Merge tag 'imx7ulp-dt-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

i.MX7ULP device tree for 4.21:
 - It includes the initial device tree for i.MX7ULP SoC and EVK board
   support.

* tag 'imx7ulp-dt-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx: add imx7ulp evk support
  ARM: dts: imx: add common imx7ulp dtsi support
  dt-bindings: fsl: add imx7ulp pm related components bindings
  dt-bindings: fsl: add compatible for imx7ulp evk
  clk: imx: add imx7ulp clk driver
  clk: imx: implement new clk_hw based APIs
  clk: imx: make mux parent strings const
  dt-bindings: clock: add imx7ulp clock binding doc
  clk: imx: add imx7ulp composite clk support
  clk: imx: add pfdv2 support
  clk: imx: add pllv4 support
  clk: fractional-divider: add CLK_FRAC_DIVIDER_ZERO_BASED flag support
  clk: imx: add gatable clock divider support

Signed-off-by: Olof Johansson <olof@lixom.net>

11 files changed, 1044 insertions, 10 deletions

diff --git a/drivers/clk/clk-fractional-divider.c b/drivers/clk/clk-fractional-divider.c
index fdf625fb10fa..7ccde6bd8dd5 100644
--- a/drivers/clk/clk-fractional-divider.c
+++ b/drivers/clk/clk-fractional-divider.c
@@ -40,6 +40,11 @@ static unsigned long clk_fd_recalc_rate(struct clk_hw *hw,
 	m = (val & fd->mmask) >> fd->mshift;
 	n = (val & fd->nmask) >> fd->nshift;
 
+	if (fd->flags & CLK_FRAC_DIVIDER_ZERO_BASED) {
+		m++;
+		n++;
+	}
+
 	if (!n || !m)
 		return parent_rate;
 
@@ -103,6 +108,11 @@ static int clk_fd_set_rate(struct clk_hw *hw, unsigned long rate,
 			GENMASK(fd->mwidth - 1, 0), GENMASK(fd->nwidth - 1, 0),
 			&m, &n);
 
+	if (fd->flags & CLK_FRAC_DIVIDER_ZERO_BASED) {
+		m--;
+		n--;
+	}
+
 	if (fd->lock)
 		spin_lock_irqsave(fd->lock, flags);
 	else
diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
index 8c3baa7e6496..615b413c5681 100644
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile
@@ -4,6 +4,8 @@ obj-y += \
 	clk.o \
 	clk-busy.o \
 	clk-cpu.o \
+	clk-composite-7ulp.o \
+	clk-divider-gate.o \
 	clk-fixup-div.o \
 	clk-fixup-mux.o \
 	clk-gate-exclusive.o \
@@ -11,7 +13,9 @@ obj-y += \
 	clk-pllv1.o \
 	clk-pllv2.o \
 	clk-pllv3.o \
-	clk-pfd.o
+	clk-pllv4.o \
+	clk-pfd.o \
+	clk-pfdv2.o
 
 obj-$(CONFIG_SOC_IMX1)   += clk-imx1.o
 obj-$(CONFIG_SOC_IMX21)  += clk-imx21.o
@@ -26,4 +30,5 @@ obj-$(CONFIG_SOC_IMX6SLL) += clk-imx6sll.o
 obj-$(CONFIG_SOC_IMX6SX) += clk-imx6sx.o
 obj-$(CONFIG_SOC_IMX6UL) += clk-imx6ul.o
 obj-$(CONFIG_SOC_IMX7D)  += clk-imx7d.o
+obj-$(CONFIG_SOC_IMX7ULP) += clk-imx7ulp.o
 obj-$(CONFIG_SOC_VF610)  += clk-vf610.o
diff --git a/drivers/clk/imx/clk-busy.c b/drivers/clk/imx/clk-busy.c
index 99036527eb0d..e695622c5aa5 100644
--- a/drivers/clk/imx/clk-busy.c
+++ b/drivers/clk/imx/clk-busy.c
@@ -154,7 +154,7 @@ static const struct clk_ops clk_busy_mux_ops = {
 
 struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
 			     u8 width, void __iomem *busy_reg, u8 busy_shift,
-			     const char **parent_names, int num_parents)
+			     const char * const *parent_names, int num_parents)
 {
 	struct clk_busy_mux *busy;
 	struct clk *clk;
diff --git a/drivers/clk/imx/clk-composite-7ulp.c b/drivers/clk/imx/clk-composite-7ulp.c
new file mode 100644
index 000000000000..060f8600ea0d
--- /dev/null
+++ b/drivers/clk/imx/clk-composite-7ulp.c
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017~2018 NXP
+ *
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+
+#include "clk.h"
+
+#define PCG_PCS_SHIFT	24
+#define PCG_PCS_MASK	0x7
+#define PCG_CGC_SHIFT	30
+#define PCG_FRAC_SHIFT	3
+#define PCG_FRAC_WIDTH	1
+#define PCG_FRAC_MASK	BIT(3)
+#define PCG_PCD_SHIFT	0
+#define PCG_PCD_WIDTH	3
+#define PCG_PCD_MASK	0x7
+
+struct clk_hw *imx7ulp_clk_composite(const char *name,
+				     const char * const *parent_names,
+				     int num_parents, bool mux_present,
+				     bool rate_present, bool gate_present,
+				     void __iomem *reg)
+{
+	struct clk_hw *mux_hw = NULL, *fd_hw = NULL, *gate_hw = NULL;
+	struct clk_fractional_divider *fd = NULL;
+	struct clk_gate *gate = NULL;
+	struct clk_mux *mux = NULL;
+	struct clk_hw *hw;
+
+	if (mux_present) {
+		mux = kzalloc(sizeof(*mux), GFP_KERNEL);
+		if (!mux)
+			return ERR_PTR(-ENOMEM);
+		mux_hw = &mux->hw;
+		mux->reg = reg;
+		mux->shift = PCG_PCS_SHIFT;
+		mux->mask = PCG_PCS_MASK;
+	}
+
+	if (rate_present) {
+		fd = kzalloc(sizeof(*fd), GFP_KERNEL);
+		if (!fd) {
+			kfree(mux);
+			return ERR_PTR(-ENOMEM);
+		}
+		fd_hw = &fd->hw;
+		fd->reg = reg;
+		fd->mshift = PCG_FRAC_SHIFT;
+		fd->mwidth = PCG_FRAC_WIDTH;
+		fd->mmask  = PCG_FRAC_MASK;
+		fd->nshift = PCG_PCD_SHIFT;
+		fd->nwidth = PCG_PCD_WIDTH;
+		fd->nmask = PCG_PCD_MASK;
+		fd->flags = CLK_FRAC_DIVIDER_ZERO_BASED;
+	}
+
+	if (gate_present) {
+		gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+		if (!gate) {
+			kfree(mux);
+			kfree(fd);
+			return ERR_PTR(-ENOMEM);
+		}
+		gate_hw = &gate->hw;
+		gate->reg = reg;
+		gate->bit_idx = PCG_CGC_SHIFT;
+	}
+
+	hw = clk_hw_register_composite(NULL, name, parent_names, num_parents,
+				       mux_hw, &clk_mux_ops, fd_hw,
+				       &clk_fractional_divider_ops, gate_hw,
+				       &clk_gate_ops, CLK_SET_RATE_GATE |
+				       CLK_SET_PARENT_GATE);
+	if (IS_ERR(hw)) {
+		kfree(mux);
+		kfree(fd);
+		kfree(gate);
+	}
+
+	return hw;
+}
diff --git a/drivers/clk/imx/clk-divider-gate.c b/drivers/clk/imx/clk-divider-gate.c
new file mode 100644
index 000000000000..df1f8429fe16
--- /dev/null
+++ b/drivers/clk/imx/clk-divider-gate.c
@@ -0,0 +1,221 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 NXP.
+ *   Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/slab.h>
+
+#include "clk.h"
+
+struct clk_divider_gate {
+	struct clk_divider divider;
+	u32 cached_val;
+};
+
+static inline struct clk_divider_gate *to_clk_divider_gate(struct clk_hw *hw)
+{
+	struct clk_divider *div = to_clk_divider(hw);
+
+	return container_of(div, struct clk_divider_gate, divider);
+}
+
+static unsigned long clk_divider_gate_recalc_rate_ro(struct clk_hw *hw,
+						     unsigned long parent_rate)
+{
+	struct clk_divider *div = to_clk_divider(hw);
+	unsigned int val;
+
+	val = clk_readl(div->reg) >> div->shift;
+	val &= clk_div_mask(div->width);
+	if (!val)
+		return 0;
+
+	return divider_recalc_rate(hw, parent_rate, val, div->table,
+				   div->flags, div->width);
+}
+
+static unsigned long clk_divider_gate_recalc_rate(struct clk_hw *hw,
+						  unsigned long parent_rate)
+{
+	struct clk_divider_gate *div_gate = to_clk_divider_gate(hw);
+	struct clk_divider *div = to_clk_divider(hw);
+	unsigned long flags = 0;
+	unsigned int val;
+
+	spin_lock_irqsave(div->lock, flags);
+
+	if (!clk_hw_is_enabled(hw)) {
+		val = div_gate->cached_val;
+	} else {
+		val = clk_readl(div->reg) >> div->shift;
+		val &= clk_div_mask(div->width);
+	}
+
+	spin_unlock_irqrestore(div->lock, flags);
+
+	if (!val)
+		return 0;
+
+	return divider_recalc_rate(hw, parent_rate, val, div->table,
+				   div->flags, div->width);
+}
+
+static long clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
+				   unsigned long *prate)
+{
+	return clk_divider_ops.round_rate(hw, rate, prate);
+}
+
+static int clk_divider_gate_set_rate(struct clk_hw *hw, unsigned long rate,
+				unsigned long parent_rate)
+{
+	struct clk_divider_gate *div_gate = to_clk_divider_gate(hw);
+	struct clk_divider *div = to_clk_divider(hw);
+	unsigned long flags = 0;
+	int value;
+	u32 val;
+
+	value = divider_get_val(rate, parent_rate, div->table,
+				div->width, div->flags);
+	if (value < 0)
+		return value;
+
+	spin_lock_irqsave(div->lock, flags);
+
+	if (clk_hw_is_enabled(hw)) {
+		val = clk_readl(div->reg);
+		val &= ~(clk_div_mask(div->width) << div->shift);
+		val |= (u32)value << div->shift;
+		clk_writel(val, div->reg);
+	} else {
+		div_gate->cached_val = value;
+	}
+
+	spin_unlock_irqrestore(div->lock, flags);
+
+	return 0;
+}
+
+static int clk_divider_enable(struct clk_hw *hw)
+{
+	struct clk_divider_gate *div_gate = to_clk_divider_gate(hw);
+	struct clk_divider *div = to_clk_divider(hw);
+	unsigned long flags = 0;
+	u32 val;
+
+	if (!div_gate->cached_val) {
+		pr_err("%s: no valid preset rate\n", clk_hw_get_name(hw));
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(div->lock, flags);
+	/* restore div val */
+	val = clk_readl(div->reg);
+	val |= div_gate->cached_val << div->shift;
+	clk_writel(val, div->reg);
+
+	spin_unlock_irqrestore(div->lock, flags);
+
+	return 0;
+}
+
+static void clk_divider_disable(struct clk_hw *hw)
+{
+	struct clk_divider_gate *div_gate = to_clk_divider_gate(hw);
+	struct clk_divider *div = to_clk_divider(hw);
+	unsigned long flags = 0;
+	u32 val;
+
+	spin_lock_irqsave(div->lock, flags);
+
+	/* store the current div val */
+	val = clk_readl(div->reg) >> div->shift;
+	val &= clk_div_mask(div->width);
+	div_gate->cached_val = val;
+	clk_writel(0, div->reg);
+
+	spin_unlock_irqrestore(div->lock, flags);
+}
+
+static int clk_divider_is_enabled(struct clk_hw *hw)
+{
+	struct clk_divider *div = to_clk_divider(hw);
+	u32 val;
+
+	val = clk_readl(div->reg) >> div->shift;
+	val &= clk_div_mask(div->width);
+
+	return val ? 1 : 0;
+}
+
+static const struct clk_ops clk_divider_gate_ro_ops = {
+	.recalc_rate = clk_divider_gate_recalc_rate_ro,
+	.round_rate = clk_divider_round_rate,
+};
+
+static const struct clk_ops clk_divider_gate_ops = {
+	.recalc_rate = clk_divider_gate_recalc_rate,
+	.round_rate = clk_divider_round_rate,
+	.set_rate = clk_divider_gate_set_rate,
+	.enable = clk_divider_enable,
+	.disable = clk_divider_disable,
+	.is_enabled = clk_divider_is_enabled,
+};
+
+/*
+ * NOTE: In order to resue the most code from the common divider,
+ * we also design our divider following the way that provids an extra
+ * clk_divider_flags, however it's fixed to CLK_DIVIDER_ONE_BASED by
+ * default as our HW is. Besides that it supports only CLK_DIVIDER_READ_ONLY
+ * flag which can be specified by user flexibly.
+ */
+struct clk_hw *imx_clk_divider_gate(const char *name, const char *parent_name,
+				    unsigned long flags, void __iomem *reg,
+				    u8 shift, u8 width, u8 clk_divider_flags,
+				    const struct clk_div_table *table,
+				    spinlock_t *lock)
+{
+	struct clk_init_data init;
+	struct clk_divider_gate *div_gate;
+	struct clk_hw *hw;
+	u32 val;
+	int ret;
+
+	div_gate  = kzalloc(sizeof(*div_gate), GFP_KERNEL);
+	if (!div_gate)
+		return ERR_PTR(-ENOMEM);
+
+	init.name = name;
+	if (clk_divider_flags & CLK_DIVIDER_READ_ONLY)
+		init.ops = &clk_divider_gate_ro_ops;
+	else
+		init.ops = &clk_divider_gate_ops;
+	init.flags = flags;
+	init.parent_names = parent_name ? &parent_name : NULL;
+	init.num_parents = parent_name ? 1 : 0;
+
+	div_gate->divider.reg = reg;
+	div_gate->divider.shift = shift;
+	div_gate->divider.width = width;
+	div_gate->divider.lock = lock;
+	div_gate->divider.table = table;
+	div_gate->divider.hw.init = &init;
+	div_gate->divider.flags = CLK_DIVIDER_ONE_BASED | clk_divider_flags;
+	/* cache gate status */
+	val = clk_readl(reg) >> shift;
+	val &= clk_div_mask(width);
+	div_gate->cached_val = val;
+
+	hw = &div_gate->divider.hw;
+	ret = clk_hw_register(NULL, hw);
+	if (ret) {
+		kfree(div_gate);
+		hw = ERR_PTR(ret);
+	}
+
+	return hw;
+}
diff --git a/drivers/clk/imx/clk-fixup-mux.c b/drivers/clk/imx/clk-fixup-mux.c
index c9b327e0a8dd..44817c1b0b88 100644
--- a/drivers/clk/imx/clk-fixup-mux.c
+++ b/drivers/clk/imx/clk-fixup-mux.c
@@ -70,7 +70,7 @@ static const struct clk_ops clk_fixup_mux_ops = {
 };
 
 struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg,
-			      u8 shift, u8 width, const char **parents,
+			      u8 shift, u8 width, const char * const *parents,
 			      int num_parents, void (*fixup)(u32 *val))
 {
 	struct clk_fixup_mux *fixup_mux;
diff --git a/drivers/clk/imx/clk-imx7ulp.c b/drivers/clk/imx/clk-imx7ulp.c
new file mode 100644
index 000000000000..3b7507ff7869
--- /dev/null
+++ b/drivers/clk/imx/clk-imx7ulp.c
@@ -0,0 +1,220 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017~2018 NXP
+ *
+ * Author: Dong Aisheng <aisheng.dong@nxp.com>
+ *
+ */
+
+#include <dt-bindings/clock/imx7ulp-clock.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include "clk.h"
+
+static const char * const pll_pre_sels[]	= { "sosc", "firc", };
+static const char * const spll_pfd_sels[]	= { "spll_pfd0", "spll_pfd1", "spll_pfd2", "spll_pfd3", };
+static const char * const spll_sels[]		= { "spll", "spll_pfd_sel", };
+static const char * const apll_pfd_sels[]	= { "apll_pfd0", "apll_pfd1", "apll_pfd2", "apll_pfd3", };
+static const char * const apll_sels[]		= { "apll", "apll_pfd_sel", };
+static const char * const scs_sels[]		= { "dummy", "sosc", "sirc", "firc", "dummy", "apll_sel", "spll_sel", "upll", };
+static const char * const ddr_sels[]		= { "apll_pfd_sel", "upll", };
+static const char * const nic_sels[]		= { "firc", "ddr_clk", };
+static const char * const periph_plat_sels[]	= { "dummy", "nic1_bus_clk", "nic1_clk", "ddr_clk", "apll_pfd2", "apll_pfd1", "apll_pfd0", "upll", };
+static const char * const periph_bus_sels[]	= { "dummy", "sosc_bus_clk", "mpll", "firc_bus_clk", "rosc", "nic1_bus_clk", "nic1_clk", "spll_bus_clk", };
+
+/* used by sosc/sirc/firc/ddr/spll/apll dividers */
+static const struct clk_div_table ulp_div_table[] = {
+	{ .val = 1, .div = 1, },
+	{ .val = 2, .div = 2, },
+	{ .val = 3, .div = 4, },
+	{ .val = 4, .div = 8, },
+	{ .val = 5, .div = 16, },
+	{ .val = 6, .div = 32, },
+	{ .val = 7, .div = 64, },
+};
+
+static void __init imx7ulp_clk_scg1_init(struct device_node *np)
+{
+	struct clk_hw_onecell_data *clk_data;
+	struct clk_hw **clks;
+	void __iomem *base;
+
+	clk_data = kzalloc(sizeof(*clk_data) + sizeof(*clk_data->hws) *
+			   IMX7ULP_CLK_SCG1_END, GFP_KERNEL);
+	if (!clk_data)
+		return;
+
+	clk_data->num = IMX7ULP_CLK_SCG1_END;
+	clks = clk_data->hws;
+
+	clks[IMX7ULP_CLK_DUMMY]		= imx_clk_hw_fixed("dummy", 0);
+
+	clks[IMX7ULP_CLK_ROSC]		= imx_obtain_fixed_clk_hw(np, "rosc");
+	clks[IMX7ULP_CLK_SOSC]		= imx_obtain_fixed_clk_hw(np, "sosc");
+	clks[IMX7ULP_CLK_SIRC]		= imx_obtain_fixed_clk_hw(np, "sirc");
+	clks[IMX7ULP_CLK_FIRC]		= imx_obtain_fixed_clk_hw(np, "firc");
+	clks[IMX7ULP_CLK_MIPI_PLL]	= imx_obtain_fixed_clk_hw(np, "mpll");
+	clks[IMX7ULP_CLK_UPLL]		= imx_obtain_fixed_clk_hw(np, "upll");
+
+	/* SCG1 */
+	base = of_iomap(np, 0);
+	WARN_ON(!base);
+
+	/* NOTE: xPLL config can't be changed when xPLL is enabled */
+	clks[IMX7ULP_CLK_APLL_PRE_SEL]	= imx_clk_hw_mux_flags("apll_pre_sel", base + 0x508, 0, 1, pll_pre_sels, ARRAY_SIZE(pll_pre_sels), CLK_SET_PARENT_GATE);
+	clks[IMX7ULP_CLK_SPLL_PRE_SEL]	= imx_clk_hw_mux_flags("spll_pre_sel", base + 0x608, 0, 1, pll_pre_sels, ARRAY_SIZE(pll_pre_sels), CLK_SET_PARENT_GATE);
+
+	/*							   name		    parent_name	   reg			shift	width	flags */
+	clks[IMX7ULP_CLK_APLL_PRE_DIV]	= imx_clk_hw_divider_flags("apll_pre_div", "apll_pre_sel", base + 0x508,	8,	3,	CLK_SET_RATE_GATE);
+	clks[IMX7ULP_CLK_SPLL_PRE_DIV]	= imx_clk_hw_divider_flags("spll_pre_div", "spll_pre_sel", base + 0x608,	8,	3,	CLK_SET_RATE_GATE);
+
+	/*						name	 parent_name	 base */
+	clks[IMX7ULP_CLK_APLL]		= imx_clk_pllv4("apll",  "apll_pre_div", base + 0x500);
+	clks[IMX7ULP_CLK_SPLL]		= imx_clk_pllv4("spll",  "spll_pre_div", base + 0x600);
+
+	/* APLL PFDs */
+	clks[IMX7ULP_CLK_APLL_PFD0]	= imx_clk_pfdv2("apll_pfd0", "apll", base + 0x50c, 0);
+	clks[IMX7ULP_CLK_APLL_PFD1]	= imx_clk_pfdv2("apll_pfd1", "apll", base + 0x50c, 1);
+	clks[IMX7ULP_CLK_APLL_PFD2]	= imx_clk_pfdv2("apll_pfd2", "apll", base + 0x50c, 2);
+	clks[IMX7ULP_CLK_APLL_PFD3]	= imx_clk_pfdv2("apll_pfd3", "apll", base + 0x50c, 3);
+
+	/* SPLL PFDs */
+	clks[IMX7ULP_CLK_SPLL_PFD0]	= imx_clk_pfdv2("spll_pfd0", "spll", base + 0x60C, 0);
+	clks[IMX7ULP_CLK_SPLL_PFD1]	= imx_clk_pfdv2("spll_pfd1", "spll", base + 0x60C, 1);
+	clks[IMX7ULP_CLK_SPLL_PFD2]	= imx_clk_pfdv2("spll_pfd2", "spll", base + 0x60C, 2);
+	clks[IMX7ULP_CLK_SPLL_PFD3]	= imx_clk_pfdv2("spll_pfd3", "spll", base + 0x60C, 3);
+
+	/* PLL Mux */
+	clks[IMX7ULP_CLK_APLL_PFD_SEL]	= imx_clk_hw_mux_flags("apll_pfd_sel", base + 0x508, 14, 2, apll_pfd_sels, ARRAY_SIZE(apll_pfd_sels), CLK_SET_RATE_PARENT | CLK_SET_PARENT_GATE);
+	clks[IMX7ULP_CLK_SPLL_PFD_SEL]	= imx_clk_hw_mux_flags("spll_pfd_sel", base + 0x608, 14, 2, spll_pfd_sels, ARRAY_SIZE(spll_pfd_sels), CLK_SET_RATE_PARENT | CLK_SET_PARENT_GATE);
+	clks[IMX7ULP_CLK_APLL_SEL]	= imx_clk_hw_mux_flags("apll_sel", base + 0x508, 1, 1, apll_sels, ARRAY_SIZE(apll_sels), CLK_SET_RATE_PARENT | CLK_SET_PARENT_GATE);
+	clks[IMX7ULP_CLK_SPLL_SEL]	= imx_clk_hw_mux_flags("spll_sel", base + 0x608, 1, 1, spll_sels, ARRAY_SIZE(spll_sels), CLK_SET_RATE_PARENT | CLK_SET_PARENT_GATE);
+
+	clks[IMX7ULP_CLK_SPLL_BUS_CLK]	= imx_clk_divider_gate("spll_bus_clk", "spll_sel", CLK_SET_RATE_GATE, base + 0x604, 8, 3, 0, ulp_div_table, &imx_ccm_lock);
+
+	/* scs/ddr/nic select different clock source requires that clock to be enabled first */
