Merge tag 'clk-starfive-for-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into clk-starfive

Pull StarFive clk driver updates from Conor Dooley:

Add support for the System-Top-Group, Image-Signal-Process, Video-Output
and PLL clocks on the JH7110 SoC. These drivers come with their
associate dt-bindings & the obligatory headers containing defines of
clock indices.

To maintain backwards compatibility, the PLL driver will fall back to
using the fixed factor clocks that were merged for v6.4. The binding has
been updated to only permit sourcing the PLL clocks from the PLL's clock
controller.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'clk-starfive-for-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  clk: starfive: Add StarFive JH7110 Video-Output clock driver
  clk: starfive: Add StarFive JH7110 Image-Signal-Process clock driver
  clk: starfive: Add StarFive JH7110 System-Top-Group clock driver
  clk: starfive: jh7110-sys: Add PLL clocks source from DTS
  clk: starfive: Add StarFive JH7110 PLL clock driver
  dt-bindings: clock: Add StarFive JH7110 Video-Output clock and reset generator
  dt-bindings: clock: Add StarFive JH7110 Image-Signal-Process clock and reset generator
  dt-bindings: clock: Add StarFive JH7110 System-Top-Group clock and reset generator
  dt-bindings: clock: jh7110-syscrg: Add PLL clock inputs
  dt-bindings: soc: starfive: Add StarFive syscon module
  dt-bindings: clock: Add StarFive JH7110 PLL clock generator

8 files changed, 1238 insertions, 22 deletions

diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig
index 5d2333106f13..bd29358ffeec 100644
--- a/drivers/clk/starfive/Kconfig
+++ b/drivers/clk/starfive/Kconfig
@@ -21,12 +21,21 @@ config CLK_STARFIVE_JH7100_AUDIO
 	  Say Y or M here to support the audio clocks on the StarFive JH7100
 	  SoC.
 
+config CLK_STARFIVE_JH7110_PLL
+	bool "StarFive JH7110 PLL clock support"
+	depends on ARCH_STARFIVE || COMPILE_TEST
+	default ARCH_STARFIVE
+	help
+	  Say yes here to support the PLL clock controller on the
+	  StarFive JH7110 SoC.
+
 config CLK_STARFIVE_JH7110_SYS
 	bool "StarFive JH7110 system clock support"
 	depends on ARCH_STARFIVE || COMPILE_TEST
 	select AUXILIARY_BUS
 	select CLK_STARFIVE_JH71X0
 	select RESET_STARFIVE_JH7110 if RESET_CONTROLLER
+	select CLK_STARFIVE_JH7110_PLL
 	default ARCH_STARFIVE
 	help
 	  Say yes here to support the system clock controller on the
@@ -39,3 +48,27 @@ config CLK_STARFIVE_JH7110_AON
 	help
 	  Say yes here to support the always-on clock controller on the
 	  StarFive JH7110 SoC.
+
+config CLK_STARFIVE_JH7110_STG
+	tristate "StarFive JH7110 System-Top-Group clock support"
+	depends on CLK_STARFIVE_JH7110_SYS
+	default m if ARCH_STARFIVE
+	help
+	  Say yes here to support the System-Top-Group clock controller
+	  on the StarFive JH7110 SoC.
+
+config CLK_STARFIVE_JH7110_ISP
+	tristate "StarFive JH7110 Image-Signal-Process clock support"
+	depends on CLK_STARFIVE_JH7110_SYS && JH71XX_PMU
+	default m if ARCH_STARFIVE
+	help
+	  Say yes here to support the Image-Signal-Process clock controller
+	  on the StarFive JH7110 SoC.
+
+config CLK_STARFIVE_JH7110_VOUT
+	tristate "StarFive JH7110 Video-Output clock support"
+	depends on CLK_STARFIVE_JH7110_SYS && JH71XX_PMU
+	default m if ARCH_STARFIVE
+	help
+	  Say yes here to support the Video-Output clock controller
+	  on the StarFive JH7110 SoC.
diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile
index f3df7d957b1e..199ac0f37a2f 100644
--- a/drivers/clk/starfive/Makefile
+++ b/drivers/clk/starfive/Makefile
@@ -4,5 +4,9 @@ obj-$(CONFIG_CLK_STARFIVE_JH71X0)	+= clk-starfive-jh71x0.o
 obj-$(CONFIG_CLK_STARFIVE_JH7100)	+= clk-starfive-jh7100.o
 obj-$(CONFIG_CLK_STARFIVE_JH7100_AUDIO)	+= clk-starfive-jh7100-audio.o
 
+obj-$(CONFIG_CLK_STARFIVE_JH7110_PLL)	+= clk-starfive-jh7110-pll.o
 obj-$(CONFIG_CLK_STARFIVE_JH7110_SYS)	+= clk-starfive-jh7110-sys.o
 obj-$(CONFIG_CLK_STARFIVE_JH7110_AON)	+= clk-starfive-jh7110-aon.o
+obj-$(CONFIG_CLK_STARFIVE_JH7110_STG)	+= clk-starfive-jh7110-stg.o
+obj-$(CONFIG_CLK_STARFIVE_JH7110_ISP)	+= clk-starfive-jh7110-isp.o
+obj-$(CONFIG_CLK_STARFIVE_JH7110_VOUT)	+= clk-starfive-jh7110-vout.o
diff --git a/drivers/clk/starfive/clk-starfive-jh7110-isp.c b/drivers/clk/starfive/clk-starfive-jh7110-isp.c
new file mode 100644
index 000000000000..ce034ed28532
--- /dev/null
+++ b/drivers/clk/starfive/clk-starfive-jh7110-isp.c
@@ -0,0 +1,232 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * StarFive JH7110 Image-Signal-Process Clock Driver
+ *
+ * Copyright (C) 2022-2023 StarFive Technology Co., Ltd.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/reset.h>
+
+#include <dt-bindings/clock/starfive,jh7110-crg.h>
+
+#include "clk-starfive-jh7110.h"
+
+/* external clocks */
+#define JH7110_ISPCLK_ISP_TOP_CORE		(JH7110_ISPCLK_END + 0)
+#define JH7110_ISPCLK_ISP_TOP_AXI		(JH7110_ISPCLK_END + 1)
+#define JH7110_ISPCLK_NOC_BUS_ISP_AXI		(JH7110_ISPCLK_END + 2)
+#define JH7110_ISPCLK_DVP_CLK			(JH7110_ISPCLK_END + 3)
+#define JH7110_ISPCLK_EXT_END			(JH7110_ISPCLK_END + 4)
+
+static struct clk_bulk_data jh7110_isp_top_clks[] = {
+	{ .id = "isp_top_core" },
+	{ .id = "isp_top_axi" }
+};
+
+static const struct jh71x0_clk_data jh7110_ispclk_data[] = {
+	/* syscon */
+	JH71X0__DIV(JH7110_ISPCLK_DOM4_APB_FUNC, "dom4_apb_func", 15,
+		    JH7110_ISPCLK_ISP_TOP_AXI),
+	JH71X0__DIV(JH7110_ISPCLK_MIPI_RX0_PXL, "mipi_rx0_pxl", 8,
+		    JH7110_ISPCLK_ISP_TOP_CORE),
+	JH71X0__INV(JH7110_ISPCLK_DVP_INV, "dvp_inv", JH7110_ISPCLK_DVP_CLK),
+	/* vin */
+	JH71X0__DIV(JH7110_ISPCLK_M31DPHY_CFG_IN, "m31dphy_cfg_in", 16,
+		    JH7110_ISPCLK_ISP_TOP_CORE),
+	JH71X0__DIV(JH7110_ISPCLK_M31DPHY_REF_IN, "m31dphy_ref_in", 16,
+		    JH7110_ISPCLK_ISP_TOP_CORE),
+	JH71X0__DIV(JH7110_ISPCLK_M31DPHY_TX_ESC_LAN0, "m31dphy_tx_esc_lan0", 60,
+		    JH7110_ISPCLK_ISP_TOP_CORE),
