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/platform_device.h> |
13 | |
14 | #include "hardware.h" |
15 | #include "board-sx1.h" |
16 | #include "mmc.h" |
17 | |
18 | #if IS_ENABLED(CONFIG_MMC_OMAP) |
19 | |
20 | static int mmc_set_power(struct device *dev, int slot, int power_on, |
21 | int vdd) |
22 | { |
23 | int err; |
24 | u8 dat = 0; |
25 | |
26 | err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat); |
27 | if (err < 0) |
28 | return err; |
29 | |
30 | if (power_on) |
31 | dat |= SOFIA_MMC_POWER; |
32 | else |
33 | dat &= ~SOFIA_MMC_POWER; |
34 | |
35 | return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat); |
36 | } |
37 | |
38 | /* Cover switch is at OMAP_MPUIO(3) */ |
39 | static struct omap_mmc_platform_data mmc1_data = { |
40 | .nr_slots = 1, |
41 | .slots[0] = { |
42 | .set_power = mmc_set_power, |
43 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
44 | .name = "mmcblk" , |
45 | }, |
46 | }; |
47 | |
48 | static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC]; |
49 | |
50 | void __init sx1_mmc_init(void) |
51 | { |
52 | mmc_data[0] = &mmc1_data; |
53 | omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC); |
54 | } |
55 | |
56 | #else |
57 | |
58 | void __init sx1_mmc_init(void) |
59 | { |
60 | } |
61 | |
62 | #endif |
63 | |