+ */
+#define LPM_SETTING_OFF		0x0
+#define LPM_SETTING_ON		0x4
+
+#define LPM_CUR_OFFSET		0x1c
+
+#define AUTHEN_OFFSET		0x30
+#define CPULPM_EN		BIT(2)
+#define TZ_NS_SHIFT		9
+#define TZ_NS_MASK		BIT(9)
+
+#define WHITE_LIST_SHIFT	16
+
+struct imx93_clk_gate {
+	struct clk clk;
+	void __iomem	*reg;
+	u32		bit_idx;
+	u32		val;
+	u32		mask;
+	unsigned int	*share_count;
+};
+
+#define to_imx93_clk_gate(_clk) container_of(_clk, struct imx93_clk_gate, clk)
+
+static void imx93_clk_gate_do_hardware(struct clk *clk, bool enable)
+{
+	struct imx93_clk_gate *gate = to_imx93_clk_gate(clk);
+	u32 val;
+
+	val = readl(gate->reg + AUTHEN_OFFSET);
+	if (val & CPULPM_EN) {
+		val = enable ? LPM_SETTING_ON : LPM_SETTING_OFF;
+		writel(val, gate->reg + LPM_CUR_OFFSET);
+	} else {
+		val = readl(gate->reg + DIRECT_OFFSET);
+		val &= ~(gate->mask << gate->bit_idx);
+		if (enable)
+			val |= (gate->val & gate->mask) << gate->bit_idx;
+		writel(val, gate->reg + DIRECT_OFFSET);
+	}
+}
+
+static int imx93_clk_gate_enable(struct clk *clk)
+{
+	struct imx93_clk_gate *gate = to_imx93_clk_gate(clk);
+
+	if (gate->share_count && (*gate->share_count)++ > 0)
+		return 0;
+
+	imx93_clk_gate_do_hardware(clk, true);
+
+	return 0;
+}
+
+static int imx93_clk_gate_disable(struct clk *clk)
+{
+	struct imx93_clk_gate *gate = to_imx93_clk_gate(clk);
+
+	if (gate->share_count) {
+		if (WARN_ON(*gate->share_count == 0))
+			return 0;
+		else if (--(*gate->share_count) > 0)
+			return 0;
+	}
+
+	imx93_clk_gate_do_hardware(clk, false);
+
+	return 0;
+}
+
+static ulong imx93_clk_set_rate(struct clk *clk, ulong rate)
+{
+	struct clk *parent = clk_get_parent(clk);
+
+	if (parent)
+		return clk_set_rate(parent, rate);
+
+	return -ENODEV;
+}
+
+static const struct clk_ops imx93_clk_gate_ops = {
+	.enable = imx93_clk_gate_enable,
+	.disable = imx93_clk_gate_disable,
+	.get_rate = clk_generic_get_rate,
+	.set_rate = imx93_clk_set_rate,
+};
+
+struct clk *imx93_clk_gate(struct device *dev, const char *name, const char *parent_name,
+			   unsigned long flags, void __iomem *reg, u32 bit_idx, u32 val,
+			   u32 mask, u32 domain_id, unsigned int *share_count)
+{
+	struct imx93_clk_gate *gate;
+	struct clk *clk;
+	int ret;
+
+	gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+	if (!gate)
+		return ERR_PTR(-ENOMEM);
+
+	gate->reg = reg;
+	gate->bit_idx = bit_idx;
+	gate->val = val;
+	gate->mask = mask;
+	gate->share_count = share_count;
+
+	clk = &gate->clk;
+
+	ret = clk_register(clk, UBOOT_DM_CLK_IMX_GATE93, name, parent_name);
+	if (ret) {
+		kfree(gate);
+		return ERR_PTR(ret);
+	}
+
+	return clk;
+}
+
+U_BOOT_DRIVER(clk_gate93) = {
+	.name	= UBOOT_DM_CLK_IMX_GATE93,
+	.id	= UCLASS_CLK,
+	.ops	= &imx93_clk_gate_ops,
+	.flags = DM_FLAG_PRE_RELOC,
+};
diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c
new file mode 100644
index 0000000..ce10d79
--- /dev/null
+++ b/drivers/clk/imx/clk-imx93.c
@@ -0,0 +1,343 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 NXP.
