arch/arm/mach-msm/board-8930-gpiomux.c

/* Copyright (c) 2011, Code Aurora Forum. 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 <asm/mach-types.h>
#include <mach/gpio.h>
#include <mach/gpiomux.h>
#include <mach/socinfo.h>
#include "devices.h"
#include "board-8930.h"

/* The SPI configurations apply to GSBI 1*/
static struct gpiomux_setting spi_active = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_12MA,
	.pull = GPIOMUX_PULL_NONE,
};

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

static struct gpiomux_setting spi_active_config2 = {
	.func = GPIOMUX_FUNC_2,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_NONE,
};

static struct gpiomux_setting spi_suspended_config2 = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_UP,
};

static struct gpiomux_setting gsbi3_suspended_cfg = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_KEEPER,
};

static struct gpiomux_setting gsbi3_active_cfg = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_NONE,
};

static struct gpiomux_setting gsbi5 = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_NONE,
};

static struct gpiomux_setting gsbi10 = {
	.func = GPIOMUX_FUNC_2,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_NONE,
};

static struct gpiomux_setting gsbi12 = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_NONE,
};

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

static struct gpiomux_setting audio_auxpcm[] = {
	/* Suspended state */
	{
		.func = GPIOMUX_FUNC_GPIO,
		.drv = GPIOMUX_DRV_2MA,
		.pull = GPIOMUX_PULL_NONE,
	},
	/* Active state */
	{
		.func = GPIOMUX_FUNC_1,
		.drv = GPIOMUX_DRV_2MA,
		.pull = GPIOMUX_PULL_NONE,
	},
};

#if defined(CONFIG_KS8851) || defined(CONFIG_KS8851_MODULE)
static struct gpiomux_setting gpio_eth_config = {
	.pull = GPIOMUX_PULL_NONE,
	.drv = GPIOMUX_DRV_8MA,
	.func = GPIOMUX_FUNC_GPIO,
};
#endif

static struct gpiomux_setting slimbus = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_KEEPER,
};

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 atmel_resout_sus_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_6MA,
	.pull = GPIOMUX_PULL_DOWN,
};

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

static struct gpiomux_setting atmel_ldo_en_sus_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_6MA,
	.pull = GPIOMUX_PULL_DOWN,
};

static struct gpiomux_setting atmel_ldo_en_act_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_6MA,
	.pull = GPIOMUX_PULL_DOWN,
};

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

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

#ifdef CONFIG_USB_EHCI_MSM_HSIC
static struct gpiomux_setting hsic_act_cfg = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_12MA,
	.pull = GPIOMUX_PULL_NONE,
};

static struct gpiomux_setting hsic_sus_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_DOWN,
	.dir = GPIOMUX_OUT_LOW,
};

static struct gpiomux_setting hsic_hub_act_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_NONE,
};
#endif

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

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

static struct gpiomux_setting ap2mdm_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_DOWN,
};

static struct gpiomux_setting mdm2ap_status_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_NONE,
};

static struct gpiomux_setting mdm2ap_errfatal_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_16MA,
	.pull = GPIOMUX_PULL_DOWN,
};

static struct gpiomux_setting ap2mdm_kpdpwr_n_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_NONE,
};

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

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

#ifdef CONFIG_FB_MSM_HDMI_MSM_PANEL
static struct gpiomux_setting hdmi_suspend_cfg = {
	.func = GPIOMUX_FUNC_GPIO,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_DOWN,
};

static struct gpiomux_setting hdmi_active_1_cfg = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_UP,
};

static struct gpiomux_setting hdmi_active_2_cfg = {
	.func = GPIOMUX_FUNC_1,
	.drv = GPIOMUX_DRV_2MA,
	.pull = GPIOMUX_PULL_DOWN,
};
#endif

