X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=drivers%2Fclk%2Fclk-s2mps11.c;h=b7797fb12e1254d5e9e8a2214b11286b21e991eb;hb=ffa3a37a611190b2a7f44b24b903b3985d8ba780;hp=9b7b5859a4206f3414e67b37f48675f8d94919f6;hpb=cf6f3976045468049038cfc45586b8b16c33dd05;p=cascardo%2Flinux.git

diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
index 9b7b5859a420..4f98898efd3c 100644
--- a/drivers/clk/clk-s2mps11.c
+++ b/drivers/clk/clk-s2mps11.c
@@ -23,6 +23,7 @@
 #include <linux/clk-provider.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/samsung/s2mps11.h>
+#include <linux/mfd/samsung/s2mps13.h>
 #include <linux/mfd/samsung/s2mps14.h>
 #include <linux/mfd/samsung/s5m8767.h>
 #include <linux/mfd/samsung/core.h>
@@ -46,7 +47,6 @@ struct s2mps11_clk {
 	struct clk *clk;
 	struct clk_lookup *lookup;
 	u32 mask;
-	bool enabled;
 	unsigned int reg;
 };
 
@@ -63,8 +63,6 @@ static int s2mps11_clk_prepare(struct clk_hw *hw)
 	ret = regmap_update_bits(s2mps11->iodev->regmap_pmic,
 				 s2mps11->reg,
 				 s2mps11->mask, s2mps11->mask);
-	if (!ret)
-		s2mps11->enabled = true;
 
 	return ret;
 }
@@ -76,32 +74,32 @@ static void s2mps11_clk_unprepare(struct clk_hw *hw)
 
 	ret = regmap_update_bits(s2mps11->iodev->regmap_pmic, s2mps11->reg,
 			   s2mps11->mask, ~s2mps11->mask);
-
-	if (!ret)
-		s2mps11->enabled = false;
 }
 
-static int s2mps11_clk_is_enabled(struct clk_hw *hw)
+static int s2mps11_clk_is_prepared(struct clk_hw *hw)
 {
+	int ret;
+	u32 val;
 	struct s2mps11_clk *s2mps11 = to_s2mps11_clk(hw);
 
-	return s2mps11->enabled;
+	ret = regmap_read(s2mps11->iodev->regmap_pmic,
+				s2mps11->reg, &val);
+	if (ret < 0)
+		return -EINVAL;
+
+	return val & s2mps11->mask;
 }
 
 static unsigned long s2mps11_clk_recalc_rate(struct clk_hw *hw,
 					     unsigned long parent_rate)
 {
-	struct s2mps11_clk *s2mps11 = to_s2mps11_clk(hw);
-	if (s2mps11->enabled)
-		return 32768;
-	else
-		return 0;
+	return 32768;
 }
 
 static struct clk_ops s2mps11_clk_ops = {
 	.prepare	= s2mps11_clk_prepare,
 	.unprepare	= s2mps11_clk_unprepare,
-	.is_enabled	= s2mps11_clk_is_enabled,
+	.is_prepared	= s2mps11_clk_is_prepared,
 	.recalc_rate	= s2mps11_clk_recalc_rate,
 };
 
@@ -123,6 +121,24 @@ static struct clk_init_data s2mps11_clks_init[S2MPS11_CLKS_NUM] = {
 	},
 };
 
+static struct clk_init_data s2mps13_clks_init[S2MPS11_CLKS_NUM] = {
+	[S2MPS11_CLK_AP] = {
+		.name = "s2mps13_ap",
+		.ops = &s2mps11_clk_ops,
+		.flags = CLK_IS_ROOT,
+	},
+	[S2MPS11_CLK_CP] = {
+		.name = "s2mps13_cp",
+		.ops = &s2mps11_clk_ops,
+		.flags = CLK_IS_ROOT,
+	},
+	[S2MPS11_CLK_BT] = {
+		.name = "s2mps13_bt",
+		.ops = &s2mps11_clk_ops,
+		.flags = CLK_IS_ROOT,
+	},
+};
+
 static struct clk_init_data s2mps14_clks_init[S2MPS11_CLKS_NUM] = {
 	[S2MPS11_CLK_AP] = {
 		.name = "s2mps14_ap",
@@ -169,7 +185,6 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
 	unsigned int s2mps11_reg;
 	struct clk_init_data *clks_init;
 	int i, ret = 0;
-	u32 val;
 
 	s2mps11_clks = devm_kzalloc(&pdev->dev, sizeof(*s2mps11_clk) *
 					S2MPS11_CLKS_NUM, GFP_KERNEL);
@@ -188,6 +203,10 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
 		s2mps11_reg = S2MPS11_REG_RTC_CTRL;
 		clks_init = s2mps11_clks_init;
 		break;
+	case S2MPS13X:
+		s2mps11_reg = S2MPS13_REG_RTCCTRL;
+		clks_init = s2mps13_clks_init;
+		break;
 	case S2MPS14X:
 		s2mps11_reg = S2MPS14_REG_RTCCTRL;
 		clks_init = s2mps14_clks_init;
@@ -199,7 +218,7 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
 	default:
 		dev_err(&pdev->dev, "Invalid device type\n");
 		return -EINVAL;
-	};
+	}
 
 	/* Store clocks of_node in first element of s2mps11_clks array */
 	s2mps11_clks->clk_np = s2mps11_clk_parse_dt(pdev, clks_init);
@@ -214,13 +233,6 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
 		s2mps11_clk->mask = 1 << i;
 		s2mps11_clk->reg = s2mps11_reg;
 
-		ret = regmap_read(s2mps11_clk->iodev->regmap_pmic,
-				  s2mps11_clk->reg, &val);
-		if (ret < 0)
-			goto err_reg;
-
-		s2mps11_clk->enabled = val & s2mps11_clk->mask;
-
 		s2mps11_clk->clk = devm_clk_register(&pdev->dev,
 							&s2mps11_clk->hw);
 		if (IS_ERR(s2mps11_clk->clk)) {
@@ -230,16 +242,13 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
 			goto err_reg;
 		}
 
-		s2mps11_clk->lookup = devm_kzalloc(&pdev->dev,
-					sizeof(struct clk_lookup), GFP_KERNEL);
+		s2mps11_clk->lookup = clkdev_alloc(s2mps11_clk->clk,
+					s2mps11_name(s2mps11_clk), NULL);
 		if (!s2mps11_clk->lookup) {
 			ret = -ENOMEM;
 			goto err_lup;
 		}
 
-		s2mps11_clk->lookup->con_id = s2mps11_name(s2mps11_clk);
-		s2mps11_clk->lookup->clk = s2mps11_clk->clk;
-
 		clkdev_add(s2mps11_clk->lookup);
 	}
 
@@ -293,6 +302,7 @@ static int s2mps11_clk_remove(struct platform_device *pdev)
 
 static const struct platform_device_id s2mps11_clk_id[] = {
 	{ "s2mps11-clk", S2MPS11X},
+	{ "s2mps13-clk", S2MPS13X},
 	{ "s2mps14-clk", S2MPS14X},
 	{ "s5m8767-clk", S5M8767X},
 	{ },