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ARM: mach-shmobile: add fixed voltage regulators to kzm9g

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On kzm9g provide 1.8V and 2.8V supplies for its SD/MMC-card interfaces
and a dummy regulator for the smsc911x driver.

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>
This commit is contained in:
Guennadi Liakhovetski 2012-06-27 00:32:31 +02:00 committed by Rafael J. Wysocki
parent d50baf9ef5
commit 44a4244e4a
1 changed files with 28 additions and 0 deletions
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28
arch/arm/mach-shmobile/board-kzm9g.c
View file

@ -30,6 +30,8 @@
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/mfd/tmio.h>
#include <linux/platform_device.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/smsc911x.h>
#include <linux/usb/r8a66597.h>
#include <linux/usb/renesas_usbhs.h>
@ -57,6 +59,12 @@
#define GPIO_PCF8575_PORT15 (GPIO_NR + 13)
#define GPIO_PCF8575_PORT16 (GPIO_NR + 14)
/* Dummy supplies, where voltage doesn't matter */
static struct regulator_consumer_supply dummy_supplies[] = {
REGULATOR_SUPPLY("vddvario", "smsc911x"),
REGULATOR_SUPPLY("vdd33a", "smsc911x"),
};
/*
* FSI-AK4648
*
@ -322,6 +330,13 @@ static struct platform_device lcdc_device = {
},
};
/* Fixed 1.8V regulator to be used by MMCIF */
static struct regulator_consumer_supply fixed1v8_power_consumers[] =
{
REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
};
/* MMCIF */
static struct resource sh_mmcif_resources[] = {
[0] = {
@ -358,6 +373,13 @@ static struct platform_device mmc_device = {
.resource = sh_mmcif_resources,
};
/* Fixed 2.8V regulators to be used by SDHI0 */
static struct regulator_consumer_supply fixed2v8_power_consumers[] =
{
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
};
/* SDHI */
static struct sh_mobile_sdhi_info sdhi0_info = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
@ -619,6 +641,12 @@ device_initcall(as3711_enable_lcdc_backlight);
static void __init kzm_init(void)
{
regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
regulator_register_always_on(1, "fixed-2.8V", fixed2v8_power_consumers,
ARRAY_SIZE(fixed2v8_power_consumers), 2800000);
regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies));
sh73a0_pinmux_init();
/* enable SCIFA4 */