Merge pull request #17 from OnionIoT/Issue-51-enable-pwm

[Issue-51]: enable pwm from device tree

build.sh

@@ -54,7 +54,7 @@ apply_patches() {
 
 	cd "$OPENWRT_DIR"
 
-	for file in $(find $PATCH_DIR -type f -name '*.patch'); do
+	for file in $(ls -1 $PATCH_DIR/*.patch); do
 		echo "Applying patch: $file"
 		if patch -p1 -f --dry-run < $file; then
 			patch -p1 -f < $file || return 1

onion/patches/003-enable-pwm.patch

@@ -0,0 +1,22 @@
+--- a/target/linux/ramips/dts/mt7628an.dtsi
++++ b/target/linux/ramips/dts/mt7628an.dtsi
+@@ -221,9 +221,6 @@
+ 			resets = <&rstctrl 31>;
+ 			reset-names = "pwm";
+
+-			pinctrl-names = "default";
+-			pinctrl-0 = <&pwm0_pins>, <&pwm1_pins>;
+-
+ 			status = "disabled";
+ 		};
+
+--- a/target/linux/ramips/dts/mt7628an_onion_omega2.dtsi
++++ b/target/linux/ramips/dts/mt7628an_onion_omega2.dtsi
+@@ -176,3 +176,7 @@
+ 		reg = <0x28 0x6>;
+ 	};
+ };
++
++&pwm {
++	status = "okay";
++};