+ */
+
+#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/imx93-clock.h>
+
+#include "clk.h"
+
+enum clk_sel {
+	LOW_SPEED_IO_SEL,
+	NON_IO_SEL,
+	FAST_SEL,
+	AUDIO_SEL,
+	VIDEO_SEL,
+	TPM_SEL,
+	CKO1_SEL,
+	CKO2_SEL,
+	MISC_SEL,
+	MAX_SEL
+};
+
+static u32 share_count_sai1;
+static u32 share_count_sai2;
+static u32 share_count_sai3;
+static u32 share_count_mub;
+
+static const char * const a55_core_sels[] = {"a55_alt", "arm_pll"};
+static const char *parent_names[MAX_SEL][4] = {
+	{"clock-osc-24m", "sys_pll_pfd0_div2", "sys_pll_pfd1_div2", "video_pll"},
+	{"clock-osc-24m", "sys_pll_pfd0_div2", "sys_pll_pfd1_div2", "sys_pll_pfd2_div2"},
+	{"clock-osc-24m", "sys_pll_pfd0", "sys_pll_pfd1", "sys_pll_pfd2"},
+	{"clock-osc-24m", "audio_pll", "video_pll", "clk_ext1"},
+	{"clock-osc-24m", "audio_pll", "video_pll", "sys_pll_pfd0"},
+	{"clock-osc-24m", "sys_pll_pfd0", "audio_pll", "clk_ext1"},
+	{"clock-osc-24m", "sys_pll_pfd0", "sys_pll_pfd1", "audio_pll"},
+	{"clock-osc-24m", "sys_pll_pfd0", "sys_pll_pfd1", "video_pll"},
+	{"clock-osc-24m", "audio_pll", "video_pll", "sys_pll_pfd2"},
+};
+
+static const struct imx93_clk_root {
+	u32 clk;
+	char *name;
+	u32 off;
+	enum clk_sel sel;
+	unsigned long flags;
+} root_array[] = {
+	/* a55/m33/bus critical clk for system run */
+	{ IMX93_CLK_A55_PERIPH,		"a55_periph_root",	0x0000,	FAST_SEL, CLK_IS_CRITICAL },
+	{ IMX93_CLK_A55_MTR_BUS,	"a55_mtr_bus_root",	0x0080,	LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
+	{ IMX93_CLK_A55,		"a55_alt_root",		0x0100,	FAST_SEL, CLK_IS_CRITICAL },
+	{ IMX93_CLK_M33,		"m33_root",		0x0180,	LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
+	{ IMX93_CLK_BUS_WAKEUP,		"bus_wakeup_root",	0x0280,	LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
+	{ IMX93_CLK_BUS_AON,		"bus_aon_root",		0x0300,	LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
+	{ IMX93_CLK_WAKEUP_AXI,		"wakeup_axi_root",	0x0380,	FAST_SEL, CLK_IS_CRITICAL },
+	{ IMX93_CLK_SWO_TRACE,		"swo_trace_root",	0x0400,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_M33_SYSTICK,	"m33_systick_root",	0x0480,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_FLEXIO1,		"flexio1_root",		0x0500,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_FLEXIO2,		"flexio2_root",		0x0580,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPTMR1,		"lptmr1_root",		0x0700,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPTMR2,		"lptmr2_root",		0x0780,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_TPM2,		"tpm2_root",		0x0880,	TPM_SEL, },
+	{ IMX93_CLK_TPM4,		"tpm4_root",		0x0980,	TPM_SEL, },
+	{ IMX93_CLK_TPM5,		"tpm5_root",		0x0a00,	TPM_SEL, },
+	{ IMX93_CLK_TPM6,		"tpm6_root",		0x0a80,	TPM_SEL, },
+	{ IMX93_CLK_FLEXSPI1,		"flexspi1_root",	0x0b00,	FAST_SEL, },
