[v2,01/14] clk: starfive: Factor out common JH7100 and JH7110 code

diff --git a/MAINTAINERS b/MAINTAINERS
index 256f03904987..d43daa89d5f1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19602,7 +19602,7 @@  STARFIVE JH7100 CLOCK DRIVERS
 M:	Emil Renner Berthing <kernel@esmil.dk>
 S:	Maintained
 F:	Documentation/devicetree/bindings/clock/starfive,jh7100-*.yaml
-F:	drivers/clk/starfive/clk-starfive-jh7100*
+F:	drivers/clk/starfive/
 F:	include/dt-bindings/clock/starfive-jh7100*.h
 
 STARFIVE JH7100 PINCTRL DRIVER
diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig
index 003bd2d56ce7..594d516dcb38 100644
--- a/drivers/clk/starfive/Kconfig
+++ b/drivers/clk/starfive/Kconfig
@@ -1,8 +1,12 @@ 
 # SPDX-License-Identifier: GPL-2.0
 
+config CLK_STARFIVE_JH71X0
+	bool
+
 config CLK_STARFIVE_JH7100
 	bool "StarFive JH7100 clock support"
 	depends on SOC_STARFIVE || COMPILE_TEST
+	select CLK_STARFIVE_JH71X0
 	default SOC_STARFIVE
 	help
 	  Say yes here to support the clock controller on the StarFive JH7100
@@ -11,6 +15,7 @@  config CLK_STARFIVE_JH7100
 config CLK_STARFIVE_JH7100_AUDIO
 	tristate "StarFive JH7100 audio clock support"
 	depends on CLK_STARFIVE_JH7100
+	select CLK_STARFIVE_JH71X0
 	default m if SOC_STARFIVE
 	help
 	  Say Y or M here to support the audio clocks on the StarFive JH7100
diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile
index 0fa8ecb9ec1c..82edfa9f9cb8 100644
--- a/drivers/clk/starfive/Makefile
+++ b/drivers/clk/starfive/Makefile
@@ -1,4 +1,5 @@ 
 # SPDX-License-Identifier: GPL-2.0
-# StarFive Clock
+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
diff --git a/drivers/clk/starfive/clk-starfive-jh7100.c b/drivers/clk/starfive/clk-starfive-jh7100.c
index 691aeebc7092..eea52f16af0d 100644
--- a/drivers/clk/starfive/clk-starfive-jh7100.c
+++ b/drivers/clk/starfive/clk-starfive-jh7100.c
@@ -7,15 +7,10 @@ 
  * Copyright (C) 2021 Emil Renner Berthing <kernel@esmil.dk>
  */
 
-#include <linux/bits.h>
 #include <linux/clk-provider.h>
-#include <linux/debugfs.h>
 #include <linux/device.h>
 #include <linux/init.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
 #include <linux/mod_devicetable.h>
-#include <linux/module.h>
 #include <linux/platform_device.h>
 
 #include <dt-bindings/clock/starfive-jh7100.h>
@@ -269,326 +264,6 @@  static const struct jh7100_clk_data jh7100_clk_data[] __initconst = {
 	JH7100_GATE(JH7100_CLK_SYSERR_APB, "syserr_apb", 0, JH7100_CLK_APB2_BUS),
 };
 
-static struct jh7100_clk *jh7100_clk_from(struct clk_hw *hw)
-{
-	return container_of(hw, struct jh7100_clk, hw);
-}
-
-static struct jh7100_clk_priv *jh7100_priv_from(struct jh7100_clk *clk)
-{
-	return container_of(clk, struct jh7100_clk_priv, reg[clk->idx]);
-}
-
-static u32 jh7100_clk_reg_get(struct jh7100_clk *clk)
-{
-	struct jh7100_clk_priv *priv = jh7100_priv_from(clk);
-	void __iomem *reg = priv->base + 4 * clk->idx;
-
-	return readl_relaxed(reg);
-}
-
-static void jh7100_clk_reg_rmw(struct jh7100_clk *clk, u32 mask, u32 value)
-{
-	struct jh7100_clk_priv *priv = jh7100_priv_from(clk);
-	void __iomem *reg = priv->base + 4 * clk->idx;
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->rmw_lock, flags);
-	value |= readl_relaxed(reg) & ~mask;