+	clks[IMX7ULP_CLK_SYS_SEL]	= imx_clk_hw_mux2("scs_sel", base + 0x14, 24, 4, scs_sels, ARRAY_SIZE(scs_sels));
+	clks[IMX7ULP_CLK_NIC_SEL]	= imx_clk_hw_mux2("nic_sel", base + 0x40, 28, 1, nic_sels, ARRAY_SIZE(nic_sels));
+	clks[IMX7ULP_CLK_DDR_SEL]	= imx_clk_hw_mux_flags("ddr_sel", base + 0x30, 24, 1, ddr_sels, ARRAY_SIZE(ddr_sels), CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE);
+
+	clks[IMX7ULP_CLK_CORE_DIV]	= imx_clk_hw_divider_flags("divcore",	"scs_sel",  base + 0x14, 16, 4, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
+
+	clks[IMX7ULP_CLK_DDR_DIV]	= imx_clk_divider_gate("ddr_clk", "ddr_sel", CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, base + 0x30, 0, 3,
+							       0, ulp_div_table, &imx_ccm_lock);
+
+	clks[IMX7ULP_CLK_NIC0_DIV]	= imx_clk_hw_divider_flags("nic0_clk",		"nic_sel",  base + 0x40, 24, 4, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
+	clks[IMX7ULP_CLK_NIC1_DIV]	= imx_clk_hw_divider_flags("nic1_clk",		"nic0_clk", base + 0x40, 16, 4, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
+	clks[IMX7ULP_CLK_NIC1_BUS_DIV]	= imx_clk_hw_divider_flags("nic1_bus_clk",	"nic1_clk", base + 0x40, 4,  4, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
+
+	clks[IMX7ULP_CLK_GPU_DIV]	= imx_clk_hw_divider("gpu_clk", "nic0_clk", base + 0x40, 20, 4);
+
+	clks[IMX7ULP_CLK_SOSC_BUS_CLK]	= imx_clk_divider_gate("sosc_bus_clk", "sosc", 0, base + 0x104, 8, 3,
+							       CLK_DIVIDER_READ_ONLY, ulp_div_table, &imx_ccm_lock);
+	clks[IMX7ULP_CLK_FIRC_BUS_CLK]	= imx_clk_divider_gate("firc_bus_clk", "firc", 0, base + 0x304, 8, 3,
+							       CLK_DIVIDER_READ_ONLY, ulp_div_table, &imx_ccm_lock);
+
+	imx_check_clk_hws(clks, clk_data->num);
+
+	of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data);
+}
+CLK_OF_DECLARE(imx7ulp_clk_scg1, "fsl,imx7ulp-scg1", imx7ulp_clk_scg1_init);
+
+static void __init imx7ulp_clk_pcc2_init(struct device_node *np)
+{
+	struct clk_hw_onecell_data *clk_data;
+	struct clk_hw **clks;
+	void __iomem *base;
+
+	clk_data = kzalloc(sizeof(*clk_data) + sizeof(*clk_data->hws) *
+			   IMX7ULP_CLK_PCC2_END, GFP_KERNEL);
+	if (!clk_data)
+		return;
+
+	clk_data->num = IMX7ULP_CLK_PCC2_END;
+	clks = clk_data->hws;
+
+	/* PCC2 */
+	base = of_iomap(np, 0);
+	WARN_ON(!base);
+
+	clks[IMX7ULP_CLK_DMA1]		= imx_clk_hw_gate("dma1", "nic1_clk", base + 0x20, 30);
+	clks[IMX7ULP_CLK_RGPIO2P1]	= imx_clk_hw_gate("rgpio2p1", "nic1_bus_clk", base + 0x3c, 30);
+	clks[IMX7ULP_CLK_DMA_MUX1]	= imx_clk_hw_gate("dma_mux1", "nic1_bus_clk", base + 0x84, 30);
+	clks[IMX7ULP_CLK_SNVS]		= imx_clk_hw_gate("snvs", "nic1_bus_clk", base + 0x8c, 30);
+	clks[IMX7ULP_CLK_CAAM]		= imx_clk_hw_gate("caam", "nic1_clk", base + 0x90, 30);
+	clks[IMX7ULP_CLK_LPTPM4]	= imx7ulp_clk_composite("lptpm4",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x94);
+	clks[IMX7ULP_CLK_LPTPM5]	= imx7ulp_clk_composite("lptpm5",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x98);
+	clks[IMX7ULP_CLK_LPIT1]		= imx7ulp_clk_composite("lpit1",   periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x9c);
+	clks[IMX7ULP_CLK_LPSPI2]	= imx7ulp_clk_composite("lpspi2",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xa4);
+	clks[IMX7ULP_CLK_LPSPI3]	= imx7ulp_clk_composite("lpspi3",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xa8);
+	clks[IMX7ULP_CLK_LPI2C4]	= imx7ulp_clk_composite("lpi2c4",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xac);
+	clks[IMX7ULP_CLK_LPI2C5]	= imx7ulp_clk_composite("lpi2c5",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xb0);
+	clks[IMX7ULP_CLK_LPUART4]	= imx7ulp_clk_composite("lpuart4", periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xb4);
+	clks[IMX7ULP_CLK_LPUART5]	= imx7ulp_clk_composite("lpuart5", periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xb8);
+	clks[IMX7ULP_CLK_FLEXIO1]	= imx7ulp_clk_composite("flexio1", periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xc4);
+	clks[IMX7ULP_CLK_USB0]		= imx7ulp_clk_composite("usb0",    periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, true,  true, base + 0xcc);
+	clks[IMX7ULP_CLK_USB1]		= imx7ulp_clk_composite("usb1",    periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, true,  true, base + 0xd0);
+	clks[IMX7ULP_CLK_USB_PHY]	= imx_clk_hw_gate("usb_phy", "nic1_bus_clk", base + 0xd4, 30);
+	clks[IMX7ULP_CLK_USDHC0]	= imx7ulp_clk_composite("usdhc0",  periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, true,  true, base + 0xdc);
+	clks[IMX7ULP_CLK_USDHC1]	= imx7ulp_clk_composite("usdhc1",  periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, true,  true, base + 0xe0);
+	clks[IMX7ULP_CLK_WDG1]		= imx7ulp_clk_composite("wdg1",    periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, true,  true, base + 0xf4);
+	clks[IMX7ULP_CLK_WDG2]		= imx7ulp_clk_composite("sdg2",    periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, true,  true, base + 0x10c);
+
+	imx_check_clk_hws(clks, clk_data->num);
+
+	of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data);
+}
+CLK_OF_DECLARE(imx7ulp_clk_pcc2, "fsl,imx7ulp-pcc2", imx7ulp_clk_pcc2_init);
+
+static void __init imx7ulp_clk_pcc3_init(struct device_node *np)
+{
+	struct clk_hw_onecell_data *clk_data;
+	struct clk_hw **clks;
+	void __iomem *base;
+
+	clk_data = kzalloc(sizeof(*clk_data) + sizeof(*clk_data->hws) *
+			   IMX7ULP_CLK_PCC3_END, GFP_KERNEL);
+	if (!clk_data)
+		return;
+
+	clk_data->num = IMX7ULP_CLK_PCC3_END;
+	clks = clk_data->hws;
+
+	/* PCC3 */
