Messages in this thread Patch in this message | | | From | Rahul Tanwar <> | Subject | [PATCH v2 1/2] Add DT bindings YAML schema for PWM fan controller of LGM SoC | Date | Thu, 18 Jun 2020 20:05:12 +0800 |
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Intel's LGM(Lightning Mountain) SoC contains a PWM fan controller which is only used to control the fan attached to the system. This PWM controller does not have any other consumer other than fan. Add DT bindings documentation for this PWM fan controller.
Signed-off-by: Rahul Tanwar <rahul.tanwar@linux.intel.com> --- .../devicetree/bindings/pwm/intel,lgm-pwm.yaml | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml
diff --git a/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml b/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml new file mode 100644 index 000000000000..e71cc25e4e6a --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/intel,lgm-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LGM SoC PWM fan controller + +maintainers: + - Rahul Tanwar <rahul.tanwar@intel.com> + +properties: + compatible: + const: intel,lgm-pwm + + reg: + maxItems: 1 + + "#pwm-cells": + const: 2 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + intel,fan-wire: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: Specifies fan mode + + intel,tach-plus: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: Specifies fan tach pulse periods + + intel,max-rpm: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: Specifies maximum RPM of fan attached to the system + +required: + - compatible + - reg + - "#pwm-cells" + - clocks + - resets + +additionalProperties: false + +examples: + - | + pwm: pwm@e0d00000 { + compatible = "intel,lgm-pwm"; + reg = <0xe0d00000 0x30>; + #pwm-cells = <2>; + clocks = <&cgu0 126>; + resets = <&rcu0 0x30 21>; + }; -- 2.11.0
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