+	{ IMX93_CLK_CAN1,		"can1_root",		0x0b80,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_CAN2,		"can2_root",		0x0c00,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPUART1,		"lpuart1_root",		0x0c80,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPUART2,		"lpuart2_root",		0x0d00,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPUART3,		"lpuart3_root",		0x0d80,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPUART4,		"lpuart4_root",		0x0e00,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPUART5,		"lpuart5_root",		0x0e80,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPUART6,		"lpuart6_root",		0x0f00,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPUART7,		"lpuart7_root",		0x0f80,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPUART8,		"lpuart8_root",		0x1000,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPI2C1,		"lpi2c1_root",		0x1080,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPI2C2,		"lpi2c2_root",		0x1100,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPI2C3,		"lpi2c3_root",		0x1180,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPI2C4,		"lpi2c4_root",		0x1200,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPI2C5,		"lpi2c5_root",		0x1280,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPI2C6,		"lpi2c6_root",		0x1300,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPI2C7,		"lpi2c7_root",		0x1380,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPI2C8,		"lpi2c8_root",		0x1400,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPSPI1,		"lpspi1_root",		0x1480,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPSPI2,		"lpspi2_root",		0x1500,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPSPI3,		"lpspi3_root",		0x1580,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPSPI4,		"lpspi4_root",		0x1600,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPSPI5,		"lpspi5_root",		0x1680,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPSPI6,		"lpspi6_root",		0x1700,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPSPI7,		"lpspi7_root",		0x1780,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_LPSPI8,		"lpspi8_root",		0x1800,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_I3C1,		"i3c1_root",		0x1880,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_I3C2,		"i3c2_root",		0x1900,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_USDHC1,		"usdhc1_root",		0x1980,	FAST_SEL, },
+	{ IMX93_CLK_USDHC2,		"usdhc2_root",		0x1a00,	FAST_SEL, },
+	{ IMX93_CLK_USDHC3,		"usdhc3_root",		0x1a80,	FAST_SEL, },
+	{ IMX93_CLK_SAI1,		"sai1_root",		0x1b00,	AUDIO_SEL, },
+	{ IMX93_CLK_SAI2,		"sai2_root",		0x1b80,	AUDIO_SEL, },
+	{ IMX93_CLK_SAI3,		"sai3_root",		0x1c00,	AUDIO_SEL, },
+	{ IMX93_CLK_CCM_CKO1,		"ccm_cko1_root",	0x1c80,	CKO1_SEL, },
+	{ IMX93_CLK_CCM_CKO2,		"ccm_cko2_root",	0x1d00,	CKO2_SEL, },
+	{ IMX93_CLK_CCM_CKO3,		"ccm_cko3_root",	0x1d80,	CKO1_SEL, },
+	{ IMX93_CLK_CCM_CKO4,		"ccm_cko4_root",	0x1e00,	CKO2_SEL, },
+	/*
+	 * Critical because clk is used for handshake between HSIOMIX and NICMIX when