-	writel_relaxed(value, reg);
-	spin_unlock_irqrestore(&priv->rmw_lock, flags);
-}
-
-static int jh7100_clk_enable(struct clk_hw *hw)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-
-	jh7100_clk_reg_rmw(clk, JH7100_CLK_ENABLE, JH7100_CLK_ENABLE);
-	return 0;
-}
-
-static void jh7100_clk_disable(struct clk_hw *hw)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-
-	jh7100_clk_reg_rmw(clk, JH7100_CLK_ENABLE, 0);
-}
-
-static int jh7100_clk_is_enabled(struct clk_hw *hw)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-
-	return !!(jh7100_clk_reg_get(clk) & JH7100_CLK_ENABLE);
-}
-
-static unsigned long jh7100_clk_recalc_rate(struct clk_hw *hw,
-					    unsigned long parent_rate)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-	u32 div = jh7100_clk_reg_get(clk) & JH7100_CLK_DIV_MASK;
-
-	return div ? parent_rate / div : 0;
-}
-
-static int jh7100_clk_determine_rate(struct clk_hw *hw,
-				     struct clk_rate_request *req)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-	unsigned long parent = req->best_parent_rate;
-	unsigned long rate = clamp(req->rate, req->min_rate, req->max_rate);
-	unsigned long div = min_t(unsigned long, DIV_ROUND_UP(parent, rate), clk->max_div);
-	unsigned long result = parent / div;
-
-	/*
-	 * we want the result clamped by min_rate and max_rate if possible:
-	 * case 1: div hits the max divider value, which means it's less than
-	 * parent / rate, so the result is greater than rate and min_rate in
-	 * particular. we can't do anything about result > max_rate because the
-	 * divider doesn't go any further.
-	 * case 2: div = DIV_ROUND_UP(parent, rate) which means the result is
-	 * always lower or equal to rate and max_rate. however the result may
-	 * turn out lower than min_rate, but then the next higher rate is fine:
-	 *   div - 1 = ceil(parent / rate) - 1 < parent / rate
-	 * and thus
-	 *   min_rate <= rate < parent / (div - 1)
-	 */
-	if (result < req->min_rate && div > 1)
-		result = parent / (div - 1);
-
-	req->rate = result;
-	return 0;
-}
-
-static int jh7100_clk_set_rate(struct clk_hw *hw,
-			       unsigned long rate,
-			       unsigned long parent_rate)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-	unsigned long div = clamp(DIV_ROUND_CLOSEST(parent_rate, rate),
-				  1UL, (unsigned long)clk->max_div);
-
-	jh7100_clk_reg_rmw(clk, JH7100_CLK_DIV_MASK, div);
-	return 0;
-}
-
-static unsigned long jh7100_clk_frac_recalc_rate(struct clk_hw *hw,
-						 unsigned long parent_rate)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-	u32 reg = jh7100_clk_reg_get(clk);
-	unsigned long div100 = 100 * (reg & JH7100_CLK_INT_MASK) +
-			       ((reg & JH7100_CLK_FRAC_MASK) >> JH7100_CLK_FRAC_SHIFT);
-
-	return (div100 >= JH7100_CLK_FRAC_MIN) ? 100 * parent_rate / div100 : 0;
-}
-
-static int jh7100_clk_frac_determine_rate(struct clk_hw *hw,
-					  struct clk_rate_request *req)
-{
-	unsigned long parent100 = 100 * req->best_parent_rate;
-	unsigned long rate = clamp(req->rate, req->min_rate, req->max_rate);
-	unsigned long div100 = clamp(DIV_ROUND_CLOSEST(parent100, rate),
-				     JH7100_CLK_FRAC_MIN, JH7100_CLK_FRAC_MAX);
-	unsigned long result = parent100 / div100;
-
-	/* clamp the result as in jh7100_clk_determine_rate() above */
