linux-kernel - [PATCH 07/32] ARM: dts: omap3-gta04: fix touchscreen tsc2007

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Message-Id: <7bb1a5e9d1179d39585a391fb65d396dfc68471a.1532501910.git.hns@goldelico.com>
Date:   Wed, 25 Jul 2018 08:58:39 +0200
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Marek Belisko <marek@...delico.com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, letux-kernel@...nphoenux.org,
        "H. Nikolaus Schaller" <hns@...delico.com>
Subject: [PATCH 07/32] ARM: dts: omap3-gta04: fix touchscreen tsc2007

we fix penirq polarity, add penirq pinmux and touchscreen
properties.

Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
---
 arch/arm/boot/dts/omap3-gta04.dtsi | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index e5c1395182bf..c5549d528437 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -301,6 +301,13 @@
 			OMAP3_CORE1_IOPAD(0x2134, PIN_INPUT_PULLUP | MUX_MODE4) /* gpio112 */
 		>;
 	};
+
+	penirq_pins: pinmux_penirq_pins {
+		pinctrl-single,pins = <
+			/* here we could enable to wakeup the cpu from suspend by a pen touch */
+			OMAP3_CORE1_IOPAD(0x2194, PIN_INPUT_PULLUP | MUX_MODE4) /* gpio160 */
+		>;
+	};
 };
 
 &omap3_pmx_core2 {
@@ -441,10 +448,19 @@
 	tsc2007@48 {
 		compatible = "ti,tsc2007";
 		reg = <0x48>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&penirq_pins>;
 		interrupt-parent = <&gpio6>;
 		interrupts = <0 IRQ_TYPE_EDGE_FALLING>; /* GPIO_160 */
-		gpios = <&gpio6 0 GPIO_ACTIVE_LOW>;
+		gpios = <&gpio6 0 GPIO_ACTIVE_LOW>;	/* GPIO_160 */
 		ti,x-plate-ohms = <600>;
+		touchscreen-size-x = <480>;
+		touchscreen-size-y = <640>;
+		touchscreen-max-pressure = <1000>;
+		touchscreen-fuzz-x = <3>;
+		touchscreen-fuzz-y = <8>;
+		touchscreen-fuzz-pressure = <10>;
+		touchscreen-inverted-y;
 	};
 
 	/* RFID EEPROM */
-- 
2.12.2