diff options
Diffstat (limited to 'kernel/arch/arm/mach-omap1/board-h2-mmc.c')
-rw-r--r-- | kernel/arch/arm/mach-omap1/board-h2-mmc.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap1/board-h2-mmc.c b/kernel/arch/arm/mach-omap1/board-h2-mmc.c new file mode 100644 index 000000000..7119ef28e --- /dev/null +++ b/kernel/arch/arm/mach-omap1/board-h2-mmc.c @@ -0,0 +1,77 @@ +/* + * linux/arch/arm/mach-omap1/board-h2-mmc.c + * + * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT + * Author: Felipe Balbi <felipe.lima@indt.org.br> + * + * This code is based on linux/arch/arm/mach-omap2/board-n800-mmc.c, which is: + * Copyright (C) 2006 Nokia Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/gpio.h> +#include <linux/platform_device.h> +#include <linux/platform_data/gpio-omap.h> +#include <linux/i2c/tps65010.h> + +#include "board-h2.h" +#include "mmc.h" + +#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) + +static int mmc_set_power(struct device *dev, int slot, int power_on, + int vdd) +{ + gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on); + return 0; +} + +static int mmc_late_init(struct device *dev) +{ + int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power"); + if (ret < 0) + return ret; + + gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0); + + return ret; +} + +static void mmc_cleanup(struct device *dev) +{ + gpio_free(H2_TPS_GPIO_MMC_PWR_EN); +} + +/* + * H2 could use the following functions tested: + * - mmc_get_cover_state that uses OMAP_MPUIO(1) + * - mmc_get_wp that uses OMAP_MPUIO(3) + */ +static struct omap_mmc_platform_data mmc1_data = { + .nr_slots = 1, + .init = mmc_late_init, + .cleanup = mmc_cleanup, + .slots[0] = { + .set_power = mmc_set_power, + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .name = "mmcblk", + }, +}; + +static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC]; + +void __init h2_mmc_init(void) +{ + mmc_data[0] = &mmc1_data; + omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC); +} + +#else + +void __init h2_mmc_init(void) +{ +} + +#endif |