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