+	base = of_iomap(np, 0);
+	WARN_ON(!base);
+
+	clks[IMX7ULP_CLK_LPTPM6]	= imx7ulp_clk_composite("lptpm6",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x84);
+	clks[IMX7ULP_CLK_LPTPM7]	= imx7ulp_clk_composite("lptpm7",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x88);
+
+	clks[IMX7ULP_CLK_MMDC]		= clk_hw_register_gate(NULL, "mmdc", "nic1_clk", CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
+							       base + 0xac, 30, 0, &imx_ccm_lock);
+	clks[IMX7ULP_CLK_LPI2C6]	= imx7ulp_clk_composite("lpi2c6",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x90);
+	clks[IMX7ULP_CLK_LPI2C7]	= imx7ulp_clk_composite("lpi2c7",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x94);
+	clks[IMX7ULP_CLK_LPUART6]	= imx7ulp_clk_composite("lpuart6", periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x98);
+	clks[IMX7ULP_CLK_LPUART7]	= imx7ulp_clk_composite("lpuart7", periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x9c);
+	clks[IMX7ULP_CLK_DSI]		= imx7ulp_clk_composite("dsi",     periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, true,  true, base + 0xa4);
+	clks[IMX7ULP_CLK_LCDIF]		= imx7ulp_clk_composite("lcdif",   periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, true,  true, base + 0xa8);
+
+	clks[IMX7ULP_CLK_VIU]		= imx_clk_hw_gate("viu",   "nic1_clk",	   base + 0xa0, 30);
+	clks[IMX7ULP_CLK_PCTLC]		= imx_clk_hw_gate("pctlc", "nic1_bus_clk", base + 0xb8, 30);
+	clks[IMX7ULP_CLK_PCTLD]		= imx_clk_hw_gate("pctld", "nic1_bus_clk", base + 0xbc, 30);
+	clks[IMX7ULP_CLK_PCTLE]		= imx_clk_hw_gate("pctle", "nic1_bus_clk", base + 0xc0, 30);
+	clks[IMX7ULP_CLK_PCTLF]		= imx_clk_hw_gate("pctlf", "nic1_bus_clk", base + 0xc4, 30);
+
+	clks[IMX7ULP_CLK_GPU3D]		= imx7ulp_clk_composite("gpu3d",   periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, false, true, base + 0x140);
+	clks[IMX7ULP_CLK_GPU2D]		= imx7ulp_clk_composite("gpu2d",   periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, false, true, base + 0x144);
+
+	imx_check_clk_hws(clks, clk_data->num);
+
+	of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data);
+}
+CLK_OF_DECLARE(imx7ulp_clk_pcc3, "fsl,imx7ulp-pcc3", imx7ulp_clk_pcc3_init);
diff --git a/drivers/clk/imx/clk-pfdv2.c b/drivers/clk/imx/clk-pfdv2.c
new file mode 100644
index 000000000000..7e9134b205ab
--- /dev/null
+++ b/drivers/clk/imx/clk-pfdv2.c
@@ -0,0 +1,203 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017~2018 NXP
+ *
+ * Author: Dong Aisheng <aisheng.dong@nxp.com>
+ *
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/iopoll.h>
+#include <linux/slab.h>
+
+#include "clk.h"
+
+/**
+ * struct clk_pfdv2 - IMX PFD clock
+ * @clk_hw:	clock source
+ * @reg:	PFD register address
+ * @gate_bit:	Gate bit offset
+ * @vld_bit:	Valid bit offset
+ * @frac_off:	PLL Fractional Divider offset
+ */
+
+struct clk_pfdv2 {
+	struct clk_hw	hw;
+	void __iomem	*reg;
+	u8		gate_bit;
+	u8		vld_bit;
+	u8		frac_off;
+};
+
+#define to_clk_pfdv2(_hw) container_of(_hw, struct clk_pfdv2, hw)
+
+#define CLK_PFDV2_FRAC_MASK 0x3f
+
+#define LOCK_TIMEOUT_US		USEC_PER_MSEC
+
+static DEFINE_SPINLOCK(pfd_lock);
+
+static int clk_pfdv2_wait(struct clk_pfdv2 *pfd)
+{
+	u32 val;
+
+	return readl_poll_timeout(pfd->reg, val, val & pfd->vld_bit,
+				  0, LOCK_TIMEOUT_US);
+}
+
+static int clk_pfdv2_enable(struct clk_hw *hw)
+{
+	struct clk_pfdv2 *pfd = to_clk_pfdv2(hw);
+	unsigned long flags;
+	u32 val;
+
+	spin_lock_irqsave(&pfd_lock, flags);
+	val = readl_relaxed(pfd->reg);
+	val &= ~pfd->gate_bit;
+	writel_relaxed(val, pfd->reg);
+	spin_unlock_irqrestore(&pfd_lock, flags);
+
+	return clk_pfdv2_wait(pfd);
+}
+
+static void clk_pfdv2_disable(struct clk_hw *hw)
+{
+	struct clk_pfdv2 *pfd = to_clk_pfdv2(hw);
+	unsigned long flags;
+	u32 val;
+
+	spin_lock_irqsave(&pfd_lock, flags);
+	val = readl_relaxed(pfd->reg);
+	val |= pfd->gate_bit;
+	writel_relaxed(val, pfd->reg);
+	spin_unlock_irqrestore(&pfd_lock, flags);
+}
+
+static unsigned long clk_pfdv2_recalc_rate(struct clk_hw *hw,
+					   unsigned long parent_rate)
+{
+	struct clk_pfdv2 *pfd = to_clk_pfdv2(hw);
+	u64 tmp = parent_rate;
+	u8 frac;
+
+	frac = (readl_relaxed(pfd->reg) >> pfd->frac_off)
+		& CLK_PFDV2_FRAC_MASK;
+
+	if (!frac) {
+		pr_debug("clk_pfdv2: %s invalid pfd frac value 0\n",
+			 clk_hw_get_name(hw));
+		return 0;
+	}
+
+	tmp *= 18;
+	do_div(tmp, frac);
+
+	return tmp;
+}
+
+static long clk_pfdv2_round_rate(struct clk_hw *hw, unsigned long rate,
+				 unsigned long *prate)
+{
+	u64 tmp = *prate;
+	u8 frac;
+
+	tmp = tmp * 18 + rate / 2;
+	do_div(tmp, rate);
+	frac = tmp;
+
+	if (frac < 12)
+		frac = 12;
+	else if (frac > 35)
+		frac = 35;
+
+	tmp = *prate;
+	tmp *= 18;
+	do_div(tmp, frac);
+
+	return tmp;
+}
+
+static int clk_pfdv2_is_enabled(struct clk_hw *hw)
+{
+	struct clk_pfdv2 *pfd = to_clk_pfdv2(hw);
+
+	if (readl_relaxed(pfd->reg) & pfd->gate_bit)
+		return 0;
+
+	return 1;
+}
+
+static int clk_pfdv2_set_rate(struct clk_hw *hw, unsigned long rate,
+			      unsigned long parent_rate)
+{
+	struct clk_pfdv2 *pfd = to_clk_pfdv2(hw);
+	unsigned long flags;
+	u64 tmp = parent_rate;
+	u32 val;
+	u8 frac;
+
+	tmp = tmp * 18 + rate / 2;
+	do_div(tmp, rate);
+	frac = tmp;
+	if (frac < 12)
+		frac = 12;
+	else if (frac > 35)
+		frac = 35;
+
+	spin_lock_irqsave(&pfd_lock, flags);
+	val = readl_relaxed(pfd->reg);
+	val &= ~(CLK_PFDV2_FRAC_MASK << pfd->frac_off);
+	val |= frac << pfd->frac_off;
+	writel_relaxed(val, pfd->reg);
