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clk: starfive: jh7110: Don't save and restore isp / vout clock registers in sleep pm
Add reg_flags to identify clocks. Don't save and restore isp / vout clocks in sleep pm. Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
This commit is contained in:
parent
3c692400f8
commit
9a1b3afddb
7 changed files with 34 additions and 5 deletions
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@ -121,6 +121,7 @@ static int jh7110_aoncrg_probe(struct platform_device *pdev)
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clk->hw.init = &init;
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clk->idx = idx;
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clk->max_div = max & JH71X0_CLK_DIV_MASK;
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clk->reg_flags = JH7110_CLK_AON_FLAG;
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ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
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if (ret)
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@ -131,7 +132,7 @@ static int jh7110_aoncrg_probe(struct platform_device *pdev)
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if (ret)
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return ret;
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return jh7110_reset_controller_register(priv, "rst-aon", 1);
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return jh7110_reset_controller_register(priv, "rst-aon", JH7110_CLK_AON_FLAG);
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}
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static const struct of_device_id jh7110_aoncrg_match[] = {
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@ -180,6 +180,7 @@ static int jh7110_ispcrg_probe(struct platform_device *pdev)
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clk->hw.init = &init;
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clk->idx = idx;
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clk->max_div = max & JH71X0_CLK_DIV_MASK;
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clk->reg_flags = JH7110_CLK_ISP_FLAG;
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ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
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if (ret)
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@ -190,7 +191,7 @@ static int jh7110_ispcrg_probe(struct platform_device *pdev)
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if (ret)
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goto err_exit;
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ret = jh7110_reset_controller_register(priv, "rst-isp", 3);
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ret = jh7110_reset_controller_register(priv, "rst-isp", JH7110_CLK_ISP_FLAG);
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if (ret)
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goto err_exit;
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@ -139,6 +139,7 @@ static int jh7110_stgcrg_probe(struct platform_device *pdev)
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clk->hw.init = &init;
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clk->idx = idx;
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clk->max_div = max & JH71X0_CLK_DIV_MASK;
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clk->reg_flags = JH7110_CLK_STG_FLAG;
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ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
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if (ret)
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@ -149,7 +150,7 @@ static int jh7110_stgcrg_probe(struct platform_device *pdev)
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if (ret)
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return ret;
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return jh7110_reset_controller_register(priv, "rst-stg", 2);
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return jh7110_reset_controller_register(priv, "rst-stg", JH7110_CLK_STG_FLAG);
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}
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static const struct of_device_id jh7110_stgcrg_match[] = {
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@ -506,6 +506,7 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev)
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clk->hw.init = &init;
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clk->idx = idx;
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clk->max_div = max & JH71X0_CLK_DIV_MASK;
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clk->reg_flags = JH7110_CLK_SYS_FLAG;
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ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
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if (ret)
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@ -516,7 +517,7 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev)
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if (ret)
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return ret;
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ret = jh7110_reset_controller_register(priv, "rst-sys", 0);
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ret = jh7110_reset_controller_register(priv, "rst-sys", JH7110_CLK_SYS_FLAG);
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if (ret)
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return ret;
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@ -187,6 +187,7 @@ static int jh7110_voutcrg_probe(struct platform_device *pdev)
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clk->hw.init = &init;
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clk->idx = idx;
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clk->max_div = max & JH71X0_CLK_DIV_MASK;
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clk->reg_flags = JH7110_CLK_VOUT_FLAG;
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ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
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if (ret)
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@ -197,7 +198,7 @@ static int jh7110_voutcrg_probe(struct platform_device *pdev)
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if (ret)
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goto err_exit;
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ret = jh7110_reset_controller_register(priv, "rst-vo", 4);
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ret = jh7110_reset_controller_register(priv, "rst-vo", JH7110_CLK_VOUT_FLAG);
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if (ret)
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goto err_exit;
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@ -245,6 +245,9 @@ static int jh7110_clk_save_context(struct clk_hw *hw)
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if (!clk || !priv)
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return 0;
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if (clk->reg_flags == JH7110_CLK_ISP_FLAG || clk->reg_flags == JH7110_CLK_VOUT_FLAG)
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return 0;
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spin_lock(&priv->rmw_lock);
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clk->saved_reg = jh71x0_clk_reg_get(clk);
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spin_unlock(&priv->rmw_lock);
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@ -259,6 +262,9 @@ static void jh7110_clk_gate_restore_context(struct clk_hw *hw)
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if (!clk)
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return;
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if (clk->reg_flags == JH7110_CLK_ISP_FLAG || clk->reg_flags == JH7110_CLK_VOUT_FLAG)
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return;
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jh71x0_clk_reg_rmw(clk, JH71X0_CLK_ENABLE, clk->saved_reg);
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}
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@ -269,6 +275,9 @@ static void jh7110_clk_div_restore_context(struct clk_hw *hw)
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if (!clk)
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return;
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if (clk->reg_flags == JH7110_CLK_ISP_FLAG || clk->reg_flags == JH7110_CLK_VOUT_FLAG)
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return;
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jh71x0_clk_reg_rmw(clk, JH71X0_CLK_DIV_MASK, clk->saved_reg);
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}
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@ -279,6 +288,9 @@ static void jh7110_clk_mux_restore_context(struct clk_hw *hw)
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if (!clk)
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return;
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if (clk->reg_flags == JH7110_CLK_ISP_FLAG || clk->reg_flags == JH7110_CLK_VOUT_FLAG)
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return;
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jh71x0_clk_reg_rmw(clk, JH71X0_CLK_MUX_MASK, clk->saved_reg);
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}
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@ -289,6 +301,9 @@ static void jh7110_clk_inv_restore_context(struct clk_hw *hw)
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if (!clk)
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return;
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if (clk->reg_flags == JH7110_CLK_ISP_FLAG || clk->reg_flags == JH7110_CLK_VOUT_FLAG)
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return;
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jh71x0_clk_reg_rmw(clk, JH71X0_CLK_INVERT, clk->saved_reg);
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}
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@ -7,6 +7,14 @@
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#include <linux/device.h>
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#include <linux/spinlock.h>
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enum JH7110_CLOCK_FLAGS {
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JH7110_CLK_SYS_FLAG = 0,
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JH7110_CLK_AON_FLAG,
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JH7110_CLK_STG_FLAG,
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JH7110_CLK_ISP_FLAG,
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JH7110_CLK_VOUT_FLAG,
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};
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/* register fields */
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#define JH71X0_CLK_ENABLE BIT(31)
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#define JH71X0_CLK_INVERT BIT(30)
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@ -107,6 +115,7 @@ struct jh71x0_clk {
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struct clk_hw hw;
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unsigned int idx;
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unsigned int max_div;
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unsigned int reg_flags;
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u32 saved_reg;
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};
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