7 files changed, 68 insertions, 5 deletions

diff --git a/drivers/clk/starfive/clk-starfive-jh7110-aon.c b/drivers/clk/starfive/clk-starfive-jh7110-aon.c
index 62954eb7b50a..ad898b9eeb9c 100644
--- a/drivers/clk/starfive/clk-starfive-jh7110-aon.c
+++ b/drivers/clk/starfive/clk-starfive-jh7110-aon.c
@@ -121,6 +121,7 @@ static int jh7110_aoncrg_probe(struct platform_device *pdev)
 		clk->hw.init = &init;
 		clk->idx = idx;
 		clk->max_div = max & JH71X0_CLK_DIV_MASK;
+		clk->reg_flags = JH7110_CLK_AON_FLAG;
 
 		ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
 		if (ret)
@@ -131,7 +132,7 @@ static int jh7110_aoncrg_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	return jh7110_reset_controller_register(priv, "rst-aon", 1);
+	return jh7110_reset_controller_register(priv, "rst-aon", JH7110_CLK_AON_FLAG);
 }
 
 static const struct of_device_id jh7110_aoncrg_match[] = {
diff --git a/drivers/clk/starfive/clk-starfive-jh7110-isp.c b/drivers/clk/starfive/clk-starfive-jh7110-isp.c
index ce034ed28532..5fe8260b4de2 100644
--- a/drivers/clk/starfive/clk-starfive-jh7110-isp.c
+++ b/drivers/clk/starfive/clk-starfive-jh7110-isp.c
@@ -86,6 +86,18 @@ static struct clk_hw *jh7110_ispclk_get(struct of_phandle_args *clkspec, void *d
 	return ERR_PTR(-EINVAL);
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int jh7110_ispcrg_sleep_suspend(struct device *dev)
+{
+	return pm_runtime_force_suspend(dev);
+}
+
+static int jh7110_ispcrg_sleep_resume(struct device *dev)
+{
+	return pm_runtime_force_resume(dev);
+}
+#endif
+
 #ifdef CONFIG_PM
 static int jh7110_ispcrg_suspend(struct device *dev)
 {
@@ -105,6 +117,7 @@ static int jh7110_ispcrg_resume(struct device *dev)
 
 static const struct dev_pm_ops jh7110_ispcrg_pm_ops = {
 	RUNTIME_PM_OPS(jh7110_ispcrg_suspend, jh7110_ispcrg_resume, NULL)
+	LATE_SYSTEM_SLEEP_PM_OPS(jh7110_ispcrg_sleep_suspend, jh7110_ispcrg_sleep_resume)
 };
 #endif
 
@@ -138,6 +151,8 @@ static int jh7110_ispcrg_probe(struct platform_device *pdev)
 		return dev_err_probe(priv->dev, ret, "failed to get main clocks\n");
 	dev_set_drvdata(priv->dev, top);
 
+	pm_runtime_use_autosuspend(priv->dev);
+	pm_runtime_set_autosuspend_delay(priv->dev, 50);
 	/* enable power domain and clocks */
 	pm_runtime_enable(priv->dev);
 	ret = pm_runtime_get_sync(priv->dev);
@@ -180,6 +195,7 @@ static int jh7110_ispcrg_probe(struct platform_device *pdev)
 		clk->hw.init = &init;
 		clk->idx = idx;
 		clk->max_div = max & JH71X0_CLK_DIV_MASK;
+		clk->reg_flags = JH7110_CLK_ISP_FLAG;
 
 		ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
 		if (ret)
@@ -190,10 +206,12 @@ static int jh7110_ispcrg_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_exit;
 
-	ret = jh7110_reset_controller_register(priv, "rst-isp", 3);
+	ret = jh7110_reset_controller_register(priv, "rst-isp", JH7110_CLK_ISP_FLAG);
 	if (ret)
 		goto err_exit;
 
