From: Florin Leotescu <florin.leotescu@nxp.com>
Introduce yaml schema for Microchip emc2305 pwm fan controller.
Signed-off-by: Florin Leotescu <florin.leotescu@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
.../bindings/hwmon/microchip,emc2305.yaml | 110 ++++++++++++++++++
1 file changed, 110 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
diff --git a/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
new file mode 100644
index 000000000000..79081c116274
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
@@ -0,0 +1,110 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/microchip,emc2305.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip EMC2305 SMBus compliant PWM fan controller
+
+maintainers:
+ - Michael Shych <michaelsh@nvidia.com>
+
+description:
+ Microchip EMC2301/2/3/5 pwm controller which supports
+ up to five programmable fan control circuits.
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - microchip,emc2305
+ - items:
+ - enum:
+ - microchip,emc2303
+ - microchip,emc2302
+ - microchip,emc2301
+ - const: microchip,emc2305
+
+ reg:
+ maxItems: 1
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ '#pwm-cells':
+ const: 3
+ description: |
+ Number of cells in a PWM specifier.
+ - cell 0: The PWM frequency
+ - cell 1: The PWM polarity: 0 or PWM_POLARITY_INVERTED
+ - cell 2: The PWM output config:
+ - 0 (Open-Drain)
+ - 1 (Push-Pull)
+
+patternProperties:
+ '^fan@[0-4]$':
+ $ref: fan-common.yaml#
+ unevaluatedProperties: false
+ properties:
+ reg:
+ description:
+ The fan number used to determine the associated PWM channel.
+
+ required:
+ - reg
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/pwm/pwm.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ fan_controller: fan-controller@2f {
+ compatible = "microchip,emc2305";
+ reg = <0x2f>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #pwm-cells = <3>;
+
+ fan@0 {
+ reg = <0x0>;
+ pwms = <&fan_controller 26000 PWM_POLARITY_INVERTED 1>;
+ #cooling-cells = <2>;
+ };
+
+ fan@1 {
+ reg = <0x1>;
+ pwms = <&fan_controller 26000 0 1>;
+ #cooling-cells = <2>;
+ };
+
+ fan@2 {
+ reg = <0x2>;
+ pwms = <&fan_controller 26000 0 1>;
+ #cooling-cells = <2>;
+ };
+
+ fan@3 {
+ reg = <0x3>;
+ pwms = <&fan_controller 26000 0 1>;
+ #cooling-cells = <2>;
+ };
+
+ fan@4 {
+ reg = <0x4>;
+ pwms = <&fan_controller 26000 0 1>;
+ #cooling-cells = <2>;
+ };
+ };
+ };
+...
--
2.34.1On Fri, Mar 21, 2025 at 04:33:06PM +0200, florin.leotescu@oss.nxp.com wrote: > From: Florin Leotescu <florin.leotescu@nxp.com> > > Introduce yaml schema for Microchip emc2305 pwm fan controller. > > Signed-off-by: Florin Leotescu <florin.leotescu@nxp.com> > Reviewed-by: Frank Li <Frank.Li@nxp.com> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Applied, after making the changes requested by Rob. Thanks, Guenter
On Fri, Mar 21, 2025 at 04:33:06PM +0200, florin.leotescu@oss.nxp.com wrote:
> From: Florin Leotescu <florin.leotescu@nxp.com>
>
> Introduce yaml schema for Microchip emc2305 pwm fan controller.
>
> Signed-off-by: Florin Leotescu <florin.leotescu@nxp.com>
> Reviewed-by: Frank Li <Frank.Li@nxp.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
> .../bindings/hwmon/microchip,emc2305.yaml | 110 ++++++++++++++++++
> 1 file changed, 110 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
>
> diff --git a/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
> new file mode 100644
> index 000000000000..79081c116274
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
> @@ -0,0 +1,110 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/microchip,emc2305.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip EMC2305 SMBus compliant PWM fan controller
> +
> +maintainers:
> + - Michael Shych <michaelsh@nvidia.com>
> +
> +description:
> + Microchip EMC2301/2/3/5 pwm controller which supports
> + up to five programmable fan control circuits.
Fix wrapping to wrap at 80.
> +
> +properties:
> + compatible:
> + oneOf:
> + - enum:
> + - microchip,emc2305
> + - items:
> + - enum:
> + - microchip,emc2303
> + - microchip,emc2302
> + - microchip,emc2301
> + - const: microchip,emc2305
> +
> + reg:
> + maxItems: 1
> +
> + '#address-cells':
> + const: 1
> +
> + '#size-cells':
> + const: 0
> +
> + '#pwm-cells':
> + const: 3
> + description: |
> + Number of cells in a PWM specifier.
> + - cell 0: The PWM frequency
> + - cell 1: The PWM polarity: 0 or PWM_POLARITY_INVERTED
> + - cell 2: The PWM output config:
> + - 0 (Open-Drain)
> + - 1 (Push-Pull)
> +
> +patternProperties:
> + '^fan@[0-4]$':
> + $ref: fan-common.yaml#
> + unevaluatedProperties: false
> + properties:
> + reg:
> + description:
> + The fan number used to determine the associated PWM channel.
maxItems: 1
With that,
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
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