tegra: colibri_t30: colibri_t20: capacitive touch adapter supportColibri-T30_LXDE-Image_2.8b1.64-20171229Colibri-T20_LXDE-Image_2.8b1.64-20171229Apalis-T30_LXDE-Image_2.8b1.64-20171229

Adds compile time option to enable support for
Toradex Capacitive Touch Adapter.

Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>

5 files changed, 26 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-colibri_t20-pinmux.c b/arch/arm/mach-tegra/board-colibri_t20-pinmux.c
index d6c8bb9872a2..4739f1ede095 100644
--- a/arch/arm/mach-tegra/board-colibri_t20-pinmux.c
+++ b/arch/arm/mach-tegra/board-colibri_t20-pinmux.c
@@ -382,8 +382,13 @@ int __init colibri_t20_pinmux_init(void)
 	gpio_request(TEGRA_GPIO_PT6, "GMI_WR_N on 93 RDnWR");
 	gpio_direction_output(TEGRA_GPIO_PT6, 0);
 
+#ifdef USE_CAPACITIVE_TOUCH_ADAPTER
+	gpio_request(TEGRA_GPIO_PA6, "Capacitive Touch Reset");
+	gpio_direction_output(TEGRA_GPIO_PA6, 1);
+#else
 	gpio_request(TEGRA_GPIO_PK4, "Capacitive Touch Reset");
 	gpio_direction_output(TEGRA_GPIO_PK4, 1);
+#endif
 
 	return 0;
 }
diff --git a/arch/arm/mach-tegra/board-colibri_t20.c b/arch/arm/mach-tegra/board-colibri_t20.c
index d55867883ada..71892627b587 100644
--- a/arch/arm/mach-tegra/board-colibri_t20.c
+++ b/arch/arm/mach-tegra/board-colibri_t20.c
@@ -666,7 +666,11 @@ static struct i2c_board_info colibri_t20_i2c_bus1_board_info[] __initdata = {
 		/* Atmel MAX TS 7 multi-touch controller */
 		I2C_BOARD_INFO("atmel_mxt_ts", 0x4a),
 		.platform_data = &colibri_atmel_pdata,
+#ifdef USE_CAPACITIVE_TOUCH_ADAPTER
+		.irq = TEGRA_GPIO_TO_IRQ( TEGRA_GPIO_PB5 ),
+#else
 		.irq = TEGRA_GPIO_TO_IRQ( TEGRA_GPIO_PK3 ),
+#endif
 	},
 };
 
diff --git a/arch/arm/mach-tegra/board-colibri_t20.h b/arch/arm/mach-tegra/board-colibri_t20.h
index 020670d424fd..8240940e79d2 100644
--- a/arch/arm/mach-tegra/board-colibri_t20.h
+++ b/arch/arm/mach-tegra/board-colibri_t20.h
@@ -80,6 +80,10 @@
 #define TPS6586X_INT_BASE	TEGRA_NR_IRQS
 #define TPS6586X_INT_END	(TPS6586X_INT_BASE + 32)
 
+/* Uncoment line bellow to enable support for
+ * Capacitive Touch Adapter */
+//#define USE_CAPACITIVE_TOUCH_ADAPTER
+
 int colibri_t20_emc_init(void);
 int colibri_t20_panel_init(void);
 int colibri_t20_pinmux_init(void);
diff --git a/arch/arm/mach-tegra/board-colibri_t30.c b/arch/arm/mach-tegra/board-colibri_t30.c
index 6014b62e62a8..8c77150c16c2 100644
--- a/arch/arm/mach-tegra/board-colibri_t30.c
+++ b/arch/arm/mach-tegra/board-colibri_t30.c
@@ -640,7 +640,11 @@ static struct i2c_board_info colibri_t30_i2c_bus1_board_info[] __initdata = {
 		/* Atmel MAX TS 7 multi-touch controller */
 		I2C_BOARD_INFO("atmel_mxt_ts", 0x4a),
 			.platform_data = &colibri_atmel_pdata,
+#ifdef USE_CAPACITIVE_TOUCH_ADAPTER
+			.irq = TEGRA_GPIO_TO_IRQ( TEGRA_GPIO_PB5 ),
+#else
 			.irq = TEGRA_GPIO_TO_IRQ( TEGRA_GPIO_PR4 ),
+#endif
 	},
 };
 
@@ -1791,8 +1795,13 @@ static void __init colibri_t30_init(void)
 	gpio_direction_output(EN_MIC_GND, 1);
 
 	/* Release touch controller reset  */
+#ifdef USE_CAPACITIVE_TOUCH_ADAPTER
+	gpio_request(TEGRA_GPIO_PA6, "Capacitive Touch Reset");
+	gpio_direction_output(TEGRA_GPIO_PA6, 1);
+#else
 	gpio_request(TEGRA_GPIO_PR7, "Capacitive Touch Reset");
 	gpio_direction_output(TEGRA_GPIO_PR7, 1);
+#endif
 
 	tegra_soc_device_init("Colibri T30");
 }
diff --git a/arch/arm/mach-tegra/board-colibri_t30.h b/arch/arm/mach-tegra/board-colibri_t30.h
index 94179b4938b1..afb96a6aa0b1 100644
--- a/arch/arm/mach-tegra/board-colibri_t30.h
+++ b/arch/arm/mach-tegra/board-colibri_t30.h
@@ -102,6 +102,10 @@
 #define TPS6591X_IRQ_BASE	STMPE811_IRQ_END
 #define TPS6591X_IRQ_END	(TPS6591X_IRQ_BASE + 18)
 
+/* Uncoment line bellow to enable support for
+ * Capacitive Touch Adapter */
+//#define USE_CAPACITIVE_TOUCH_ADAPTER
+
 int colibri_t30_regulator_init(void);
 int colibri_t30_suspend_init(void);
 int colibri_t30_pinmux_init(void);