-	if (result > req->max_rate && div100 < JH7100_CLK_FRAC_MAX)
-		result = parent100 / (div100 + 1);
-	if (result < req->min_rate && div100 > JH7100_CLK_FRAC_MIN)
-		result = parent100 / (div100 - 1);
-
-	req->rate = result;
-	return 0;
-}
-
-static int jh7100_clk_frac_set_rate(struct clk_hw *hw,
-				    unsigned long rate,
-				    unsigned long parent_rate)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-	unsigned long div100 = clamp(DIV_ROUND_CLOSEST(100 * parent_rate, rate),
-				     JH7100_CLK_FRAC_MIN, JH7100_CLK_FRAC_MAX);
-	u32 value = ((div100 % 100) << JH7100_CLK_FRAC_SHIFT) | (div100 / 100);
-
-	jh7100_clk_reg_rmw(clk, JH7100_CLK_DIV_MASK, value);
-	return 0;
-}
-
-static u8 jh7100_clk_get_parent(struct clk_hw *hw)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-	u32 value = jh7100_clk_reg_get(clk);
-
-	return (value & JH7100_CLK_MUX_MASK) >> JH7100_CLK_MUX_SHIFT;
-}
-
-static int jh7100_clk_set_parent(struct clk_hw *hw, u8 index)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-	u32 value = (u32)index << JH7100_CLK_MUX_SHIFT;
-
-	jh7100_clk_reg_rmw(clk, JH7100_CLK_MUX_MASK, value);
-	return 0;
-}
-
-static int jh7100_clk_mux_determine_rate(struct clk_hw *hw,
-					 struct clk_rate_request *req)
-{
-	return clk_mux_determine_rate_flags(hw, req, 0);
-}
-
-static int jh7100_clk_get_phase(struct clk_hw *hw)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-	u32 value = jh7100_clk_reg_get(clk);
-
-	return (value & JH7100_CLK_INVERT) ? 180 : 0;
-}
-
-static int jh7100_clk_set_phase(struct clk_hw *hw, int degrees)
-{
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-	u32 value;
-
-	if (degrees == 0)
-		value = 0;
-	else if (degrees == 180)
-		value = JH7100_CLK_INVERT;
-	else
-		return -EINVAL;
-
-	jh7100_clk_reg_rmw(clk, JH7100_CLK_INVERT, value);
-	return 0;
-}
-
-#ifdef CONFIG_DEBUG_FS
-static void jh7100_clk_debug_init(struct clk_hw *hw, struct dentry *dentry)
-{
-	static const struct debugfs_reg32 jh7100_clk_reg = {
-		.name = "CTRL",
-		.offset = 0,
-	};
-	struct jh7100_clk *clk = jh7100_clk_from(hw);
-	struct jh7100_clk_priv *priv = jh7100_priv_from(clk);
-	struct debugfs_regset32 *regset;
-
-	regset = devm_kzalloc(priv->dev, sizeof(*regset), GFP_KERNEL);
-	if (!regset)
-		return;
-
-	regset->regs = &jh7100_clk_reg;
-	regset->nregs = 1;
-	regset->base = priv->base + 4 * clk->idx;
-
-	debugfs_create_regset32("registers", 0400, dentry, regset);
-}
-#else
-#define jh7100_clk_debug_init NULL
-#endif
-
-static const struct clk_ops jh7100_clk_gate_ops = {
-	.enable = jh7100_clk_enable,
-	.disable = jh7100_clk_disable,
-	.is_enabled = jh7100_clk_is_enabled,
-	.debug_init = jh7100_clk_debug_init,
-};
-
-static const struct clk_ops jh7100_clk_div_ops = {
-	.recalc_rate = jh7100_clk_recalc_rate,
-	.determine_rate = jh7100_clk_determine_rate,
-	.set_rate = jh7100_clk_set_rate,
-	.debug_init = jh7100_clk_debug_init,
-};
-
-static const struct clk_ops jh7100_clk_fdiv_ops = {
-	.recalc_rate = jh7100_clk_frac_recalc_rate,
-	.determine_rate = jh7100_clk_frac_determine_rate,
-	.set_rate = jh7100_clk_frac_set_rate,
-	.debug_init = jh7100_clk_debug_init,
-};
-
-static const struct clk_ops jh7100_clk_gdiv_ops = {
-	.enable = jh7100_clk_enable,
