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ARM: shmobile: ape6evm: add SDHI interfaces

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Add support for SDHI0 and SDHI1 on APE6EVM in PIO mode only.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Guennadi Liakhovetski 2013-07-08 17:54:42 +02:00 committed by Simon Horman
parent 8711613252
commit f79d68da51
1 changed files with 49 additions and 1 deletions
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50
arch/arm/mach-shmobile/board-ape6evm.c
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@ -21,8 +21,10 @@
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/tmio.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mmcif.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/pinctrl/machine.h>
#include <linux/platform_device.h>
#include <linux/regulator/fixed.h>
@ -58,11 +60,16 @@ static const struct smsc911x_platform_config lan9220_data = {
/*
* On APE6EVM power is supplied to MMCIF by a tps80032 regulator. For now we
* model a VDD supply to MMCIF, using a fixed 3.3V regulator.
* model a VDD supply to MMCIF, using a fixed 3.3V regulator. Also use the
* static power supply for SDHI0 and SDHI1, whereas SDHI0's VccQ is also
* supplied by the same tps80032 regulator and thus can also be adjusted
* dynamically.
*/
static struct regulator_consumer_supply fixed3v3_power_consumers[] =
{
REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
};
/* MMCIF */
@ -75,6 +82,29 @@ static struct resource mmcif0_resources[] = {
DEFINE_RES_IRQ(gic_spi(169)),
};
/* SDHI0 */
static struct sh_mobile_sdhi_info sdhi0_pdata = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
.tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
};
static struct resource sdhi0_resources[] = {
DEFINE_RES_MEM_NAMED(0xee100000, 0x100, "SDHI0"),
DEFINE_RES_IRQ(gic_spi(165)),
};
/* SDHI1 */
static struct sh_mobile_sdhi_info sdhi1_pdata = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
.tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
MMC_CAP_NEEDS_POLL,
};
static struct resource sdhi1_resources[] = {
DEFINE_RES_MEM_NAMED(0xee120000, 0x100, "SDHI1"),
DEFINE_RES_IRQ(gic_spi(166)),
};
static const struct pinctrl_map ape6evm_pinctrl_map[] = {
/* SCIFA0 console */
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
@ -87,6 +117,18 @@ static const struct pinctrl_map ape6evm_pinctrl_map[] = {
"mmc0_data8", "mmc0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
"mmc0_ctrl", "mmc0"),
/* SDHI0: uSD: no WP */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
"sdhi0_data4", "sdhi0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
"sdhi0_ctrl", "sdhi0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
"sdhi0_cd", "sdhi0"),
/* SDHI1 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
"sdhi1_data4", "sdhi1"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
"sdhi1_ctrl", "sdhi1"),
};
static void __init ape6evm_add_standard_devices(void)
@ -124,6 +166,12 @@ static void __init ape6evm_add_standard_devices(void)
platform_device_register_resndata(&platform_bus, "sh_mmcif", 0,
mmcif0_resources, ARRAY_SIZE(mmcif0_resources),
&mmcif0_pdata, sizeof(mmcif0_pdata));
platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 0,
sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
&sdhi0_pdata, sizeof(sdhi0_pdata));
platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1,
sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
&sdhi1_pdata, sizeof(sdhi1_pdata));
}
static const char *ape6evm_boards_compat_dt[] __initdata = {