+	JH71X0_GATE(JH7110_ISPCLK_VIN_APB, "vin_apb", 0,
+		    JH7110_ISPCLK_DOM4_APB_FUNC),
+	JH71X0__DIV(JH7110_ISPCLK_VIN_SYS, "vin_sys", 8, JH7110_ISPCLK_ISP_TOP_CORE),
+	JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF0, "vin_pixel_if0", 0,
+		    JH7110_ISPCLK_MIPI_RX0_PXL),
+	JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF1, "vin_pixel_if1", 0,
+		    JH7110_ISPCLK_MIPI_RX0_PXL),
+	JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF2, "vin_pixel_if2", 0,
+		    JH7110_ISPCLK_MIPI_RX0_PXL),
+	JH71X0_GATE(JH7110_ISPCLK_VIN_PIXEL_IF3, "vin_pixel_if3", 0,
+		    JH7110_ISPCLK_MIPI_RX0_PXL),
+	JH71X0__MUX(JH7110_ISPCLK_VIN_P_AXI_WR, "vin_p_axi_wr", 2,
+		    JH7110_ISPCLK_MIPI_RX0_PXL,
+		    JH7110_ISPCLK_DVP_INV),
+	/* ispv2_top_wrapper */
+	JH71X0_GMUX(JH7110_ISPCLK_ISPV2_TOP_WRAPPER_C, "ispv2_top_wrapper_c", 0, 2,
+		    JH7110_ISPCLK_MIPI_RX0_PXL,
+		    JH7110_ISPCLK_DVP_INV),
+};
+
+static inline int jh7110_isp_top_rst_init(struct jh71x0_clk_priv *priv)
+{
+	struct reset_control *top_rsts;
+
+	/* The resets should be shared and other ISP modules will use its. */
+	top_rsts = devm_reset_control_array_get_shared(priv->dev);
+	if (IS_ERR(top_rsts))
+		return dev_err_probe(priv->dev, PTR_ERR(top_rsts),
+				     "failed to get top resets\n");
+
+	return reset_control_deassert(top_rsts);
+}
+
+static struct clk_hw *jh7110_ispclk_get(struct of_phandle_args *clkspec, void *data)
+{
+	struct jh71x0_clk_priv *priv = data;
+	unsigned int idx = clkspec->args[0];
+
+	if (idx < JH7110_ISPCLK_END)
+		return &priv->reg[idx].hw;
+
+	return ERR_PTR(-EINVAL);
+}
+
+#ifdef CONFIG_PM
+static int jh7110_ispcrg_suspend(struct device *dev)
+{
+	struct jh7110_top_sysclk *top = dev_get_drvdata(dev);
+
+	clk_bulk_disable_unprepare(top->top_clks_num, top->top_clks);
+
+	return 0;
+}
+
+static int jh7110_ispcrg_resume(struct device *dev)
+{
+	struct jh7110_top_sysclk *top = dev_get_drvdata(dev);
+
+	return clk_bulk_prepare_enable(top->top_clks_num, top->top_clks);
+}
+
+static const struct dev_pm_ops jh7110_ispcrg_pm_ops = {
+	RUNTIME_PM_OPS(jh7110_ispcrg_suspend, jh7110_ispcrg_resume, NULL)
+};
+#endif
+
+static int jh7110_ispcrg_probe(struct platform_device *pdev)
+{
+	struct jh71x0_clk_priv *priv;
+	struct jh7110_top_sysclk *top;
+	unsigned int idx;
+	int ret;
+
+	priv = devm_kzalloc(&pdev->dev,
+			    struct_size(priv, reg, JH7110_ISPCLK_END),
+			    GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	top = devm_kzalloc(&pdev->dev, sizeof(*top), GFP_KERNEL);
+	if (!top)
+		return -ENOMEM;
+
+	spin_lock_init(&priv->rmw_lock);
+	priv->dev = &pdev->dev;
+	priv->base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(priv->base))
+		return PTR_ERR(priv->base);
+
+	top->top_clks = jh7110_isp_top_clks;
+	top->top_clks_num = ARRAY_SIZE(jh7110_isp_top_clks);
+	ret = devm_clk_bulk_get(priv->dev, top->top_clks_num, top->top_clks);
+	if (ret)
+		return dev_err_probe(priv->dev, ret, "failed to get main clocks\n");
+	dev_set_drvdata(priv->dev, top);
+
+	/* enable power domain and clocks */
+	pm_runtime_enable(priv->dev);
+	ret = pm_runtime_get_sync(priv->dev);
+	if (ret < 0)
+		return dev_err_probe(priv->dev, ret, "failed to turn on power\n");
+
+	ret = jh7110_isp_top_rst_init(priv);
+	if (ret)
+		goto err_exit;
+
+	for (idx = 0; idx < JH7110_ISPCLK_END; idx++) {
+		u32 max = jh7110_ispclk_data[idx].max;
+		struct clk_parent_data parents[4] = {};
+		struct clk_init_data init = {
+			.name = jh7110_ispclk_data[idx].name,
+			.ops = starfive_jh71x0_clk_ops(max),
+			.parent_data = parents,
+			.num_parents =
+				((max & JH71X0_CLK_MUX_MASK) >> JH71X0_CLK_MUX_SHIFT) + 1,
+			.flags = jh7110_ispclk_data[idx].flags,
+		};
+		struct jh71x0_clk *clk = &priv->reg[idx];
+		unsigned int i;
+		const char *fw_name[JH7110_ISPCLK_EXT_END - JH7110_ISPCLK_END] = {
+			"isp_top_core",
+			"isp_top_axi",
+			"noc_bus_isp_axi",
+			"dvp_clk"
+		};
+
+		for (i = 0; i < init.num_parents; i++) {
+			unsigned int pidx = jh7110_ispclk_data[idx].parents[i];
+
+			if (pidx < JH7110_ISPCLK_END)
+				parents[i].hw = &priv->reg[pidx].hw;
+			else
+				parents[i].fw_name = fw_name[pidx - JH7110_ISPCLK_END];
+		}
+
+		clk->hw.init = &init;
+		clk->idx = idx;
+		clk->max_div = max & JH71X0_CLK_DIV_MASK;
+
+		ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
+		if (ret)
+			goto err_exit;
+	}
+
+	ret = devm_of_clk_add_hw_provider(&pdev->dev, jh7110_ispclk_get, priv);
+	if (ret)
+		goto err_exit;
+
+	ret = jh7110_reset_controller_register(priv, "rst-isp", 3);
+	if (ret)
+		goto err_exit;
+
+	return 0;
+
+err_exit:
+	pm_runtime_put_sync(priv->dev);
+	pm_runtime_disable(priv->dev);
+	return ret;
+}
+
+static int jh7110_ispcrg_remove(struct platform_device *pdev)
+{
+	pm_runtime_put_sync(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
+
+	return 0;
+}
+
+static const struct of_device_id jh7110_ispcrg_match[] = {
+	{ .compatible = "starfive,jh7110-ispcrg" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, jh7110_ispcrg_match);
+
+static struct platform_driver jh7110_ispcrg_driver = {
+	.probe = jh7110_ispcrg_probe,
+	.remove = jh7110_ispcrg_remove,
+	.driver = {
+		.name = "clk-starfive-jh7110-isp",
+		.of_match_table = jh7110_ispcrg_match,
+		.pm = pm_ptr(&jh7110_ispcrg_pm_ops),
+	},
+};
+module_platform_driver(jh7110_ispcrg_driver);
+
+MODULE_AUTHOR("Xingyu Wu <xingyu.wu@starfivetech.com>");
+MODULE_DESCRIPTION("StarFive JH7110 Image-Signal-Process clock driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/clk/starfive/clk-starfive-jh7110-pll.c b/drivers/clk/starfive/clk-starfive-jh7110-pll.c
new file mode 100644
index 000000000000..3598390e8fd0
--- /dev/null
+++ b/drivers/clk/starfive/clk-starfive-jh7110-pll.c
@@ -0,0 +1,507 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * StarFive JH7110 PLL Clock Generator Driver
+ *
+ * Copyright (C) 2023 StarFive Technology Co., Ltd.