+	 * NICMIX power down/on during system suspend/resume
+	 */
+	{ IMX93_CLK_HSIO,		"hsio_root",		0x1e80,	LOW_SPEED_IO_SEL, CLK_IS_CRITICAL},
+	{ IMX93_CLK_HSIO_USB_TEST_60M,	"hsio_usb_test_60m_root", 0x1f00, LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_HSIO_ACSCAN_80M,	"hsio_acscan_80m_root",	0x1f80,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_HSIO_ACSCAN_480M,	"hsio_acscan_480m_root", 0x2000, MISC_SEL, },
+	{ IMX93_CLK_NIC_AXI,		"nic_axi_root",		0x2080, FAST_SEL, CLK_IS_CRITICAL, },
+	{ IMX93_CLK_ML_APB,		"ml_apb_root",		0x2180,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_ML,			"ml_root",		0x2200,	FAST_SEL, },
+	{ IMX93_CLK_MEDIA_AXI,		"media_axi_root",	0x2280,	FAST_SEL, },
+	{ IMX93_CLK_MEDIA_APB,		"media_apb_root",	0x2300,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_MEDIA_LDB,		"media_ldb_root",	0x2380,	VIDEO_SEL, },
+	{ IMX93_CLK_MEDIA_DISP_PIX,	"media_disp_pix_root",	0x2400,	VIDEO_SEL, },
+	{ IMX93_CLK_CAM_PIX,		"cam_pix_root",		0x2480,	VIDEO_SEL, },
+	{ IMX93_CLK_MIPI_TEST_BYTE,	"mipi_test_byte_root",	0x2500,	VIDEO_SEL, },
+	{ IMX93_CLK_MIPI_PHY_CFG,	"mipi_phy_cfg_root",	0x2580,	VIDEO_SEL, },
+	{ IMX93_CLK_ADC,		"adc_root",		0x2700,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_PDM,		"pdm_root",		0x2780,	AUDIO_SEL, },
+	{ IMX93_CLK_TSTMR1,		"tstmr1_root",		0x2800,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_TSTMR2,		"tstmr2_root",		0x2880,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_MQS1,		"mqs1_root",		0x2900,	AUDIO_SEL, },
+	{ IMX93_CLK_MQS2,		"mqs2_root",		0x2980,	AUDIO_SEL, },
+	{ IMX93_CLK_AUDIO_XCVR,		"audio_xcvr_root",	0x2a00,	NON_IO_SEL, },
+	{ IMX93_CLK_SPDIF,		"spdif_root",		0x2a80,	AUDIO_SEL, },
+	{ IMX93_CLK_ENET,		"enet_root",		0x2b00,	NON_IO_SEL, },
+	{ IMX93_CLK_ENET_TIMER1,	"enet_timer1_root",	0x2b80,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_ENET_TIMER2,	"enet_timer2_root",	0x2c00,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_ENET_REF,		"enet_ref_root",	0x2c80,	NON_IO_SEL, },
+	{ IMX93_CLK_ENET_REF_PHY,	"enet_ref_phy_root",	0x2d00,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_I3C1_SLOW,		"i3c1_slow_root",	0x2d80,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_I3C2_SLOW,		"i3c2_slow_root",	0x2e00,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_USB_PHY_BURUNIN,	"usb_phy_root",		0x2e80,	LOW_SPEED_IO_SEL, },
+	{ IMX93_CLK_PAL_CAME_SCAN,	"pal_came_scan_root",	0x2f00,	MISC_SEL, }
+};
+
+static const struct imx93_clk_ccgr {
+	u32 clk;
+	char *name;
+	char *parent_name;
+	u32 off;
+	unsigned long flags;
+	u32 *shared_count;
+} ccgr_array[] = {
+	{ IMX93_CLK_A55_GATE,		"a55_alt",	"a55_alt_root",		0x8000, },
+	/* M33 critical clk for system run */
+	{ IMX93_CLK_CM33_GATE,		"cm33",		"m33_root",		0x8040, CLK_IS_CRITICAL },
+	{ IMX93_CLK_ADC1_GATE,		"adc1",		"adc_root",		0x82c0, },
+	{ IMX93_CLK_WDOG1_GATE,		"wdog1",	"clock-osc-24m",	0x8300, },
