Re: [PATCH v2 1/5] dt-bindings: platform: microsoft: Document surface xbl

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On Mon, Nov 08, 2021 at 08:44:45AM -0800, Jarrett Schultz wrote:
> Introduce yaml for surface xbl driver.
> 
> Signed-off-by: Jarrett Schultz <jaschultz@xxxxxxxxxxxxx>

Author and Sob emails need to match.

> 
> ---
> 
> Changes in v2:
>  - Removed json-schema dependence
>  - Elaborated on description of driver
>  - Updated example
> 
> ---
> 
>  .../platform/microsoft/surface-xbl.yaml       | 57 +++++++++++++++++++
>  MAINTAINERS                                   |  7 +++
>  2 files changed, 64 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml b/Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml
> new file mode 100644
> index 000000000000..09f806f373bd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/platform/microsoft/surface-xbl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Surface Extensible Bootloader for Microsoft Surface Duo
> +
> +maintainers:
> +  - Jarrett Schultz <jaschultzMS@xxxxxxxxx>
> +
> +description: |
> +  Exposes the following device information to user space via sysfs -

What's sysfs? :) Linux details don't go in bindings.

> +    * board_id
> +    * battery_present
> +    * hw_init_retries
> +    * is_customer_mode
> +    * is_act_mode
> +    * pmic_reset_reason
> +    * touch_fw_version
> +    * ocp_error_location
> +  See sysfs documentation for more information.
> +
> +properties:
> +  compatible:
> +    const: microsoft,sm8150-surface-duo-xbl
> +
> +  reg:
> +    maxItems: 1
> +
> +unevaluatedProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +examples:
> +  - |
> +    xbl@146bfa94 {
> +      compatible = "microsoft,sm8150-surface-duo-xbl";
> +      reg = <0x00 0x146bfa94 0x00 0x100>;
> +    };
> +  - |
> +    imem@146bf000 {
> +      compatible = "simple-mfd";

'simple-mfd' needs a specific compatible for the block.

> +      reg = <0x0 0x146bf000 0x0 0x1000>;
> +      ranges = <0x0 0x0 0x146bf000 0x1000>;
> +
> +      #address-cells = <1>;
> +      #size-cells = <1>;
> +
> +      xbl@a94 {
> +        compatible = "microsoft,sm8150-surface-duo-xbl";
> +        reg = <0xa94 0x100>;
> +      };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index eeb4c70b3d5b..8643546f8fab 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -12423,6 +12423,13 @@ F:	Documentation/driver-api/surface_aggregator/clients/dtx.rst
>  F:	drivers/platform/surface/surface_dtx.c
>  F:	include/uapi/linux/surface_aggregator/dtx.h
>  
> +MICROSOFT SURFACE DUO XBL DRIVER
> +M:	Jarrett Schultz <jaschultz@xxxxxxxxxxxxx>
> +L:	linux-arm-msm@xxxxxxxxxxxxxxx
> +L:	platform-driver-x86@xxxxxxxxxxxxxxx
> +S:	Supported
> +F:	Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml
> +
>  MICROSOFT SURFACE GPE LID SUPPORT DRIVER
>  M:	Maximilian Luz <luzmaximilian@xxxxxxxxx>
>  L:	platform-driver-x86@xxxxxxxxxxxxxxx
> -- 
> 2.25.1
> 
> 



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