--- zzzz-none-000/linux-3.10.107/Documentation/devicetree/bindings/pwm/pwm.txt	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/Documentation/devicetree/bindings/pwm/pwm.txt	2021-02-04 17:41:59.000000000 +0000
@@ -43,13 +43,14 @@
 pwm-specifier typically encodes the chip-relative PWM number and the PWM
 period in nanoseconds.
 
-Optionally, the pwm-specifier can encode a number of flags in a third cell:
-- bit 0: PWM signal polarity (0: normal polarity, 1: inverse polarity)
+Optionally, the pwm-specifier can encode a number of flags (defined in
+<dt-bindings/pwm/pwm.h>) in a third cell:
+- PWM_POLARITY_INVERTED: invert the PWM signal polarity
 
 Example with optional PWM specifier for inverse polarity
 
 	bl: backlight {
-		pwms = <&pwm 0 5000000 1>;
+		pwms = <&pwm 0 5000000 PWM_POLARITY_INVERTED>;
 		pwm-names = "backlight";
 	};