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  */
  21 void 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 */
  40 static 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
  56 int 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 */