diff options
author | Gary King <gking@nvidia.com> | 2010-07-13 17:16:23 -0700 |
---|---|---|
committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:34:52 -0800 |
commit | 307c1328459c091812f00281b01f1ab5206ab64b (patch) | |
tree | 4c4884e58739f43e040c42dc05a3d6c693738890 /arch/arm/mach-tegra/board-ventana-sdhci.c | |
parent | 2723abb6ae9bb58cc3800e6ec5cd043887e14f38 (diff) |
[ARM] tegra: ventana: add initial support for Ventana
Change-Id: I1993fda7628c623d53fd2c97649ec3533ad790e2
Signed-off-by: Gary King <gking@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/board-ventana-sdhci.c')
-rw-r--r-- | arch/arm/mach-tegra/board-ventana-sdhci.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-ventana-sdhci.c b/arch/arm/mach-tegra/board-ventana-sdhci.c new file mode 100644 index 000000000000..13ab48b1c7a1 --- /dev/null +++ b/arch/arm/mach-tegra/board-ventana-sdhci.c @@ -0,0 +1,144 @@ +/* + * 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 "gpio-names.h" +#include "board.h" + +static struct resource sdhci_resource0[] = { + [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_SDMMC3, + .end = INT_SDMMC3, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TEGRA_SDMMC3_BASE, + .end = TEGRA_SDMMC3_BASE + TEGRA_SDMMC3_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource sdhci_resource3[] = { + [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_data0 = { + .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, +}; + +static struct tegra_sdhci_platform_data tegra_sdhci_platform_data3 = { + .clk_id = NULL, + .force_hs = 0, + .cd_gpio = -1, + .wp_gpio = -1, + .power_gpio = TEGRA_GPIO_PI6, +}; + +static struct platform_device tegra_sdhci_device0 = { + .name = "sdhci-tegra", + .id = 0, + .resource = sdhci_resource0, + .num_resources = ARRAY_SIZE(sdhci_resource0), + .dev = { + .platform_data = &tegra_sdhci_platform_data0, + }, +}; + +static struct platform_device tegra_sdhci_device2 = { + .name = "sdhci-tegra", + .id = 2, + .resource = sdhci_resource2, + .num_resources = ARRAY_SIZE(sdhci_resource2), + .dev = { + .platform_data = &tegra_sdhci_platform_data2, + }, +}; + +static struct platform_device tegra_sdhci_device3 = { + .name = "sdhci-tegra", + .id = 3, + .resource = sdhci_resource3, + .num_resources = ARRAY_SIZE(sdhci_resource3), + .dev = { + .platform_data = &tegra_sdhci_platform_data3, + }, +}; + +int __init ventana_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"); + gpio_request(tegra_sdhci_platform_data3.power_gpio, "sdhci3_power"); + + 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); + tegra_gpio_enable(tegra_sdhci_platform_data3.power_gpio); + + gpio_direction_output(tegra_sdhci_platform_data2.power_gpio, 1); + gpio_direction_output(tegra_sdhci_platform_data3.power_gpio, 1); + gpio_set_value(tegra_sdhci_platform_data3.power_gpio, 1); + + platform_device_register(&tegra_sdhci_device3); + platform_device_register(&tegra_sdhci_device2); + platform_device_register(&tegra_sdhci_device0); + + return 0; +} |