+	pm_runtime_put_sync(&pdev->dev);
+
 	return 0;
 
 err_exit:
diff --git a/drivers/clk/starfive/clk-starfive-jh7110-stg.c b/drivers/clk/starfive/clk-starfive-jh7110-stg.c
index dafcb7190592..4b8918d8124a 100644
--- a/drivers/clk/starfive/clk-starfive-jh7110-stg.c
+++ b/drivers/clk/starfive/clk-starfive-jh7110-stg.c
@@ -139,6 +139,7 @@ static int jh7110_stgcrg_probe(struct platform_device *pdev)
 		clk->hw.init = &init;
 		clk->idx = idx;
 		clk->max_div = max & JH71X0_CLK_DIV_MASK;
+		clk->reg_flags = JH7110_CLK_STG_FLAG;
 
 		ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
 		if (ret)
@@ -149,7 +150,7 @@ static int jh7110_stgcrg_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	return jh7110_reset_controller_register(priv, "rst-stg", 2);
+	return jh7110_reset_controller_register(priv, "rst-stg", JH7110_CLK_STG_FLAG);
 }
 
 static const struct of_device_id jh7110_stgcrg_match[] = {
diff --git a/drivers/clk/starfive/clk-starfive-jh7110-sys.c b/drivers/clk/starfive/clk-starfive-jh7110-sys.c
index da01a750efcd..a8a2d0b5a226 100644
--- a/drivers/clk/starfive/clk-starfive-jh7110-sys.c
+++ b/drivers/clk/starfive/clk-starfive-jh7110-sys.c
@@ -506,6 +506,7 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev)
 		clk->hw.init = &init;
 		clk->idx = idx;
 		clk->max_div = max & JH71X0_CLK_DIV_MASK;
+		clk->reg_flags = JH7110_CLK_SYS_FLAG;
 
 		ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
 		if (ret)
@@ -516,7 +517,7 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	ret = jh7110_reset_controller_register(priv, "rst-sys", 0);
+	ret = jh7110_reset_controller_register(priv, "rst-sys", JH7110_CLK_SYS_FLAG);
 	if (ret)
 		return ret;
 
diff --git a/drivers/clk/starfive/clk-starfive-jh7110-vout.c b/drivers/clk/starfive/clk-starfive-jh7110-vout.c
index 10cc1ec43925..80f9be979c30 100644
--- a/drivers/clk/starfive/clk-starfive-jh7110-vout.c
+++ b/drivers/clk/starfive/clk-starfive-jh7110-vout.c
@@ -91,6 +91,18 @@ static struct clk_hw *jh7110_voutclk_get(struct of_phandle_args *clkspec, void *
 	return ERR_PTR(-EINVAL);
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int jh7110_voutcrg_sleep_suspend(struct device *dev)
+{
+	return pm_runtime_force_suspend(dev);
+}
+
+static int jh7110_voutcrg_sleep_resume(struct device *dev)
+{
+	return pm_runtime_force_resume(dev);
+}
+#endif
+
 #ifdef CONFIG_PM
 static int jh7110_voutcrg_suspend(struct device *dev)
 {
@@ -110,6 +122,7 @@ static int jh7110_voutcrg_resume(struct device *dev)
 
 static const struct dev_pm_ops jh7110_voutcrg_pm_ops = {
 	RUNTIME_PM_OPS(jh7110_voutcrg_suspend, jh7110_voutcrg_resume, NULL)
+	LATE_SYSTEM_SLEEP_PM_OPS(jh7110_voutcrg_sleep_suspend, jh7110_voutcrg_sleep_resume)
 };
 #endif
 
@@ -143,6 +156,8 @@ static int jh7110_voutcrg_probe(struct platform_device *pdev)
 		return dev_err_probe(priv->dev, ret, "failed to get top clocks\n");
 	dev_set_drvdata(priv->dev, top);
 
+	pm_runtime_use_autosuspend(priv->dev);
+	pm_runtime_set_autosuspend_delay(priv->dev, 50);
 	/* enable power domain and clocks */
 	pm_runtime_enable(priv->dev);
 	ret = pm_runtime_get_sync(priv->dev);
@@ -187,6 +202,7 @@ static int jh7110_voutcrg_probe(struct platform_device *pdev)
 		clk->hw.init = &init;
 		clk->idx = idx;
 		clk->max_div = max & JH71X0_CLK_DIV_MASK;
+		clk->reg_flags = JH7110_CLK_VOUT_FLAG;
 
 		ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
 		if (ret)
@@ -197,10 +213,12 @@ static int jh7110_voutcrg_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_exit;
 
