sh: add fixed voltage regulators to sh7757lcr

On sh7757lcr 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>

1 files changed, 14 insertions, 0 deletions

diff --git a/arch/sh/boards/board-sh7757lcr.c b/arch/sh/boards/board-sh7757lcr.c
index 5087f8bb4cf..41f86702eb9 100644
--- a/arch/sh/boards/board-sh7757lcr.c
+++ b/arch/sh/boards/board-sh7757lcr.c
@@ -12,6 +12,8 @@
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/irq.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
 #include <linux/io.h>
@@ -199,6 +201,15 @@ static struct platform_device sh7757_eth_giga1_device = {
         },
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0, MMCIF */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+};
+
 /* SH_MMCIF */
 static struct resource sh_mmcif_resources[] = {
         [0] = {
@@ -329,6 +340,9 @@ static struct spi_board_info spi_board_info[] = {
 
 static int __init sh7757lcr_devices_setup(void)
 {
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
         /* RGMII (PTA) */
         gpio_request(GPIO_FN_ET0_MDC, NULL);
         gpio_request(GPIO_FN_ET0_MDIO, NULL);