-	.disable = jh7100_clk_disable,
-	.is_enabled = jh7100_clk_is_enabled,
-	.recalc_rate = jh7100_clk_recalc_rate,
-	.determine_rate = jh7100_clk_determine_rate,
-	.set_rate = jh7100_clk_set_rate,
-	.debug_init = jh7100_clk_debug_init,
-};
-
-static const struct clk_ops jh7100_clk_mux_ops = {
-	.determine_rate = jh7100_clk_mux_determine_rate,
-	.set_parent = jh7100_clk_set_parent,
-	.get_parent = jh7100_clk_get_parent,
-	.debug_init = jh7100_clk_debug_init,
-};
-
-static const struct clk_ops jh7100_clk_gmux_ops = {
-	.enable = jh7100_clk_enable,
-	.disable = jh7100_clk_disable,
-	.is_enabled = jh7100_clk_is_enabled,
-	.determine_rate = jh7100_clk_mux_determine_rate,
-	.set_parent = jh7100_clk_set_parent,
-	.get_parent = jh7100_clk_get_parent,
-	.debug_init = jh7100_clk_debug_init,
-};
-
-static const struct clk_ops jh7100_clk_mdiv_ops = {
-	.recalc_rate = jh7100_clk_recalc_rate,
-	.determine_rate = jh7100_clk_determine_rate,
-	.get_parent = jh7100_clk_get_parent,
-	.set_parent = jh7100_clk_set_parent,
-	.set_rate = jh7100_clk_set_rate,
-	.debug_init = jh7100_clk_debug_init,
-};
-
-static const struct clk_ops jh7100_clk_gmd_ops = {
-	.enable = jh7100_clk_enable,
-	.disable = jh7100_clk_disable,
-	.is_enabled = jh7100_clk_is_enabled,
-	.recalc_rate = jh7100_clk_recalc_rate,
-	.determine_rate = jh7100_clk_determine_rate,
-	.get_parent = jh7100_clk_get_parent,
-	.set_parent = jh7100_clk_set_parent,
-	.set_rate = jh7100_clk_set_rate,
-	.debug_init = jh7100_clk_debug_init,
-};
-
-static const struct clk_ops jh7100_clk_inv_ops = {
-	.get_phase = jh7100_clk_get_phase,
-	.set_phase = jh7100_clk_set_phase,
-	.debug_init = jh7100_clk_debug_init,
-};
-
-const struct clk_ops *starfive_jh7100_clk_ops(u32 max)
-{
-	if (max & JH7100_CLK_DIV_MASK) {
-		if (max & JH7100_CLK_MUX_MASK) {
-			if (max & JH7100_CLK_ENABLE)
-				return &jh7100_clk_gmd_ops;
-			return &jh7100_clk_mdiv_ops;
-		}
-		if (max & JH7100_CLK_ENABLE)
-			return &jh7100_clk_gdiv_ops;
-		if (max == JH7100_CLK_FRAC_MAX)
-			return &jh7100_clk_fdiv_ops;
-		return &jh7100_clk_div_ops;
-	}
-
-	if (max & JH7100_CLK_MUX_MASK) {
-		if (max & JH7100_CLK_ENABLE)
-			return &jh7100_clk_gmux_ops;
-		return &jh7100_clk_mux_ops;
-	}
-
-	if (max & JH7100_CLK_ENABLE)
-		return &jh7100_clk_gate_ops;
-
-	return &jh7100_clk_inv_ops;
-}
-EXPORT_SYMBOL_GPL(starfive_jh7100_clk_ops);
-
 static struct clk_hw *jh7100_clk_get(struct of_phandle_args *clkspec, void *data)
 {
 	struct jh7100_clk_priv *priv = data;
diff --git a/drivers/clk/starfive/clk-starfive-jh7100.h b/drivers/clk/starfive/clk-starfive-jh7100.h
index f116be5740a5..a8ba6e25b5ce 100644
--- a/drivers/clk/starfive/clk-starfive-jh7100.h
+++ b/drivers/clk/starfive/clk-starfive-jh7100.h
@@ -4,6 +4,8 @@ 
 
 #include <linux/bits.h>
 #include <linux/clk-provider.h>
+#include <linux/device.h>
+#include <linux/spinlock.h>
 
 /* register fields */
 #define JH7100_CLK_ENABLE	BIT(31)
diff --git a/drivers/clk/starfive/clk-starfive-jh71x0.c b/drivers/clk/starfive/clk-starfive-jh71x0.c
new file mode 100644
index 000000000000..6c07b61b4a32
--- /dev/null
+++ b/drivers/clk/starfive/clk-starfive-jh71x0.c
@@ -0,0 +1,333 @@ 
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * StarFive JH7100 Clock Generator Driver
+ *
