ARM: dts: qcom: msm8974-hammerhead: add support for backlight

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>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

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 fe760a3..b5e13fd 100644 (file)
--- 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";