From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- .../devicetree/bindings/pwm/pwm-tiecap.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-tiecap.txt (limited to 'Documentation/devicetree/bindings/pwm/pwm-tiecap.txt') diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt new file mode 100644 index 000000000..fb81179dc --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt @@ -0,0 +1,29 @@ +TI SOC ECAP based APWM controller + +Required properties: +- compatible: Must be "ti,-ecap". + for am33xx - compatible = "ti,am33xx-ecap"; + for da850 - compatible = "ti,da850-ecap", "ti,am33xx-ecap"; +- #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: +- ti,hwmods: Name of the hwmod associated to the ECAP: + "ecap", being the 0-based instance number from the HW spec + +Example: + +ecap0: ecap@0 { /* ECAP on am33xx */ + compatible = "ti,am33xx-ecap"; + #pwm-cells = <3>; + reg = <0x48300100 0x80>; + ti,hwmods = "ecap0"; +}; + +ecap0: ecap@0 { /* ECAP on da850 */ + compatible = "ti,da850-ecap", "ti,am33xx-ecap"; + #pwm-cells = <3>; + reg = <0x306000 0x80>; +}; -- cgit v1.2.3-54-g00ecf