board/nvidia/nyan-big/nyan-big.c

   1 /*
   2  * (C) Copyright 2014
   3  * NVIDIA Corporation <www.nvidia.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <errno.h>
  10 #include <asm/gpio.h>
  11 #include <asm/arch/pinmux.h>
  12 #include <power/as3722.h>
  13 #include <power/pmic.h>
  14 #include "pinmux-config-nyan-big.h"
  15
  16 /*
  17  * Routine: pinmux_init
  18  * Description: Do individual peripheral pinmux configs
  19  */
  20 void pinmux_init(void)
  21 {
  22         gpio_config_table(nyan_big_gpio_inits,
  23                           ARRAY_SIZE(nyan_big_gpio_inits));
  24
  25         pinmux_config_pingrp_table(nyan_big_pingrps,
  26                                    ARRAY_SIZE(nyan_big_pingrps));
  27
  28         pinmux_config_drvgrp_table(nyan_big_drvgrps,
  29                                    ARRAY_SIZE(nyan_big_drvgrps));
  30 }
  31
  32 int tegra_board_id(void)
  33 {
  34         static const int vector[] = {GPIO_PQ3, GPIO_PT1, GPIO_PX1,
  35                                         GPIO_PX4, -1};
  36
  37         gpio_claim_vector(vector, "board_id%d");
  38         return gpio_get_values_as_int(vector);
  39 }
  40
  41 int tegra_lcd_pmic_init(int board_id)
  42 {
  43         struct udevice *pmic;
  44         int ret;
  45
  46         ret = as3722_get(&pmic);
  47         if (ret)
  48                 return -ENOENT;
  49
  50         if (board_id == 0)
  51                 as3722_write(pmic, 0x00, 0x3c);
  52         else
  53                 as3722_write(pmic, 0x00, 0x50);
  54         as3722_write(pmic, 0x12, 0x10);
  55         as3722_write(pmic, 0x0c, 0x07);
  56         as3722_write(pmic, 0x20, 0x10);
  57
  58         return 0;
  59 }