Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6569f5ef authored by Chun Zhang's avatar Chun Zhang
Browse files

ARM: mach-msm: Configure touch screen i2c mode for 8974 liquid 



I2C mode is only available on 8974 liquid with Atmel 1664S touch
controller. This support introduces a software based pull-up
for touch controller I2C bus.

Change-Id: Id3a66643577838fc506050bcbb271d1df282c16e
Signed-off-by: default avatarChun Zhang <chunz@codeaurora.org>
parent e6edf782

arch/arm/mach-msm/board-8974-gpiomux.c

+8 −2
Original line number Diff line number Diff line
@@ -305,14 +305,17 @@ static struct msm_gpiomux_config hap_lvl_shft_config[] __initdata = { 
	},

};



static struct msm_gpiomux_config msm_touch_configs[] __initdata = {

static struct msm_gpiomux_config msm_touch_i2cmode_configs[] __initdata = {

	{

		.gpio      = 59,		/* TOUCH I2C Mode */

		.gpio      = 57,		/* TOUCH I2C Mode */

		.settings = {

			[GPIOMUX_ACTIVE] = &atmel_i2cmode_act_cfg,

			[GPIOMUX_SUSPENDED] = &atmel_i2cmode_sus_cfg,

		},

	},

};



static struct msm_gpiomux_config msm_touch_configs[] __initdata = {

	{

		.gpio      = 60,		/* TOUCH RESET */

		.settings = {
@@ -1382,6 +1385,9 @@ void __init msm_8974_init_gpiomux(void) 
			ARRAY_SIZE(msm8974_slimbus_config));



	msm_gpiomux_install(msm_touch_configs, ARRAY_SIZE(msm_touch_configs));

	if (of_board_is_liquid())

		msm_gpiomux_install(msm_touch_i2cmode_configs,

					ARRAY_SIZE(msm_touch_i2cmode_configs));

		msm_gpiomux_install(hap_lvl_shft_config,

				ARRAY_SIZE(hap_lvl_shft_config));