1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2013-2015
4  * NVIDIA Corporation <www.nvidia.com>
5  */
6 
7 #include <common.h>
8 #include <i2c.h>
9 #include <asm/arch/gpio.h>
10 #include <asm/arch/pinmux.h>
11 #include "../p2571/max77620_init.h"
12 #include "pinmux-config-e2220-1170.h"
13 
14 void pin_mux_mmc(void)
15 {
16 	struct udevice *dev;
17 	uchar val;
18 	int ret;
19 
20 	/* Turn on MAX77620 LDO2 to 3.3V for SD card power */
21 	debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__);
22 	ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
23 	if (ret) {
24 		printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
25 		return;
26 	}
27 	/* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
28 	val = 0xF2;
29 	ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1);
30 	if (ret)
31 		printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
32 }
33 
34 /*
35  * Routine: pinmux_init
36  * Description: Do individual peripheral pinmux configs
37  */
38 void pinmux_init(void)
39 {
40 	pinmux_clear_tristate_input_clamping();
41 
42 	gpio_config_table(e2220_1170_gpio_inits,
43 			  ARRAY_SIZE(e2220_1170_gpio_inits));
44 
45 	pinmux_config_pingrp_table(e2220_1170_pingrps,
46 				   ARRAY_SIZE(e2220_1170_pingrps));
47 
48 	pinmux_config_drvgrp_table(e2220_1170_drvgrps,
49 				   ARRAY_SIZE(e2220_1170_drvgrps));
50 }
51