From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- .../devicetree/bindings/pwm/atmel-tcb-pwm.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt (limited to 'Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt') diff --git a/Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt b/Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt new file mode 100644 index 00000000..de0eaed8 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt @@ -0,0 +1,18 @@ +Atmel TCB PWM controller + +Required properties: +- compatible: should be "atmel,tcb-pwm" +- #pwm-cells: Should be 3. The 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 cell in PWM specifier to 1 for inverse polarity & + set to 0 for normal polarity. +- tc-block: The Timer Counter block to use as a PWM chip. + +Example: + +pwm { + compatible = "atmel,tcb-pwm"; + #pwm-cells = <3>; + tc-block = <1>; +}; -- cgit v1.3.1