ENGR00221302 [MX6SL_ARM2/EVK]: VDDSOC adjust if use LDO bypass

The function has been implement in LDO enable , but not in LDO bypass.
Implement it on mx6sl.
Signed-off-by: Robin Gong <B38343@freescale.com>

arch/arm/mach-mx6/board-mx6sl_arm2.c

@@ -582,6 +582,7 @@ static struct i2c_board_info mxc_i2c2_board_info[] __initdata = {
 static struct mxc_dvfs_platform_data mx6sl_arm2_dvfscore_data = {
 	#ifdef CONFIG_MX6_INTER_LDO_BYPASS
 	.reg_id			= "VDDCORE",
+	.soc_id			= "VDDSOC",
 	#else
 	.reg_id			= "cpu_vddgp",
 	.soc_id			= "cpu_vddsoc",
@@ -1189,6 +1190,7 @@ static void __init mx6_arm2_init(void)
 
 	#ifdef CONFIG_MX6_INTER_LDO_BYPASS
 	gp_reg_id = mx6sl_arm2_dvfscore_data.reg_id;
+	soc_reg_id = mx6sl_arm2_dvfscore_data.soc_id;
 	#else
 	gp_reg_id = mx6sl_arm2_dvfscore_data.reg_id;
 	soc_reg_id = mx6sl_arm2_dvfscore_data.soc_id;

arch/arm/mach-mx6/board-mx6sl_evk.c

@@ -595,6 +595,7 @@ static struct i2c_board_info mxc_i2c2_board_info[] __initdata = {
 static struct mxc_dvfs_platform_data mx6sl_evk_dvfscore_data = {
 	#ifdef CONFIG_MX6_INTER_LDO_BYPASS
 	.reg_id			= "VDDCORE",
+	.soc_id			= "VDDSOC",
 	#else
 	.reg_id			= "cpu_vddgp",
 	.soc_id			= "cpu_vddsoc",
@@ -1196,6 +1197,7 @@ static void __init mx6_evk_init(void)
 
 	#ifdef CONFIG_MX6_INTER_LDO_BYPASS
 	gp_reg_id = mx6sl_evk_dvfscore_data.reg_id;
+	soc_reg_id = mx6sl_evk_dvfscore_data.soc_id;
 	#else
 	gp_reg_id = mx6sl_evk_dvfscore_data.reg_id;
 	soc_reg_id = mx6sl_evk_dvfscore_data.soc_id;

arch/arm/mach-mx6/mx6sl_arm2_pmic_pfuze100.c

@@ -66,6 +66,9 @@
 #define PFUZE100_SW1ACON		36
 #define PFUZE100_SW1ACON_SPEED_VAL	(0x1<<6)	/*default */
 #define PFUZE100_SW1ACON_SPEED_M	(0x3<<6)
+#define PFUZE100_SW1CCON		49
+#define PFUZE100_SW1CCON_SPEED_VAL	(0x1<<6)	/*default */
+#define PFUZE100_SW1CCON_SPEED_M	(0x3<<6)
 
 
 #ifdef CONFIG_MX6_INTER_LDO_BYPASS
@@ -74,6 +77,11 @@ static struct regulator_consumer_supply sw1_consumers[] = {
 		.supply	   = "VDDCORE",
 	}
 };
+static struct regulator_consumer_supply sw1c_consumers[] = {
+	{
+		.supply	   = "VDDSOC",
+	},
+};
 #endif
 
 static struct regulator_consumer_supply sw2_consumers[] = {
@@ -151,10 +159,10 @@ static struct regulator_init_data sw1a_init = {
 			.boot_on = 1,
 			.always_on = 1,
 			},
-	#ifdef CONFIG_MX6_INTER_LDO_BYPASS
+#ifdef CONFIG_MX6_INTER_LDO_BYPASS
 	.num_consumer_supplies = ARRAY_SIZE(sw1_consumers),
 	.consumer_supplies = sw1_consumers,
-	#endif
+#endif
 };
 
