linux/arch/arm/mach-tegra/board-pinmux.c
Stephen Warren ecc295bbab ARM: dt: tegra20: add pinmux to device tree
This adds a complete pinmux configuration to all Tegra20 device tree
files. This allows removal of board-dt-tegra20.c's use of the pinmux
board files, and the special device tree handling in board-pinmux.c.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
2012-04-18 10:26:39 -06:00

88 lines
2.9 KiB
C

/*
* Copyright (c) 2011,2012, NVIDIA CORPORATION. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/notifier.h>
#include <linux/string.h>
#include "board-pinmux.h"
#include "devices.h"
unsigned long tegra_pincfg_pullnone_driven[2] = {
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
};
unsigned long tegra_pincfg_pullnone_tristate[2] = {
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
};
unsigned long tegra_pincfg_pullnone_na[1] = {
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
};
unsigned long tegra_pincfg_pullup_driven[2] = {
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
};
unsigned long tegra_pincfg_pullup_tristate[2] = {
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
};
unsigned long tegra_pincfg_pullup_na[1] = {
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
};
unsigned long tegra_pincfg_pulldown_driven[2] = {
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
};
unsigned long tegra_pincfg_pulldown_tristate[2] = {
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
};
unsigned long tegra_pincfg_pulldown_na[1] = {
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
};
unsigned long tegra_pincfg_pullna_driven[1] = {
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
};
unsigned long tegra_pincfg_pullna_tristate[1] = {
TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
};
static struct platform_device *devices[] = {
&tegra_gpio_device,
&tegra_pinmux_device,
};
void tegra_board_pinmux_init(struct tegra_board_pinmux_conf *conf_a,
struct tegra_board_pinmux_conf *conf_b)
{
if (conf_a)
pinctrl_register_mappings(conf_a->maps, conf_a->map_count);
if (conf_b)
pinctrl_register_mappings(conf_b->maps, conf_b->map_count);
platform_add_devices(devices, ARRAY_SIZE(devices));
}