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-p2371-0000.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(p2371_0000_gpio_inits, 43 ARRAY_SIZE(p2371_0000_gpio_inits)); 44 45 pinmux_config_pingrp_table(p2371_0000_pingrps, 46 ARRAY_SIZE(p2371_0000_pingrps)); 47 48 pinmux_config_drvgrp_table(p2371_0000_drvgrps, 49 ARRAY_SIZE(p2371_0000_drvgrps)); 50 } 51