+	{ IMX93_CLK_WDOG2_GATE,		"wdog2",	"clock-osc-24m",	0x8340, },
+	{ IMX93_CLK_WDOG3_GATE,		"wdog3",	"clock-osc-24m",	0x8380, },
+	{ IMX93_CLK_WDOG4_GATE,		"wdog4",	"clock-osc-24m",	0x83c0, },
+	{ IMX93_CLK_WDOG5_GATE,		"wdog5",	"clock-osc-24m",	0x8400, },
+	{ IMX93_CLK_SEMA1_GATE,		"sema1",	"bus_aon_root",		0x8440, },
+	{ IMX93_CLK_SEMA2_GATE,		"sema2",	"bus_wakeup_root",	0x8480, },
+	{ IMX93_CLK_MU1_A_GATE,		"mu1_a",	"bus_aon_root",		0x84c0, CLK_IGNORE_UNUSED },
+	{ IMX93_CLK_MU2_A_GATE,		"mu2_a",	"bus_wakeup_root",	0x84c0, CLK_IGNORE_UNUSED },
+	{ IMX93_CLK_MU1_B_GATE,		"mu1_b",	"bus_aon_root",		0x8500, 0, &share_count_mub },
+	{ IMX93_CLK_MU2_B_GATE,		"mu2_b",	"bus_wakeup_root",	0x8500, 0, &share_count_mub },
+	{ IMX93_CLK_EDMA1_GATE,		"edma1",	"m33_root",		0x8540, },
+	{ IMX93_CLK_EDMA2_GATE,		"edma2",	"wakeup_axi_root",	0x8580, },
+	{ IMX93_CLK_FLEXSPI1_GATE,	"flexspi1",	"flexspi1_root",	0x8640, },
+	{ IMX93_CLK_GPIO1_GATE,		"gpio1",	"m33_root",		0x8880, },
+	{ IMX93_CLK_GPIO2_GATE,		"gpio2",	"bus_wakeup_root",	0x88c0, },
+	{ IMX93_CLK_GPIO3_GATE,		"gpio3",	"bus_wakeup_root",	0x8900, },
+	{ IMX93_CLK_GPIO4_GATE,		"gpio4",	"bus_wakeup_root",	0x8940, },
+	{ IMX93_CLK_FLEXIO1_GATE,	"flexio1",	"flexio1_root",		0x8980, },
+	{ IMX93_CLK_FLEXIO2_GATE,	"flexio2",	"flexio2_root",		0x89c0, },
+	{ IMX93_CLK_LPIT1_GATE,		"lpit1",	"bus_aon_root",		0x8a00, },
+	{ IMX93_CLK_LPIT2_GATE,		"lpit2",	"bus_wakeup_root",	0x8a40, },
+	{ IMX93_CLK_LPTMR1_GATE,	"lptmr1",	"lptmr1_root",		0x8a80, },
+	{ IMX93_CLK_LPTMR2_GATE,	"lptmr2",	"lptmr2_root",		0x8ac0, },
+	{ IMX93_CLK_TPM1_GATE,		"tpm1",		"bus_aon_root",		0x8b00, },
+	{ IMX93_CLK_TPM2_GATE,		"tpm2",		"tpm2_root",		0x8b40, },
+	{ IMX93_CLK_TPM3_GATE,		"tpm3",		"bus_wakeup_root",	0x8b80, },
+	{ IMX93_CLK_TPM4_GATE,		"tpm4",		"tpm4_root",		0x8bc0, },
+	{ IMX93_CLK_TPM5_GATE,		"tpm5",		"tpm5_root",		0x8c00, },
+	{ IMX93_CLK_TPM6_GATE,		"tpm6",		"tpm6_root",		0x8c40, },
+	{ IMX93_CLK_CAN1_GATE,		"can1",		"can1_root",		0x8c80, },
+	{ IMX93_CLK_CAN2_GATE,		"can2",		"can2_root",		0x8cc0, },
+	{ IMX93_CLK_LPUART1_GATE,	"lpuart1",	"lpuart1_root",		0x8d00, },
+	{ IMX93_CLK_LPUART2_GATE,	"lpuart2",	"lpuart2_root",		0x8d40, },
+	{ IMX93_CLK_LPUART3_GATE,	"lpuart3",	"lpuart3_root",		0x8d80, },
+	{ IMX93_CLK_LPUART4_GATE,	"lpuart4",	"lpuart4_root",		0x8dc0, },
+	{ IMX93_CLK_LPUART5_GATE,	"lpuart5",	"lpuart5_root",		0x8e00, },
+	{ IMX93_CLK_LPUART6_GATE,	"lpuart6",	"lpuart6_root",		0x8e40, },
+	{ IMX93_CLK_LPUART7_GATE,	"lpuart7",	"lpuart7_root",		0x8e80, },
+	{ IMX93_CLK_LPUART8_GATE,	"lpuart8",	"lpuart8_root",		0x8ec0, },
+	{ IMX93_CLK_LPI2C1_GATE,	"lpi2c1",	"lpi2c1_root",		0x8f00, },
+	{ IMX93_CLK_LPI2C2_GATE,	"lpi2c2",	"lpi2c2_root",		0x8f40, },
+	{ IMX93_CLK_LPI2C3_GATE,	"lpi2c3",	"lpi2c3_root",		0x8f80, },
+	{ IMX93_CLK_LPI2C4_GATE,	"lpi2c4",	"lpi2c4_root",		0x8fc0, },
+	{ IMX93_CLK_LPI2C5_GATE,	"lpi2c5",	"lpi2c5_root",		0x9000, },
