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/*
* arch/arm/mach-tegra/board-p852-gpio.c
*
* Copyright (C) 2010-2011 NVIDIA Corporation.
*
* 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/kernel.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/irq.h>
#include "board-p852.h"
static struct gpio p852_sku23_gpios[] = {
{TEGRA_GPIO_PW1, GPIOF_OUT_INIT_LOW, "usbpwr0_ena"},
{TEGRA_GPIO_PB2, GPIOF_OUT_INIT_LOW, "usbpwr1_ena"},
{TEGRA_GPIO_PA0, GPIOF_OUT_INIT_LOW, "a0"},
{TEGRA_GPIO_PV2, GPIOF_OUT_INIT_HIGH, "v2"},
{TEGRA_GPIO_PT4, GPIOF_OUT_INIT_LOW, "t4"},
{TEGRA_GPIO_PD6, GPIOF_OUT_INIT_HIGH, "d6"},
{TEGRA_GPIO_PI3, GPIOF_OUT_INIT_LOW, "i3"},
{TEGRA_GPIO_PV3, GPIOF_OUT_INIT_HIGH, "v3"},
{TEGRA_GPIO_PW4, GPIOF_IN, "w4"},
{TEGRA_GPIO_PW5, GPIOF_IN, "w5"},
{TEGRA_GPIO_PT1, GPIOF_OUT_INIT_LOW, "t1"},
{TEGRA_GPIO_PW3, GPIOF_OUT_INIT_HIGH, "w3"},
{TEGRA_GPIO_PD5, GPIOF_IN, "d5"},
{TEGRA_GPIO_PBB1, GPIOF_OUT_INIT_LOW, "bb1"},
};
static struct gpio p852_sku23_b00_gpios[] = {
{TEGRA_GPIO_PW1, GPIOF_OUT_INIT_HIGH, "usbpwr0_ena"},
{TEGRA_GPIO_PB2, GPIOF_OUT_INIT_HIGH, "usbpwr1_ena"},
{TEGRA_GPIO_PA0, GPIOF_OUT_INIT_LOW, "a0"},
{TEGRA_GPIO_PV2, GPIOF_OUT_INIT_HIGH, "v2"},
{TEGRA_GPIO_PT4, GPIOF_OUT_INIT_LOW, "t4"},
{TEGRA_GPIO_PD6, GPIOF_OUT_INIT_HIGH, "d6"},
{TEGRA_GPIO_PI3, GPIOF_OUT_INIT_LOW, "i3"},
{TEGRA_GPIO_PV3, GPIOF_OUT_INIT_HIGH, "v3"},
{TEGRA_GPIO_PW4, GPIOF_IN, "w4"},
{TEGRA_GPIO_PW5, GPIOF_IN, "w5"},
{TEGRA_GPIO_PT1, GPIOF_OUT_INIT_LOW, "t1"},
{TEGRA_GPIO_PW3, GPIOF_OUT_INIT_HIGH, "w3"},
{TEGRA_GPIO_PD5, GPIOF_IN, "d5"},
{TEGRA_GPIO_PBB1, GPIOF_OUT_INIT_LOW, "bb1"},
};
static struct gpio p852_sku5_gpios[] = {
{TEGRA_GPIO_PW1, GPIOF_OUT_INIT_HIGH, "usbpwr0_ena"},
{TEGRA_GPIO_PB2, GPIOF_OUT_INIT_HIGH, "usbpwr1_ena"},
{TEGRA_GPIO_PA0, GPIOF_OUT_INIT_LOW, "a0"},
{TEGRA_GPIO_PV2, GPIOF_OUT_INIT_HIGH, "v2"},
{TEGRA_GPIO_PT4, GPIOF_OUT_INIT_LOW, "t4"},
{TEGRA_GPIO_PD6, GPIOF_OUT_INIT_HIGH, "d6"},
{TEGRA_GPIO_PI3, GPIOF_OUT_INIT_LOW, "i3"},
{TEGRA_GPIO_PV3, GPIOF_OUT_INIT_HIGH, "v3"},
{TEGRA_GPIO_PW4, GPIOF_IN, "w4"},
{TEGRA_GPIO_PW5, GPIOF_IN, "w5"},
{TEGRA_GPIO_PT1, GPIOF_OUT_INIT_LOW, "t1"},
