arch/arm/mach-tegra/board-pinmux.c

   1 /*
   2  * Copyright (c) 2011,2012, NVIDIA CORPORATION.  All rights reserved.
   3  *
   4  * This software is licensed under the terms of the GNU General Public
   5  * License version 2, as published by the Free Software Foundation, and
   6  * may be copied, distributed, and modified under those terms.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  */
  14
  15 #include <linux/device.h>
  16 #include <linux/kernel.h>
  17 #include <linux/notifier.h>
  18 #include <linux/string.h>
  19
  20 #include "board-pinmux.h"
  21 #include "devices.h"
  22
  23 unsigned long tegra_pincfg_pullnone_driven[2] = {
  24         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
  25         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
  26 };
  27
  28 unsigned long tegra_pincfg_pullnone_tristate[2] = {
  29         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
  30         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
  31 };
  32
  33 unsigned long tegra_pincfg_pullnone_na[1] = {
  34         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
  35 };
  36
  37 unsigned long tegra_pincfg_pullup_driven[2] = {
  38         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
  39         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
  40 };
  41
  42 unsigned long tegra_pincfg_pullup_tristate[2] = {
  43         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
  44         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
  45 };
  46
  47 unsigned long tegra_pincfg_pullup_na[1] = {
  48         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
  49 };
  50
  51 unsigned long tegra_pincfg_pulldown_driven[2] = {
  52         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
  53         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
  54 };
  55
  56 unsigned long tegra_pincfg_pulldown_tristate[2] = {
  57         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
  58         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
  59 };
  60
  61 unsigned long tegra_pincfg_pulldown_na[1] = {
  62         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
  63 };
  64
  65 unsigned long tegra_pincfg_pullna_driven[1] = {
  66         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
  67 };
  68
  69 unsigned long tegra_pincfg_pullna_tristate[1] = {
  70         TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
  71 };
  72
  73 static struct platform_device *devices[] = {
  74         &tegra_gpio_device,
  75         &tegra_pinmux_device,
  76 };
  77
  78 void tegra_board_pinmux_init(struct tegra_board_pinmux_conf *conf_a,
  79                              struct tegra_board_pinmux_conf *conf_b)
  80 {
  81         if (conf_a)
  82                 pinctrl_register_mappings(conf_a->maps, conf_a->map_count);
  83         if (conf_b)
  84                 pinctrl_register_mappings(conf_b->maps, conf_b->map_count);
  85
  86         platform_add_devices(devices, ARRAY_SIZE(devices));
  87 }