2012-11-27 16:48:13 +08:00
|
|
|
TI SOC EHRPWM based PWM controller
|
|
|
|
|
|
|
|
Required properties:
|
2013-03-25 15:04:53 +08:00
|
|
|
- compatible: Must be "ti,<soc>-ehrpwm".
|
|
|
|
for am33xx - compatible = "ti,am33xx-ehrpwm";
|
|
|
|
for da850 - compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm";
|
2013-07-18 06:54:23 +08:00
|
|
|
- #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.
|
2012-11-27 16:48:13 +08:00
|
|
|
- reg: physical base address and size of the registers map.
|
|
|
|
|
|
|
|
Optional properties:
|
|
|
|
- ti,hwmods: Name of the hwmod associated to the EHRPWM:
|
|
|
|
"ehrpwm<x>", <x> being the 0-based instance number from the HW spec
|
|
|
|
|
|
|
|
Example:
|
|
|
|
|
2013-03-25 15:04:53 +08:00
|
|
|
ehrpwm0: ehrpwm@0 { /* EHRPWM on am33xx */
|
2012-11-27 16:48:13 +08:00
|
|
|
compatible = "ti,am33xx-ehrpwm";
|
|
|
|
#pwm-cells = <3>;
|
|
|
|
reg = <0x48300200 0x100>;
|
|
|
|
ti,hwmods = "ehrpwm0";
|
|
|
|
};
|
2013-03-25 15:04:53 +08:00
|
|
|
|
|
|
|
ehrpwm0: ehrpwm@0 { /* EHRPWM on da850 */
|
|
|
|
compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm";
|
|
|
|
#pwm-cells = <3>;
|
|
|
|
reg = <0x300000 0x2000>;
|
|
|
|
};
|