#if defined(CONFIG_KS8851) || defined(CONFIG_KS8851_MODULE)
static struct msm_gpiomux_config msm8960_ethernet_configs[] = {
	{
		.gpio = 90,
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_eth_config,
		}
	},
	{
		.gpio = 89,
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_eth_config,
		}
	},
};
#endif

static struct msm_gpiomux_config msm8960_gsbi_configs[] __initdata = {
	{
		.gpio      = 6,		/* GSBI1 QUP SPI_DATA_MOSI */
		.settings = {
			[GPIOMUX_SUSPENDED] = &spi_suspended_config,
			[GPIOMUX_ACTIVE] = &spi_active,
		},
	},
	{
		.gpio      = 7,		/* GSBI1 QUP SPI_DATA_MISO */
		.settings = {
			[GPIOMUX_SUSPENDED] = &spi_suspended_config,
			[GPIOMUX_ACTIVE] = &spi_active,
		},
	},
	{
		.gpio      = 8,		/* GSBI1 QUP SPI_CS_N */
		.settings = {
			[GPIOMUX_SUSPENDED] = &spi_suspended_config,
			[GPIOMUX_ACTIVE] = &spi_active,
		},
	},
	{
		.gpio      = 9,		/* GSBI1 QUP SPI_CLK */
		.settings = {
			[GPIOMUX_SUSPENDED] = &spi_suspended_config,
			[GPIOMUX_ACTIVE] = &spi_active,
		},
	},
	{
		.gpio      = 14,		/* GSBI1 SPI_CS_1 */
		.settings = {
			[GPIOMUX_SUSPENDED] = &spi_suspended_config2,
			[GPIOMUX_ACTIVE] = &spi_active_config2,
		},
	},
	{
		.gpio      = 16,	/* GSBI3 I2C QUP SDA */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gsbi3_suspended_cfg,
			[GPIOMUX_ACTIVE] = &gsbi3_active_cfg,
		},
	},
	{
		.gpio      = 17,	/* GSBI3 I2C QUP SCL */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gsbi3_suspended_cfg,
			[GPIOMUX_ACTIVE] = &gsbi3_active_cfg,
		},
	},
	{
		.gpio      = 22,	/* GSBI5 UART2 */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gsbi5,
		},
	},
	{
		.gpio      = 23,	/* GSBI5 UART2 */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gsbi5,
		},
	},
	{
		.gpio      = 24,	/* GSBI5 UART2 */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gsbi5,
		},
	},
	{
		.gpio      = 25,	/* GSBI5 UART2 */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gsbi5,
		},
	},
	{
		.gpio      = 44,	/* GSBI12 I2C QUP SDA */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gsbi12,
		},
	},
	{
		.gpio      = 45,	/* GSBI12 I2C QUP SCL */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gsbi12,
		},
	},
	{
		.gpio      = 73,	/* GSBI10 I2C QUP SDA */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gsbi10,
		},
	},
	{
		.gpio      = 74,	/* GSBI10 I2C QUP SCL */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gsbi10,
		},
	},
};

static struct msm_gpiomux_config msm8960_slimbus_config[] __initdata = {
	{
		.gpio	= 60,		/* slimbus data */
		.settings = {
			[GPIOMUX_SUSPENDED] = &slimbus,
		},
	},
	{
		.gpio	= 61,		/* slimbus clk */
		.settings = {
			[GPIOMUX_SUSPENDED] = &slimbus,
		},
	},
};

static struct msm_gpiomux_config msm8960_audio_codec_configs[] __initdata = {
	{
		.gpio = 59,
		.settings = {
			[GPIOMUX_SUSPENDED] = &cdc_mclk,
		},
	},
};

static struct msm_gpiomux_config msm8960_audio_auxpcm_configs[] __initdata = {
	{
		.gpio = 63,
		.settings = {
			[GPIOMUX_SUSPENDED] = &audio_auxpcm[0],
			[GPIOMUX_ACTIVE] = &audio_auxpcm[1],
		},
	},
	{
		.gpio = 64,
		.settings = {
			[GPIOMUX_SUSPENDED] = &audio_auxpcm[0],
			[GPIOMUX_ACTIVE] = &audio_auxpcm[1],
		},
	},
	{
		.gpio = 65,
		.settings = {
			[GPIOMUX_SUSPENDED] = &audio_auxpcm[0],
			[GPIOMUX_ACTIVE] = &audio_auxpcm[1],
		},
	},
	{
		.gpio = 66,
		.settings = {
			[GPIOMUX_SUSPENDED] = &audio_auxpcm[0],
			[GPIOMUX_ACTIVE] = &audio_auxpcm[1],
		},
	},
};

