1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * linux/arch/arm/mach-omap1/board-sx1-mmc.c 4 * 5 * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT 6 * Author: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br> 7 * 8 * This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is: 9 * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT 10 */ 11 12 #include <linux/gpio.h> 13 #include <linux/platform_device.h> 14 15 #include "hardware.h" 16 #include "board-sx1.h" 17 #include "mmc.h" 18 19 #if IS_ENABLED(CONFIG_MMC_OMAP) 20 21 static int mmc_set_power(struct device *dev, int slot, int power_on, 22 int vdd) 23 { 24 int err; 25 u8 dat = 0; 26 27 err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat); 28 if (err < 0) 29 return err; 30 31 if (power_on) 32 dat |= SOFIA_MMC_POWER; 33 else 34 dat &= ~SOFIA_MMC_POWER; 35 36 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat); 37 } 38 39 /* Cover switch is at OMAP_MPUIO(3) */ 40 static struct omap_mmc_platform_data mmc1_data = { 41 .nr_slots = 1, 42 .slots[0] = { 43 .set_power = mmc_set_power, 44 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, 45 .name = "mmcblk", 46 }, 47 }; 48 49 static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC]; 50 51 void __init sx1_mmc_init(void) 52 { 53 mmc_data[0] = &mmc1_data; 54 omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC); 55 } 56 57 #else 58 59 void __init sx1_mmc_init(void) 60 { 61 } 62 63 #endif 64