ARM: dts: msm: Add PWM support for MPP LED

MPP connected WLED on MSM8x10 supports PWM to
provide brightness change. Add pwm parameters
such as channel and period to MPP 3 device node.

CRs-Fixed: 496357
Change-Id: I81c8758858e31a7db00e45f42db50d5bd67766c6
Signed-off-by: Chun Zhang <chunz@codeaurora.org>
Signed-off-by: Mohan Pallaka <mpallaka@codeaurora.org>
diff --git a/arch/arm/boot/dts/msm8610-qrd.dtsi b/arch/arm/boot/dts/msm8610-qrd.dtsi
index 5a30d40..bd1705f 100644
--- a/arch/arm/boot/dts/msm8610-qrd.dtsi
+++ b/arch/arm/boot/dts/msm8610-qrd.dtsi
@@ -213,9 +213,13 @@
 				qcom,default-state = "on";
 				qcom,max-current = <40>;
 				qcom,id = <6>;
-				qcom,source-sel = <1>;
+				qcom,source-sel = <8>;
 				qcom,mode-ctrl = <0x10>;
-				qcom,mode = "manual";
+				qcom,pwm-channel = <0>;
+				qcom,pwm-us = <14>;
+				qcom,vin-ctrl = <0x03>;
+				qcom,mode = "pwm";
+				qcom,min-brightness = <19>;
 			};
 		};
 	};