From: Eugen Hristev <eugen.hristev@microchip.com>
Date: Mon, 27 Aug 2018 13:57:13 +0000 (+0300)
Subject: ARM: dts: at91: sama5d2: Add resistive touch device
X-Git-Tag: v4.20-rc1~66^2~45^2~16
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=cfb3cff763dfefee3b3ed0cafde46415bf9be119;p=users%2Fjedix%2Flinux-maple.git

ARM: dts: at91: sama5d2: Add resistive touch device

Add generic resistive touch device which is connected to ADC block
inside the SAMA5D2 SoC

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---

diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index f06ba9950d90..a44f3250c59c 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -1442,6 +1442,16 @@
 				status = "disabled";
 			};
 
+			resistive_touch: resistive-touch {
+				compatible = "resistive-adc-touch";
+				io-channels = <&adc AT91_SAMA5D2_ADC_X_CHANNEL>,
+					      <&adc AT91_SAMA5D2_ADC_Y_CHANNEL>,
+					      <&adc AT91_SAMA5D2_ADC_P_CHANNEL>;
+				io-channel-names = "x", "y", "pressure";
+				touchscreen-min-pressure = <50000>;
+				status = "disabled";
+			};
+
 			pioA: pinctrl@fc038000 {
 				compatible = "atmel,sama5d2-pinctrl";
 				reg = <0xfc038000 0x600>;