+	{ IMX93_CLK_LPI2C6_GATE,	"lpi2c6",	"lpi2c6_root",		0x9040, },
+	{ IMX93_CLK_LPI2C7_GATE,	"lpi2c7",	"lpi2c7_root",		0x9080, },
+	{ IMX93_CLK_LPI2C8_GATE,	"lpi2c8",	"lpi2c8_root",		0x90c0, },
+	{ IMX93_CLK_LPSPI1_GATE,	"lpspi1",	"lpspi1_root",		0x9100, },
+	{ IMX93_CLK_LPSPI2_GATE,	"lpspi2",	"lpspi2_root",		0x9140, },
+	{ IMX93_CLK_LPSPI3_GATE,	"lpspi3",	"lpspi3_root",		0x9180, },
+	{ IMX93_CLK_LPSPI4_GATE,	"lpspi4",	"lpspi4_root",		0x91c0, },
+	{ IMX93_CLK_LPSPI5_GATE,	"lpspi5",	"lpspi5_root",		0x9200, },
+	{ IMX93_CLK_LPSPI6_GATE,	"lpspi6",	"lpspi6_root",		0x9240, },
+	{ IMX93_CLK_LPSPI7_GATE,	"lpspi7",	"lpspi7_root",		0x9280, },
+	{ IMX93_CLK_LPSPI8_GATE,	"lpspi8",	"lpspi8_root",		0x92c0, },
+	{ IMX93_CLK_I3C1_GATE,		"i3c1",		"i3c1_root",		0x9300, },
+	{ IMX93_CLK_I3C2_GATE,		"i3c2",		"i3c2_root",		0x9340, },
+	{ IMX93_CLK_USDHC1_GATE,	"usdhc1",	"usdhc1_root",		0x9380, },
+	{ IMX93_CLK_USDHC2_GATE,	"usdhc2",	"usdhc2_root",		0x93c0, },
+	{ IMX93_CLK_USDHC3_GATE,	"usdhc3",	"usdhc3_root",		0x9400, },
+	{ IMX93_CLK_SAI1_GATE,          "sai1",         "sai1_root",            0x9440, 0, &share_count_sai1},
+	{ IMX93_CLK_SAI1_IPG,		"sai1_ipg_clk", "bus_aon_root",		0x9440, 0, &share_count_sai1},
+	{ IMX93_CLK_SAI2_GATE,          "sai2",         "sai2_root",            0x9480, 0, &share_count_sai2},
+	{ IMX93_CLK_SAI2_IPG,		"sai2_ipg_clk", "bus_wakeup_root",	0x9480, 0, &share_count_sai2},
+	{ IMX93_CLK_SAI3_GATE,          "sai3",         "sai3_root",            0x94c0, 0, &share_count_sai3},
+	{ IMX93_CLK_SAI3_IPG,		"sai3_ipg_clk", "bus_wakeup_root",	0x94c0, 0, &share_count_sai3},
+	{ IMX93_CLK_MIPI_CSI_GATE,	"mipi_csi",	"media_apb_root",	0x9580, },
+	{ IMX93_CLK_MIPI_DSI_GATE,	"mipi_dsi",	"media_apb_root",	0x95c0, },
+	{ IMX93_CLK_LVDS_GATE,		"lvds",		"media_ldb_root",	0x9600, },
+	{ IMX93_CLK_LCDIF_GATE,		"lcdif",	"media_apb_root",	0x9640, },
+	{ IMX93_CLK_PXP_GATE,		"pxp",		"media_apb_root",	0x9680, },
+	{ IMX93_CLK_ISI_GATE,		"isi",		"media_apb_root",	0x96c0, },
+	{ IMX93_CLK_NIC_MEDIA_GATE,	"nic_media",	"media_axi_root",	0x9700, },
+	{ IMX93_CLK_USB_CONTROLLER_GATE, "usb_controller", "hsio_root",		0x9a00, },
+	{ IMX93_CLK_USB_TEST_60M_GATE,	"usb_test_60m",	"hsio_usb_test_60m_root", 0x9a40, },
+	{ IMX93_CLK_HSIO_TROUT_24M_GATE, "hsio_trout_24m", "clock-osc-24m",	0x9a80, },
+	{ IMX93_CLK_PDM_GATE,		"pdm",		"pdm_root",		0x9ac0, },
+	{ IMX93_CLK_MQS1_GATE,		"mqs1",		"sai1_root",		0x9b00, },
+	{ IMX93_CLK_MQS2_GATE,		"mqs2",		"sai3_root",		0x9b40, },
+	{ IMX93_CLK_AUD_XCVR_GATE,	"aud_xcvr",	"audio_xcvr_root",	0x9b80, },
+	{ IMX93_CLK_SPDIF_GATE,		"spdif",	"spdif_root",		0x9c00, },
+	{ IMX93_CLK_HSIO_32K_GATE,	"hsio_32k",	"clock-osc-24m",	0x9dc0, },
+	{ IMX93_CLK_ENET1_GATE,		"enet1",	"wakeup_axi_root",	0x9e00, },
+	{ IMX93_CLK_ENET_QOS_GATE,	"enet_qos",	"wakeup_axi_root",	0x9e40, },
+	/* Critical because clk accessed during CPU idle */
