diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt index 4fc7079d822..9c100b2c5b2 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt @@ -1,12 +1,12 @@ TI SOC EHRPWM based PWM controller Required properties: -- compatible : Must be "ti,am33xx-ehrpwm" -- #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. +- compatible: Must be "ti,<soc>-ehrpwm". + for am33xx - compatible = "ti,am33xx-ehrpwm"; + for da850 - compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm"; +- #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. - reg: physical base address and size of the registers map. Optional properties: @@ -15,9 +15,15 @@ Optional properties: Example: -ehrpwm0: ehrpwm@0 { +ehrpwm0: ehrpwm@0 { /* EHRPWM on am33xx */ compatible = "ti,am33xx-ehrpwm"; #pwm-cells = <3>; reg = <0x48300200 0x100>; ti,hwmods = "ehrpwm0"; }; + +ehrpwm0: ehrpwm@0 { /* EHRPWM on da850 */ + compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x300000 0x2000>; +}; |