1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * linux/arch/arm/mach-omap1/board-sx1-mmc.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
6*4882a593Smuzhiyun * Author: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is:
9*4882a593Smuzhiyun * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <linux/gpio.h>
13*4882a593Smuzhiyun #include <linux/platform_device.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <mach/hardware.h>
16*4882a593Smuzhiyun #include "board-sx1.h"
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #include "mmc.h"
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_MMC_OMAP)
21*4882a593Smuzhiyun
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)22*4882a593Smuzhiyun static int mmc_set_power(struct device *dev, int slot, int power_on,
23*4882a593Smuzhiyun int vdd)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun int err;
26*4882a593Smuzhiyun u8 dat = 0;
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
29*4882a593Smuzhiyun if (err < 0)
30*4882a593Smuzhiyun return err;
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun if (power_on)
33*4882a593Smuzhiyun dat |= SOFIA_MMC_POWER;
34*4882a593Smuzhiyun else
35*4882a593Smuzhiyun dat &= ~SOFIA_MMC_POWER;
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun /* Cover switch is at OMAP_MPUIO(3) */
41*4882a593Smuzhiyun static struct omap_mmc_platform_data mmc1_data = {
42*4882a593Smuzhiyun .nr_slots = 1,
43*4882a593Smuzhiyun .slots[0] = {
44*4882a593Smuzhiyun .set_power = mmc_set_power,
45*4882a593Smuzhiyun .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
46*4882a593Smuzhiyun .name = "mmcblk",
47*4882a593Smuzhiyun },
48*4882a593Smuzhiyun };
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
51*4882a593Smuzhiyun
sx1_mmc_init(void)52*4882a593Smuzhiyun void __init sx1_mmc_init(void)
53*4882a593Smuzhiyun {
54*4882a593Smuzhiyun mmc_data[0] = &mmc1_data;
55*4882a593Smuzhiyun omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
56*4882a593Smuzhiyun }
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun #else
59*4882a593Smuzhiyun
sx1_mmc_init(void)60*4882a593Smuzhiyun void __init sx1_mmc_init(void)
61*4882a593Smuzhiyun {
62*4882a593Smuzhiyun }
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun #endif
65