+ * Copyright (C) 2023 Emil Renner Berthing <emil.renner.berthing@canonical.com>
+ *
+ * This driver is about to register JH7110 PLL clock generator and support ops.
+ * The JH7110 have three PLL clock, PLL0, PLL1 and PLL2.
+ * Each PLL clocks work in integer mode or fraction mode by some dividers,
+ * and the configuration registers and dividers are set in several syscon registers.
+ * The formula for calculating frequency is:
+ * Fvco = Fref * (NI + NF) / M / Q1
+ * Fref: OSC source clock rate
+ * NI: integer frequency dividing ratio of feedback divider, set by fbdiv[11:0].
+ * NF: fractional frequency dividing ratio, set by frac[23:0]. NF = frac[23:0] / 2^24 = 0 ~ 0.999.
+ * M: frequency dividing ratio of pre-divider, set by prediv[5:0].
+ * Q1: frequency dividing ratio of post divider, set by 2^postdiv1[1:0], eg. 1, 2, 4 or 8.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk-provider.h>
+#include <linux/debugfs.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/starfive,jh7110-crg.h>
+
+/* this driver expects a 24MHz input frequency from the oscillator */
+#define JH7110_PLL_OSC_RATE		24000000UL
+
+#define JH7110_PLL0_PD_OFFSET		0x18
+#define JH7110_PLL0_DACPD_SHIFT		24
+#define JH7110_PLL0_DACPD_MASK		BIT(24)
+#define JH7110_PLL0_DSMPD_SHIFT		25
+#define JH7110_PLL0_DSMPD_MASK		BIT(25)
+#define JH7110_PLL0_FBDIV_OFFSET	0x1c
+#define JH7110_PLL0_FBDIV_SHIFT		0
+#define JH7110_PLL0_FBDIV_MASK		GENMASK(11, 0)
+#define JH7110_PLL0_FRAC_OFFSET		0x20
+#define JH7110_PLL0_PREDIV_OFFSET	0x24
+
+#define JH7110_PLL1_PD_OFFSET		0x24
+#define JH7110_PLL1_DACPD_SHIFT		15
+#define JH7110_PLL1_DACPD_MASK		BIT(15)
+#define JH7110_PLL1_DSMPD_SHIFT		16
+#define JH7110_PLL1_DSMPD_MASK		BIT(16)
+#define JH7110_PLL1_FBDIV_OFFSET	0x24
+#define JH7110_PLL1_FBDIV_SHIFT		17
+#define JH7110_PLL1_FBDIV_MASK		GENMASK(28, 17)
+#define JH7110_PLL1_FRAC_OFFSET		0x28
+#define JH7110_PLL1_PREDIV_OFFSET	0x2c
+
+#define JH7110_PLL2_PD_OFFSET		0x2c
+#define JH7110_PLL2_DACPD_SHIFT		15
+#define JH7110_PLL2_DACPD_MASK		BIT(15)
+#define JH7110_PLL2_DSMPD_SHIFT		16
+#define JH7110_PLL2_DSMPD_MASK		BIT(16)
+#define JH7110_PLL2_FBDIV_OFFSET	0x2c
+#define JH7110_PLL2_FBDIV_SHIFT		17
+#define JH7110_PLL2_FBDIV_MASK		GENMASK(28, 17)
+#define JH7110_PLL2_FRAC_OFFSET		0x30
+#define JH7110_PLL2_PREDIV_OFFSET	0x34
+
+#define JH7110_PLL_FRAC_SHIFT		0
+#define JH7110_PLL_FRAC_MASK		GENMASK(23, 0)
+#define JH7110_PLL_POSTDIV1_SHIFT	28
+#define JH7110_PLL_POSTDIV1_MASK	GENMASK(29, 28)
+#define JH7110_PLL_PREDIV_SHIFT		0
+#define JH7110_PLL_PREDIV_MASK		GENMASK(5, 0)
+
+enum jh7110_pll_mode {
+	JH7110_PLL_MODE_FRACTION,
+	JH7110_PLL_MODE_INTEGER,
+};
+
+struct jh7110_pll_preset {
+	unsigned long freq;
+	u32 frac;		/* frac value should be decimals multiplied by 2^24 */
+	unsigned fbdiv    : 12;	/* fbdiv value should be 8 to 4095 */
+	unsigned prediv   :  6;
+	unsigned postdiv1 :  2;
+	unsigned mode     :  1;
+};
+
+struct jh7110_pll_info {
+	char *name;
+	const struct jh7110_pll_preset *presets;
+	unsigned int npresets;
+	struct {
+		unsigned int pd;
+		unsigned int fbdiv;
+		unsigned int frac;
+		unsigned int prediv;
+	} offsets;
+	struct {
+		u32 dacpd;
+		u32 dsmpd;
+		u32 fbdiv;
+	} masks;
+	struct {
+		char dacpd;
+		char dsmpd;
+		char fbdiv;
+	} shifts;
+};
+
+#define _JH7110_PLL(_idx, _name, _presets)				\
+	[_idx] = {							\
+		.name = _name,						\
+		.presets = _presets,					\
+		.npresets = ARRAY_SIZE(_presets),			\
+		.offsets = {						\
+			.pd = JH7110_PLL##_idx##_PD_OFFSET,		\
+			.fbdiv = JH7110_PLL##_idx##_FBDIV_OFFSET,	\
+			.frac = JH7110_PLL##_idx##_FRAC_OFFSET,		\
+			.prediv = JH7110_PLL##_idx##_PREDIV_OFFSET,	\
+		},							\
+		.masks = {						\
+			.dacpd = JH7110_PLL##_idx##_DACPD_MASK,		\
+			.dsmpd = JH7110_PLL##_idx##_DSMPD_MASK,		\
+			.fbdiv = JH7110_PLL##_idx##_FBDIV_MASK,		\
+		},							\
+		.shifts = {						\
+			.dacpd = JH7110_PLL##_idx##_DACPD_SHIFT,	\
+			.dsmpd = JH7110_PLL##_idx##_DSMPD_SHIFT,	\
+			.fbdiv = JH7110_PLL##_idx##_FBDIV_SHIFT,	\
+		},							\
+	}
+#define JH7110_PLL(idx, name, presets) _JH7110_PLL(idx, name, presets)
+
+struct jh7110_pll_data {
+	struct clk_hw hw;
+	unsigned int idx;
+};
+
+struct jh7110_pll_priv {
+	struct device *dev;
+	struct regmap *regmap;
+	struct jh7110_pll_data pll[JH7110_PLLCLK_END];
+};
+
+struct jh7110_pll_regvals {
+	u32 dacpd;
+	u32 dsmpd;
+	u32 fbdiv;
+	u32 frac;
+	u32 postdiv1;
+	u32 prediv;
+};
+
+/*
+ * Because the pll frequency is relatively fixed,
+ * it cannot be set arbitrarily, so it needs a specific configuration.
+ * PLL0 frequency should be multiple of 125MHz (USB frequency).
