sh: add fixed voltage regulators to kfr2r09

On kfr2r09 provide a 3.3V supply for its SD/MMC-card interfaces.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/mach-kfr2r09/setup.c

@@ -21,6 +21,8 @@
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
 #include <linux/i2c.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/videodev2.h>
 #include <linux/sh_intc.h>
@@ -341,6 +343,13 @@ static struct platform_device kfr2r09_camera = {
 	},
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+};
+
 static struct resource kfr2r09_sh_sdhi0_resources[] = {
 	[0] = {
 		.name	= "SDHI0",
@@ -523,6 +532,9 @@ static int __init kfr2r09_devices_setup(void)
 					&kfr2r09_sdram_leave_start,
 					&kfr2r09_sdram_leave_end);
 
+	regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+				     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
 	/* enable SCIF1 serial port for YC401 console support */
 	gpio_request(GPIO_FN_SCIF1_RXD, NULL);
 	gpio_request(GPIO_FN_SCIF1_TXD, NULL);