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From 5439887f65973766007f69f56277bfc7bd50494f Mon Sep 17 00:00:00 2001
From: Valentin Raevsky <valentin@compulab.co.il>
Date: Wed, 25 Feb 2015 20:18:34 +0200
Subject: [PATCH 43/59] ARM: dts: cm-fx6: add tsc2046 touchscreen support
Add tsc2046 touchscreen support.
Signed-off-by: Valentin Raevsky <valentin@compulab.co.il>
---
arch/arm/boot/dts/imx6q-cm-fx6.dtsi | 45 +++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/arch/arm/boot/dts/imx6q-cm-fx6.dtsi b/arch/arm/boot/dts/imx6q-cm-fx6.dtsi
index 5ca8993..704ef4b 100644
--- a/arch/arm/boot/dts/imx6q-cm-fx6.dtsi
+++ b/arch/arm/boot/dts/imx6q-cm-fx6.dtsi
@@ -148,6 +148,13 @@
vin-supply = <®_sata_nstandby1>;
};
+ tsc2046reg: tsc2046-reg {
+ compatible = "regulator-fixed";
+ regulator-name = "tsc2046-reg";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
};
aliases {
@@ -393,6 +400,14 @@
>;
};
+ /* pins for tsc2046 pendown */
+ pinctrl_tsc2046: tsc2046grp {
+ fsl,pins = <
+ /* tsc2046 PENDOWN */
+ MX6QDL_PAD_SD4_DAT7__GPIO2_IO15 0x80000000
+ >;
+ };
+
/* pins for pcie */
pinctrl_pcie: pciegrp {
fsl,pins = <
@@ -471,6 +486,36 @@
reg = <0x100000 0x100000>;
};
};
+
+ /* touch controller */
+ touch: tsc2046@1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_tsc2046>;
+
+ compatible = "ti,tsc2046";
+ vcc-supply = <&tsc2046reg>;
+
+ reg = <1>; /* CS1 */
+ spi-max-frequency = <1500000>;
+
+ interrupt-parent = <&gpio2>;
+ interrupts = <15 0>;
+ pendown-gpio = <&gpio2 15 0>;
+
+ ti,x-min = /bits/ 16 <0x0>;
+ ti,x-max = /bits/ 16 <0x0fff>;
+ ti,y-min = /bits/ 16 <0x0>;
+ ti,y-max = /bits/ 16 <0x0fff>;
+
+ ti,x-plate-ohms = /bits/ 16 <180>;
+ ti,pressure-max = /bits/ 16 <255>;
+
+ ti,debounce-max = /bits/ 16 <30>;
+ ti,debounce-tol = /bits/ 16 <10>;
+ ti,debounce-rep = /bits/ 16 <1>;
+
+ linux,wakeup;
+ };
};
/* eth0 */
--
1.7.9.5
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