static struct msm_gpiomux_config wcnss_5wire_interface[] = {
	{
		.gpio = 84,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 85,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 86,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 87,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
	{
		.gpio = 88,
		.settings = {
			[GPIOMUX_ACTIVE]    = &wcnss_5wire_active_cfg,
			[GPIOMUX_SUSPENDED] = &wcnss_5wire_suspend_cfg,
		},
	},
};

static struct msm_gpiomux_config msm8960_atmel_configs[] __initdata = {
	{	/* TS INTERRUPT */
		.gpio = 11,
		.settings = {
			[GPIOMUX_ACTIVE]    = &atmel_int_act_cfg,
			[GPIOMUX_SUSPENDED] = &atmel_int_sus_cfg,
		},
	},
	{	/* TS LDO ENABLE */
		.gpio = 50,
		.settings = {
			[GPIOMUX_ACTIVE]    = &atmel_ldo_en_act_cfg,
			[GPIOMUX_SUSPENDED] = &atmel_ldo_en_sus_cfg,
		},
	},
	{	/* TS RESOUT */
		.gpio = 52,
		.settings = {
			[GPIOMUX_ACTIVE]    = &atmel_resout_act_cfg,
			[GPIOMUX_SUSPENDED] = &atmel_resout_sus_cfg,
		},
	},
};

#ifdef CONFIG_USB_EHCI_MSM_HSIC
static struct msm_gpiomux_config msm8960_hsic_configs[] = {
	{
		.gpio = 150,               /*HSIC_STROBE */
		.settings = {
			[GPIOMUX_ACTIVE] = &hsic_act_cfg,
			[GPIOMUX_SUSPENDED] = &hsic_sus_cfg,
		},
	},
	{
		.gpio = 151,               /* HSIC_DATA */
		.settings = {
			[GPIOMUX_ACTIVE] = &hsic_act_cfg,
			[GPIOMUX_SUSPENDED] = &hsic_sus_cfg,
		},
	},
	{
		.gpio = 91,               /* HSIC_HUB_RESET */
		.settings = {
			[GPIOMUX_ACTIVE] = &hsic_hub_act_cfg,
			[GPIOMUX_SUSPENDED] = &hsic_sus_cfg,
		},
	},
};
#endif

static struct msm_gpiomux_config hap_lvl_shft_config[] __initdata = {
	{
		.gpio = 47,
		.settings = {
			[GPIOMUX_SUSPENDED] = &hap_lvl_shft_suspended_config,
			[GPIOMUX_ACTIVE] = &hap_lvl_shft_active_config,
		},
	},
};

static struct msm_gpiomux_config mdm_configs[] __initdata = {
	/* AP2MDM_STATUS */
	{
		.gpio = 94,
		.settings = {
			[GPIOMUX_SUSPENDED] = &ap2mdm_cfg,
		}
	},
	/* MDM2AP_STATUS */
	{
		.gpio = 69,
		.settings = {
			[GPIOMUX_SUSPENDED] = &mdm2ap_status_cfg,
		}
	},
	/* MDM2AP_ERRFATAL */
	{
		.gpio = 70,
		.settings = {
			[GPIOMUX_SUSPENDED] = &mdm2ap_errfatal_cfg,
		}
	},
	/* AP2MDM_ERRFATAL */
	{
		.gpio = 95,
		.settings = {
			[GPIOMUX_SUSPENDED] = &ap2mdm_cfg,
		}
	},
	/* AP2MDM_KPDPWR_N */
	{
		.gpio = 81,
		.settings = {
			[GPIOMUX_SUSPENDED] = &ap2mdm_kpdpwr_n_cfg,
		}
	},
	/* AP2MDM_PMIC_RESET_N */
	{
		.gpio = 80,
		.settings = {
			[GPIOMUX_SUSPENDED] = &ap2mdm_kpdpwr_n_cfg,
		}
	}
};

static struct msm_gpiomux_config msm8960_mdp_vsync_configs[] __initdata = {
	{
		.gpio = 0,
		.settings = {
			[GPIOMUX_ACTIVE]    = &mdp_vsync_active_cfg,
			[GPIOMUX_SUSPENDED] = &mdp_vsync_suspend_cfg,
		},
	}
};

