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793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
191 lines
6.0 KiB
Diff
191 lines
6.0 KiB
Diff
From 6e1ccf7cfe1b758963743b88fa1b078b011c77b3 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Fri, 14 Apr 2023 13:57:52 +0100
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Subject: [PATCH] dtoverlays: Add an overlay for the Waveshare DSI
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screens
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They come in varying sizes, but all have the same MCU for
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power control and touch controller.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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arch/arm/boot/dts/overlays/README | 28 ++++
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.../vc4-kms-dsi-waveshare-panel-overlay.dts | 123 ++++++++++++++++++
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3 files changed, 152 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/vc4-kms-dsi-waveshare-panel-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -272,6 +272,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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vc4-kms-dsi-7inch.dtbo \
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vc4-kms-dsi-lt070me05000.dtbo \
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vc4-kms-dsi-lt070me05000-v2.dtbo \
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+ vc4-kms-dsi-waveshare-panel.dtbo \
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vc4-kms-kippah-7inch.dtbo \
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vc4-kms-v3d.dtbo \
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vc4-kms-v3d-pi4.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -4493,6 +4493,34 @@ Load: dtoverlay=vc4-kms-dsi-lt070me050
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Params: <None>
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+Name: vc4-kms-dsi-waveshare-panel
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+Info: Enable a Waveshare DSI touchscreen
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+ Includes the Goodix driver for the touchscreen element.
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+ The default is for the display to be using the I2C0 option for control.
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+ Use the i2c1 override if using the I2C1 wiring with jumper wires from
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+ GPIOs 2&3 (pins 3&5).
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+ invx/invy/swapxy should be used with caution as the panel specifier will
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+ set the default inversions for that panel. Always use them after the
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+ panel specifier, and be aware that you may need to set them as =0, not
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+ just adding it.
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+ Requires vc4-kms-v3d to be loaded.
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+Load: dtoverlay=vc4-kms-dsi-waveshare-panel,<param>=<val>
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+Params: 2_8_inch 2.8" 480x640
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+ 3_4_inch 3.4" 800x800 round
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+ 4_0_inch 4.0" 480x800
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+ 7_0_inchC 7.0" C 1024x600
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+ 7_9_inch 7.9" 400x1280
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+ 8_0_inch 8.0" 1280x800
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+ 10_1_inch 10.1" 1280x800
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+ 11_9_inch 11.9" 320x1480
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+ i2c1 Use i2c-1 with jumper wires from GPIOs 2&3
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+ disable_touch Disable the touch controller
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+ rotation Set the panel orientation property
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+ invx Touchscreen inverted x axis
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+ invy Touchscreen inverted y axis
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+ swapxy Touchscreen swapped x y axis
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+
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+
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Name: vc4-kms-kippah-7inch
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Info: This overlay is now deprecated - see vc4-kms-dpi-panel,kippah-7inch
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Load: <Deprecated>
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/vc4-kms-dsi-waveshare-panel-overlay.dts
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@@ -0,0 +1,123 @@
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+/*
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+ * Device Tree overlay for Waveshare DSI Touchscreens
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+ *
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+ */
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+
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "brcm,bcm2835";
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+
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+ fragment@0 {
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+ target = <&dsi1>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+ port {
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+ dsi_out: endpoint {
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+ remote-endpoint = <&panel_in>;
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+ };
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+ };
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+ };
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+ };
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+
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+ fragment@1 {
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+ target-path = "/";
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+ __overlay__ {
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+ };
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+ };
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+
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+ frag2: fragment@2 {
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+ target = <&i2c_csi_dsi>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ panel: panel_disp1@45 {
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+ reg = <0x45>;
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+ compatible = "waveshare,10.1inch-panel";
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+
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+ port {
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+ panel_in: endpoint {
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+ remote-endpoint = <&dsi_out>;
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+ };
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+ };
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+ };
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+
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+ touch: goodix@14 {
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+ reg = <0x14>;
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+ compatible = "goodix,gt911";
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+ };
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+ };
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+ };
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+
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+ fragment@3 {
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+ target = <&i2c0if>;
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@4 {
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+ target = <&i2c0mux>;
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@5 {
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+ target = <&i2c_arm>;
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+ __dormant__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ __overrides__ {
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+ 2_8_inch = <&panel>, "compatible=waveshare,2.8inch-panel",
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+ <&touch>, "touchscreen-size-x:0=640",
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+ <&touch>, "touchscreen-size-y:0=480",
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+ <&touch>, "touchscreen-inverted-y?",
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+ <&touch>, "touchscreen-swapped-x-y?";
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+ 3_4_inch = <&panel>, "compatible=waveshare,3.4inch-panel",
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+ <&touch>, "touchscreen-size-x:0=800",
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+ <&touch>, "touchscreen-size-y:0=800";
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+ 4_0_inch = <&panel>, "compatible=waveshare,4.0inch-panel",
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+ <&touch>, "touchscreen-size-x:0=800",
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+ <&touch>, "touchscreen-size-y:0=480",
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+ <&touch>, "touchscreen-inverted-x?",
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+ <&touch>, "touchscreen-swapped-x-y?";
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+ 7_0_inchC = <&panel>, "compatible=waveshare,7.0inch-c-panel",
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+ <&touch>, "touchscreen-size-x:0=800",
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+ <&touch>, "touchscreen-size-y:0=480";
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+ 7_9_inch = <&panel>, "compatible=waveshare,7.9inch-panel",
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+ <&touch>, "touchscreen-size-x:0=400",
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+ <&touch>, "touchscreen-size-y:0=1280",
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+ <&touch>, "touchscreen-inverted-x?",
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+ <&touch>, "touchscreen-inverted-y?";
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+ 8_0_inch = <&panel>, "compatible=waveshare,8.0inch-panel",
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+ <&touch>, "touchscreen-size-x:0=800",
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+ <&touch>, "touchscreen-size-y:0=1280",
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+ <&touch>, "touchscreen-inverted-x?",
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+ <&touch>, "touchscreen-swapped-x-y?";
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+ 10_1_inch = <&panel>, "compatible=waveshare,10.1inch-panel",
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+ <&touch>, "touchscreen-size-x:0=800",
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+ <&touch>, "touchscreen-size-y:0=1280",
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+ <&touch>, "touchscreen-inverted-x?",
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+ <&touch>, "touchscreen-swapped-x-y?";
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+ 11_9_inch = <&panel>, "compatible=waveshare,11.9inch-panel",
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+ <&touch>, "touchscreen-size-x:0=320",
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+ <&touch>, "touchscreen-size-y:0=1480",
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+ <&touch>, "touchscreen-inverted-x?",
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+ <&touch>, "touchscreen-swapped-x-y?";
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+ i2c1 = <&frag2>, "target:0=",<&i2c1>,
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+ <0>, "-3-4+5";
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+ disable_touch = <&touch>, "status=disabled";
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+ rotation = <&panel>, "rotation:0";
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+ invx = <&touch>,"touchscreen-inverted-x?";
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+ invy = <&touch>,"touchscreen-inverted-y?";
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+ swapxy = <&touch>,"touchscreen-swapped-x-y?";
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+ };
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+};
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