aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/pwm/pwm.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/pwm/pwm.txt')
-rw-r--r--Documentation/devicetree/bindings/pwm/pwm.txt7
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm.txt b/Documentation/devicetree/bindings/pwm/pwm.txt
index 06e6724..8556263 100644
--- a/Documentation/devicetree/bindings/pwm/pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm.txt
@@ -43,13 +43,14 @@ because the name "backlight" would be used as fallback anyway.
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";
};

Privacy Policy