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-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-tiecap.txt8
1 files changed, 3 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
index 681afad73778..fb81179dce37 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
@@ -4,11 +4,9 @@ Required properties:
- compatible: Must be "ti,<soc>-ecap".
for am33xx - compatible = "ti,am33xx-ecap";
for da850 - compatible = "ti,da850-ecap", "ti,am33xx-ecap";
-- #pwm-cells: Should be 3. Number of cells being used to specify PWM property.
- First cell specifies the per-chip index of the PWM to use, the second
- cell is the period in nanoseconds and bit 0 in the third cell is used to
- encode the polarity of PWM output. Set bit 0 of the third in PWM specifier
- to 1 for inverse polarity & set to 0 for normal polarity.
+- #pwm-cells: should be 3. See pwm.txt in this directory for a description of
+ the cells format. The PWM channel index ranges from 0 to 4. The only third
+ cell flag supported by this binding is PWM_POLARITY_INVERTED.
- reg: physical base address and size of the registers map.
Optional properties: