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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2012-06-27 00:32:28 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2012-06-30 22:48:46 +0200
commit85f77ecf1685ca1f1ba15198b66d410c3d041465 (patch)
tree0976fa3fdef6456b7f741ba7035a0c72d27d528a /arch/arm/mach-shmobile
parent689460c2c5555f41658dd050e77dcc4bf122e7f6 (diff)
ARM: mach-shmobile: add fixed voltage regulators to g4evm
On g4evm provide a 3.3V supply for its SD/MMC-card interfaces. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'arch/arm/mach-shmobile')
-rw-r--r--arch/arm/mach-shmobile/board-g4evm.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c
index af9c3e2d3b8..fa5dfc5c8ed 100644
--- a/arch/arm/mach-shmobile/board-g4evm.c
+++ b/arch/arm/mach-shmobile/board-g4evm.c
@@ -26,6 +26,8 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
#include <linux/usb/r8a66597.h>
#include <linux/io.h>
#include <linux/input.h>
@@ -196,6 +198,15 @@ static struct platform_device keysc_device = {
},
};
+/* Fixed 3.3V regulator to be used by SDHI0 and SDHI1 */
+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_mobile_sdhi.1"),
+ REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+};
+
/* SDHI */
static struct sh_mobile_sdhi_info sdhi0_info = {
.tmio_caps = MMC_CAP_SDIO_IRQ,
@@ -273,6 +284,9 @@ static struct platform_device *g4evm_devices[] __initdata = {
static void __init g4evm_init(void)
{
+ regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+ ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
sh7377_pinmux_init();
/* Lit DS14 LED */