LXR uboot/board/nvidia/jetson-tk1/jetson-tk1.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2014
   4 * NVIDIA Corporation <www.nvidia.com>
   5 */
   6
   7#include <common.h>
   8#include <dm.h>
   9#include <power/as3722.h>
  10#include <power/pmic.h>
  11
  12#include <asm/arch/gpio.h>
  13#include <asm/arch/pinmux.h>
  14
  15#include "pinmux-config-jetson-tk1.h"
  16
  17/*
  18 * Routine: pinmux_init
  19 * Description: Do individual peripheral pinmux configs
  20 */
  21void pinmux_init(void)
  22{
  23        pinmux_clear_tristate_input_clamping();
  24
  25        gpio_config_table(jetson_tk1_gpio_inits,
  26                          ARRAY_SIZE(jetson_tk1_gpio_inits));
  27
  28        pinmux_config_pingrp_table(jetson_tk1_pingrps,
  29                                   ARRAY_SIZE(jetson_tk1_pingrps));
  30
  31        pinmux_config_drvgrp_table(jetson_tk1_drvgrps,
  32                                   ARRAY_SIZE(jetson_tk1_drvgrps));
  33
  34        pinmux_config_mipipadctrlgrp_table(jetson_tk1_mipipadctrlgrps,
  35                                        ARRAY_SIZE(jetson_tk1_mipipadctrlgrps));
  36}
  37
  38#ifdef CONFIG_PCI_TEGRA
  39/* TODO: Convert to driver model */
  40static int as3722_sd_enable(struct udevice *pmic, unsigned int sd)
  41{
  42        int err;
  43
  44        if (sd > 6)
  45                return -EINVAL;
  46
  47        err = pmic_clrsetbits(pmic, AS3722_SD_CONTROL, 0, 1 << sd);
  48        if (err) {
  49                pr_err("failed to update SD control register: %d", err);
  50                return err;
  51        }
  52
  53        return 0;
  54}
  55
  56int tegra_pcie_board_init(void)
  57{
  58        struct udevice *dev;
  59        int ret;
  60
  61        ret = uclass_get_device_by_driver(UCLASS_PMIC,
  62                                          DM_GET_DRIVER(pmic_as3722), &dev);
  63        if (ret) {
  64                debug("%s: Failed to find PMIC\n", __func__);
  65                return ret;
  66        }
  67
  68        ret = as3722_sd_enable(dev, 4);
  69        if (ret < 0) {
  70                pr_err("failed to enable SD4: %d\n", ret);
  71                return ret;
  72        }
  73
  74        ret = as3722_sd_set_voltage(dev, 4, 0x24);
  75        if (ret < 0) {
  76                pr_err("failed to set SD4 voltage: %d\n", ret);
  77                return ret;
  78        }
  79
  80        return 0;
  81}
  82#endif /* PCI */
  83