1 /*
2 * linux/arch/arm/mach-omap1/board-h2-mmc.c
3 *
4 * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
5 * Author: Felipe Balbi <felipe.lima@indt.org.br>
6 *
7 * This code is based on linux/arch/arm/mach-omap2/board-n800-mmc.c, which is:
8 * Copyright (C) 2006 Nokia Corporation
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 #include <linux/gpio.h>
15 #include <linux/platform_device.h>
16 #include <linux/platform_data/gpio-omap.h>
17 #include <linux/mfd/tps65010.h>
18
19 #include "board-h2.h"
20 #include "mmc.h"
21
22 #if IS_ENABLED(CONFIG_MMC_OMAP)
23
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)24 static int mmc_set_power(struct device *dev, int slot, int power_on,
25 int vdd)
26 {
27 gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on);
28 return 0;
29 }
30
mmc_late_init(struct device * dev)31 static int mmc_late_init(struct device *dev)
32 {
33 int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
34 if (ret < 0)
35 return ret;
36
37 gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
38
39 return ret;
40 }
41
mmc_cleanup(struct device * dev)42 static void mmc_cleanup(struct device *dev)
43 {
44 gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
45 }
46
47 /*
48 * H2 could use the following functions tested:
49 * - mmc_get_cover_state that uses OMAP_MPUIO(1)
50 * - mmc_get_wp that uses OMAP_MPUIO(3)
51 */
52 static struct omap_mmc_platform_data mmc1_data = {
53 .nr_slots = 1,
54 .init = mmc_late_init,
55 .cleanup = mmc_cleanup,
56 .slots[0] = {
57 .set_power = mmc_set_power,
58 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
59 .name = "mmcblk",
60 },
61 };
62
63 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
64
h2_mmc_init(void)65 void __init h2_mmc_init(void)
66 {
67 mmc_data[0] = &mmc1_data;
68 omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
69 }
70
71 #else
72
h2_mmc_init(void)73 void __init h2_mmc_init(void)
74 {
75 }
76
77 #endif
78