/* * (C) Copyright 2013-2015 * NVIDIA Corporation * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include "../p2571/max77620_init.h" #include "pinmux-config-p2371-2180.h" void pin_mux_mmc(void) { struct udevice *dev; uchar val; int ret; /* Turn on MAX77620 LDO2 to 3.3V for SD card power */ debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__); ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev); if (ret) { printf("%s: Cannot find MAX77620 I2C chip\n", __func__); return; } /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */ val = 0xF2; ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1); if (ret) printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret); } /* * Routine: pinmux_init * Description: Do individual peripheral pinmux configs */ void pinmux_init(void) { pinmux_clear_tristate_input_clamping(); gpio_config_table(p2371_2180_gpio_inits, ARRAY_SIZE(p2371_2180_gpio_inits)); pinmux_config_pingrp_table(p2371_2180_pingrps, ARRAY_SIZE(p2371_2180_pingrps)); pinmux_config_drvgrp_table(p2371_2180_drvgrps, ARRAY_SIZE(p2371_2180_drvgrps)); } #ifdef CONFIG_PCI_TEGRA int tegra_pcie_board_init(void) { struct udevice *dev; uchar val; int ret; /* Turn on MAX77620 LDO1 to 1.05V for PEX power */ debug("%s: Set LDO1 for PEX power to 1.05V\n", __func__); ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev); if (ret) { printf("%s: Cannot find MAX77620 I2C chip\n", __func__); return -1; } /* 0xCA for 1.05v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */ val = 0xCA; ret = dm_i2c_write(dev, MAX77620_CNFG1_L1_REG, &val, 1); if (ret) printf("i2c_write 0 0x3c 0x25 failed: %d\n", ret); return 0; } #endif /* PCI */