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49 lines
1.9 KiB
Diff
49 lines
1.9 KiB
Diff
From 395a0f593f6874fd3682d64b4ce6540467dc07c0 Mon Sep 17 00:00:00 2001
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From: Aaron Shaw <shawaj@gmail.com>
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Date: Thu, 28 Dec 2017 17:31:52 +0000
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Subject: [PATCH 161/277] add backlight control to rpi-display overlay
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---
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arch/arm/boot/dts/overlays/README | 1 +
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arch/arm/boot/dts/overlays/rpi-display-overlay.dts | 14 ++++++++------
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2 files changed, 9 insertions(+), 6 deletions(-)
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diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
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index 6e43bbdd4ef2..e0f29ec6627a 100644
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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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@@ -1329,6 +1329,7 @@ Params: speed Display SPI bus speed
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debug Debug output level {0-7}
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xohms Touchpanel sensitivity (X-plate resistance)
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swapxy Swap x and y axis
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+ backlight Change backlight GPIO pin {e.g. 12, 18}
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Name: rpi-ft5406
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diff --git a/arch/arm/boot/dts/overlays/rpi-display-overlay.dts b/arch/arm/boot/dts/overlays/rpi-display-overlay.dts
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index d7e72eef594e..533b5c140b54 100644
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--- a/arch/arm/boot/dts/overlays/rpi-display-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/rpi-display-overlay.dts
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@@ -79,11 +79,13 @@
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};
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};
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__overrides__ {
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- speed = <&rpidisplay>,"spi-max-frequency:0";
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- rotate = <&rpidisplay>,"rotate:0";
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- fps = <&rpidisplay>,"fps:0";
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- debug = <&rpidisplay>,"debug:0";
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- xohms = <&rpidisplay_ts>,"ti,x-plate-ohms;0";
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- swapxy = <&rpidisplay_ts>,"ti,swap-xy?";
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+ speed = <&rpidisplay>,"spi-max-frequency:0";
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+ rotate = <&rpidisplay>,"rotate:0";
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+ fps = <&rpidisplay>,"fps:0";
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+ debug = <&rpidisplay>,"debug:0";
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+ xohms = <&rpidisplay_ts>,"ti,x-plate-ohms;0";
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+ swapxy = <&rpidisplay_ts>,"ti,swap-xy?";
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+ backlight = <&rpidisplay>,"led-gpios:4",
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+ <&rpi_display_pins>,"brcm,pins:0";
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};
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};
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--
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2.16.1
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