diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pwm/vt8500-pwm.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/vt8500-pwm.txt | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt b/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt index d21d82d29855..a76390e6df2e 100644 --- a/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt @@ -3,11 +3,9 @@ VIA/Wondermedia VT8500/WM8xxx series SoC PWM controller Required properties: - compatible: should be "via,vt8500-pwm" - reg: physical base address and length of the controller's registers -- #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 only third cell flag supported by this binding is + PWM_POLARITY_INVERTED. - clocks: phandle to the PWM source clock Example: |