+	spin_unlock_irqrestore(&pfd_lock, flags);
+
+	return 0;
+}
+
+static const struct clk_ops clk_pfdv2_ops = {
+	.enable		= clk_pfdv2_enable,
+	.disable	= clk_pfdv2_disable,
+	.recalc_rate	= clk_pfdv2_recalc_rate,
+	.round_rate	= clk_pfdv2_round_rate,
+	.set_rate	= clk_pfdv2_set_rate,
+	.is_enabled     = clk_pfdv2_is_enabled,
+};
+
+struct clk_hw *imx_clk_pfdv2(const char *name, const char *parent_name,
+			     void __iomem *reg, u8 idx)
+{
+	struct clk_init_data init;
+	struct clk_pfdv2 *pfd;
+	struct clk_hw *hw;
+	int ret;
+
+	WARN_ON(idx > 3);
+
+	pfd = kzalloc(sizeof(*pfd), GFP_KERNEL);
+	if (!pfd)
+		return ERR_PTR(-ENOMEM);
+
+	pfd->reg = reg;
+	pfd->gate_bit = 1 << ((idx + 1) * 8 - 1);
+	pfd->vld_bit = pfd->gate_bit - 1;
+	pfd->frac_off = idx * 8;
+
+	init.name = name;
+	init.ops = &clk_pfdv2_ops;
+	init.parent_names = &parent_name;
+	init.num_parents = 1;
+	init.flags = CLK_SET_RATE_GATE;
+
+	pfd->hw.init = &init;
+
+	hw = &pfd->hw;
+	ret = clk_hw_register(NULL, hw);
+	if (ret) {
+		kfree(pfd);
+		hw = ERR_PTR(ret);
+	}
+
+	return hw;
+}
diff --git a/drivers/clk/imx/clk-pllv4.c b/drivers/clk/imx/clk-pllv4.c
new file mode 100644
index 000000000000..d38bc9f87c1d
--- /dev/null
+++ b/drivers/clk/imx/clk-pllv4.c
@@ -0,0 +1,184 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017~2018 NXP
+ *
+ * Author: Dong Aisheng <aisheng.dong@nxp.com>
+ *
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/iopoll.h>
+#include <linux/slab.h>
+
+#include "clk.h"
+
+/* PLL Control Status Register (xPLLCSR) */
+#define PLL_CSR_OFFSET		0x0
+#define PLL_VLD			BIT(24)
+#define PLL_EN			BIT(0)
+
+/* PLL Configuration Register (xPLLCFG) */
+#define PLL_CFG_OFFSET		0x08
+#define BP_PLL_MULT		16
+#define BM_PLL_MULT		(0x7f << 16)
+
+/* PLL Numerator Register (xPLLNUM) */
+#define PLL_NUM_OFFSET		0x10
+
+/* PLL Denominator Register (xPLLDENOM) */
+#define PLL_DENOM_OFFSET	0x14
+
+struct clk_pllv4 {
+	struct clk_hw	hw;
+	void __iomem	*base;
+};
+
+/* Valid PLL MULT Table */
+static const int pllv4_mult_table[] = {33, 27, 22, 20, 17, 16};
+
+#define to_clk_pllv4(__hw) container_of(__hw, struct clk_pllv4, hw)
+
+#define LOCK_TIMEOUT_US		USEC_PER_MSEC
+
+static inline int clk_pllv4_wait_lock(struct clk_pllv4 *pll)
+{
+	u32 csr;
+
+	return readl_poll_timeout(pll->base  + PLL_CSR_OFFSET,
+				  csr, csr & PLL_VLD, 0, LOCK_TIMEOUT_US);
+}
+
+static int clk_pllv4_is_enabled(struct clk_hw *hw)
+{
+	struct clk_pllv4 *pll = to_clk_pllv4(hw);
+
+	if (readl_relaxed(pll->base) & PLL_EN)
+		return 1;
+
+	return 0;
+}
+
+static unsigned long clk_pllv4_recalc_rate(struct clk_hw *hw,
+					   unsigned long parent_rate)
+{
+	struct clk_pllv4 *pll = to_clk_pllv4(hw);
+	u32 div;
+
+	div = readl_relaxed(pll->base + PLL_CFG_OFFSET);
+	div &= BM_PLL_MULT;
+	div >>= BP_PLL_MULT;
+
+	return parent_rate * div;
+}
+
+static long clk_pllv4_round_rate(struct clk_hw *hw, unsigned long rate,
+				 unsigned long *prate)
+{
+	unsigned long parent_rate = *prate;
+	unsigned long round_rate, i;
+
+	for (i = 0; i < ARRAY_SIZE(pllv4_mult_table); i++) {
+		round_rate = parent_rate * pllv4_mult_table[i];
+		if (rate >= round_rate)
+			return round_rate;
+	}
+
+	return round_rate;
+}
+
+static bool clk_pllv4_is_valid_mult(unsigned int mult)
+{
+	int i;
+
+	/* check if mult is in valid MULT table */
+	for (i = 0; i < ARRAY_SIZE(pllv4_mult_table); i++) {
+		if (pllv4_mult_table[i] == mult)
+			return true;
+	}
+
+	return false;
+}
+
+static int clk_pllv4_set_rate(struct clk_hw *hw, unsigned long rate,
+			      unsigned long parent_rate)
+{
+	struct clk_pllv4 *pll = to_clk_pllv4(hw);
+	u32 val, mult;
+
+	mult = rate / parent_rate;
+
+	if (!clk_pllv4_is_valid_mult(mult))
+		return -EINVAL;
+
+	val = readl_relaxed(pll->base + PLL_CFG_OFFSET);
+	val &= ~BM_PLL_MULT;
+	val |= mult << BP_PLL_MULT;
+	writel_relaxed(val, pll->base + PLL_CFG_OFFSET);
+
+	return 0;
+}
+
+static int clk_pllv4_enable(struct clk_hw *hw)
+{
+	u32 val;
+	struct clk_pllv4 *pll = to_clk_pllv4(hw);
+
+	val = readl_relaxed(pll->base);
+	val |= PLL_EN;
+	writel_relaxed(val, pll->base);
+
+	return clk_pllv4_wait_lock(pll);
+}
+
+static void clk_pllv4_disable(struct clk_hw *hw)
+{
+	u32 val;
+	struct clk_pllv4 *pll = to_clk_pllv4(hw);
+
+	val = readl_relaxed(pll->base);
+	val &= ~PLL_EN;
+	writel_relaxed(val, pll->base);
+}
+
+static const struct clk_ops clk_pllv4_ops = {
+	.recalc_rate	= clk_pllv4_recalc_rate,
+	.round_rate	= clk_pllv4_round_rate,
+	.set_rate	= clk_pllv4_set_rate,
+	.enable		= clk_pllv4_enable,
+	.disable	= clk_pllv4_disable,
+	.is_enabled	= clk_pllv4_is_enabled,
+};
+
+struct clk_hw *imx_clk_pllv4(const char *name, const char *parent_name,
+			  void __iomem *base)
+{
+	struct clk_pllv4 *pll;
+	struct clk_hw *hw;
+	struct clk_init_data init;
+	int ret;
+
+	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
+	if (!pll)
+		return ERR_PTR(-ENOMEM);
+
+	pll->base = base;
+
+	init.name = name;
+	init.ops = &clk_pllv4_ops;
+	init.parent_names = &parent_name;
+	init.num_parents = 1;
+	init.flags = CLK_SET_RATE_GATE;
+
+	pll->hw.init = &init;
+
+	hw = &pll->hw;
+	ret = clk_hw_register(NULL, hw);
+	if (ret) {
+		kfree(pll);
+		hw = ERR_PTR(ret);
+	}
+
+	return hw;
+}
diff --git a/drivers/clk/imx/clk.c b/drivers/clk/imx/clk.c
index 9074e6974b6d..1efed86217f7 100644
--- a/drivers/clk/imx/clk.c
+++ b/drivers/clk/imx/clk.c
@@ -18,6 +18,16 @@ void __init imx_check_clocks(struct clk *clks[], unsigned int count)
 			       i, PTR_ERR(clks[i]));
 }
 
