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Commit faf6342e authored by Banajit Goswami's avatar Banajit Goswami Committed by Pradnya Chaphekar
Browse files

msm: mdm9630: add gpio configuration for MI2S 



MDM9630 uses MI2S port to connect to Audio codec.
Add gpio configurations in order to support MI2S
function.

Change-Id: I58574efc103befae8a2db085e7bfb8537ca78cdb
Signed-off-by: default avatarBanajit Goswami <bgoswami@codeaurora.org>
parent 30de1ed8

arch/arm/mach-msm/board-9630-gpiomux.c

+70 −0
Original line number Diff line number Diff line
@@ -163,6 +163,72 @@ static struct msm_gpiomux_config msm_wlan_configs[] __initdata = { 
	},

};



static struct gpiomux_setting  mi2s_active_cfg = {

	.func = GPIOMUX_FUNC_1,

	.drv = GPIOMUX_DRV_8MA,

	.pull = GPIOMUX_PULL_NONE,

};



static struct gpiomux_setting  mi2s_suspend_cfg = {

	.func = GPIOMUX_FUNC_GPIO,

	.drv = GPIOMUX_DRV_2MA,

	.pull = GPIOMUX_PULL_DOWN,

};



static struct gpiomux_setting codec_reset = {

	.func = GPIOMUX_FUNC_GPIO,

	.drv = GPIOMUX_DRV_6MA,

	.pull = GPIOMUX_PULL_NONE,

	.dir = GPIOMUX_OUT_LOW,

};



static struct msm_gpiomux_config mdm9630_mi2s_configs[] __initdata = {

	{

		.gpio   = 12,		/* mi2s ws */

		.settings = {

			[GPIOMUX_SUSPENDED] = &mi2s_suspend_cfg,

			[GPIOMUX_ACTIVE] = &mi2s_active_cfg,

		},

	},

	{

		.gpio   = 15,		/* mi2s sclk */

		.settings = {

			[GPIOMUX_SUSPENDED] = &mi2s_suspend_cfg,

			[GPIOMUX_ACTIVE] = &mi2s_active_cfg,

		},

	},

	{

		.gpio   = 14,		/* mi2s dout */

		.settings = {

			[GPIOMUX_SUSPENDED] = &mi2s_suspend_cfg,

			[GPIOMUX_ACTIVE] = &mi2s_active_cfg,

		},

	},

	{

		.gpio   = 13,		/* mi2s din */

		.settings = {

			[GPIOMUX_SUSPENDED] = &mi2s_suspend_cfg,

			[GPIOMUX_ACTIVE] = &mi2s_active_cfg,

		},

	},

	{

		.gpio   = 71,		/* mi2s mclk */

		.settings = {

			[GPIOMUX_SUSPENDED] = &mi2s_suspend_cfg,

			[GPIOMUX_ACTIVE] = &mi2s_active_cfg,

		},

	},

};



static struct msm_gpiomux_config mdm9630_cdc_reset_config[] __initdata = {

	{

		.gpio   = 67,		/* SYS_RST_N */

		.settings = {

			[GPIOMUX_SUSPENDED] = &codec_reset,

		},

	}

};



void __init mdm9630_init_gpiomux(void)

{

	int rc;
@@ -176,6 +242,10 @@ void __init mdm9630_init_gpiomux(void) 
	msm_gpiomux_install(msm_blsp_configs, ARRAY_SIZE(msm_blsp_configs));

	msm_gpiomux_install(msm_sd_card_configs,

			ARRAY_SIZE(msm_sd_card_configs));

	msm_gpiomux_install(mdm9630_mi2s_configs,

			ARRAY_SIZE(mdm9630_mi2s_configs));

	msm_gpiomux_install(mdm9630_cdc_reset_config,

			ARRAY_SIZE(mdm9630_cdc_reset_config));

#if defined(CONFIG_KS8851) || defined(CONFIG_KS8851_MODULE)

	msm_gpiomux_install(msm_eth_config, ARRAY_SIZE(msm_eth_config));

#endif