#ifdef CONFIG_FB_MSM_HDMI_MSM_PANEL
static struct msm_gpiomux_config msm8960_hdmi_configs[] __initdata = {
	{
		.gpio = 99,
		.settings = {
			[GPIOMUX_ACTIVE]    = &hdmi_active_1_cfg,
			[GPIOMUX_SUSPENDED] = &hdmi_suspend_cfg,
		},
	},
	{
		.gpio = 100,
		.settings = {
			[GPIOMUX_ACTIVE]    = &hdmi_active_1_cfg,
			[GPIOMUX_SUSPENDED] = &hdmi_suspend_cfg,
		},
	},
	{
		.gpio = 101,
		.settings = {
			[GPIOMUX_ACTIVE]    = &hdmi_active_1_cfg,
			[GPIOMUX_SUSPENDED] = &hdmi_suspend_cfg,
		},
	},
	{
		.gpio = 102,
		.settings = {
			[GPIOMUX_ACTIVE]    = &hdmi_active_2_cfg,
			[GPIOMUX_SUSPENDED] = &hdmi_suspend_cfg,
		},
	},
};
#endif

int __init msm8930_init_gpiomux(void)
{
	int rc = msm_gpiomux_init(NR_GPIO_IRQS);
	if (rc) {
		pr_err(KERN_ERR "msm_gpiomux_init failed %d\n", rc);
		return rc;
	}

#if defined(CONFIG_KS8851) || defined(CONFIG_KS8851_MODULE)
	msm_gpiomux_install(msm8960_ethernet_configs,
			ARRAY_SIZE(msm8960_ethernet_configs));
#endif

	msm_gpiomux_install(msm8960_gsbi_configs,
			ARRAY_SIZE(msm8960_gsbi_configs));

	msm_gpiomux_install(msm8960_atmel_configs,
			ARRAY_SIZE(msm8960_atmel_configs));

	msm_gpiomux_install(msm8960_slimbus_config,
			ARRAY_SIZE(msm8960_slimbus_config));

	msm_gpiomux_install(msm8960_audio_codec_configs,
			ARRAY_SIZE(msm8960_audio_codec_configs));

	msm_gpiomux_install(msm8960_audio_auxpcm_configs,
			ARRAY_SIZE(msm8960_audio_auxpcm_configs));

	msm_gpiomux_install(wcnss_5wire_interface,
			ARRAY_SIZE(wcnss_5wire_interface));

	if (machine_is_msm8930_mtp() || machine_is_msm8930_fluid() ||
		machine_is_msm8930_cdp())
		msm_gpiomux_install(hap_lvl_shft_config,
			ARRAY_SIZE(hap_lvl_shft_config));

	if (PLATFORM_IS_CHARM25())
		msm_gpiomux_install(mdm_configs,
			ARRAY_SIZE(mdm_configs));

#ifdef CONFIG_USB_EHCI_MSM_HSIC
	if ((SOCINFO_VERSION_MAJOR(socinfo_get_version()) != 1) &&
			!machine_is_msm8930_mtp() &&
			!machine_is_msm8930_fluid())
		msm_gpiomux_install(msm8960_hsic_configs,
			ARRAY_SIZE(msm8960_hsic_configs));
#endif

#ifdef CONFIG_FB_MSM_HDMI_MSM_PANEL
	msm_gpiomux_install(msm8960_hdmi_configs,
			ARRAY_SIZE(msm8960_hdmi_configs));
#endif

	msm_gpiomux_install(msm8960_mdp_vsync_configs,
			ARRAY_SIZE(msm8960_mdp_vsync_configs));
	return 0;
}