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SubjectRe: [PATCH v2 1/5] dt-bindings: platform: microsoft: Document surface xbl
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@microsoft.com>

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@gmail.com>
> +
> +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@microsoft.com>
> +L: linux-arm-msm@vger.kernel.org
> +L: platform-driver-x86@vger.kernel.org
> +S: Supported
> +F: Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml
> +
> MICROSOFT SURFACE GPE LID SUPPORT DRIVER
> M: Maximilian Luz <luzmaximilian@gmail.com>
> L: platform-driver-x86@vger.kernel.org
> --
> 2.25.1
>
>

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