+ */
+static const struct jh7110_pll_preset jh7110_pll0_presets[] = {
+	{
+		.freq = 375000000,
+		.fbdiv = 125,
+		.prediv = 8,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 500000000,
+		.fbdiv = 125,
+		.prediv = 6,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 625000000,
+		.fbdiv = 625,
+		.prediv = 24,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 750000000,
+		.fbdiv = 125,
+		.prediv = 4,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 875000000,
+		.fbdiv = 875,
+		.prediv = 24,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 1000000000,
+		.fbdiv = 125,
+		.prediv = 3,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 1250000000,
+		.fbdiv = 625,
+		.prediv = 12,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 1375000000,
+		.fbdiv = 1375,
+		.prediv = 24,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 1500000000,
+		.fbdiv = 125,
+		.prediv = 2,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	},
+};
+
+static const struct jh7110_pll_preset jh7110_pll1_presets[] = {
+	{
+		.freq = 1066000000,
+		.fbdiv = 533,
+		.prediv = 12,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 1200000000,
+		.fbdiv = 50,
+		.prediv = 1,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 1400000000,
+		.fbdiv = 350,
+		.prediv = 6,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 1600000000,
+		.fbdiv = 200,
+		.prediv = 3,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	},
+};
+
+static const struct jh7110_pll_preset jh7110_pll2_presets[] = {
+	{
+		.freq = 1188000000,
+		.fbdiv = 99,
+		.prediv = 2,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	}, {
+		.freq = 1228800000,
+		.fbdiv = 256,
+		.prediv = 5,
+		.postdiv1 = 0,
+		.mode = JH7110_PLL_MODE_INTEGER,
+	},
+};
+
+static const struct jh7110_pll_info jh7110_plls[JH7110_PLLCLK_END] = {
+	JH7110_PLL(JH7110_PLLCLK_PLL0_OUT, "pll0_out", jh7110_pll0_presets),
+	JH7110_PLL(JH7110_PLLCLK_PLL1_OUT, "pll1_out", jh7110_pll1_presets),
+	JH7110_PLL(JH7110_PLLCLK_PLL2_OUT, "pll2_out", jh7110_pll2_presets),
+};
+
+static struct jh7110_pll_data *jh7110_pll_data_from(struct clk_hw *hw)
+{
+	return container_of(hw, struct jh7110_pll_data, hw);
+}
+
+static struct jh7110_pll_priv *jh7110_pll_priv_from(struct jh7110_pll_data *pll)
+{
+	return container_of(pll, struct jh7110_pll_priv, pll[pll->idx]);
+}
+
+static void jh7110_pll_regvals_get(struct regmap *regmap,
+				   const struct jh7110_pll_info *info,
+				   struct jh7110_pll_regvals *ret)
+{
+	u32 val;
+
+	regmap_read(regmap, info->offsets.pd, &val);
+	ret->dacpd = (val & info->masks.dacpd) >> info->shifts.dacpd;
+	ret->dsmpd = (val & info->masks.dsmpd) >> info->shifts.dsmpd;
+
+	regmap_read(regmap, info->offsets.fbdiv, &val);
+	ret->fbdiv = (val & info->masks.fbdiv) >> info->shifts.fbdiv;
+
+	regmap_read(regmap, info->offsets.frac, &val);
+	ret->frac = (val & JH7110_PLL_FRAC_MASK) >> JH7110_PLL_FRAC_SHIFT;
+	ret->postdiv1 = (val & JH7110_PLL_POSTDIV1_MASK) >> JH7110_PLL_POSTDIV1_SHIFT;
+
+	regmap_read(regmap, info->offsets.prediv, &val);
+	ret->prediv = (val & JH7110_PLL_PREDIV_MASK) >> JH7110_PLL_PREDIV_SHIFT;
+}
+
+static unsigned long jh7110_pll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
+{
+	struct jh7110_pll_data *pll = jh7110_pll_data_from(hw);
+	struct jh7110_pll_priv *priv = jh7110_pll_priv_from(pll);
+	struct jh7110_pll_regvals val;
+	unsigned long rate;
+
+	jh7110_pll_regvals_get(priv->regmap, &jh7110_plls[pll->idx], &val);
+
+	/*
+	 * dacpd = dsmpd = 0: fraction mode
+	 * dacpd = dsmpd = 1: integer mode, frac value ignored
+	 *
+	 * rate = parent * (fbdiv + frac/2^24) / prediv / 2^postdiv1
+	 *      = (parent * fbdiv + parent * frac / 2^24) / (prediv * 2^postdiv1)
+	 */
+	if (val.dacpd == 0 && val.dsmpd == 0)
+		rate = parent_rate * val.frac / (1UL << 24);
+	else if (val.dacpd == 1 && val.dsmpd == 1)
+		rate = 0;
+	else
+		return 0;
+
+	rate += parent_rate * val.fbdiv;
+	rate /= val.prediv << val.postdiv1;
+
+	return rate;
+}
+
+static int jh7110_pll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
+{
+	struct jh7110_pll_data *pll = jh7110_pll_data_from(hw);
+	const struct jh7110_pll_info *info = &jh7110_plls[pll->idx];
+	const struct jh7110_pll_preset *selected = &info->presets[0];
+	unsigned int idx;
+
+	/* if the parent rate doesn't match our expectations the presets won't work */
+	if (req->best_parent_rate != JH7110_PLL_OSC_RATE) {
+		req->rate = jh7110_pll_recalc_rate(hw, req->best_parent_rate);
+		return 0;
+	}
+
+	/* find highest rate lower or equal to the requested rate */
+	for (idx = 1; idx < info->npresets; idx++) {
+		const struct jh7110_pll_preset *val = &info->presets[idx];
+
+		if (req->rate < val->freq)
+			break;
+
+		selected = val;
+	}
+
+	req->rate = selected->freq;
+	return 0;
+}
+
+static int jh7110_pll_set_rate(struct clk_hw *hw, unsigned long rate,
+			       unsigned long parent_rate)
+{
+	struct jh7110_pll_data *pll = jh7110_pll_data_from(hw);
+	struct jh7110_pll_priv *priv = jh7110_pll_priv_from(pll);
+	const struct jh7110_pll_info *info = &jh7110_plls[pll->idx];
+	const struct jh7110_pll_preset *val;
+	unsigned int idx;
+
+	/* if the parent rate doesn't match our expectations the presets won't work */
+	if (parent_rate != JH7110_PLL_OSC_RATE)
+		return -EINVAL;
+
+	for (idx = 0, val = &info->presets[0]; idx < info->npresets; idx++, val++) {
+		if (val->freq == rate)
+			goto found;
+	}
+	return -EINVAL;
+
+found:
+	if (val->mode == JH7110_PLL_MODE_FRACTION)
+		regmap_update_bits(priv->regmap, info->offsets.frac, JH7110_PLL_FRAC_MASK,
+				   val->frac << JH7110_PLL_FRAC_SHIFT);
