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Message-Id: <20210120142217.29652-5-o.rempel@pengutronix.de>
Date: Wed, 20 Jan 2021 15:22:14 +0100
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Mark Rutland <mark.rutland@....com>,
Rob Herring <robh+dt@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Shawn Guo <shawnguo@...nel.org>,
Thierry Reding <thierry.reding@...il.com>,
Sam Ravnborg <sam@...nborg.org>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
Robin van der Gracht <robin@...tonic.nl>,
devicetree@...r.kernel.org, Fabio Estevam <festevam@...il.com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
NXP Linux Team <linux-imx@....com>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
David Jander <david@...tonic.nl>,
dri-devel@...ts.freedesktop.org
Subject: [PATCH v1 4/7] ARM: dts: imx6dl-prtvt7: add TSC2046 touchscreen node
Add touchscreen support to the Protonic VT7 board.
Co-Developed-by: Robin van der Gracht <robin@...tonic.nl>
Signed-off-by: Robin van der Gracht <robin@...tonic.nl>
Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
arch/arm/boot/dts/imx6dl-prtvt7.dts | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm/boot/dts/imx6dl-prtvt7.dts b/arch/arm/boot/dts/imx6dl-prtvt7.dts
index d9cb1e41cc10..63ae2065834c 100644
--- a/arch/arm/boot/dts/imx6dl-prtvt7.dts
+++ b/arch/arm/boot/dts/imx6dl-prtvt7.dts
@@ -266,6 +266,26 @@ &ecspi2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi2>;
status = "okay";
+
+ touchscreen@0 {
+ compatible = "ti,tsc2046";
+ reg = <0>;
+ pinctrl-0 = <&pinctrl_tsc>;
+ pinctrl-names ="default";
+ spi-max-frequency = <100000>;
+ interrupts-extended = <&gpio3 20 IRQ_TYPE_EDGE_FALLING>;
+ pendown-gpio = <&gpio3 20 GPIO_ACTIVE_LOW>;
+
+ touchscreen-inverted-x;
+ touchscreen-inverted-y;
+ touchscreen-max-pressure = <4095>;
+
+ ti,vref-delay-usecs = /bits/ 16 <100>;
+ ti,x-plate-ohms = /bits/ 16 <800>;
+ ti,y-plate-ohms = /bits/ 16 <300>;
+
+ wakeup-source;
+ };
};
&i2c1 {
--
2.30.0
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