arch/arm/mach-msm/board-8610-gpiomux.c

/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * 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/init.h>
#include <linux/ioport.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/gpiomux.h>

static struct gpiomux_setting gpio_i2c_config = {
	.func = GPIOMUX_FUNC_3,
	.drv  = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_NONE,
};

static struct gpiomux_setting gpio_spi_config = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_6MA,
	.pull = GPIOMUX_PULL_NONE,
};

static struct gpiomux_setting gpio_spi_cs_config = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_6MA,
	.pull = GPIOMUX_PULL_DOWN,
};

static struct gpiomux_setting wcnss_5wire_suspend_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv  = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_UP,
};

static struct gpiomux_setting wcnss_5wire_active_cfg = {
	.func = GPIOMUX_FUNC_1,
	.drv  = GPIOMUX_DRV_6MA,
	.pull = GPIOMUX_PULL_DOWN,
};

static struct gpiomux_setting lcd_en_act_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_NONE,
	.dir = GPIOMUX_OUT_HIGH,
};

static struct gpiomux_setting lcd_en_sus_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_DOWN,
};

static struct gpiomux_setting gpio_keys_active = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_UP,
};

static struct gpiomux_setting gpio_keys_suspend = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_NONE,
};

static struct msm_gpiomux_config msm_lcd_configs[] __initdata = {
	{
		.gpio = 41,
		.settings = {
			[GPIOMUX_ACTIVE]    = &lcd_en_act_cfg,
			[GPIOMUX_SUSPENDED] = &lcd_en_sus_cfg,
		},
	},
	{
		.gpio = 7,
		.settings = {
			[GPIOMUX_ACTIVE]    = &lcd_en_act_cfg,
			[GPIOMUX_SUSPENDED] = &lcd_en_sus_cfg,
		},
	},
};

static struct msm_gpiomux_config msm_blsp_configs[] __initdata = {
	{
		.gpio      = 10,	/* BLSP1 QUP3 I2C_SDA */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_i2c_config,
		},
	},
	{
		.gpio      = 11,	/* BLSP1 QUP3 I2C_SCL */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_i2c_config,
		},
	},
	{
		.gpio      = 0,		/* BLSP1 QUP1 SPI_DATA_MOSI */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
		},
	},
	{
		.gpio      = 1,		/* BLSP1 QUP1 SPI_DATA_MISO */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
		},
	},
	{
		.gpio      = 3,		/* BLSP1 QUP1 SPI_CLK */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
		},
	},
	{
		.gpio      = 2,		/* BLSP1 QUP1 SPI_CS1 */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_spi_cs_config,
		},
	},
};

static struct msm_gpiomux_config wcnss_5wire_interface[] = {
	{
		.gpio = 23,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 24,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 25,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 26,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 27,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
};

static struct msm_gpiomux_config msm_keypad_configs[] __initdata = {
	{
		.gpio = 72,
		.settings = {
			[GPIOMUX_ACTIVE]    = &gpio_keys_active,
			[GPIOMUX_SUSPENDED] = &gpio_keys_suspend,
		},
	},
	{
		.gpio = 73,
		.settings = {
			[GPIOMUX_ACTIVE]    = &gpio_keys_active,
			[GPIOMUX_SUSPENDED] = &gpio_keys_suspend,
		},
	},
	{
		.gpio = 74,
		.settings = {
			[GPIOMUX_ACTIVE]    = &gpio_keys_active,
			[GPIOMUX_SUSPENDED] = &gpio_keys_suspend,
		},
	},
};

void __init msm8610_init_gpiomux(void)
{
	int rc;

	rc = msm_gpiomux_init_dt();
	if (rc) {
		pr_err("%s failed %d\n", __func__, rc);
		return;
	}

	msm_gpiomux_install(msm_blsp_configs, ARRAY_SIZE(msm_blsp_configs));
	msm_gpiomux_install(wcnss_5wire_interface,
			ARRAY_SIZE(wcnss_5wire_interface));
	msm_gpiomux_install(msm_lcd_configs, ARRAY_SIZE(msm_lcd_configs));
	msm_gpiomux_install(msm_keypad_configs,
				ARRAY_SIZE(msm_keypad_configs));
}