-	ret = jh7110_reset_controller_register(priv, "rst-vo", 4);
+	ret = jh7110_reset_controller_register(priv, "rst-vo", JH7110_CLK_VOUT_FLAG);
 	if (ret)
 		goto err_exit;
 
+	pm_runtime_put_sync(&pdev->dev);
+
 	return 0;
 
 err_exit:
diff --git a/drivers/clk/starfive/clk-starfive-jh71x0.c b/drivers/clk/starfive/clk-starfive-jh71x0.c
index 0a023cf226a4..8fe1f06c7e7f 100644
--- a/drivers/clk/starfive/clk-starfive-jh71x0.c
+++ b/drivers/clk/starfive/clk-starfive-jh71x0.c
@@ -245,6 +245,9 @@ static int jh7110_clk_save_context(struct clk_hw *hw)
 	if (!clk || !priv)
 		return 0;
 
+	if (clk->reg_flags == JH7110_CLK_ISP_FLAG || clk->reg_flags == JH7110_CLK_VOUT_FLAG)
+		return 0;
+
 	spin_lock(&priv->rmw_lock);
 	clk->saved_reg = jh71x0_clk_reg_get(clk);
 	spin_unlock(&priv->rmw_lock);
@@ -259,6 +262,9 @@ static void jh7110_clk_gate_restore_context(struct clk_hw *hw)
 	if (!clk)
 		return;
 
+	if (clk->reg_flags == JH7110_CLK_ISP_FLAG || clk->reg_flags == JH7110_CLK_VOUT_FLAG)
+		return;
+
 	jh71x0_clk_reg_rmw(clk, JH71X0_CLK_ENABLE, clk->saved_reg);
 }
 
@@ -269,6 +275,9 @@ static void jh7110_clk_div_restore_context(struct clk_hw *hw)
 	if (!clk)
 		return;
 
+	if (clk->reg_flags == JH7110_CLK_ISP_FLAG || clk->reg_flags == JH7110_CLK_VOUT_FLAG)
+		return;
+
 	jh71x0_clk_reg_rmw(clk, JH71X0_CLK_DIV_MASK, clk->saved_reg);
 }
 
@@ -279,6 +288,9 @@ static void jh7110_clk_mux_restore_context(struct clk_hw *hw)
 	if (!clk)
 		return;
 
+	if (clk->reg_flags == JH7110_CLK_ISP_FLAG || clk->reg_flags == JH7110_CLK_VOUT_FLAG)
+		return;
+
 	jh71x0_clk_reg_rmw(clk, JH71X0_CLK_MUX_MASK, clk->saved_reg);
 }
 
@@ -289,6 +301,9 @@ static void jh7110_clk_inv_restore_context(struct clk_hw *hw)
 	if (!clk)
 		return;
 
+	if (clk->reg_flags == JH7110_CLK_ISP_FLAG || clk->reg_flags == JH7110_CLK_VOUT_FLAG)
+		return;
+
 	jh71x0_clk_reg_rmw(clk, JH71X0_CLK_INVERT, clk->saved_reg);
 }
 
diff --git a/drivers/clk/starfive/clk-starfive-jh71x0.h b/drivers/clk/starfive/clk-starfive-jh71x0.h
index 320fefeec8ea..ec22bd509691 100644
--- a/drivers/clk/starfive/clk-starfive-jh71x0.h
+++ b/drivers/clk/starfive/clk-starfive-jh71x0.h
@@ -7,6 +7,14 @@
 #include <linux/device.h>
 #include <linux/spinlock.h>
 
+enum JH7110_CLOCK_FLAGS {
+	JH7110_CLK_SYS_FLAG = 0,
+	JH7110_CLK_AON_FLAG,
+	JH7110_CLK_STG_FLAG,
+	JH7110_CLK_ISP_FLAG,
+	JH7110_CLK_VOUT_FLAG,
+};
+
 /* register fields */
 #define JH71X0_CLK_ENABLE	BIT(31)
 #define JH71X0_CLK_INVERT	BIT(30)
@@ -107,6 +115,7 @@ struct jh71x0_clk {
 	struct clk_hw hw;
 	unsigned int idx;
 	unsigned int max_div;
+	unsigned int reg_flags;
 	u32 saved_reg;
 };