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/*
* arch/arm/mach-tegra/board-harmony-sdhci.c
*
* Copyright (C) 2010 Google, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/resource.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <mach/irqs.h>
#include <mach/iomap.h>
#include <mach/sdhci.h>
#include <mach/pinmux.h>
#include "gpio-names.h"
static struct resource sdhci_resource1[] = {
[0] = {
.start = INT_SDMMC1,
.end = INT_SDMMC1,
.flags = IORESOURCE_IRQ,
},
[1] = {
.start = TEGRA_SDMMC1_BASE,
.end = TEGRA_SDMMC1_BASE + TEGRA_SDMMC1_SIZE-1,
.flags = IORESOURCE_MEM,
},
};
static struct resource sdhci_resource2[] = {
[0] = {
.start = INT_SDMMC2,
.end = INT_SDMMC2,
.flags = IORESOURCE_IRQ,
},
[1] = {
.start = TEGRA_SDMMC2_BASE,
.end = TEGRA_SDMMC2_BASE + TEGRA_SDMMC2_SIZE-1,
.flags = IORESOURCE_MEM,
},
};
static struct resource sdhci_resource4[] = {
[0] = {
.start = INT_SDMMC4,
.end = INT_SDMMC4,
.flags = IORESOURCE_IRQ,
},
[1] = {
.start = TEGRA_SDMMC4_BASE,
.end = TEGRA_SDMMC4_BASE + TEGRA_SDMMC4_SIZE-1,
.flags = IORESOURCE_MEM,
},
};
static struct tegra_sdhci_platform_data tegra_sdhci_platform_data1 = {
.clk_id = NULL,
.force_hs = 1,
.cd_gpio = -1,
.wp_gpio = -1,
.power_gpio = -1,
};
static struct tegra_sdhci_platform_data tegra_sdhci_platform_data2 = {
.clk_id = NULL,
.force_hs = 1,
.cd_gpio = TEGRA_GPIO_PI5,
.wp_gpio = TEGRA_GPIO_PH1,
.power_gpio = TEGRA_GPIO_PT3,
.wp_gpio_polarity = 1,
};
static struct tegra_sdhci_platform_data tegra_sdhci_platform_data4 = {
.clk_id = NULL,
.force_hs = 0,
.cd_gpio = TEGRA_GPIO_PH2,
.wp_gpio = TEGRA_GPIO_PH3,
.power_gpio = TEGRA_GPIO_PI6,
};
static struct platform_device tegra_sdhci_device1 = {
.name = "sdhci-tegra",
.id = 0,
.resource = sdhci_resource1,
.num_resources = ARRAY_SIZE(sdhci_resource1),
.dev = {
.platform_data = &tegra_sdhci_platform_data1,
},
};
static struct platform_device tegra_sdhci_device2 = {
.name = "sdhci-tegra",
.id = 1,
.resource = sdhci_resource2,
.num_resources = ARRAY_SIZE(sdhci_resource2),
.dev = {
.platform_data = &tegra_sdhci_platform_data2,
},
};
static struct platform_device tegra_sdhci_device4 = {
.name = "sdhci-tegra",
.id = 3,
.resource = sdhci_resource4,
.num_resources = ARRAY_SIZE(sdhci_resource4),
.dev = {
.platform_data = &tegra_sdhci_platform_data4,
},
};
int __init harmony_sdhci_init(void)
{
gpio_request(tegra_sdhci_platform_data2.power_gpio, "sdhci2_power");
gpio_request(tegra_sdhci_platform_data2.cd_gpio, "sdhci2_cd");
gpio_request(tegra_sdhci_platform_data2.wp_gpio, "sdhci2_wp");
tegra_gpio_enable(tegra_sdhci_platform_data2.power_gpio);
tegra_gpio_enable(tegra_sdhci_platform_data2.cd_gpio);
tegra_gpio_enable(tegra_sdhci_platform_data2.wp_gpio);
gpio_request(tegra_sdhci_platform_data4.power_gpio, "sdhci4_power");
gpio_request(tegra_sdhci_platform_data4.cd_gpio, "sdhci4_cd");
gpio_request(tegra_sdhci_platform_data4.wp_gpio, "sdhci4_wp");
tegra_gpio_enable(tegra_sdhci_platform_data4.power_gpio);
tegra_gpio_enable(tegra_sdhci_platform_data4.cd_gpio);
tegra_gpio_enable(tegra_sdhci_platform_data4.wp_gpio);
gpio_direction_output(tegra_sdhci_platform_data2.power_gpio, 1);
gpio_direction_output(tegra_sdhci_platform_data4.power_gpio, 1);
platform_device_register(&tegra_sdhci_device1);
platform_device_register(&tegra_sdhci_device2);
platform_device_register(&tegra_sdhci_device4);
return 0;
}
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