+
+	regmap_update_bits(priv->regmap, info->offsets.pd, info->masks.dacpd,
+			   (u32)val->mode << info->shifts.dacpd);
+	regmap_update_bits(priv->regmap, info->offsets.pd, info->masks.dsmpd,
+			   (u32)val->mode << info->shifts.dsmpd);
+	regmap_update_bits(priv->regmap, info->offsets.prediv, JH7110_PLL_PREDIV_MASK,
+			   (u32)val->prediv << JH7110_PLL_PREDIV_SHIFT);
+	regmap_update_bits(priv->regmap, info->offsets.fbdiv, info->masks.fbdiv,
+			   val->fbdiv << info->shifts.fbdiv);
+	regmap_update_bits(priv->regmap, info->offsets.frac, JH7110_PLL_POSTDIV1_MASK,
+			   (u32)val->postdiv1 << JH7110_PLL_POSTDIV1_SHIFT);
+
+	return 0;
+}
+
+#ifdef CONFIG_DEBUG_FS
+static int jh7110_pll_registers_read(struct seq_file *s, void *unused)
+{
+	struct jh7110_pll_data *pll = s->private;
+	struct jh7110_pll_priv *priv = jh7110_pll_priv_from(pll);
+	struct jh7110_pll_regvals val;
+
+	jh7110_pll_regvals_get(priv->regmap, &jh7110_plls[pll->idx], &val);
+
+	seq_printf(s, "fbdiv=%u\n"
+		      "frac=%u\n"
+		      "prediv=%u\n"
+		      "postdiv1=%u\n"
+		      "dacpd=%u\n"
+		      "dsmpd=%u\n",
+		      val.fbdiv, val.frac, val.prediv, val.postdiv1,
+		      val.dacpd, val.dsmpd);
+
+	return 0;
+}
+
+static int jh7110_pll_registers_open(struct inode *inode, struct file *f)
+{
+	return single_open(f, jh7110_pll_registers_read, inode->i_private);
+}
+
+static const struct file_operations jh7110_pll_registers_ops = {
+	.owner = THIS_MODULE,
+	.open = jh7110_pll_registers_open,
+	.release = single_release,
+	.read = seq_read,
+	.llseek = seq_lseek
+};
+
+static void jh7110_pll_debug_init(struct clk_hw *hw, struct dentry *dentry)
+{
+	struct jh7110_pll_data *pll = jh7110_pll_data_from(hw);
+
+	debugfs_create_file("registers", 0400, dentry, pll,
+			    &jh7110_pll_registers_ops);
+}
+#else
+#define jh7110_pll_debug_init NULL
+#endif
+
+static const struct clk_ops jh7110_pll_ops = {
+	.recalc_rate = jh7110_pll_recalc_rate,
+	.determine_rate = jh7110_pll_determine_rate,
+	.set_rate = jh7110_pll_set_rate,
+	.debug_init = jh7110_pll_debug_init,
+};
+
+static struct clk_hw *jh7110_pll_get(struct of_phandle_args *clkspec, void *data)
+{
+	struct jh7110_pll_priv *priv = data;
+	unsigned int idx = clkspec->args[0];
+
+	if (idx < JH7110_PLLCLK_END)
+		return &priv->pll[idx].hw;
+
+	return ERR_PTR(-EINVAL);
+}
+
+static int jh7110_pll_probe(struct platform_device *pdev)
+{
+	struct jh7110_pll_priv *priv;
+	unsigned int idx;
+	int ret;
+
+	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	priv->dev = &pdev->dev;
+	priv->regmap = syscon_node_to_regmap(priv->dev->of_node->parent);
+	if (IS_ERR(priv->regmap))
+		return PTR_ERR(priv->regmap);
+
+	for (idx = 0; idx < JH7110_PLLCLK_END; idx++) {
+		struct clk_parent_data parents = {
+			.index = 0,
+		};
+		struct clk_init_data init = {
+			.name = jh7110_plls[idx].name,
+			.ops = &jh7110_pll_ops,
+			.parent_data = &parents,
+			.num_parents = 1,
+			.flags = 0,
+		};
+		struct jh7110_pll_data *pll = &priv->pll[idx];
+
+		pll->hw.init = &init;
+		pll->idx = idx;
+
+		ret = devm_clk_hw_register(&pdev->dev, &pll->hw);
+		if (ret)
+			return ret;
+	}
+
+	return devm_of_clk_add_hw_provider(&pdev->dev, jh7110_pll_get, priv);
+}
+
+static const struct of_device_id jh7110_pll_match[] = {
+	{ .compatible = "starfive,jh7110-pll" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, jh7110_pll_match);
+
+static struct platform_driver jh7110_pll_driver = {
+	.driver = {
+		.name = "clk-starfive-jh7110-pll",
+		.of_match_table = jh7110_pll_match,
+	},
+};
+builtin_platform_driver_probe(jh7110_pll_driver, jh7110_pll_probe);
diff --git a/drivers/clk/starfive/clk-starfive-jh7110-stg.c b/drivers/clk/starfive/clk-starfive-jh7110-stg.c
new file mode 100644
index 000000000000..dafcb7190592
--- /dev/null
+++ b/drivers/clk/starfive/clk-starfive-jh7110-stg.c
@@ -0,0 +1,173 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * StarFive JH7110 System-Top-Group Clock Driver
+ *
+ * Copyright (C) 2022 Emil Renner Berthing <kernel@esmil.dk>
+ * Copyright (C) 2022 StarFive Technology Co., Ltd.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+
+#include <dt-bindings/clock/starfive,jh7110-crg.h>
+
+#include "clk-starfive-jh7110.h"
+
+/* external clocks */
+#define JH7110_STGCLK_OSC			(JH7110_STGCLK_END + 0)
+#define JH7110_STGCLK_HIFI4_CORE		(JH7110_STGCLK_END + 1)
+#define JH7110_STGCLK_STG_AXIAHB		(JH7110_STGCLK_END + 2)
+#define JH7110_STGCLK_USB_125M			(JH7110_STGCLK_END + 3)
+#define JH7110_STGCLK_CPU_BUS			(JH7110_STGCLK_END + 4)
+#define JH7110_STGCLK_HIFI4_AXI			(JH7110_STGCLK_END + 5)
+#define JH7110_STGCLK_NOCSTG_BUS		(JH7110_STGCLK_END + 6)
+#define JH7110_STGCLK_APB_BUS			(JH7110_STGCLK_END + 7)
+#define JH7110_STGCLK_EXT_END			(JH7110_STGCLK_END + 8)
+
+static const struct jh71x0_clk_data jh7110_stgclk_data[] = {
+	/* hifi4 */
+	JH71X0_GATE(JH7110_STGCLK_HIFI4_CLK_CORE, "hifi4_clk_core", 0,
+		    JH7110_STGCLK_HIFI4_CORE),
+	/* usb */
+	JH71X0_GATE(JH7110_STGCLK_USB0_APB, "usb0_apb", 0, JH7110_STGCLK_APB_BUS),
+	JH71X0_GATE(JH7110_STGCLK_USB0_UTMI_APB, "usb0_utmi_apb", 0, JH7110_STGCLK_APB_BUS),
+	JH71X0_GATE(JH7110_STGCLK_USB0_AXI, "usb0_axi", 0, JH7110_STGCLK_STG_AXIAHB),
+	JH71X0_GDIV(JH7110_STGCLK_USB0_LPM, "usb0_lpm", 0, 2, JH7110_STGCLK_OSC),
+	JH71X0_GDIV(JH7110_STGCLK_USB0_STB, "usb0_stb", 0, 4, JH7110_STGCLK_OSC),
+	JH71X0_GATE(JH7110_STGCLK_USB0_APP_125, "usb0_app_125", 0, JH7110_STGCLK_USB_125M),
+	JH71X0__DIV(JH7110_STGCLK_USB0_REFCLK, "usb0_refclk", 2, JH7110_STGCLK_OSC),
+	/* pci-e */
+	JH71X0_GATE(JH7110_STGCLK_PCIE0_AXI_MST0, "pcie0_axi_mst0", 0,
