ARM: dts: mxs: add pwm-backlight for imx23-evk and imx28-evk

Add pwm device and pwm-backlight for imx23-evk and imx28-evk.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 14 insertions, 1 deletions

diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 669c1d02b0aa..0ad7b5673705 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -364,6 +364,16 @@
                                         fsl,voltage = <1>;
                                         fsl,pull-up = <1>;
                                 };
+
+                                pwm2_pins_a: pwm2@0 {
+                                        reg = <0>;
+                                        fsl,pinmux-ids = <
+                                                0x3120 /* MX28_PAD_PWM2__PWM_2 */
+                                        >;
+                                        fsl,drive-strength = <0>;
+                                        fsl,voltage = <1>;
+                                        fsl,pull-up = <0>;
+                                };
                         };
 
                         digctl@8001c000 {
@@ -526,8 +536,11 @@
                                 status = "disabled";
                         };
 
-                        pwm@80064000 {
+                        pwm: pwm@80064000 {
+                                compatible = "fsl,imx28-pwm", "fsl,imx23-pwm";
                                 reg = <0x80064000 2000>;
+                                #pwm-cells = <2>;
+                                fsl,pwm-number = <8>;
                                 status = "disabled";
                         };