+	{ IMX93_CLK_SYS_CNT_GATE,	"sys_cnt",	"clock-osc-24m",	0x9e80, CLK_IS_CRITICAL},
+	{ IMX93_CLK_TSTMR1_GATE,	"tstmr1",	"bus_aon_root",		0x9ec0, },
+	{ IMX93_CLK_TSTMR2_GATE,	"tstmr2",	"bus_wakeup_root",	0x9f00, },
+	{ IMX93_CLK_TMC_GATE,		"tmc",		"clock-osc-24m",	0x9f40, },
+	{ IMX93_CLK_PMRO_GATE,		"pmro",		"clock-osc-24m",	0x9f80, }
+};
+
+static int imx93_clk_probe(struct udevice *dev)
+{
+	const struct imx93_clk_root *root;
+	const struct imx93_clk_ccgr *ccgr;
+	struct clk osc_24m_clk, osc_32k_clk, ext1_clk;
+	void __iomem *base, *anatop_base;
+	int i, ret;
+
+	clk_dm(IMX93_CLK_DUMMY, clk_register_fixed_rate(NULL, "dummy", 0UL));
+
+	ret = clk_get_by_name(dev, "osc_24m", &osc_24m_clk);
+	if (ret)
+		return ret;
+	clk_dm(IMX93_CLK_24M, dev_get_clk_ptr(osc_24m_clk.dev));
+
+	ret = clk_get_by_name(dev, "osc_32k", &osc_32k_clk);
+	if (ret)
+		return ret;
+	clk_dm(IMX93_CLK_32K, dev_get_clk_ptr(osc_32k_clk.dev));
+
+	ret = clk_get_by_name(dev, "clk_ext1", &ext1_clk);
+	if (ret)
+		return ret;
+	clk_dm(IMX93_CLK_EXT1, dev_get_clk_ptr(ext1_clk.dev));
+
+	clk_dm(IMX93_CLK_SYS_PLL_PFD0,
+	       clk_register_fixed_rate(NULL, "sys_pll_pfd0", 1000000000));
+	clk_dm(IMX93_CLK_SYS_PLL_PFD0_DIV2,
+	       imx_clk_fixed_factor("sys_pll_pfd0_div2", "sys_pll_pfd0", 1, 2));
+	clk_dm(IMX93_CLK_SYS_PLL_PFD1,
+	       clk_register_fixed_rate(NULL, "sys_pll_pfd1", 800000000));
+	clk_dm(IMX93_CLK_SYS_PLL_PFD1_DIV2,
+	       imx_clk_fixed_factor("sys_pll_pfd1_div2", "sys_pll_pfd1", 1, 2));
+	clk_dm(IMX93_CLK_SYS_PLL_PFD2,
+	       clk_register_fixed_rate(NULL, "sys_pll_pfd2", 625000000));
+	clk_dm(IMX93_CLK_SYS_PLL_PFD2_DIV2,
+	       imx_clk_fixed_factor("sys_pll_pfd2_div2", "sys_pll_pfd2", 1, 2));
+
+	base = (void *)ANATOP_BASE_ADDR;
+
+	clk_dm(IMX93_CLK_ARM_PLL,
+	       imx_clk_fracn_gppll_integer("arm_pll", "clock-osc-24m",
+					   anatop_base + 0x1000,
+					   &imx_fracn_gppll_integer));
+	clk_dm(IMX93_CLK_AUDIO_PLL,
+	       imx_clk_fracn_gppll("audio_pll", "clock-osc-24m",
+				   anatop_base + 0x1200, &imx_fracn_gppll));
+	clk_dm(IMX93_CLK_VIDEO_PLL,
+	       imx_clk_fracn_gppll("video_pll", "clock-osc-24m",
+				   anatop_base + 0x1400, &imx_fracn_gppll));
+
+	base = dev_read_addr_ptr(dev);
+	if (!base)
+		return -EINVAL;
+
+	for (i = 0; i < ARRAY_SIZE(root_array); i++) {
+		root = &root_array[i];
+		clk_dm(root->clk, imx93_clk_composite_flags(root->name,
+							    parent_names[root->sel],
+							    4, base + root->off, 3,
+							    root->flags));
+	}
+
+	for (i = 0; i < ARRAY_SIZE(ccgr_array); i++) {
+		ccgr = &ccgr_array[i];
+		clk_dm(ccgr->clk, imx93_clk_gate(NULL, ccgr->name, ccgr->parent_name,
+						 ccgr->flags, base + ccgr->off, 0, 1, 1, 3,
+						 ccgr->shared_count));
+	}
+
+	clk_dm(IMX93_CLK_A55_SEL,
+	       imx_clk_mux2("a55_sel", base + 0x4820, 0, 1,
+			    a55_core_sels, ARRAY_SIZE(a55_core_sels)));
+
+	return 0;
+}
+
+static const struct udevice_id imx93_clk_ids[] = {
