| Stephen Warren | b692009 | 2015-08-05 11:52:07 -0600 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2013-2015 |
| 3 | * NVIDIA Corporation <www.nvidia.com> |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <i2c.h> |
| 10 | #include <asm/arch/gpio.h> |
| 11 | #include <asm/arch/pinmux.h> |
| 12 | #include "../p2571/max77620_init.h" |
| 13 | #include "pinmux-config-e2220-1170.h" |
| 14 | |
| 15 | void pin_mux_mmc(void) |
| 16 | { |
| 17 | struct udevice *dev; |
| 18 | uchar val; |
| 19 | int ret; |
| 20 | |
| 21 | /* Turn on MAX77620 LDO2 to 3.3V for SD card power */ |
| 22 | debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__); |
| 23 | ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev); |
| 24 | if (ret) { |
| 25 | printf("%s: Cannot find MAX77620 I2C chip\n", __func__); |
| 26 | return; |
| 27 | } |
| 28 | /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */ |
| 29 | val = 0xF2; |
| 30 | ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1); |
| 31 | if (ret) |
| 32 | printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret); |
| 33 | } |
| 34 | |
| 35 | /* |
| 36 | * Routine: pinmux_init |
| 37 | * Description: Do individual peripheral pinmux configs |
| 38 | */ |
| 39 | void pinmux_init(void) |
| 40 | { |
| 41 | pinmux_clear_tristate_input_clamping(); |
| 42 | |
| 43 | gpio_config_table(e2220_1170_gpio_inits, |
| 44 | ARRAY_SIZE(e2220_1170_gpio_inits)); |
| 45 | |
| 46 | pinmux_config_pingrp_table(e2220_1170_pingrps, |
| 47 | ARRAY_SIZE(e2220_1170_pingrps)); |
| 48 | |
| 49 | pinmux_config_drvgrp_table(e2220_1170_drvgrps, |
| 50 | ARRAY_SIZE(e2220_1170_drvgrps)); |
| 51 | } |