1*f05fa678SStephen Warren /* 2*f05fa678SStephen Warren * (C) Copyright 2013-2015 3*f05fa678SStephen Warren * NVIDIA Corporation <www.nvidia.com> 4*f05fa678SStephen Warren * 5*f05fa678SStephen Warren * SPDX-License-Identifier: GPL-2.0+ 6*f05fa678SStephen Warren */ 7*f05fa678SStephen Warren 8*f05fa678SStephen Warren #include <common.h> 9*f05fa678SStephen Warren #include <i2c.h> 10*f05fa678SStephen Warren #include <asm/arch/gpio.h> 11*f05fa678SStephen Warren #include <asm/arch/pinmux.h> 12*f05fa678SStephen Warren #include "../p2571/max77620_init.h" 13*f05fa678SStephen Warren #include "pinmux-config-p2371-0000.h" 14*f05fa678SStephen Warren 15*f05fa678SStephen Warren void pin_mux_mmc(void) 16*f05fa678SStephen Warren { 17*f05fa678SStephen Warren struct udevice *dev; 18*f05fa678SStephen Warren uchar val; 19*f05fa678SStephen Warren int ret; 20*f05fa678SStephen Warren 21*f05fa678SStephen Warren /* Turn on MAX77620 LDO2 to 3.3V for SD card power */ 22*f05fa678SStephen Warren debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__); 23*f05fa678SStephen Warren ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev); 24*f05fa678SStephen Warren if (ret) { 25*f05fa678SStephen Warren printf("%s: Cannot find MAX77620 I2C chip\n", __func__); 26*f05fa678SStephen Warren return; 27*f05fa678SStephen Warren } 28*f05fa678SStephen Warren /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */ 29*f05fa678SStephen Warren val = 0xF2; 30*f05fa678SStephen Warren ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1); 31*f05fa678SStephen Warren if (ret) 32*f05fa678SStephen Warren printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret); 33*f05fa678SStephen Warren } 34*f05fa678SStephen Warren 35*f05fa678SStephen Warren /* 36*f05fa678SStephen Warren * Routine: pinmux_init 37*f05fa678SStephen Warren * Description: Do individual peripheral pinmux configs 38*f05fa678SStephen Warren */ 39*f05fa678SStephen Warren void pinmux_init(void) 40*f05fa678SStephen Warren { 41*f05fa678SStephen Warren pinmux_clear_tristate_input_clamping(); 42*f05fa678SStephen Warren 43*f05fa678SStephen Warren gpio_config_table(p2371_0000_gpio_inits, 44*f05fa678SStephen Warren ARRAY_SIZE(p2371_0000_gpio_inits)); 45*f05fa678SStephen Warren 46*f05fa678SStephen Warren pinmux_config_pingrp_table(p2371_0000_pingrps, 47*f05fa678SStephen Warren ARRAY_SIZE(p2371_0000_pingrps)); 48*f05fa678SStephen Warren 49*f05fa678SStephen Warren pinmux_config_drvgrp_table(p2371_0000_drvgrps, 50*f05fa678SStephen Warren ARRAY_SIZE(p2371_0000_drvgrps)); 51*f05fa678SStephen Warren } 52