+ * Copyright (C) 2021-2022 Emil Renner Berthing <kernel@esmil.dk>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/debugfs.h>
+#include <linux/device.h>
+#include <linux/io.h>
+
+#include "clk-starfive-jh7100.h"
+
+static struct jh7100_clk *jh7100_clk_from(struct clk_hw *hw)
+{
+	return container_of(hw, struct jh7100_clk, hw);
+}
+
+static struct jh7100_clk_priv *jh7100_priv_from(struct jh7100_clk *clk)
+{
+	return container_of(clk, struct jh7100_clk_priv, reg[clk->idx]);
+}
+
+static u32 jh7100_clk_reg_get(struct jh7100_clk *clk)
+{
+	struct jh7100_clk_priv *priv = jh7100_priv_from(clk);
+	void __iomem *reg = priv->base + 4 * clk->idx;
+
+	return readl_relaxed(reg);
+}
+
+static void jh7100_clk_reg_rmw(struct jh7100_clk *clk, u32 mask, u32 value)
+{
+	struct jh7100_clk_priv *priv = jh7100_priv_from(clk);
+	void __iomem *reg = priv->base + 4 * clk->idx;
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->rmw_lock, flags);
+	value |= readl_relaxed(reg) & ~mask;
+	writel_relaxed(value, reg);
+	spin_unlock_irqrestore(&priv->rmw_lock, flags);
+}
+
+static int jh7100_clk_enable(struct clk_hw *hw)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+
+	jh7100_clk_reg_rmw(clk, JH7100_CLK_ENABLE, JH7100_CLK_ENABLE);
+	return 0;
+}
+
+static void jh7100_clk_disable(struct clk_hw *hw)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+
+	jh7100_clk_reg_rmw(clk, JH7100_CLK_ENABLE, 0);
+}
+
+static int jh7100_clk_is_enabled(struct clk_hw *hw)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+
+	return !!(jh7100_clk_reg_get(clk) & JH7100_CLK_ENABLE);
+}
+
+static unsigned long jh7100_clk_recalc_rate(struct clk_hw *hw,
+					    unsigned long parent_rate)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+	u32 div = jh7100_clk_reg_get(clk) & JH7100_CLK_DIV_MASK;
+
+	return div ? parent_rate / div : 0;
+}
+
+static int jh7100_clk_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+	unsigned long parent = req->best_parent_rate;
+	unsigned long rate = clamp(req->rate, req->min_rate, req->max_rate);
+	unsigned long div = min_t(unsigned long, DIV_ROUND_UP(parent, rate), clk->max_div);
+	unsigned long result = parent / div;
+
+	/*
+	 * we want the result clamped by min_rate and max_rate if possible:
+	 * case 1: div hits the max divider value, which means it's less than
+	 * parent / rate, so the result is greater than rate and min_rate in
+	 * particular. we can't do anything about result > max_rate because the
+	 * divider doesn't go any further.
+	 * case 2: div = DIV_ROUND_UP(parent, rate) which means the result is
+	 * always lower or equal to rate and max_rate. however the result may
+	 * turn out lower than min_rate, but then the next higher rate is fine:
+	 *   div - 1 = ceil(parent / rate) - 1 < parent / rate
+	 * and thus
+	 *   min_rate <= rate < parent / (div - 1)
+	 */
+	if (result < req->min_rate && div > 1)
+		result = parent / (div - 1);
+
+	req->rate = result;
+	return 0;
+}
+
+static int jh7100_clk_set_rate(struct clk_hw *hw,
+			       unsigned long rate,
+			       unsigned long parent_rate)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+	unsigned long div = clamp(DIV_ROUND_CLOSEST(parent_rate, rate),
+				  1UL, (unsigned long)clk->max_div);
+