 static struct regulator_init_data sw1b_init = {
@@ -179,6 +187,10 @@ static struct regulator_init_data sw1c_init = {
 			.always_on = 1,
 			.boot_on = 1,
 			},
+	#ifdef CONFIG_MX6_INTER_LDO_BYPASS
+	.num_consumer_supplies = ARRAY_SIZE(sw1c_consumers),
+	.consumer_supplies = sw1c_consumers,
+	#endif
 };
 
 static struct regulator_init_data sw2_init = {
@@ -391,12 +403,17 @@ static int pfuze100_init(struct mc_pfuze *pfuze)
 			    PFUZE100_SW1CSTANDBY_STBY_VAL);
 	if (ret)
 		goto err;
-	/*set SW1ABDVSPEED as 25mV step each 4us,quick than 16us before.*/
+	/*set SW1AB/SW1C DVSPEED as 25mV step each 4us,quick than 16us before.*/
 	ret = pfuze_reg_rmw(pfuze, PFUZE100_SW1ACON,
 			    PFUZE100_SW1ACON_SPEED_M,
 			    PFUZE100_SW1ACON_SPEED_VAL);
 	if (ret)
 		goto err;
+	ret = pfuze_reg_rmw(pfuze, PFUZE100_SW1CCON,
+			    PFUZE100_SW1CCON_SPEED_M,
+			    PFUZE100_SW1CCON_SPEED_VAL);
+	if (ret)
+		goto err;
 	return 0;
 err:
 	printk(KERN_ERR "pfuze100 init error!\n");

arch/arm/mach-mx6/mx6sl_evk_pmic_pfuze100.c

@@ -66,7 +66,9 @@
 #define PFUZE100_SW1ACON		36
 #define PFUZE100_SW1ACON_SPEED_VAL	(0x1<<6)	/*default */
 #define PFUZE100_SW1ACON_SPEED_M	(0x3<<6)
-
+#define PFUZE100_SW1CCON		49
+#define PFUZE100_SW1CCON_SPEED_VAL	(0x1<<6)	/*default */
+#define PFUZE100_SW1CCON_SPEED_M	(0x3<<6)
 
 #ifdef CONFIG_MX6_INTER_LDO_BYPASS
 static struct regulator_consumer_supply sw1_consumers[] = {
@@ -74,6 +76,11 @@ static struct regulator_consumer_supply sw1_consumers[] = {
 		.supply	   = "VDDCORE",
 	}
 };
+static struct regulator_consumer_supply sw1c_consumers[] = {
+	{
+		.supply	   = "VDDSOC",
+	},
+};
 #endif
 
 static struct regulator_consumer_supply sw2_consumers[] = {
@@ -126,7 +133,7 @@ static struct regulator_consumer_supply vgen3_consumers[] = {
 };
 static struct regulator_consumer_supply vgen4_consumers[] = {
        {
-	.supply = "VGEN4_1V58",
+	.supply = "VGEN4_1V8",
 	}
 };
 static struct regulator_consumer_supply vgen5_consumers[] = {
@@ -155,10 +162,10 @@ static struct regulator_init_data sw1a_init = {
 			.boot_on = 1,
 			.always_on = 1,
 			},
-	#ifdef CONFIG_MX6_INTER_LDO_BYPASS
+#ifdef CONFIG_MX6_INTER_LDO_BYPASS
 	.num_consumer_supplies = ARRAY_SIZE(sw1_consumers),
 	.consumer_supplies = sw1_consumers,
-	#endif
+#endif
 };
 
 static struct regulator_init_data sw1b_init = {
@@ -183,6 +190,10 @@ static struct regulator_init_data sw1c_init = {
 			.always_on = 1,
 			.boot_on = 1,
 			},
+#ifdef CONFIG_MX6_INTER_LDO_BYPASS
+	.num_consumer_supplies = ARRAY_SIZE(sw1c_consumers),
+	.consumer_supplies = sw1c_consumers,
+#endif
 };
 
