2 * (C) Copyright 2013-2015
3 * NVIDIA Corporation <www.nvidia.com>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/gpio.h>
11 #include <asm/arch/pinmux.h>
12 #include "../p2571/max77620_init.h"
13 #include "pinmux-config-p2371-2180.h"
15 void pin_mux_mmc(void)
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);
25 printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
28 /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
30 ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1);
32 printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
34 /* Disable LDO4 discharge */
35 ret = dm_i2c_read(dev, MAX77620_CNFG2_L4_REG, &val, 1);
37 printf("i2c_read 0 0x3c 0x2c failed: %d\n", ret);
39 val &= ~BIT(1); /* ADE */
40 ret = dm_i2c_write(dev, MAX77620_CNFG2_L4_REG, &val, 1);
42 printf("i2c_write 0 0x3c 0x2c failed: %d\n", ret);
46 ret = dm_i2c_read(dev, MAX77620_CNFGGLBL1_REG, &val, 1);
48 printf("i2c_write 0 0x3c 0x00 failed: %d\n", ret);
50 val |= BIT(6); /* MBLPD */
51 ret = dm_i2c_write(dev, MAX77620_CNFGGLBL1_REG, &val, 1);
53 printf("i2c_write 0 0x3c 0x00 failed: %d\n", ret);
58 * Routine: pinmux_init
59 * Description: Do individual peripheral pinmux configs
61 void pinmux_init(void)
63 pinmux_clear_tristate_input_clamping();
65 gpio_config_table(p2371_2180_gpio_inits,
66 ARRAY_SIZE(p2371_2180_gpio_inits));
68 pinmux_config_pingrp_table(p2371_2180_pingrps,
69 ARRAY_SIZE(p2371_2180_pingrps));
71 pinmux_config_drvgrp_table(p2371_2180_drvgrps,
72 ARRAY_SIZE(p2371_2180_drvgrps));
75 #ifdef CONFIG_PCI_TEGRA
76 int tegra_pcie_board_init(void)
82 /* Turn on MAX77620 LDO1 to 1.05V for PEX power */
83 debug("%s: Set LDO1 for PEX power to 1.05V\n", __func__);
84 ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
86 printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
89 /* 0xCA for 1.05v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
91 ret = dm_i2c_write(dev, MAX77620_CNFG1_L1_REG, &val, 1);
93 printf("i2c_write 0 0x3c 0x25 failed: %d\n", ret);