1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-omap1/board-h3-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
14 #include <linux/mfd/tps65010.h>
15
16 #include "common.h"
17 #include "board-h3.h"
18 #include "mmc.h"
19
20 #if IS_ENABLED(CONFIG_MMC_OMAP)
21
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)22 static int mmc_set_power(struct device *dev, int slot, int power_on,
23 int vdd)
24 {
25 gpio_set_value(H3_TPS_GPIO_MMC_PWR_EN, power_on);
26 return 0;
27 }
28
29 /*
30 * H3 could use the following functions tested:
31 * - mmc_get_cover_state that uses OMAP_MPUIO(1)
32 * - mmc_get_wp that maybe uses OMAP_MPUIO(3)
33 */
34 static struct omap_mmc_platform_data mmc1_data = {
35 .nr_slots = 1,
36 .slots[0] = {
37 .set_power = mmc_set_power,
38 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
39 .name = "mmcblk",
40 },
41 };
42
43 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
44
h3_mmc_init(void)45 void __init h3_mmc_init(void)
46 {
47 int ret;
48
49 ret = gpio_request(H3_TPS_GPIO_MMC_PWR_EN, "MMC power");
50 if (ret < 0)
51 return;
52 gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 0);
53
54 mmc_data[0] = &mmc1_data;
55 omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
56 }
57
58 #else
59
h3_mmc_init(void)60 void __init h3_mmc_init(void)
61 {
62 }
63
64 #endif
65