+	{ .compatible = "fsl,imx93-ccm" },
+	{ /* Sentinel */ },
+};
+
+U_BOOT_DRIVER(imx93_clk) = {
+	.name = "clk_imx93",
+	.id = UCLASS_CLK,
+	.of_match = imx93_clk_ids,
+	.ops = &ccf_clk_ops,
+	.probe = imx93_clk_probe,
+	.flags = DM_FLAG_PRE_RELOC,
+};
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index 11f5dca..27a53ae 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -46,6 +46,34 @@
 extern struct imx_pll14xx_clk imx_1443x_pll;
 extern struct imx_pll14xx_clk imx_1443x_dram_pll;
 
+#define CLK_FRACN_GPPLL_INTEGER	BIT(0)
+#define CLK_FRACN_GPPLL_FRACN	BIT(1)
+
+/* NOTE: Rate table should be kept sorted in descending order. */
+struct imx_fracn_gppll_rate_table {
+	unsigned int rate;
+	unsigned int mfi;
+	unsigned int mfn;
+	unsigned int mfd;
+	unsigned int rdiv;
+	unsigned int odiv;
+};
+
+struct imx_fracn_gppll_clk {
+	const struct imx_fracn_gppll_rate_table *rate_table;
+	int rate_count;
+	int flags;
+};
+
+struct clk *imx_clk_fracn_gppll(const char *name, const char *parent_name, void __iomem *base,
+				const struct imx_fracn_gppll_clk *pll_clk);
+struct clk *imx_clk_fracn_gppll_integer(const char *name, const char *parent_name,
+					void __iomem *base,
+					const struct imx_fracn_gppll_clk *pll_clk);
+
+extern struct imx_fracn_gppll_clk imx_fracn_gppll;
+extern struct imx_fracn_gppll_clk imx_fracn_gppll_integer;
+
 struct clk *imx_clk_pll14xx(const char *name, const char *parent_name,
 			    void __iomem *base,
 			    const struct imx_pll14xx_clk *pll_clk);
@@ -224,4 +252,18 @@
 #define imx8m_clk_composite_critical(name, parent_names, reg) \
 	__imx8m_clk_composite(name, parent_names, reg, CLK_IS_CRITICAL)
 
+struct clk *imx93_clk_composite_flags(const char *name,
+				      const char * const *parent_names,
+				      int num_parents,
+				      void __iomem *reg,
+				      u32 domain_id,
+				      unsigned long flags);
+#define imx93_clk_composite(name, parent_names, num_parents, reg, domain_id) \
+	imx93_clk_composite_flags(name, parent_names, num_parents, reg, domain_id \
+				  CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
+
+struct clk *imx93_clk_gate(struct device *dev, const char *name, const char *parent_name,
+			   unsigned long flags, void __iomem *reg, u32 bit_idx, u32 val,
+			   u32 mask, u32 domain_id, unsigned int *share_count);
+
 #endif /* __MACH_IMX_CLK_H */
diff --git a/include/dt-bindings/clock/imx93-clock.h b/include/dt-bindings/clock/imx93-clock.h
index 8e02859..35a1f62 100644
--- a/include/dt-bindings/clock/imx93-clock.h
+++ b/include/dt-bindings/clock/imx93-clock.h
@@ -199,6 +199,10 @@
 #define IMX93_CLK_MU1_B_GATE		194
 #define IMX93_CLK_MU2_A_GATE		195
 #define IMX93_CLK_MU2_B_GATE		196
-#define IMX93_CLK_END			197
+#define IMX93_CLK_NIC_AXI		197
+#define IMX93_CLK_ARM_PLL		198
+#define IMX93_CLK_A55_SEL		199
+#define IMX93_CLK_A55_CORE		200
+#define IMX93_CLK_END			201
 
 #endif