1 files changed, 43 insertions, 26 deletions

diff --git a/drivers/clk/clk-twl.c b/drivers/clk/clk-twl.c
index eab9d3c8ed8a..20bc3bf8fd62 100644
--- a/drivers/clk/clk-twl.c
+++ b/drivers/clk/clk-twl.c
@@ -11,13 +11,29 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 
-#define VREG_STATE              2
+#define VREG_STATE		2
+#define VREG_GRP		0
 #define TWL6030_CFG_STATE_OFF   0x00
 #define TWL6030_CFG_STATE_ON    0x01
 #define TWL6030_CFG_STATE_MASK  0x03
+#define TWL6030_CFG_STATE_GRP_SHIFT	5
+#define TWL6030_CFG_STATE_APP_SHIFT	2
+#define TWL6030_CFG_STATE_APP_MASK	(0x03 << TWL6030_CFG_STATE_APP_SHIFT)
+#define TWL6030_CFG_STATE_APP(v)	(((v) & TWL6030_CFG_STATE_APP_MASK) >>\
+						TWL6030_CFG_STATE_APP_SHIFT)
+#define P1_GRP BIT(0) /* processor power group */
+#define P2_GRP BIT(1)
+#define P3_GRP BIT(2)
+#define ALL_GRP (P1_GRP | P2_GRP | P3_GRP)
+
+enum twl_type {
+	TWL_TYPE_6030,
+	TWL_TYPE_6032,
+};
 
 struct twl_clock_info {
 	struct device *dev;
+	enum twl_type type;
 	u8 base;
 	struct clk_hw hw;
 };
@@ -56,14 +72,21 @@ static unsigned long twl_clks_recalc_rate(struct clk_hw *hw,
 static int twl6032_clks_prepare(struct clk_hw *hw)
 {
 	struct twl_clock_info *cinfo = to_twl_clks_info(hw);
-	int ret;
 
-	ret = twlclk_write(cinfo, TWL_MODULE_PM_RECEIVER, VREG_STATE,
-			   TWL6030_CFG_STATE_ON);
-	if (ret < 0)
-		dev_err(cinfo->dev, "clk prepare failed\n");
+	if (cinfo->type == TWL_TYPE_6030) {
+		int grp;
+
+		grp = twlclk_read(cinfo, TWL_MODULE_PM_RECEIVER, VREG_GRP);
+		if (grp < 0)
+			return grp;
 
-	return ret;
+		return twlclk_write(cinfo, TWL_MODULE_PM_RECEIVER, VREG_STATE,
+				    grp << TWL6030_CFG_STATE_GRP_SHIFT |
+				    TWL6030_CFG_STATE_ON);
+	}
+
+	return twlclk_write(cinfo, TWL_MODULE_PM_RECEIVER, VREG_STATE,
+			    TWL6030_CFG_STATE_ON);
 }
 
 static void twl6032_clks_unprepare(struct clk_hw *hw)
@@ -71,32 +94,21 @@ static void twl6032_clks_unprepare(struct clk_hw *hw)
 	struct twl_clock_info *cinfo = to_twl_clks_info(hw);
 	int ret;
 
-	ret = twlclk_write(cinfo, TWL_MODULE_PM_RECEIVER, VREG_STATE,
-			   TWL6030_CFG_STATE_OFF);
+	if (cinfo->type == TWL_TYPE_6030)
+		ret = twlclk_write(cinfo, TWL_MODULE_PM_RECEIVER, VREG_STATE,
+				   ALL_GRP << TWL6030_CFG_STATE_GRP_SHIFT |
+				   TWL6030_CFG_STATE_OFF);
+	else
+		ret = twlclk_write(cinfo, TWL_MODULE_PM_RECEIVER, VREG_STATE,
+				   TWL6030_CFG_STATE_OFF);
+
 	if (ret < 0)
 		dev_err(cinfo->dev, "clk unprepare failed\n");
 }
 
-static int twl6032_clks_is_prepared(struct clk_hw *hw)
-{
-	struct twl_clock_info *cinfo = to_twl_clks_info(hw);
-	int val;
-
-	val = twlclk_read(cinfo, TWL_MODULE_PM_RECEIVER, VREG_STATE);
-	if (val < 0) {
-		dev_err(cinfo->dev, "clk read failed\n");
-		return val;
-	}
-
-	val &= TWL6030_CFG_STATE_MASK;
-
-	return val == TWL6030_CFG_STATE_ON;
-}
-
 static const struct clk_ops twl6032_clks_ops = {
 	.prepare	= twl6032_clks_prepare,
 	.unprepare	= twl6032_clks_unprepare,
-	.is_prepared	= twl6032_clks_is_prepared,
 	.recalc_rate	= twl_clks_recalc_rate,
 };
 
@@ -155,6 +167,7 @@ static int twl_clks_probe(struct platform_device *pdev)
 	for (i = 0; i < count; i++) {
 		cinfo[i].base = hw_data[i].base;
 		cinfo[i].dev = &pdev->dev;
+		cinfo[i].type = platform_get_device_id(pdev)->driver_data;
 		cinfo[i].hw.init = &hw_data[i].init;
 		ret = devm_clk_hw_register(&pdev->dev, &cinfo[i].hw);
 		if (ret) {
@@ -176,7 +189,11 @@ static int twl_clks_probe(struct platform_device *pdev)
 
 static const struct platform_device_id twl_clks_id[] = {
 	{
+		.name = "twl6030-clk",
+		.driver_data = TWL_TYPE_6030,
+	}, {
 		.name = "twl6032-clk",
+		.driver_data = TWL_TYPE_6032,
 	}, {
 		/* sentinel */
 	}