projects / mirror_ubuntu-hirsute-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 087c5030 CEA |
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 | |
| 087c5030 CEA |
10 | */ |
| 11 | ||
| 2f8163ba | 12 | #include <linux/gpio.h> |
| d8874665 TL |
13 | #include <linux/platform_device.h> |
| 14 | ||
| a09e64fb | 15 | #include <mach/hardware.h> |
| 100f9638 | 16 | #include "board-sx1.h" |
| 087c5030 | 17 | |
| 68f39e74 TL |
18 | #include "mmc.h" |
| 19 | ||
| fcebddb9 | 20 | #if IS_ENABLED(CONFIG_MMC_OMAP) |
| 087c5030 | 21 | |
| d8874665 | 22 | static int mmc_set_power(struct device *dev, int slot, int power_on, |
| 087c5030 CEA |
23 | int vdd) |
| 24 | { | |
| 25 | int err; | |
| 26 | u8 dat = 0; | |
| 27 | ||
| 087c5030 CEA |
28 | err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat); |
| 29 | if (err < 0) | |
| 30 | return err; | |
| 31 | ||
| 32 | if (power_on) | |
| 33 | dat |= SOFIA_MMC_POWER; | |
| 34 | else | |
| 35 | dat &= ~SOFIA_MMC_POWER; | |
| 36 | ||
| 37 | return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat); | |
| 38 | } | |
| 39 | ||
| d8874665 TL |
40 | /* Cover switch is at OMAP_MPUIO(3) */ |
| 41 | static struct omap_mmc_platform_data mmc1_data = { | |
| 087c5030 | 42 | .nr_slots = 1, |
| 087c5030 | 43 | .slots[0] = { |
| d8874665 | 44 | .set_power = mmc_set_power, |
| 2a12400e | 45 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
| 087c5030 CEA |
46 | .name = "mmcblk", |
| 47 | }, | |
| 48 | }; | |
| 49 | ||
| d8874665 TL |
50 | static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC]; |
| 51 | ||
| 087c5030 CEA |
52 | void __init sx1_mmc_init(void) |
| 53 | { | |
| d8874665 TL |
54 | mmc_data[0] = &mmc1_data; |
| 55 | omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC); | |
| 087c5030 CEA |
56 | } |
| 57 | ||
| 58 | #else | |
| 59 | ||
| 60 | void __init sx1_mmc_init(void) | |
| 61 | { | |
| 62 | } | |
| 63 | ||
| 087c5030 | 64 | #endif |