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
pin_mux_mmc(void)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 */
pinmux_init(void)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