1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-omap1/board-h2-mmc.c
4 *
5 * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
6 * Author: Felipe Balbi <felipe.lima@indt.org.br>
7 *
8 * This code is based on linux/arch/arm/mach-omap2/board-n800-mmc.c, which is:
9 * Copyright (C) 2006 Nokia Corporation
10 */
11 #include <linux/gpio.h>
12 #include <linux/platform_device.h>
13 #include <linux/platform_data/gpio-omap.h>
14 #include <linux/mfd/tps65010.h>
15
16 #include "board-h2.h"
17 #include "mmc.h"
18
19 #if IS_ENABLED(CONFIG_MMC_OMAP)
20
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)21 static int mmc_set_power(struct device *dev, int slot, int power_on,
22 int vdd)
23 {
24 gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on);
25 return 0;
26 }
27
mmc_late_init(struct device * dev)28 static int mmc_late_init(struct device *dev)
29 {
30 int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
31 if (ret < 0)
32 return ret;
33
34 gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
35
36 return ret;
37 }
38
mmc_cleanup(struct device * dev)39 static void mmc_cleanup(struct device *dev)
40 {
41 gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
42 }
43
44 /*
45 * H2 could use the following functions tested:
46 * - mmc_get_cover_state that uses OMAP_MPUIO(1)
47 * - mmc_get_wp that uses OMAP_MPUIO(3)
48 */
49 static struct omap_mmc_platform_data mmc1_data = {
50 .nr_slots = 1,
51 .init = mmc_late_init,
52 .cleanup = mmc_cleanup,
53 .slots[0] = {
54 .set_power = mmc_set_power,
55 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
56 .name = "mmcblk",
57 },
58 };
59
60 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
61
h2_mmc_init(void)62 void __init h2_mmc_init(void)
63 {
64 mmc_data[0] = &mmc1_data;
65 omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
66 }
67
68 #else
69
h2_mmc_init(void)70 void __init h2_mmc_init(void)
71 {
72 }
73
74 #endif
75