From: Hans de Goede <hdegoede@redhat.com>
Date: Sun, 11 Sep 2016 18:23:25 +0000 (+0200)
Subject: ARM: dts: sun8i: Add touchscreen node for sun8i-a23-polaroid-mid2407pxe03
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=072c3d7e007d51405729e9fc4aeb8fe46687ba86;p=linux-beck.git

ARM: dts: sun8i: Add touchscreen node for sun8i-a23-polaroid-mid2407pxe03

Add a node enabling the gsl1680 touchscreen controller found on
sun8i-a23-polaroid-mid2407pxe03 tablets.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
---

diff --git a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts
index 4789aac89955..6662127c688f 100644
--- a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts
+++ b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2407pxe03.dts
@@ -90,3 +90,22 @@
 		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 	};
 };
+
+&reg_ldo_io1 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-touchscreen";
+	status = "okay";
+};
+
+&touchscreen {
+	reg = <0x40>;
+	compatible = "silead,gsl1680";
+	firmware-name = "gsl1680-polaroid-mid2407pxe03.fw";
+	touchscreen-size-x = <960>;
+	touchscreen-size-y = <640>;
+	touchscreen-inverted-x;
+	touchscreen-inverted-y;
+	vddio-supply = <&reg_ldo_io1>;
+	status = "okay";
+};