Re: [PATCH 1/4] dt-bindings: mfd: Add bindings for Ampere Altra SMPro drivers

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On 2/25/21 2:18 AM, Quan Nguyen wrote:
> Adds device tree bindings for SMPro drivers found on the Mt.Jade hardware
> reference platform with Ampere's Altra Processor family.
> 
> Signed-off-by: Quan Nguyen <quan@xxxxxxxxxxxxxxxxxxxxxx>
> ---
>  .../bindings/hwmon/ampere,ac01-hwmon.yaml     | 27 ++++++
>  .../bindings/mfd/ampere,ac01-smpro.yaml       | 82 +++++++++++++++++++
>  2 files changed, 109 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml
>  create mode 100644 Documentation/devicetree/bindings/mfd/ampere,ac01-smpro.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml b/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml
> new file mode 100644
> index 000000000000..d13862ba646b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml
> @@ -0,0 +1,27 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/ampere,ac01-hwmon.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Hardware monitoring driver for the Ampere Altra SMPro
> +
> +maintainers:
> +  - Quan Nguyen <quan@xxxxxxxxxxxxxxxxxxxxxx>
> +
> +description: |
> +  This module is part of the Ampere Altra SMPro multi-function device. For more
> +  details see ../mfd/ampere,ac01-smpro.yaml.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ampere,ac01-hwmon
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +
> +additionalProperties: false
> diff --git a/Documentation/devicetree/bindings/mfd/ampere,ac01-smpro.yaml b/Documentation/devicetree/bindings/mfd/ampere,ac01-smpro.yaml
> new file mode 100644
> index 000000000000..06b0239413ae
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/ampere,ac01-smpro.yaml
> @@ -0,0 +1,82 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/ampere,ac01-smpro.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ampere Altra SMPro firmware driver
> +
> +maintainers:
> +  - Quan Nguyen <quan@xxxxxxxxxxxxxxxxxxxxxx>
> +
> +description: |
> +  Ampere Altra SMPro firmware may contain different blocks like hardware
> +  monitoring, error monitoring and other miscellaneous features.
> +
> +properties:
> +  compatible:
> +    const: ampere,ac01-smpro

Is that the same as the "ampere,smpro" in
arch/arm/boot/dts/nuvoton-npcm730-kudo.dts ?

Guenter

> +
> +  reg:
> +    description:
> +      I2C device address.
> +    maxItems: 1
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +patternProperties:
> +  "^hwmon(@[0-9a-f]+)?$":
> +    $ref: ../hwmon/ampere,ac01-hwmon.yaml
> +
> +  "^misc(@[0-9a-f]+)?$":
> +    type: object
> +    description: Ampere Altra SMPro Misc driver
> +    properties:
> +      compatible:
> +        const: "ampere,ac01-misc"
> +
> +  "^errmon(@[0-9a-f]+)?$":
> +    type: object
> +    description: Ampere Altra SMPro Error Monitor driver
> +    properties:
> +      compatible:
> +        const: "ampere,ac01-errmon"
> +
> +required:
> +  - "#address-cells"
> +  - "#size-cells"
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        smpro@4f {
> +            compatible = "ampere,ac01-smpro";
> +            reg = <0x4f>;
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +
> +            hwmon {
> +                compatible = "ampere,ac01-hwmon";
> +            };
> +
> +            misc {
> +                compatible = "ampere,ac01-misc";
> +            };
> +
> +            errmon {
> +                compatible = "ampere,ac01-errmon";
> +            };
> +
> +        };
> +    };
> 




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