+	jh7100_clk_reg_rmw(clk, JH7100_CLK_DIV_MASK, div);
+	return 0;
+}
+
+static unsigned long jh7100_clk_frac_recalc_rate(struct clk_hw *hw,
+						 unsigned long parent_rate)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+	u32 reg = jh7100_clk_reg_get(clk);
+	unsigned long div100 = 100 * (reg & JH7100_CLK_INT_MASK) +
+			       ((reg & JH7100_CLK_FRAC_MASK) >> JH7100_CLK_FRAC_SHIFT);
+
+	return (div100 >= JH7100_CLK_FRAC_MIN) ? 100 * parent_rate / div100 : 0;
+}
+
+static int jh7100_clk_frac_determine_rate(struct clk_hw *hw,
+					  struct clk_rate_request *req)
+{
+	unsigned long parent100 = 100 * req->best_parent_rate;
+	unsigned long rate = clamp(req->rate, req->min_rate, req->max_rate);
+	unsigned long div100 = clamp(DIV_ROUND_CLOSEST(parent100, rate),
+				     JH7100_CLK_FRAC_MIN, JH7100_CLK_FRAC_MAX);
+	unsigned long result = parent100 / div100;
+
+	/* clamp the result as in jh7100_clk_determine_rate() above */
+	if (result > req->max_rate && div100 < JH7100_CLK_FRAC_MAX)
+		result = parent100 / (div100 + 1);
+	if (result < req->min_rate && div100 > JH7100_CLK_FRAC_MIN)
+		result = parent100 / (div100 - 1);
+
+	req->rate = result;
+	return 0;
+}
+
+static int jh7100_clk_frac_set_rate(struct clk_hw *hw,
+				    unsigned long rate,
+				    unsigned long parent_rate)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+	unsigned long div100 = clamp(DIV_ROUND_CLOSEST(100 * parent_rate, rate),
+				     JH7100_CLK_FRAC_MIN, JH7100_CLK_FRAC_MAX);
+	u32 value = ((div100 % 100) << JH7100_CLK_FRAC_SHIFT) | (div100 / 100);
+
+	jh7100_clk_reg_rmw(clk, JH7100_CLK_DIV_MASK, value);
+	return 0;
+}
+
+static u8 jh7100_clk_get_parent(struct clk_hw *hw)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+	u32 value = jh7100_clk_reg_get(clk);
+
+	return (value & JH7100_CLK_MUX_MASK) >> JH7100_CLK_MUX_SHIFT;
+}
+
+static int jh7100_clk_set_parent(struct clk_hw *hw, u8 index)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+	u32 value = (u32)index << JH7100_CLK_MUX_SHIFT;
+
+	jh7100_clk_reg_rmw(clk, JH7100_CLK_MUX_MASK, value);
+	return 0;
+}
+
+static int jh7100_clk_mux_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
+{
+	return clk_mux_determine_rate_flags(hw, req, 0);
+}
+
+static int jh7100_clk_get_phase(struct clk_hw *hw)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+	u32 value = jh7100_clk_reg_get(clk);
+
+	return (value & JH7100_CLK_INVERT) ? 180 : 0;
+}
+
+static int jh7100_clk_set_phase(struct clk_hw *hw, int degrees)
+{
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+	u32 value;
+
+	if (degrees == 0)
+		value = 0;
+	else if (degrees == 180)
+		value = JH7100_CLK_INVERT;
+	else
+		return -EINVAL;
+
+	jh7100_clk_reg_rmw(clk, JH7100_CLK_INVERT, value);
+	return 0;
+}
+
+#ifdef CONFIG_DEBUG_FS
+static void jh7100_clk_debug_init(struct clk_hw *hw, struct dentry *dentry)
+{
+	static const struct debugfs_reg32 jh7100_clk_reg = {
+		.name = "CTRL",
+		.offset = 0,
+	};
+	struct jh7100_clk *clk = jh7100_clk_from(hw);
+	struct jh7100_clk_priv *priv = jh7100_priv_from(clk);
+	struct debugfs_regset32 *regset;
+
+	regset = devm_kzalloc(priv->dev, sizeof(*regset), GFP_KERNEL);
+	if (!regset)
+		return;
+
+	regset->regs = &jh7100_clk_reg;
+	regset->nregs = 1;
