Add DT binding schema for Advantech embedded controller AHC1EC0. Signed-off-by: Shihlun Lin <shihlun.lin@xxxxxxxxxxxxxxxx> --- .../devicetree/bindings/mfd/ahc1ec0.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/ahc1ec0.yaml diff --git a/Documentation/devicetree/bindings/mfd/ahc1ec0.yaml b/Documentation/devicetree/bindings/mfd/ahc1ec0.yaml new file mode 100644 index 000000000000..a73d1cf65a4c --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/ahc1ec0.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/ahc1ec0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Advantech Embedded Controller (AHC1EC0) + +maintainers: + - Shihlun Lin <shihlun.lin@xxxxxxxxxxxxxxxx> + - Campion Kang <campion.kang@xxxxxxxxxxxxxxxx> + +description: | + AHC1EC0 is one of the embedded controllers used by Advantech to provide several + functions such as watchdog, hwmon, brightness, etc. Advantech related applications + can control the whole system via these functions. + +properties: + compatible: + const: advantech,ahc1ec0 + + advantech,sub-dev-nb: + description: + The number of sub-devices specified in the platform. + $ref: /schemas/types.yaml#/definitions/uint32 + maxItems: 1 + + advantech,sub-dev: + description: + A list of the sub-devices supported in the platform. Defines for the + appropriate values can found in dt-bindings/mfd/ahc1ec0.h. + $ref: "/schemas/types.yaml#/definitions/uint32-array" + minItems: 1 + maxItems: 6 + + advantech,hwmon-profile: + description: + The number of sub-devices specified in the platform. Defines for the + hwmon profiles can found in dt-bindings/mfd/ahc1ec0. + $ref: /schemas/types.yaml#/definitions/uint32 + maxItems: 1 + +required: + - compatible + - advantech,sub-dev-nb + - advantech,sub-dev + +if: + properties: + advantech,sub-dev: + contains: + const: 0x3 +then: + required: + - advantech,hwmon-profile + +additionalProperties: false + +examples: + - | + #include <dt-bindings/mfd/ahc1ec0.h> + ahc1ec0 { + compatible = "advantech,ahc1ec0"; + + advantech,sub-dev-nb = <2>; + advantech,sub-dev = <AHC1EC0_SUBDEV_HWMON + AHC1EC0_SUBDEV_WDT>; + + advantech,hwmon-profile = <AHC1EC0_HWMON_PRO_UNO2271G>; + }; -- 2.17.1
