2 * Copyright (c) 2016, NVIDIA CORPORATION
4 * SPDX-License-Identifier: GPL-2.0
9 #include "../p2571/max77620_init.h"
11 int tegra_board_init(void)
17 /* Turn on MAX77620 LDO3 to 3.3V for SD card power */
18 debug("%s: Set LDO3 for VDDIO_SDMMC_AP power to 3.3V\n", __func__);
19 ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
21 printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
24 /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
26 ret = dm_i2c_write(dev, MAX77620_CNFG1_L3_REG, &val, 1);
28 printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
35 int tegra_pcie_board_init(void)
41 /* Turn on MAX77620 LDO7 to 1.05V for PEX power */
42 debug("%s: Set LDO7 for PEX power to 1.05V\n", __func__);
43 ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
45 printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
48 /* 0xC5 for 1.05v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
50 ret = dm_i2c_write(dev, MAX77620_CNFG1_L7_REG, &val, 1);
52 printf("i2c_write 0 0x3c 0x31 failed: %d\n", ret);