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Message-ID: <1525949114-29263-10-git-send-email-eugen.hristev@microchip.com>
Date: Thu, 10 May 2018 13:45:14 +0300
From: Eugen Hristev <eugen.hristev@...rochip.com>
To: <jic23@...nel.org>, <ludovic.desroches@...rochip.com>,
<alexandre.belloni@...tlin.com>,
<linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-iio@...r.kernel.org>, <linux-input@...r.kernel.org>,
<nicolas.ferre@...rochip.com>, <dmitry.torokhov@...il.com>,
<robh@...nel.org>
CC: Eugen Hristev <eugen.hristev@...rochip.com>
Subject: [PATCH v5 9/9] 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@...rochip.com>
---
Changes in v5:
- renamed touchscreen-threshold-pressure to touchscreen-min-pressure
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..a44f325 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@...38000 {
compatible = "atmel,sama5d2-pinctrl";
reg = <0xfc038000 0x600>;
--
2.7.4
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