From 030b6d48ebfb8d45f397aa13da712210c9803042 Mon Sep 17 00:00:00 2001 From: Brian Masney Date: Fri, 31 May 2019 05:46:17 -0400 Subject: [PATCH] ARM: dts: qcom: msm8974-hammerhead: add support for backlight Add necessary device tree nodes for the main LCD backlight. Signed-off-by: Brian Masney Reviewed-by: Linus Walleij Signed-off-by: Bjorn Andersson --- .../qcom-msm8974-lge-nexus5-hammerhead.dts | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts index fe760a320700..b5e13fd9627f 100644 --- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts +++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts @@ -299,6 +299,16 @@ }; }; + i2c11_pins: i2c11 { + mux { + pins = "gpio83", "gpio84"; + function = "blsp_i2c11"; + + drive-strength = <2>; + bias-disable; + }; + }; + i2c12_pins: i2c12 { mux { pins = "gpio87", "gpio88"; @@ -398,6 +408,30 @@ }; }; + i2c@f9967000 { + status = "ok"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c11_pins>; + clock-frequency = <355000>; + qcom,src-freq = <50000000>; + + led-controller@38 { + compatible = "ti,lm3630a"; + status = "ok"; + reg = <0x38>; + + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0>; + led-sources = <0 1>; + label = "lcd-backlight"; + default-brightness = <200>; + }; + }; + }; + i2c@f9968000 { status = "ok"; pinctrl-names = "default"; -- 2.30.2