[PATCH v2 10/10] ARM: dts: at91: sama5d2: Add resistive touch device
From: Eugen Hristev
Date: Tue Mar 27 2018 - 08:35:19 EST
Add generic resistive touch device which is connected to ADC block
inside the SAMA5D2 SoC
Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
---
Changes in v2:
- now added a generic resistive touchscreen node instead of architecture
specific
arch/arm/boot/dts/sama5d2.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index f06ba99..0d87dc0 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 = "generic-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";
+ generic-resistive-adc-touch,pressure-threshold = <10000>;
+ status = "disabled";
+ };
+
pioA: pinctrl@fc038000 {
compatible = "atmel,sama5d2-pinctrl";
reg = <0xfc038000 0x600>;
--
2.7.4