LXR uboot/board/nvidia/p2371-0000/p2371-0000.c

   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
  14void 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 */
  38void 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