Carlos Eduardo Aguiar | 087c503 | 2007-11-30 01:52:53 -0400 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap1/board-sx1-mmc.c |
| 3 | * |
| 4 | * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT |
| 5 | * Author: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br> |
| 6 | * |
| 7 | * This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is: |
| 8 | * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
Russell King | 2f8163b | 2011-07-26 10:53:52 +0100 | [diff] [blame] | 15 | #include <linux/gpio.h> |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 16 | #include <linux/platform_device.h> |
| 17 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 18 | #include <mach/hardware.h> |
Tony Lindgren | c392b21 | 2012-09-20 11:41:22 -0700 | [diff] [blame] | 19 | #include <mach/board-sx1.h> |
Carlos Eduardo Aguiar | 087c503 | 2007-11-30 01:52:53 -0400 | [diff] [blame] | 20 | |
Tony Lindgren | 68f39e7 | 2012-10-15 12:09:43 -0700 | [diff] [blame] | 21 | #include "mmc.h" |
| 22 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 23 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) |
Carlos Eduardo Aguiar | 087c503 | 2007-11-30 01:52:53 -0400 | [diff] [blame] | 24 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 25 | static int mmc_set_power(struct device *dev, int slot, int power_on, |
Carlos Eduardo Aguiar | 087c503 | 2007-11-30 01:52:53 -0400 | [diff] [blame] | 26 | int vdd) |
| 27 | { |
| 28 | int err; |
| 29 | u8 dat = 0; |
| 30 | |
Carlos Eduardo Aguiar | 087c503 | 2007-11-30 01:52:53 -0400 | [diff] [blame] | 31 | err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat); |
| 32 | if (err < 0) |
| 33 | return err; |
| 34 | |
| 35 | if (power_on) |
| 36 | dat |= SOFIA_MMC_POWER; |
| 37 | else |
| 38 | dat &= ~SOFIA_MMC_POWER; |
| 39 | |
| 40 | return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat); |
| 41 | } |
| 42 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 43 | /* Cover switch is at OMAP_MPUIO(3) */ |
| 44 | static struct omap_mmc_platform_data mmc1_data = { |
Carlos Eduardo Aguiar | 087c503 | 2007-11-30 01:52:53 -0400 | [diff] [blame] | 45 | .nr_slots = 1, |
Carlos Eduardo Aguiar | 087c503 | 2007-11-30 01:52:53 -0400 | [diff] [blame] | 46 | .slots[0] = { |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 47 | .set_power = mmc_set_power, |
Tony Lindgren | 2a12400 | 2010-10-12 16:07:51 -0700 | [diff] [blame] | 48 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
Carlos Eduardo Aguiar | 087c503 | 2007-11-30 01:52:53 -0400 | [diff] [blame] | 49 | .name = "mmcblk", |
| 50 | }, |
| 51 | }; |
| 52 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 53 | static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC]; |
| 54 | |
Carlos Eduardo Aguiar | 087c503 | 2007-11-30 01:52:53 -0400 | [diff] [blame] | 55 | void __init sx1_mmc_init(void) |
| 56 | { |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 57 | mmc_data[0] = &mmc1_data; |
| 58 | omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC); |
Carlos Eduardo Aguiar | 087c503 | 2007-11-30 01:52:53 -0400 | [diff] [blame] | 59 | } |
| 60 | |
| 61 | #else |
| 62 | |
| 63 | void __init sx1_mmc_init(void) |
| 64 | { |
| 65 | } |
| 66 | |
Carlos Eduardo Aguiar | 087c503 | 2007-11-30 01:52:53 -0400 | [diff] [blame] | 67 | #endif |