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https://github.com/edk2-porting/linux-next.git
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ecc295bbab
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>
88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
/*
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* Copyright (c) 2011,2012, NVIDIA CORPORATION. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/device.h>
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#include <linux/kernel.h>
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#include <linux/notifier.h>
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#include <linux/string.h>
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#include "board-pinmux.h"
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#include "devices.h"
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unsigned long tegra_pincfg_pullnone_driven[2] = {
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
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};
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unsigned long tegra_pincfg_pullnone_tristate[2] = {
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
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};
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unsigned long tegra_pincfg_pullnone_na[1] = {
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_NONE),
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};
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unsigned long tegra_pincfg_pullup_driven[2] = {
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
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};
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unsigned long tegra_pincfg_pullup_tristate[2] = {
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
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};
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unsigned long tegra_pincfg_pullup_na[1] = {
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_UP),
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};
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unsigned long tegra_pincfg_pulldown_driven[2] = {
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
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};
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unsigned long tegra_pincfg_pulldown_tristate[2] = {
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
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};
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unsigned long tegra_pincfg_pulldown_na[1] = {
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_PULL, TEGRA_PINCONFIG_PULL_DOWN),
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};
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unsigned long tegra_pincfg_pullna_driven[1] = {
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_DRIVEN),
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};
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unsigned long tegra_pincfg_pullna_tristate[1] = {
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TEGRA_PINCONF_PACK(TEGRA_PINCONF_PARAM_TRISTATE, TEGRA_PINCONFIG_TRISTATE),
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};
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static struct platform_device *devices[] = {
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&tegra_gpio_device,
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&tegra_pinmux_device,
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};
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void tegra_board_pinmux_init(struct tegra_board_pinmux_conf *conf_a,
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struct tegra_board_pinmux_conf *conf_b)
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{
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if (conf_a)
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pinctrl_register_mappings(conf_a->maps, conf_a->map_count);
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if (conf_b)
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pinctrl_register_mappings(conf_b->maps, conf_b->map_count);
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platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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