From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-omap1/board-sx1-mmc.c | 66 +++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 arch/arm/mach-omap1/board-sx1-mmc.c (limited to 'arch/arm/mach-omap1/board-sx1-mmc.c') diff --git a/arch/arm/mach-omap1/board-sx1-mmc.c b/arch/arm/mach-omap1/board-sx1-mmc.c new file mode 100644 index 00000000..e8ddd86e --- /dev/null +++ b/arch/arm/mach-omap1/board-sx1-mmc.c @@ -0,0 +1,66 @@ +/* + * linux/arch/arm/mach-omap1/board-sx1-mmc.c + * + * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT + * Author: Carlos Eduardo Aguiar + * + * This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is: + * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT + * + * 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 + +#include +#include +#include +#include + +#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) +{ + int err; + u8 dat = 0; + + err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat); + if (err < 0) + return err; + + if (power_on) + dat |= SOFIA_MMC_POWER; + else + dat &= ~SOFIA_MMC_POWER; + + return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat); +} + +/* Cover switch is at OMAP_MPUIO(3) */ +static struct omap_mmc_platform_data mmc1_data = { + .nr_slots = 1, + .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[OMAP15XX_NR_MMC]; + +void __init sx1_mmc_init(void) +{ + mmc_data[0] = &mmc1_data; + omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC); +} + +#else + +void __init sx1_mmc_init(void) +{ +} + +#endif -- cgit v1.2.3