 static struct regulator_init_data sw2_init = {
@@ -397,12 +408,17 @@ static int pfuze100_init(struct mc_pfuze *pfuze)
 			    PFUZE100_SW1CSTANDBY_STBY_VAL);
 	if (ret)
 		goto err;
-	/*set SW1ABDVSPEED as 25mV step each 4us,quick than 16us before.*/
+	/*set SW1AB/SW1CDVSPEED as 25mV step each 4us,quick than 16us before.*/
 	ret = pfuze_reg_rmw(pfuze, PFUZE100_SW1ACON,
 			    PFUZE100_SW1ACON_SPEED_M,
 			    PFUZE100_SW1ACON_SPEED_VAL);
 	if (ret)
 		goto err;
+	ret = pfuze_reg_rmw(pfuze, PFUZE100_SW1CCON,
+			    PFUZE100_SW1CCON_SPEED_M,
+			    PFUZE100_SW1CCON_SPEED_VAL);
+	if (ret)
+		goto err;
 	return 0;
 err:
 	printk(KERN_ERR "pfuze100 init error!\n");

arch/arm/plat-mxc/cpufreq.c

@@ -92,18 +92,22 @@ int set_cpu_freq(int freq)
 		/* Check if the bus freq needs to be increased first */
 		bus_freq_update(cpu_clk, true);
 
-		if (freq == cpu_op_tbl[0].cpu_rate && !IS_ERR(soc_regulator) && !IS_ERR(pu_regulator)) {
-			ret = regulator_set_voltage(soc_regulator, soc_volt,
-							soc_volt);
-			if (ret < 0) {
-				printk(KERN_DEBUG "COULD NOT SET SOC VOLTAGE!!!!\n");
-				return ret;
+		if (freq == cpu_op_tbl[0].cpu_rate) {
+			if (!IS_ERR(soc_regulator)) {
+				ret = regulator_set_voltage(soc_regulator, soc_volt,
+								soc_volt);
+				if (ret < 0) {
+					printk(KERN_DEBUG "COULD NOT SET SOC VOLTAGE!!!!\n");
+					return ret;
+				}
 			}
-			ret = regulator_set_voltage(pu_regulator, pu_volt,
-							pu_volt);
-			if (ret < 0) {
-				printk(KERN_DEBUG "COULD NOT SET PU VOLTAGE!!!!\n");
-				return ret;
+			if (!IS_ERR(pu_regulator)) {
+				ret = regulator_set_voltage(pu_regulator, pu_volt,
+								pu_volt);
+				if (ret < 0) {
+					printk(KERN_DEBUG "COULD NOT SET PU VOLTAGE!!!!\n");
+					return ret;
+				}
 			}
 			soc_regulator_set = 1;
 		}
@@ -128,18 +132,22 @@ int set_cpu_freq(int freq)
 			printk(KERN_DEBUG "COULD NOT SET GP VOLTAGE!!!!\n");
 			return ret;
 		}
-		if (soc_regulator_set && !IS_ERR(soc_regulator) && !IS_ERR(pu_regulator)) {
-			ret = regulator_set_voltage(soc_regulator, soc_volt,
-							soc_volt);
-			if (ret < 0) {
-				printk(KERN_DEBUG "COULD NOT SET SOC VOLTAGE BACK!!!!\n");
-				return ret;
+		if (soc_regulator_set) {
+			if (!IS_ERR(soc_regulator)) {
+				ret = regulator_set_voltage(soc_regulator, soc_volt,
+								soc_volt);
+				if (ret < 0) {
+					printk(KERN_DEBUG "COULD NOT SET SOC VOLTAGE BACK!!!!\n");
+					return ret;
+				}
 			}
-			ret = regulator_set_voltage(pu_regulator, pu_volt,
-							pu_volt);
-			if (ret < 0) {
-				printk(KERN_DEBUG "COULD NOT SET PU VOLTAGE!!!!\n");
-				return ret;
+			if (!IS_ERR(pu_regulator)) {
+				ret = regulator_set_voltage(pu_regulator, pu_volt,
+								pu_volt);
+				if (ret < 0) {
+					printk(KERN_DEBUG "COULD NOT SET PU VOLTAGE!!!!\n");
+					return ret;
+				}
 			}
 			soc_regulator_set = 0;
 		}