+		    JH7110_STGCLK_STG_AXIAHB),
+	JH71X0_GATE(JH7110_STGCLK_PCIE0_APB, "pcie0_apb", 0, JH7110_STGCLK_APB_BUS),
+	JH71X0_GATE(JH7110_STGCLK_PCIE0_TL, "pcie0_tl", 0, JH7110_STGCLK_STG_AXIAHB),
+	JH71X0_GATE(JH7110_STGCLK_PCIE1_AXI_MST0, "pcie1_axi_mst0", 0,
+		    JH7110_STGCLK_STG_AXIAHB),
+	JH71X0_GATE(JH7110_STGCLK_PCIE1_APB, "pcie1_apb", 0, JH7110_STGCLK_APB_BUS),
+	JH71X0_GATE(JH7110_STGCLK_PCIE1_TL, "pcie1_tl", 0, JH7110_STGCLK_STG_AXIAHB),
+	JH71X0_GATE(JH7110_STGCLK_PCIE_SLV_MAIN, "pcie_slv_main", CLK_IS_CRITICAL,
+		    JH7110_STGCLK_STG_AXIAHB),
+	/* security */
+	JH71X0_GATE(JH7110_STGCLK_SEC_AHB, "sec_ahb", 0, JH7110_STGCLK_STG_AXIAHB),
+	JH71X0_GATE(JH7110_STGCLK_SEC_MISC_AHB, "sec_misc_ahb", 0, JH7110_STGCLK_STG_AXIAHB),
+	/* stg mtrx */
+	JH71X0_GATE(JH7110_STGCLK_GRP0_MAIN, "mtrx_grp0_main", CLK_IS_CRITICAL,
+		    JH7110_STGCLK_CPU_BUS),
+	JH71X0_GATE(JH7110_STGCLK_GRP0_BUS, "mtrx_grp0_bus", CLK_IS_CRITICAL,
+		    JH7110_STGCLK_NOCSTG_BUS),
+	JH71X0_GATE(JH7110_STGCLK_GRP0_STG, "mtrx_grp0_stg", CLK_IS_CRITICAL,
+		    JH7110_STGCLK_STG_AXIAHB),
+	JH71X0_GATE(JH7110_STGCLK_GRP1_MAIN, "mtrx_grp1_main", CLK_IS_CRITICAL,
+		    JH7110_STGCLK_CPU_BUS),
+	JH71X0_GATE(JH7110_STGCLK_GRP1_BUS, "mtrx_grp1_bus", CLK_IS_CRITICAL,
+		    JH7110_STGCLK_NOCSTG_BUS),
+	JH71X0_GATE(JH7110_STGCLK_GRP1_STG, "mtrx_grp1_stg", CLK_IS_CRITICAL,
+		    JH7110_STGCLK_STG_AXIAHB),
+	JH71X0_GATE(JH7110_STGCLK_GRP1_HIFI, "mtrx_grp1_hifi", CLK_IS_CRITICAL,
+		    JH7110_STGCLK_HIFI4_AXI),
+	/* e24_rvpi */
+	JH71X0_GDIV(JH7110_STGCLK_E2_RTC, "e2_rtc", 0, 24, JH7110_STGCLK_OSC),
+	JH71X0_GATE(JH7110_STGCLK_E2_CORE, "e2_core", 0, JH7110_STGCLK_STG_AXIAHB),
+	JH71X0_GATE(JH7110_STGCLK_E2_DBG, "e2_dbg", 0, JH7110_STGCLK_STG_AXIAHB),
+	/* dw_sgdma1p */
+	JH71X0_GATE(JH7110_STGCLK_DMA1P_AXI, "dma1p_axi", 0, JH7110_STGCLK_STG_AXIAHB),
+	JH71X0_GATE(JH7110_STGCLK_DMA1P_AHB, "dma1p_ahb", 0, JH7110_STGCLK_STG_AXIAHB),
+};
+
+static struct clk_hw *jh7110_stgclk_get(struct of_phandle_args *clkspec, void *data)
+{
+	struct jh71x0_clk_priv *priv = data;
+	unsigned int idx = clkspec->args[0];
+
+	if (idx < JH7110_STGCLK_END)
+		return &priv->reg[idx].hw;
+
+	return ERR_PTR(-EINVAL);
+}
+
+static int jh7110_stgcrg_probe(struct platform_device *pdev)
+{
+	struct jh71x0_clk_priv *priv;
+	unsigned int idx;
+	int ret;
+
+	priv = devm_kzalloc(&pdev->dev, struct_size(priv, reg, JH7110_STGCLK_END),
+			    GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	spin_lock_init(&priv->rmw_lock);
+	priv->dev = &pdev->dev;
+	priv->base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(priv->base))
+		return PTR_ERR(priv->base);
+
+	for (idx = 0; idx < JH7110_STGCLK_END; idx++) {
+		u32 max = jh7110_stgclk_data[idx].max;
+		struct clk_parent_data parents[4] = {};
+		struct clk_init_data init = {
+			.name = jh7110_stgclk_data[idx].name,
+			.ops = starfive_jh71x0_clk_ops(max),
+			.parent_data = parents,
+			.num_parents =
+				((max & JH71X0_CLK_MUX_MASK) >> JH71X0_CLK_MUX_SHIFT) + 1,
+			.flags = jh7110_stgclk_data[idx].flags,
+		};
+		struct jh71x0_clk *clk = &priv->reg[idx];
+		const char *fw_name[JH7110_STGCLK_EXT_END - JH7110_STGCLK_END] = {
+			"osc",
+			"hifi4_core",
+			"stg_axiahb",
+			"usb_125m",
+			"cpu_bus",
+			"hifi4_axi",
+			"nocstg_bus",
+			"apb_bus"
+		};
+		unsigned int i;
+
+		for (i = 0; i < init.num_parents; i++) {
+			unsigned int pidx = jh7110_stgclk_data[idx].parents[i];
+
+			if (pidx < JH7110_STGCLK_END)
+				parents[i].hw = &priv->reg[pidx].hw;
+			else if (pidx < JH7110_STGCLK_EXT_END)
+				parents[i].fw_name = fw_name[pidx - JH7110_STGCLK_END];
+		}
+
+		clk->hw.init = &init;
+		clk->idx = idx;
+		clk->max_div = max & JH71X0_CLK_DIV_MASK;
+
+		ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
+		if (ret)
+			return ret;
+	}
+
+	ret = devm_of_clk_add_hw_provider(&pdev->dev, jh7110_stgclk_get, priv);
+	if (ret)
+		return ret;
+
+	return jh7110_reset_controller_register(priv, "rst-stg", 2);
+}
+
+static const struct of_device_id jh7110_stgcrg_match[] = {
+	{ .compatible = "starfive,jh7110-stgcrg" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, jh7110_stgcrg_match);
+
+static struct platform_driver jh7110_stgcrg_driver = {
+	.probe = jh7110_stgcrg_probe,
+	.driver = {
+		.name = "clk-starfive-jh7110-stg",
+		.of_match_table = jh7110_stgcrg_match,
+	},
+};
+module_platform_driver(jh7110_stgcrg_driver);
+
+MODULE_AUTHOR("Xingyu Wu <xingyu.wu@starfivetech.com>");
+MODULE_AUTHOR("Emil Renner Berthing <kernel@esmil.dk>");
+MODULE_DESCRIPTION("StarFive JH7110 System-Top-Group clock driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/clk/starfive/clk-starfive-jh7110-sys.c b/drivers/clk/starfive/clk-starfive-jh7110-sys.c
index e6031345ef05..3884eff9fe93 100644
--- a/drivers/clk/starfive/clk-starfive-jh7110-sys.c
+++ b/drivers/clk/starfive/clk-starfive-jh7110-sys.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/auxiliary_bus.h>
+#include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/init.h>
 #include <linux/io.h>
@@ -389,6 +390,7 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev)
 	struct jh71x0_clk_priv *priv;
 	unsigned int idx;
 	int ret;
+	struct clk *pllclk;
 
 	priv = devm_kzalloc(&pdev->dev,
 			    struct_size(priv, reg, JH7110_SYSCLK_END),
@@ -402,28 +404,42 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev)
 	if (IS_ERR(priv->base))
 		return PTR_ERR(priv->base);
 
-	/*
-	 * These PLL clocks are not actually fixed factor clocks and can be
-	 * controlled by the syscon registers of JH7110. They will be dropped
-	 * and registered in the PLL clock driver instead.
