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

/* Copyright (c) 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>

#define KS8851_IRQ_GPIO 75

static struct gpiomux_setting gpio_uart_config = {
	.func = GPIOMUX_FUNC_2,
	.drv = GPIOMUX_DRV_16MA,
	.pull = GPIOMUX_PULL_NONE,
	.dir = GPIOMUX_OUT_HIGH,
};

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

static struct gpiomux_setting gpio_i2c_act_config = {
	.func = GPIOMUX_FUNC_3,
	.drv  = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_UP,
};

static struct gpiomux_setting gpio_touch_int_act_config = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv  = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_UP,
};

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

static struct gpiomux_setting gpio_touch_reset_act_config = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv  = GPIOMUX_DRV_6MA,
	.pull = GPIOMUX_PULL_UP,
};

static struct gpiomux_setting gpio_touch_reset_sus_config = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv  = GPIOMUX_DRV_2MA,
	.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,
};

#if defined(CONFIG_KS8851) || defined(CONFIG_KS8851_MODULE)
static struct gpiomux_setting gpio_spi_config = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_12MA,
	.pull = GPIOMUX_PULL_NONE,
};

static struct gpiomux_setting gpio_spi_cs1_config = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_6MA,
	.pull = GPIOMUX_PULL_UP,
};

static struct gpiomux_setting gpio_spi_cs2_config = {
	.func = GPIOMUX_FUNC_4,
	.drv = GPIOMUX_DRV_6MA,
	.pull = GPIOMUX_PULL_DOWN,
};

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

static struct msm_gpiomux_config msm_eth_configs[] = {
	{
		.gpio = KS8851_IRQ_GPIO,
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_eth_config,
		}
	},
};
#endif

static struct msm_gpiomux_config wcnss_5wire_interface[] = {
	{
		.gpio = 36,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 37,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 38,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 39,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 40,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
};

static struct msm_gpiomux_config msm_blsp_configs[] __initdata = {
	{
		.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 QUP SPI_CLK */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
		},
	},
	{
		.gpio      = 6,		/* BLSP1 QUP2 I2C_SDA */
		.settings = {
			[GPIOMUX_ACTIVE] = &gpio_i2c_act_config,
			[GPIOMUX_SUSPENDED] = &gpio_i2c_config,
		},
	},
	{
		.gpio      = 7,		/* BLSP1 QUP2 I2C_SCL */
		.settings = {
			[GPIOMUX_ACTIVE] = &gpio_i2c_act_config,
			[GPIOMUX_SUSPENDED] = &gpio_i2c_config,
		},
	},
	{
		.gpio      = 8,		/* BLSP1 QUP SPI_CS1_N */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_spi_cs1_config,
		},
	},
	{
		.gpio      = 9,		/* BLSP1 QUP SPI_CS2A_N */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_spi_cs2_config,
		},
	},
	{
		.gpio      = 4,	       /* BLSP2 UART TX */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_uart_config,
		},
	},
	{
		.gpio      = 5,	       /* BLSP2 UART RX */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_uart_config,
		},
	},
	{
		.gpio      = 55,		/* BLSP2 QUP1 I2C_SDA */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_i2c_config,
		},
	},
	{
		.gpio      = 56,		/* BLSP2 QUP1 I2C_SCL */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_i2c_config,
		},
	},
	{	/* NFC */
		.gpio      = 87,		/* BLSP2 QUP2 I2C_DAT */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_i2c_config,
		},
	},
	{	/* NFC */
		.gpio      = 88,		/* BLSP2 QUP2 I2C_CLK */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_i2c_config,
		},
	},
};

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 msm_gpiomux_config msm_lcd_configs[] __initdata = {
	{
		.gpio = 102,			/* BKLT ENABLE */
		.settings = {
			[GPIOMUX_ACTIVE]    = &lcd_en_act_cfg,
			[GPIOMUX_SUSPENDED] = &lcd_en_sus_cfg,
		},
	},
	{
		.gpio = 82,			/* DISPLAY ENABLE */
		.settings = {
			[GPIOMUX_ACTIVE]    = &lcd_en_act_cfg,
			[GPIOMUX_SUSPENDED] = &lcd_en_sus_cfg,
		},
	},
};

static struct gpiomux_setting auxpcm_act_cfg = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_NONE,
};

static struct gpiomux_setting auxpcm_sus_cfg = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_DOWN,
};

/* Primary AUXPCM port sharing GPIO lines with Primary MI2S */
static struct msm_gpiomux_config samarium_pri_pri_auxpcm_cfg[] __initdata = {
	{
		.gpio = 65,
		.settings = {
			[GPIOMUX_SUSPENDED] = &auxpcm_sus_cfg,
			[GPIOMUX_ACTIVE] = &auxpcm_act_cfg,
		},
	},
	{
		.gpio = 66,
		.settings = {
			[GPIOMUX_SUSPENDED] = &auxpcm_sus_cfg,
			[GPIOMUX_ACTIVE] = &auxpcm_act_cfg,
		},
	},
	{
		.gpio = 67,
		.settings = {
			[GPIOMUX_SUSPENDED] = &auxpcm_sus_cfg,
			[GPIOMUX_ACTIVE] = &auxpcm_act_cfg,
		},
	},
	{
		.gpio = 68,
		.settings = {
			[GPIOMUX_SUSPENDED] = &auxpcm_sus_cfg,
			[GPIOMUX_ACTIVE] = &auxpcm_act_cfg,
		},
	},
};
static struct msm_gpiomux_config msm_touch_configs[] __initdata = {
	{
		.gpio      = 14,	       /* TOUCH INT GPIO */
		.settings = {
			[GPIOMUX_ACTIVE] = &gpio_touch_int_act_config,
			[GPIOMUX_SUSPENDED] = &gpio_touch_int_sus_config,
		},
	},
	{
		.gpio      = 13,	       /* TOUCH RESET GPIO */
		.settings = {
			[GPIOMUX_ACTIVE] = &gpio_touch_reset_act_config,
			[GPIOMUX_SUSPENDED] = &gpio_touch_reset_sus_config,
		},
	},
};

static struct gpiomux_setting sd_card_det_active_config = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_NONE,
	.dir = GPIOMUX_IN,
};

static struct gpiomux_setting sd_card_det_suspend_config = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_UP,
	.dir = GPIOMUX_IN,
};

static struct msm_gpiomux_config sd_card_det[] __initdata = {
	{
		.gpio = 62,
		.settings = {
			[GPIOMUX_ACTIVE]    = &sd_card_det_active_config,
			[GPIOMUX_SUSPENDED] = &sd_card_det_suspend_config,
		},
	},
};

void __init msmsamarium_init_gpiomux(void)
{
	int rc;

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

#if defined(CONFIG_KS8851) || defined(CONFIG_KS8851_MODULE)
	msm_gpiomux_install(msm_eth_configs, ARRAY_SIZE(msm_eth_configs));
#endif
	msm_gpiomux_install(msm_blsp_configs, ARRAY_SIZE(msm_blsp_configs));
	msm_gpiomux_install(msm_lcd_configs, ARRAY_SIZE(msm_lcd_configs));
	msm_gpiomux_install(samarium_pri_pri_auxpcm_cfg,
			ARRAY_SIZE(samarium_pri_pri_auxpcm_cfg));
	msm_gpiomux_install(msm_touch_configs, ARRAY_SIZE(msm_touch_configs));
	msm_gpiomux_install(sd_card_det, ARRAY_SIZE(sd_card_det));
	msm_gpiomux_install(wcnss_5wire_interface,
				ARRAY_SIZE(wcnss_5wire_interface));
}