linux-sg2042/arch/arm/mach-ux500/board-mop500-sdi.c

92 lines
1.9 KiB
C

/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Hanumath Prasad <hanumath.prasad@stericsson.com>
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/kernel.h>
#include <linux/gpio.h>
#include <linux/amba/bus.h>
#include <linux/amba/mmci.h>
#include <linux/mmc/host.h>
#include <linux/platform_device.h>
#include <plat/pincfg.h>
#include <mach/devices.h>
#include <mach/hardware.h>
#include "pins-db8500.h"
#include "board-mop500.h"
static pin_cfg_t mop500_sdi_pins[] = {
/* SDI4 (on-board eMMC) */
GPIO197_MC4_DAT3,
GPIO198_MC4_DAT2,
GPIO199_MC4_DAT1,
GPIO200_MC4_DAT0,
GPIO201_MC4_CMD,
GPIO202_MC4_FBCLK,
GPIO203_MC4_CLK,
GPIO204_MC4_DAT7,
GPIO205_MC4_DAT6,
GPIO206_MC4_DAT5,
GPIO207_MC4_DAT4,
};
static pin_cfg_t mop500_sdi2_pins[] = {
/* SDI2 (POP eMMC) */
GPIO128_MC2_CLK,
GPIO129_MC2_CMD,
GPIO130_MC2_FBCLK,
GPIO131_MC2_DAT0,
GPIO132_MC2_DAT1,
GPIO133_MC2_DAT2,
GPIO134_MC2_DAT3,
GPIO135_MC2_DAT4,
GPIO136_MC2_DAT5,
GPIO137_MC2_DAT6,
GPIO138_MC2_DAT7,
};
/*
* SDI 2 (POP eMMC, not on DB8500ed)
*/
static struct mmci_platform_data mop500_sdi2_data = {
.ocr_mask = MMC_VDD_165_195,
.f_max = 100000000,
.capabilities = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
.gpio_cd = -1,
.gpio_wp = -1,
};
/*
* SDI 4 (on-board eMMC)
*/
static struct mmci_platform_data mop500_sdi4_data = {
.ocr_mask = MMC_VDD_29_30,
.f_max = 100000000,
.capabilities = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED,
.gpio_cd = -1,
.gpio_wp = -1,
};
void mop500_sdi_init(void)
{
nmk_config_pins(mop500_sdi_pins, ARRAY_SIZE(mop500_sdi_pins));
u8500_sdi2_device.dev.platform_data = &mop500_sdi2_data;
u8500_sdi4_device.dev.platform_data = &mop500_sdi4_data;
if (!cpu_is_u8500ed()) {
nmk_config_pins(mop500_sdi2_pins, ARRAY_SIZE(mop500_sdi2_pins));
amba_device_register(&u8500_sdi2_device, &iomem_resource);
}
/* On-board eMMC */
amba_device_register(&u8500_sdi4_device, &iomem_resource);
}