+void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count)
+{
+	unsigned int i;
+
+	for (i = 0; i < count; i++)
+		if (IS_ERR(clks[i]))
+			pr_err("i.MX clk %u: register failed with %ld\n",
+			       i, PTR_ERR(clks[i]));
+}
+
 static struct clk * __init imx_obtain_fixed_clock_from_dt(const char *name)
 {
 	struct of_phandle_args phandle;
@@ -49,6 +59,18 @@ struct clk * __init imx_obtain_fixed_clock(
 	return clk;
 }
 
+struct clk_hw * __init imx_obtain_fixed_clk_hw(struct device_node *np,
+					       const char *name)
+{
+	struct clk *clk;
+
+	clk = of_clk_get_by_name(np, name);
+	if (IS_ERR(clk))
+		return ERR_PTR(-ENOENT);
+
+	return __clk_get_hw(clk);
+}
+
 /*
  * This fixups the register CCM_CSCMR1 write value.
  * The write/read/divider values of the aclk_podf field
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index 5895e2237b6c..a34b93e48e0b 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -8,6 +8,7 @@
 extern spinlock_t imx_ccm_lock;
 
 void imx_check_clocks(struct clk *clks[], unsigned int count);
+void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count);
 void imx_register_uart_clocks(struct clk ** const clks[]);
 
