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https://github.com/Ysurac/openmptcprouter.git
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58 lines
1.8 KiB
Diff
58 lines
1.8 KiB
Diff
From 9d465e0fae96749024f3ea542a63a9fe3db9fe6c Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Wed, 30 Aug 2023 18:03:37 +0100
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Subject: [PATCH] dtoverlays: Add drm option to piscreen overlay
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Adds the option of selecting the DRM/KMS TinyDRM driver for
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this panel, rather than the deprecated FBTFT one.
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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/README | 3 +++
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arch/arm/boot/dts/overlays/piscreen-overlay.dts | 10 +++++++---
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2 files changed, 10 insertions(+), 3 deletions(-)
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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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@@ -3245,6 +3245,9 @@ Params: speed Display
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xohms Touchpanel sensitivity (X-plate resistance)
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+ drm Select the DRM/KMS driver instead of the FBTFT
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+ one
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+
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Name: piscreen2r
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Info: PiScreen 2 with resistive TP display by OzzMaker.com
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--- a/arch/arm/boot/dts/overlays/piscreen-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/piscreen-overlay.dts
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@@ -6,6 +6,8 @@
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/dts-v1/;
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/plugin/;
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+#include <dt-bindings/gpio/gpio.h>
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+
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/ {
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compatible = "brcm,bcm2835";
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@@ -59,9 +61,9 @@
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fps = <30>;
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buswidth = <8>;
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regwidth = <16>;
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- reset-gpios = <&gpio 25 1>;
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- dc-gpios = <&gpio 24 0>;
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- led-gpios = <&gpio 22 0>;
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+ reset-gpios = <&gpio 25 GPIO_ACTIVE_LOW>;
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+ dc-gpios = <&gpio 24 GPIO_ACTIVE_HIGH>;
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+ led-gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
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debug = <0>;
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init = <0x10000b0 0x00
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@@ -98,5 +100,7 @@
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fps = <&piscreen>,"fps:0";
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debug = <&piscreen>,"debug:0";
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xohms = <&piscreen_ts>,"ti,x-plate-ohms;0";
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+ drm = <&piscreen>,"compatible=waveshare,rpi-lcd-35",
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+ <&piscreen>,"reset-gpios:8=",<GPIO_ACTIVE_HIGH>;
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};
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};
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