+	regset->base = priv->base + 4 * clk->idx;
+
+	debugfs_create_regset32("registers", 0400, dentry, regset);
+}
+#else
+#define jh7100_clk_debug_init NULL
+#endif
+
+static const struct clk_ops jh7100_clk_gate_ops = {
+	.enable = jh7100_clk_enable,
+	.disable = jh7100_clk_disable,
+	.is_enabled = jh7100_clk_is_enabled,
+	.debug_init = jh7100_clk_debug_init,
+};
+
+static const struct clk_ops jh7100_clk_div_ops = {
+	.recalc_rate = jh7100_clk_recalc_rate,
+	.determine_rate = jh7100_clk_determine_rate,
+	.set_rate = jh7100_clk_set_rate,
+	.debug_init = jh7100_clk_debug_init,
+};
+
+static const struct clk_ops jh7100_clk_fdiv_ops = {
+	.recalc_rate = jh7100_clk_frac_recalc_rate,
+	.determine_rate = jh7100_clk_frac_determine_rate,
+	.set_rate = jh7100_clk_frac_set_rate,
+	.debug_init = jh7100_clk_debug_init,
+};
+
+static const struct clk_ops jh7100_clk_gdiv_ops = {
+	.enable = jh7100_clk_enable,
+	.disable = jh7100_clk_disable,
+	.is_enabled = jh7100_clk_is_enabled,
+	.recalc_rate = jh7100_clk_recalc_rate,
+	.determine_rate = jh7100_clk_determine_rate,
+	.set_rate = jh7100_clk_set_rate,
+	.debug_init = jh7100_clk_debug_init,
+};
+
+static const struct clk_ops jh7100_clk_mux_ops = {
+	.determine_rate = jh7100_clk_mux_determine_rate,
+	.set_parent = jh7100_clk_set_parent,
+	.get_parent = jh7100_clk_get_parent,
+	.debug_init = jh7100_clk_debug_init,
+};
+
+static const struct clk_ops jh7100_clk_gmux_ops = {
+	.enable = jh7100_clk_enable,
+	.disable = jh7100_clk_disable,
+	.is_enabled = jh7100_clk_is_enabled,
+	.determine_rate = jh7100_clk_mux_determine_rate,
+	.set_parent = jh7100_clk_set_parent,
+	.get_parent = jh7100_clk_get_parent,
+	.debug_init = jh7100_clk_debug_init,
+};
+
+static const struct clk_ops jh7100_clk_mdiv_ops = {
+	.recalc_rate = jh7100_clk_recalc_rate,
+	.determine_rate = jh7100_clk_determine_rate,
+	.get_parent = jh7100_clk_get_parent,
+	.set_parent = jh7100_clk_set_parent,
+	.set_rate = jh7100_clk_set_rate,
+	.debug_init = jh7100_clk_debug_init,
+};
+
+static const struct clk_ops jh7100_clk_gmd_ops = {
+	.enable = jh7100_clk_enable,
+	.disable = jh7100_clk_disable,
+	.is_enabled = jh7100_clk_is_enabled,
+	.recalc_rate = jh7100_clk_recalc_rate,
+	.determine_rate = jh7100_clk_determine_rate,
+	.get_parent = jh7100_clk_get_parent,
+	.set_parent = jh7100_clk_set_parent,
+	.set_rate = jh7100_clk_set_rate,
+	.debug_init = jh7100_clk_debug_init,
+};
+
+static const struct clk_ops jh7100_clk_inv_ops = {
+	.get_phase = jh7100_clk_get_phase,
+	.set_phase = jh7100_clk_set_phase,
+	.debug_init = jh7100_clk_debug_init,
+};
+
+const struct clk_ops *starfive_jh7100_clk_ops(u32 max)
+{
+	if (max & JH7100_CLK_DIV_MASK) {
+		if (max & JH7100_CLK_MUX_MASK) {
+			if (max & JH7100_CLK_ENABLE)
+				return &jh7100_clk_gmd_ops;
+			return &jh7100_clk_mdiv_ops;
+		}
+		if (max & JH7100_CLK_ENABLE)
+			return &jh7100_clk_gdiv_ops;
+		if (max == JH7100_CLK_FRAC_MAX)
+			return &jh7100_clk_fdiv_ops;
+		return &jh7100_clk_div_ops;
+	}
+
+	if (max & JH7100_CLK_MUX_MASK) {
+		if (max & JH7100_CLK_ENABLE)
+			return &jh7100_clk_gmux_ops;
+		return &jh7100_clk_mux_ops;
+	}
+
+	if (max & JH7100_CLK_ENABLE)
+		return &jh7100_clk_gate_ops;
+
+	return &jh7100_clk_inv_ops;
+}
+EXPORT_SYMBOL_GPL(starfive_jh7100_clk_ops);