{TEGRA_GPIO_PW3, GPIOF_OUT_INIT_HIGH, "w3"},
{TEGRA_GPIO_PD5, GPIOF_IN, "d5"},
{TEGRA_GPIO_PBB1, GPIOF_OUT_INIT_LOW, "bb1"},
{TEGRA_GPIO_PS3, GPIOF_IN, "s3"},
};
static struct gpio p852_sku8_gpios[] = {
{TEGRA_GPIO_PW1, GPIOF_OUT_INIT_HIGH, "w1"},
{TEGRA_GPIO_PB2, GPIOF_OUT_INIT_HIGH, "b2"},
};
static struct gpio p852_sku13_b00_gpios[] = {
{TEGRA_GPIO_PW1, GPIOF_OUT_INIT_HIGH, "w1"},
{TEGRA_GPIO_PB2, GPIOF_OUT_INIT_HIGH, "b2"},
{TEGRA_GPIO_PW2, GPIOF_IN, "w2"},
{TEGRA_GPIO_PW3, GPIOF_IN, "w3"},
{TEGRA_GPIO_PD5, GPIOF_OUT_INIT_LOW, "d5"},
{TEGRA_GPIO_PBB1, GPIOF_OUT_INIT_LOW, "bb1"},
{TEGRA_GPIO_PN7, GPIOF_OUT_INIT_LOW, "n7"},
{TEGRA_GPIO_PA6, GPIOF_OUT_INIT_HIGH, "a6"},
{TEGRA_GPIO_PA7, GPIOF_OUT_INIT_HIGH, "a7"},
};
static struct gpio p852_gpios[] = {
{TEGRA_GPIO_PW1, GPIOF_OUT_INIT_LOW, "w1"},
{TEGRA_GPIO_PB2, GPIOF_OUT_INIT_LOW, "b2"},
{TEGRA_GPIO_PW2, GPIOF_IN, "w2"},
{TEGRA_GPIO_PW3, GPIOF_IN, "w3"},
{TEGRA_GPIO_PD5, GPIOF_OUT_INIT_LOW, "d5"},
{TEGRA_GPIO_PBB1, GPIOF_OUT_INIT_LOW, "bb1"},
{TEGRA_GPIO_PN7, GPIOF_OUT_INIT_LOW, "n7"},
{TEGRA_GPIO_PA6, GPIOF_OUT_INIT_HIGH, "a6"},
{TEGRA_GPIO_PA7, GPIOF_OUT_INIT_HIGH, "a7"},
};
void __init p852_gpio_init(void)
{
int pin_count = 0;
int i;
struct gpio *gpios_info = NULL;
switch (system_rev) {
case P852_SKU23:
{
gpios_info = p852_sku23_gpios;
pin_count = ARRAY_SIZE(p852_sku23_gpios);
}
break;
case P852_SKU23_B00:
case P852_SKU23_C01:
{
gpios_info = p852_sku23_b00_gpios;
pin_count = ARRAY_SIZE(p852_sku23_b00_gpios);
}
break;
case P852_SKU5_B00:
case P852_SKU5_C01:
{
gpios_info = p852_sku5_gpios;
pin_count = ARRAY_SIZE(p852_sku5_gpios);
}
break;
case P852_SKU8_B00:
case P852_SKU8_C01:
case P852_SKU9_B00:
case P852_SKU9_C01:
{
gpios_info = p852_sku8_gpios;
pin_count = ARRAY_SIZE(p852_sku8_gpios);
}
break;
case P852_SKU13_B00:
{
gpios_info = p852_sku13_b00_gpios;
pin_count = ARRAY_SIZE(p852_sku13_b00_gpios);
}
break;
default:
{
gpios_info = p852_gpios;
pin_count = ARRAY_SIZE(p852_gpios);
}
}
gpio_request_array(gpios_info, pin_count);
for (i = 0; i < pin_count; i++) {
gpio_export(gpios_info[i].gpio, true);
}
}
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