1*b6920095SStephen Warren /*
2*b6920095SStephen Warren * (C) Copyright 2013-2015
3*b6920095SStephen Warren * NVIDIA Corporation <www.nvidia.com>
4*b6920095SStephen Warren *
5*b6920095SStephen Warren * SPDX-License-Identifier: GPL-2.0+
6*b6920095SStephen Warren */
7*b6920095SStephen Warren
8*b6920095SStephen Warren #include <common.h>
9*b6920095SStephen Warren #include <i2c.h>
10*b6920095SStephen Warren #include <asm/arch/gpio.h>
11*b6920095SStephen Warren #include <asm/arch/pinmux.h>
12*b6920095SStephen Warren #include "../p2571/max77620_init.h"
13*b6920095SStephen Warren #include "pinmux-config-e2220-1170.h"
14*b6920095SStephen Warren
pin_mux_mmc(void)15*b6920095SStephen Warren void pin_mux_mmc(void)
16*b6920095SStephen Warren {
17*b6920095SStephen Warren struct udevice *dev;
18*b6920095SStephen Warren uchar val;
19*b6920095SStephen Warren int ret;
20*b6920095SStephen Warren
21*b6920095SStephen Warren /* Turn on MAX77620 LDO2 to 3.3V for SD card power */
22*b6920095SStephen Warren debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__);
23*b6920095SStephen Warren ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
24*b6920095SStephen Warren if (ret) {
25*b6920095SStephen Warren printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
26*b6920095SStephen Warren return;
27*b6920095SStephen Warren }
28*b6920095SStephen Warren /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
29*b6920095SStephen Warren val = 0xF2;
30*b6920095SStephen Warren ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1);
31*b6920095SStephen Warren if (ret)
32*b6920095SStephen Warren printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
33*b6920095SStephen Warren }
34*b6920095SStephen Warren
35*b6920095SStephen Warren /*
36*b6920095SStephen Warren * Routine: pinmux_init
37*b6920095SStephen Warren * Description: Do individual peripheral pinmux configs
38*b6920095SStephen Warren */
pinmux_init(void)39*b6920095SStephen Warren void pinmux_init(void)
40*b6920095SStephen Warren {
41*b6920095SStephen Warren pinmux_clear_tristate_input_clamping();
42*b6920095SStephen Warren
43*b6920095SStephen Warren gpio_config_table(e2220_1170_gpio_inits,
44*b6920095SStephen Warren ARRAY_SIZE(e2220_1170_gpio_inits));
45*b6920095SStephen Warren
46*b6920095SStephen Warren pinmux_config_pingrp_table(e2220_1170_pingrps,
47*b6920095SStephen Warren ARRAY_SIZE(e2220_1170_pingrps));
48*b6920095SStephen Warren
49*b6920095SStephen Warren pinmux_config_drvgrp_table(e2220_1170_drvgrps,
50*b6920095SStephen Warren ARRAY_SIZE(e2220_1170_drvgrps));
51*b6920095SStephen Warren }
52