Merge branch 'renesas-board-common' into renesas-board

* renesas-board-common:
  ARM: mach-shmobile: select the fixed regulator driver on several boards
  regulator: extend the fixed dummy voltage regulator to accept voltage
  regulator: support multiple dummy fixed regulators

Conflicts:
	arch/arm/mach-shmobile/Kconfig

arch/arm/mach-shmobile/Kconfig

@@ -59,6 +59,7 @@ config MACH_G4EVM
 	bool "G4EVM board"
 	depends on ARCH_SH7377
 	select ARCH_REQUIRE_GPIOLIB
+	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_AP4EVB
 	bool "AP4EVB board"
@@ -66,6 +67,7 @@ config MACH_AP4EVB
 	select ARCH_REQUIRE_GPIOLIB
 	select SH_LCD_MIPI_DSI
 	select SND_SOC_AK4642 if SND_SIMPLE_CARD
+	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 choice
 	prompt "AP4EVB LCD panel selection"
@@ -84,6 +86,7 @@ config MACH_AG5EVM
 	bool "AG5EVM board"
 	select ARCH_REQUIRE_GPIOLIB
 	select SH_LCD_MIPI_DSI
+	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 	depends on ARCH_SH73A0
 
 config MACH_MACKEREL
@@ -91,15 +94,18 @@ config MACH_MACKEREL
 	depends on ARCH_SH7372
 	select ARCH_REQUIRE_GPIOLIB
 	select SND_SOC_AK4642 if SND_SIMPLE_CARD
+	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_KOTA2
 	bool "KOTA2 board"
 	select ARCH_REQUIRE_GPIOLIB
+	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 	depends on ARCH_SH73A0
 
 config MACH_BONITO
 	bool "bonito board"
 	select ARCH_REQUIRE_GPIOLIB
+	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 	depends on ARCH_R8A7740
 
 config MACH_ARMADILLO800EVA
@@ -107,16 +113,19 @@ config MACH_ARMADILLO800EVA
 	depends on ARCH_R8A7740
 	select ARCH_REQUIRE_GPIOLIB
 	select USE_OF
+	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_MARZEN
 	bool "MARZEN board"
 	depends on ARCH_R8A7779
 	select ARCH_REQUIRE_GPIOLIB
+	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_KZM9D
 	bool "KZM9D board"
 	depends on ARCH_EMEV2
 	select USE_OF
+	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_KZM9G
 	bool "KZM-A9-GT board"
@@ -124,6 +133,7 @@ config MACH_KZM9G
 	select ARCH_REQUIRE_GPIOLIB
 	select USE_OF
 	select SND_SOC_AK4642 if SND_SIMPLE_CARD
+	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 comment "SH-Mobile System Configuration"
 

drivers/regulator/fixed-helper.c

 #include <linux/slab.h>
+#include <linux/string.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/machine.h>
 #include <linux/regulator/fixed.h>
@@ -13,17 +14,20 @@ static void regulator_fixed_release(struct device *dev)
 {
 	struct fixed_regulator_data *data = container_of(dev,
 			struct fixed_regulator_data, pdev.dev);
+	kfree(data->cfg.supply_name);
 	kfree(data);
 }
 
 /**
- * regulator_register_fixed - register a no-op fixed regulator
+ * regulator_register_fixed_name - register a no-op fixed regulator
  * @id: platform device id
+ * @name: name to be used for the regulator
  * @supplies: consumers for this regulator
  * @num_supplies: number of consumers
+ * @uv: voltage in microvolts
  */
-struct platform_device *regulator_register_fixed(int id,
-		struct regulator_consumer_supply *supplies, int num_supplies)
+struct platform_device *regulator_register_always_on(int id, const char *name,
+	struct regulator_consumer_supply *supplies, int num_supplies, int uv)
 {
 	struct fixed_regulator_data *data;
 
@@ -31,8 +35,13 @@ struct platform_device *regulator_register_fixed(int id,
 	if (!data)
 		return NULL;
 
-	data->cfg.supply_name = "fixed-dummy";
-	data->cfg.microvolts = 0;
+	data->cfg.supply_name = kstrdup(name, GFP_KERNEL);
+	if (!data->cfg.supply_name) {
+		kfree(data);
+		return NULL;
+	}
+
+	data->cfg.microvolts = uv;
 	data->cfg.gpio = -EINVAL;
 	data->cfg.enabled_at_boot = 1;
 	data->cfg.init_data = &data->init_data;

include/linux/regulator/fixed.h

@@ -58,14 +58,17 @@ struct fixed_voltage_config {
 struct regulator_consumer_supply;
 
 #if IS_ENABLED(CONFIG_REGULATOR)
-struct platform_device *regulator_register_fixed(int id,
-		struct regulator_consumer_supply *supplies, int num_supplies);
+struct platform_device *regulator_register_always_on(int id, const char *name,
+		struct regulator_consumer_supply *supplies, int num_supplies, int uv);
 #else
-static inline struct platform_device *regulator_register_fixed(int id,
-		struct regulator_consumer_supply *supplies, int num_supplies)
+static inline struct platform_device *regulator_register_always_on(int id, const char *name,
+		struct regulator_consumer_supply *supplies, int num_supplies, int uv)
 {
 	return NULL;
 }
 #endif
 
+#define regulator_register_fixed(id, s, ns) regulator_register_always_on(id, \
+						"fixed-dummy", s, ns, 0)
+
 #endif