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ARM: shmobile: marzen: add SDHI0 support 

[horms@verge.net.au: moved defconfig portion into a separate patch]
[horms@verge.net.au: added "ARM: shmobile:" to title]
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Phil Edworthy 2012-08-06 13:31:05 +01:00 committed by Simon Horman
parent 4cbe5a555f
commit 894cda18de
1 changed files with 51 additions and 1 deletions
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52
arch/arm/mach-shmobile/board-marzen.c
View File

@ -30,6 +30,8 @@
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/smsc911x.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/mfd/tmio.h>
#include <mach/hardware.h>
#include <mach/r8a7779.h>
#include <mach/common.h>
@ -39,6 +41,12 @@
#include <asm/hardware/gic.h>
#include <asm/traps.h>
/* 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"),
};
/* Dummy supplies, where voltage doesn't matter */
static struct regulator_consumer_supply dummy_supplies[] = {
REGULATOR_SUPPLY("vddvario", "smsc911x"),
@ -75,13 +83,45 @@ static struct platform_device eth_device = {
.num_resources = ARRAY_SIZE(smsc911x_resources),
};
static struct resource sdhi0_resources[] = {
[0] = {
.name = "sdhi0",
.start = 0xffe4c000,
.end = 0xffe4c0ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(104),
.flags = IORESOURCE_IRQ,
},
};
static struct sh_mobile_sdhi_info sdhi0_platform_data = {
.tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
.tmio_caps = MMC_CAP_SD_HIGHSPEED,
};
static struct platform_device sdhi0_device = {
.name = "sh_mobile_sdhi",
.num_resources = ARRAY_SIZE(sdhi0_resources),
.resource = sdhi0_resources,
.id = 0,
.dev = {
.platform_data = &sdhi0_platform_data,
}
};
static struct platform_device *marzen_devices[] __initdata = {
&eth_device,
&sdhi0_device,
};
static void __init marzen_init(void)
{
regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
regulator_register_fixed(0, dummy_supplies,
ARRAY_SIZE(dummy_supplies));
r8a7779_pinmux_init();
@ -97,6 +137,16 @@ static void __init marzen_init(void)
gpio_request(GPIO_FN_EX_CS0, NULL); /* nCS */
gpio_request(GPIO_FN_IRQ1_B, NULL); /* IRQ + PME */
/* SD0 (CN20) */
gpio_request(GPIO_FN_SD0_CLK, NULL);
gpio_request(GPIO_FN_SD0_CMD, NULL);
gpio_request(GPIO_FN_SD0_DAT0, NULL);
gpio_request(GPIO_FN_SD0_DAT1, NULL);
gpio_request(GPIO_FN_SD0_DAT2, NULL);
gpio_request(GPIO_FN_SD0_DAT3, NULL);
gpio_request(GPIO_FN_SD0_CD, NULL);
gpio_request(GPIO_FN_SD0_WP, NULL);
r8a7779_add_standard_devices();
platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
}