Re: [PATCH] dt-bindings: (hwmon/pm6764tr) Add PM6764TR hwmon driver bindings

[Rob Herring <robh@kernel.org>]

On Tue, Dec 29, 2020 at 03:17:23PM +0800, Charles Hsu wrote:
> Document device tree bindings for STMicroelectronics PM6764tr Voltage
> Regulator.

Subject space is valuable and you have 'hwmon', 'pm6764tr', and 
'bindings' twice.

> 
> Signed-off-by: Charles Hsu <hsu.yungteng@gmail.com>
> ---
>  .../bindings/hwmon/pmbus/st,pm6764tr.yaml     | 47 +++++++++++++++++++
>  .../devicetree/bindings/trivial-devices.yaml  |  2 +
>  2 files changed, 49 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/st,pm6764tr.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/st,pm6764tr.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/st,pm6764tr.yaml
> new file mode 100644
> index 000000000000..b4b0d5614d8d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/pmbus/st,pm6764tr.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +
> +$id: http://devicetree.org/schemas/hwmon/pmbus/st,pm6764tr.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: PM6764TR voltage regulator
> +
> +maintainers:
> +  - Charles Hsu <hsu.yungteng@gmail.com>
> +
> +description: |
> +  The PM6764/66 is a high performance digital controller designed to power
> +  Intel’s VR12.5 processors (PM6766) and memories (PM6764): all required
> +  parameters are programmable through a PMBus™ interface.
> +  The device utilizes digital technology to implement all control and
> +  power management functions to provide maximum flexibility and performance.
> +  The NVM is embedded to store custom configurations.
> +
> +  https://www.st.com/resource/en/data_brief/pm6764.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - st,pm6764tr
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        pm6764tr@68 {
> +            compatible = "st,pm6764tr";
> +            reg = <0x68>;
> +        };
> +    };
> diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
> index bdc2dc318178..0a2dcd03220b 100644
> --- a/Documentation/devicetree/bindings/trivial-devices.yaml
> +++ b/Documentation/devicetree/bindings/trivial-devices.yaml
> @@ -260,6 +260,8 @@ properties:
>            - socionext,synquacer-tpm-mmio
>              # i2c serial eeprom  (24cxx)
>            - st,24c256
> +            # STMicroelectronics Voltage Regulator
> +          - st,pm6764tr

It should be either in trivial-devices or its own schema file, not both.

>              # Ambient Light Sensor with SMBUS/Two Wire Serial Interface
>            - taos,tsl2550
>              # Temperature Monitoring and Fan Control
> -- 
> 2.25.1
>