-	 */
-	/* 24MHz -> 1000.0MHz */
-	priv->pll[0] = devm_clk_hw_register_fixed_factor(priv->dev, "pll0_out",
-							 "osc", 0, 125, 3);
-	if (IS_ERR(priv->pll[0]))
-		return PTR_ERR(priv->pll[0]);
-
-	/* 24MHz -> 1066.0MHz */
-	priv->pll[1] = devm_clk_hw_register_fixed_factor(priv->dev, "pll1_out",
-							 "osc", 0, 533, 12);
-	if (IS_ERR(priv->pll[1]))
-		return PTR_ERR(priv->pll[1]);
-
-	/* 24MHz -> 1188.0MHz */
-	priv->pll[2] = devm_clk_hw_register_fixed_factor(priv->dev, "pll2_out",
-							 "osc", 0, 99, 2);
-	if (IS_ERR(priv->pll[2]))
-		return PTR_ERR(priv->pll[2]);
+	/* Use fixed factor clocks if can not get the PLL clocks from DTS */
+	pllclk = clk_get(priv->dev, "pll0_out");
+	if (IS_ERR(pllclk)) {
+		/* 24MHz -> 1000.0MHz */
+		priv->pll[0] = devm_clk_hw_register_fixed_factor(priv->dev, "pll0_out",
+								 "osc", 0, 125, 3);
+		if (IS_ERR(priv->pll[0]))
+			return PTR_ERR(priv->pll[0]);
+	} else {
+		clk_put(pllclk);
+		priv->pll[0] = NULL;
+	}
+
+	pllclk = clk_get(priv->dev, "pll1_out");
+	if (IS_ERR(pllclk)) {
+		/* 24MHz -> 1066.0MHz */
+		priv->pll[1] = devm_clk_hw_register_fixed_factor(priv->dev, "pll1_out",
+								 "osc", 0, 533, 12);
+		if (IS_ERR(priv->pll[1]))
+			return PTR_ERR(priv->pll[1]);
+	} else {
+		clk_put(pllclk);
+		priv->pll[1] = NULL;
+	}
+
+	pllclk = clk_get(priv->dev, "pll2_out");
+	if (IS_ERR(pllclk)) {
+		/* 24MHz -> 1188.0MHz */
+		priv->pll[2] = devm_clk_hw_register_fixed_factor(priv->dev, "pll2_out",
+								 "osc", 0, 99, 2);
+		if (IS_ERR(priv->pll[2]))
+			return PTR_ERR(priv->pll[2]);
+	} else {
+		clk_put(pllclk);
+		priv->pll[2] = NULL;
+	}
 
 	for (idx = 0; idx < JH7110_SYSCLK_END; idx++) {
 		u32 max = jh7110_sysclk_data[idx].max;
@@ -462,6 +478,12 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev)
 				parents[i].fw_name = "tdm_ext";
 			else if (pidx == JH7110_SYSCLK_MCLK_EXT)
 				parents[i].fw_name = "mclk_ext";
+			else if (pidx == JH7110_SYSCLK_PLL0_OUT && !priv->pll[0])
+				parents[i].fw_name = "pll0_out";
+			else if (pidx == JH7110_SYSCLK_PLL1_OUT && !priv->pll[1])
+				parents[i].fw_name = "pll1_out";
+			else if (pidx == JH7110_SYSCLK_PLL2_OUT && !priv->pll[2])
+				parents[i].fw_name = "pll2_out";
 			else
 				parents[i].hw = priv->pll[pidx - JH7110_SYSCLK_PLL0_OUT];
 		}
diff --git a/drivers/clk/starfive/clk-starfive-jh7110-vout.c b/drivers/clk/starfive/clk-starfive-jh7110-vout.c
new file mode 100644
index 000000000000..10cc1ec43925
--- /dev/null
+++ b/drivers/clk/starfive/clk-starfive-jh7110-vout.c
@@ -0,0 +1,239 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * StarFive JH7110 Video-Output Clock Driver
+ *
+ * Copyright (C) 2022-2023 StarFive Technology Co., Ltd.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/reset.h>
+
+#include <dt-bindings/clock/starfive,jh7110-crg.h>
+
+#include "clk-starfive-jh7110.h"
+
+/* external clocks */
+#define JH7110_VOUTCLK_VOUT_SRC			(JH7110_VOUTCLK_END + 0)
+#define JH7110_VOUTCLK_VOUT_TOP_AHB		(JH7110_VOUTCLK_END + 1)
+#define JH7110_VOUTCLK_VOUT_TOP_AXI		(JH7110_VOUTCLK_END + 2)
+#define JH7110_VOUTCLK_VOUT_TOP_HDMITX0_MCLK	(JH7110_VOUTCLK_END + 3)
+#define JH7110_VOUTCLK_I2STX0_BCLK		(JH7110_VOUTCLK_END + 4)
+#define JH7110_VOUTCLK_HDMITX0_PIXELCLK		(JH7110_VOUTCLK_END + 5)
+#define JH7110_VOUTCLK_EXT_END			(JH7110_VOUTCLK_END + 6)
+
+static struct clk_bulk_data jh7110_vout_top_clks[] = {
+	{ .id = "vout_src" },
+	{ .id = "vout_top_ahb" }
+};
+
+static const struct jh71x0_clk_data jh7110_voutclk_data[] = {
+	/* divider */
+	JH71X0__DIV(JH7110_VOUTCLK_APB, "apb", 8, JH7110_VOUTCLK_VOUT_TOP_AHB),
+	JH71X0__DIV(JH7110_VOUTCLK_DC8200_PIX, "dc8200_pix", 63, JH7110_VOUTCLK_VOUT_SRC),
+	JH71X0__DIV(JH7110_VOUTCLK_DSI_SYS, "dsi_sys", 31, JH7110_VOUTCLK_VOUT_SRC),
+	JH71X0__DIV(JH7110_VOUTCLK_TX_ESC, "tx_esc", 31, JH7110_VOUTCLK_VOUT_TOP_AHB),
+	/* dc8200 */
+	JH71X0_GATE(JH7110_VOUTCLK_DC8200_AXI, "dc8200_axi", 0, JH7110_VOUTCLK_VOUT_TOP_AXI),
+	JH71X0_GATE(JH7110_VOUTCLK_DC8200_CORE, "dc8200_core", 0, JH7110_VOUTCLK_VOUT_TOP_AXI),
+	JH71X0_GATE(JH7110_VOUTCLK_DC8200_AHB, "dc8200_ahb", 0, JH7110_VOUTCLK_VOUT_TOP_AHB),
+	JH71X0_GMUX(JH7110_VOUTCLK_DC8200_PIX0, "dc8200_pix0", 0, 2,
+		    JH7110_VOUTCLK_DC8200_PIX,
+		    JH7110_VOUTCLK_HDMITX0_PIXELCLK),
+	JH71X0_GMUX(JH7110_VOUTCLK_DC8200_PIX1, "dc8200_pix1", 0, 2,
+		    JH7110_VOUTCLK_DC8200_PIX,
+		    JH7110_VOUTCLK_HDMITX0_PIXELCLK),
+	/* LCD */
+	JH71X0_GMUX(JH7110_VOUTCLK_DOM_VOUT_TOP_LCD, "dom_vout_top_lcd", 0, 2,
+		    JH7110_VOUTCLK_DC8200_PIX0,
+		    JH7110_VOUTCLK_DC8200_PIX1),
+	/* dsiTx */
+	JH71X0_GATE(JH7110_VOUTCLK_DSITX_APB, "dsiTx_apb", 0, JH7110_VOUTCLK_DSI_SYS),
+	JH71X0_GATE(JH7110_VOUTCLK_DSITX_SYS, "dsiTx_sys", 0, JH7110_VOUTCLK_DSI_SYS),
+	JH71X0_GMUX(JH7110_VOUTCLK_DSITX_DPI, "dsiTx_dpi", 0, 2,
+		    JH7110_VOUTCLK_DC8200_PIX,
+		    JH7110_VOUTCLK_HDMITX0_PIXELCLK),
+	JH71X0_GATE(JH7110_VOUTCLK_DSITX_TXESC, "dsiTx_txesc", 0, JH7110_VOUTCLK_TX_ESC),
+	/* mipitx DPHY */
+	JH71X0_GATE(JH7110_VOUTCLK_MIPITX_DPHY_TXESC, "mipitx_dphy_txesc", 0,
+		    JH7110_VOUTCLK_TX_ESC),
+	/* hdmi */
+	JH71X0_GATE(JH7110_VOUTCLK_HDMI_TX_MCLK, "hdmi_tx_mclk", 0,
+		    JH7110_VOUTCLK_VOUT_TOP_HDMITX0_MCLK),
+	JH71X0_GATE(JH7110_VOUTCLK_HDMI_TX_BCLK, "hdmi_tx_bclk", 0,
+		    JH7110_VOUTCLK_I2STX0_BCLK),
