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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2012-06-29 08:33:11 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2012-06-30 22:44:45 +0200
commitf65ad7e36cbae24f05ea2314ad63e9dd23294c60 (patch)
treea7aa3709367a7812fbf07c4eb7e5b895950c3b34
parent8c8fb1361af8e2fce94edf2a49f97a4469ae1aeb (diff)
ARM: mach-shmobile: add fixed voltage regulators to armadillo800eva
On armadillo800eva 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>
-rw-r--r--arch/arm/mach-shmobile/board-armadillo800eva.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 5f8f571665a0..12f9666302fc 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -28,6 +28,8 @@
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
#include <linux/sh_eth.h>
#include <linux/videodev2.h>
#include <linux/usb/renesas_usbhs.h>
@@ -520,6 +522,17 @@ static struct platform_device gpio_keys_device = {
},
};
+/* Fixed 3.3V regulator to be used by SDHI0, SDHI1, 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_mobile_sdhi.1"),
+ REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+ REGULATOR_SUPPLY("vmmc", "sh_mmcif"),
+ REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
+};
+
/* SDHI0 */
/*
* FIXME
@@ -920,6 +933,9 @@ clock_error:
#define GPIO_PORT8CR 0xe6050008
static void __init eva_init(void)
{
+ regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+ ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
r8a7740_pinmux_init();
r8a7740_meram_workaround();