 extern void imx_cscmr1_fixup(u32 *val);
@@ -42,6 +43,9 @@ enum imx_pllv3_type {
 struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
 		const char *parent_name, void __iomem *base, u32 div_mask);
 
+struct clk_hw *imx_clk_pllv4(const char *name, const char *parent_name,
+			     void __iomem *base);
+
 struct clk *clk_register_gate2(struct device *dev, const char *name,
 		const char *parent_name, unsigned long flags,
 		void __iomem *reg, u8 bit_idx, u8 cgr_val,
@@ -51,26 +55,38 @@ struct clk *clk_register_gate2(struct device *dev, const char *name,
 struct clk * imx_obtain_fixed_clock(
 			const char *name, unsigned long rate);
 
+struct clk_hw *imx_obtain_fixed_clk_hw(struct device_node *np,
+				       const char *name);
+
 struct clk *imx_clk_gate_exclusive(const char *name, const char *parent,
 	 void __iomem *reg, u8 shift, u32 exclusive_mask);
 
 struct clk *imx_clk_pfd(const char *name, const char *parent_name,
 		void __iomem *reg, u8 idx);
 
+struct clk_hw *imx_clk_pfdv2(const char *name, const char *parent_name,
+			     void __iomem *reg, u8 idx);
+
 struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,
 				 void __iomem *reg, u8 shift, u8 width,
 				 void __iomem *busy_reg, u8 busy_shift);
 
 struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
 			     u8 width, void __iomem *busy_reg, u8 busy_shift,
-			     const char **parent_names, int num_parents);
+			     const char * const *parent_names, int num_parents);
+
+struct clk_hw *imx7ulp_clk_composite(const char *name,
+				     const char * const *parent_names,
+				     int num_parents, bool mux_present,
+				     bool rate_present, bool gate_present,
+				     void __iomem *reg);
 
 struct clk *imx_clk_fixup_divider(const char *name, const char *parent,
 				  void __iomem *reg, u8 shift, u8 width,
 				  void (*fixup)(u32 *val));
 
 struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg,
-			      u8 shift, u8 width, const char **parents,
+			      u8 shift, u8 width, const char * const *parents,
 			      int num_parents, void (*fixup)(u32 *val));
 
 static inline struct clk *imx_clk_fixed(const char *name, int rate)
@@ -78,8 +94,19 @@ static inline struct clk *imx_clk_fixed(const char *name, int rate)
 	return clk_register_fixed_rate(NULL, name, NULL, 0, rate);
 }
 
+static inline struct clk_hw *imx_clk_hw_fixed(const char *name, int rate)
+{
+	return clk_hw_register_fixed_rate(NULL, name, NULL, 0, rate);
+}
+
+static inline struct clk_hw *imx_get_clk_hw_fixed(const char *name, int rate)
+{
+	return clk_hw_register_fixed_rate(NULL, name, NULL, 0, rate);
+}
+
 static inline struct clk *imx_clk_mux_ldb(const char *name, void __iomem *reg,
-		u8 shift, u8 width, const char **parents, int num_parents)
+			u8 shift, u8 width, const char * const *parents,
+			int num_parents)
 {
 	return clk_register_mux(NULL, name, parents, num_parents,
 			CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, reg,
@@ -100,6 +127,15 @@ static inline struct clk *imx_clk_divider(const char *name, const char *parent,
 			reg, shift, width, 0, &imx_ccm_lock);
 }
 
+static inline struct clk_hw *imx_clk_hw_divider(const char *name,
+						const char *parent,
+						void __iomem *reg, u8 shift,
+						u8 width)
+{
+	return clk_hw_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
+				       reg, shift, width, 0, &imx_ccm_lock);
+}
+
 static inline struct clk *imx_clk_divider_flags(const char *name,
 		const char *parent, void __iomem *reg, u8 shift, u8 width,
 		unsigned long flags)
@@ -108,6 +144,15 @@ static inline struct clk *imx_clk_divider_flags(const char *name,
 			reg, shift, width, 0, &imx_ccm_lock);
 }
 
+static inline struct clk_hw *imx_clk_hw_divider_flags(const char *name,
+						   const char *parent,
+						   void __iomem *reg, u8 shift,
+						   u8 width, unsigned long flags)
+{
+	return clk_hw_register_divider(NULL, name, parent, flags,
+				       reg, shift, width, 0, &imx_ccm_lock);
+}
+
 static inline struct clk *imx_clk_divider2(const char *name, const char *parent,
 		void __iomem *reg, u8 shift, u8 width)
 {
@@ -130,6 +175,13 @@ static inline struct clk *imx_clk_gate_flags(const char *name, const char *paren
 			shift, 0, &imx_ccm_lock);
 }
 
+static inline struct clk_hw *imx_clk_hw_gate(const char *name, const char *parent,
+					     void __iomem *reg, u8 shift)
+{
+	return clk_hw_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
+				    shift, 0, &imx_ccm_lock);
+}
+
 static inline struct clk *imx_clk_gate_dis(const char *name, const char *parent,
 		void __iomem *reg, u8 shift)
 {
@@ -199,7 +251,8 @@ static inline struct clk *imx_clk_gate4(const char *name, const char *parent,
 }
 
 static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
-		u8 shift, u8 width, const char **parents, int num_parents)
+			u8 shift, u8 width, const char * const *parents,
+			int num_parents)
 {
 	return clk_register_mux(NULL, name, parents, num_parents,
 			CLK_SET_RATE_NO_REPARENT, reg, shift,
@@ -207,24 +260,53 @@ static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
 }
 
 static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg,
-		u8 shift, u8 width, const char **parents, int num_parents)
+			u8 shift, u8 width, const char * const *parents,
+			int num_parents)
 {
 	return clk_register_mux(NULL, name, parents, num_parents,
 			CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
 			reg, shift, width, 0, &imx_ccm_lock);
 }
 
+static inline struct clk_hw *imx_clk_hw_mux2(const char *name, void __iomem *reg,
+					     u8 shift, u8 width,
+					     const char * const *parents,
+					     int num_parents)
+{
+	return clk_hw_register_mux(NULL, name, parents, num_parents,
+				   CLK_SET_RATE_NO_REPARENT |
+				   CLK_OPS_PARENT_ENABLE,
+				   reg, shift, width, 0, &imx_ccm_lock);
+}
+
 static inline struct clk *imx_clk_mux_flags(const char *name,
-		void __iomem *reg, u8 shift, u8 width, const char **parents,
-		int num_parents, unsigned long flags)
+			void __iomem *reg, u8 shift, u8 width,
+			const char * const *parents, int num_parents,
+			unsigned long flags)
 {
 	return clk_register_mux(NULL, name, parents, num_parents,
 			flags | CLK_SET_RATE_NO_REPARENT, reg, shift, width, 0,
 			&imx_ccm_lock);
 }
 
+static inline struct clk_hw *imx_clk_hw_mux_flags(const char *name,
+						  void __iomem *reg, u8 shift,
+						  u8 width,
+						  const char * const *parents,
+						  int num_parents,
+						  unsigned long flags)
+{
+	return clk_hw_register_mux(NULL, name, parents, num_parents,
+				   flags | CLK_SET_RATE_NO_REPARENT,
+				   reg, shift, width, 0, &imx_ccm_lock);
+}
+
 struct clk *imx_clk_cpu(const char *name, const char *parent_name,
 		struct clk *div, struct clk *mux, struct clk *pll,
 		struct clk *step);
 
+struct clk_hw *imx_clk_divider_gate(const char *name, const char *parent_name,
+		unsigned long flags, void __iomem *reg, u8 shift, u8 width,
+		u8 clk_divider_flags, const struct clk_div_table *table,
+		spinlock_t *lock);
 #endif