+	JH71X0_GATE(JH7110_VOUTCLK_HDMI_TX_SYS, "hdmi_tx_sys", 0, JH7110_VOUTCLK_APB),
+};
+
+static int jh7110_vout_top_rst_init(struct jh71x0_clk_priv *priv)
+{
+	struct reset_control *top_rst;
+
+	/* The reset should be shared and other Vout modules will use its. */
+	top_rst = devm_reset_control_get_shared(priv->dev, NULL);
+	if (IS_ERR(top_rst))
+		return dev_err_probe(priv->dev, PTR_ERR(top_rst), "failed to get top reset\n");
+
+	return reset_control_deassert(top_rst);
+}
+
+static struct clk_hw *jh7110_voutclk_get(struct of_phandle_args *clkspec, void *data)
+{
+	struct jh71x0_clk_priv *priv = data;
+	unsigned int idx = clkspec->args[0];
+
+	if (idx < JH7110_VOUTCLK_END)
+		return &priv->reg[idx].hw;
+
+	return ERR_PTR(-EINVAL);
+}
+
+#ifdef CONFIG_PM
+static int jh7110_voutcrg_suspend(struct device *dev)
+{
+	struct jh7110_top_sysclk *top = dev_get_drvdata(dev);
+
+	clk_bulk_disable_unprepare(top->top_clks_num, top->top_clks);
+
+	return 0;
+}
+
+static int jh7110_voutcrg_resume(struct device *dev)
+{
+	struct jh7110_top_sysclk *top = dev_get_drvdata(dev);
+
+	return clk_bulk_prepare_enable(top->top_clks_num, top->top_clks);
+}
+
+static const struct dev_pm_ops jh7110_voutcrg_pm_ops = {
+	RUNTIME_PM_OPS(jh7110_voutcrg_suspend, jh7110_voutcrg_resume, NULL)
+};
+#endif
+
+static int jh7110_voutcrg_probe(struct platform_device *pdev)
+{
+	struct jh71x0_clk_priv *priv;
+	struct jh7110_top_sysclk *top;
+	unsigned int idx;
+	int ret;
+
+	priv = devm_kzalloc(&pdev->dev,
+			    struct_size(priv, reg, JH7110_VOUTCLK_END),
+			    GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	top = devm_kzalloc(&pdev->dev, sizeof(*top), GFP_KERNEL);
+	if (!top)
+		return -ENOMEM;
+
+	spin_lock_init(&priv->rmw_lock);
+	priv->dev = &pdev->dev;
+	priv->base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(priv->base))
+		return PTR_ERR(priv->base);
+
+	top->top_clks = jh7110_vout_top_clks;
+	top->top_clks_num = ARRAY_SIZE(jh7110_vout_top_clks);
+	ret = devm_clk_bulk_get(priv->dev, top->top_clks_num, top->top_clks);
+	if (ret)
+		return dev_err_probe(priv->dev, ret, "failed to get top clocks\n");
+	dev_set_drvdata(priv->dev, top);
+
+	/* enable power domain and clocks */
+	pm_runtime_enable(priv->dev);
+	ret = pm_runtime_get_sync(priv->dev);
+	if (ret < 0)
+		return dev_err_probe(priv->dev, ret, "failed to turn on power\n");
+
+	ret = jh7110_vout_top_rst_init(priv);
+	if (ret)
+		goto err_exit;
+
+	for (idx = 0; idx < JH7110_VOUTCLK_END; idx++) {
+		u32 max = jh7110_voutclk_data[idx].max;
+		struct clk_parent_data parents[4] = {};
+		struct clk_init_data init = {
+			.name = jh7110_voutclk_data[idx].name,
+			.ops = starfive_jh71x0_clk_ops(max),
+			.parent_data = parents,
+			.num_parents =
+				((max & JH71X0_CLK_MUX_MASK) >> JH71X0_CLK_MUX_SHIFT) + 1,
+			.flags = jh7110_voutclk_data[idx].flags,
+		};
+		struct jh71x0_clk *clk = &priv->reg[idx];
+		unsigned int i;
+		const char *fw_name[JH7110_VOUTCLK_EXT_END - JH7110_VOUTCLK_END] = {
+			"vout_src",
+			"vout_top_ahb",
+			"vout_top_axi",
+			"vout_top_hdmitx0_mclk",
+			"i2stx0_bclk",
+			"hdmitx0_pixelclk"
+		};
+
+		for (i = 0; i < init.num_parents; i++) {
+			unsigned int pidx = jh7110_voutclk_data[idx].parents[i];
+
+			if (pidx < JH7110_VOUTCLK_END)
+				parents[i].hw = &priv->reg[pidx].hw;
+			else if (pidx < JH7110_VOUTCLK_EXT_END)
+				parents[i].fw_name = fw_name[pidx - JH7110_VOUTCLK_END];
+		}
+
+		clk->hw.init = &init;
+		clk->idx = idx;
+		clk->max_div = max & JH71X0_CLK_DIV_MASK;
+
+		ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
+		if (ret)
+			goto err_exit;
+	}
+
+	ret = devm_of_clk_add_hw_provider(&pdev->dev, jh7110_voutclk_get, priv);
+	if (ret)
+		goto err_exit;
+
+	ret = jh7110_reset_controller_register(priv, "rst-vo", 4);
+	if (ret)
+		goto err_exit;
+
+	return 0;
+
+err_exit:
+	pm_runtime_put_sync(priv->dev);
+	pm_runtime_disable(priv->dev);
+	return ret;
+}
+
+static int jh7110_voutcrg_remove(struct platform_device *pdev)
+{
+	pm_runtime_put_sync(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
+
+	return 0;
+}
+
+static const struct of_device_id jh7110_voutcrg_match[] = {
+	{ .compatible = "starfive,jh7110-voutcrg" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, jh7110_voutcrg_match);
+
+static struct platform_driver jh7110_voutcrg_driver = {
+	.probe = jh7110_voutcrg_probe,
+	.remove = jh7110_voutcrg_remove,
+	.driver = {
+		.name = "clk-starfive-jh7110-vout",
+		.of_match_table = jh7110_voutcrg_match,
+		.pm = pm_ptr(&jh7110_voutcrg_pm_ops),
+	},
+};
+module_platform_driver(jh7110_voutcrg_driver);
+
+MODULE_AUTHOR("Xingyu Wu <xingyu.wu@starfivetech.com>");
+MODULE_DESCRIPTION("StarFive JH7110 Video-Output clock driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/clk/starfive/clk-starfive-jh7110.h b/drivers/clk/starfive/clk-starfive-jh7110.h
index f29682b8d400..0659adae4d76 100644
--- a/drivers/clk/starfive/clk-starfive-jh7110.h
+++ b/drivers/clk/starfive/clk-starfive-jh7110.h
@@ -4,6 +4,12 @@
 
 #include "clk-starfive-jh71x0.h"
 
+/* top clocks of ISP/VOUT domain from JH7110 SYSCRG */
+struct jh7110_top_sysclk {
+	struct clk_bulk_data *top_clks;
+	int top_clks_num;
+};
+
 int jh7110_reset_controller_register(struct jh71x0_clk_priv *priv,
 				     const char *adev_name,
 				     u32 adev_id);