Add necessary device tree nodes for the main LCD backlight.
Signed-off-by: Brian Masney masneyb@onstation.org Reviewed-by: Linus Walleij linus.walleij@linaro.org --- This requires this series that should be merged soon: https://lore.kernel.org/lkml/20190424092505.6578-1-masneyb@onstation.org/ The device tree bindings have been reviewed. The driver changes have received 3 {Reviewed,Acked}-bys.
Changes since v1: - None
.../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 b3b04736a159..b7cf4b1019e9 100644 --- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts +++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts @@ -289,6 +289,16 @@ }; };
+ i2c11_pins: i2c11 { + mux { + pins = "gpio83", "gpio84"; + function = "blsp_i2c11"; + + drive-strength = <2>; + bias-disable; + }; + }; + i2c12_pins: i2c12 { mux { pins = "gpio87", "gpio88"; @@ -369,6 +379,30 @@ }; };
+ 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";