Re: [PATCH v2 1/6] dt-bindings: Document the SYSREG specific compatibles found on FSD SoC

From: Krzysztof Kozlowski
Date: Wed Nov 09 2022 - 06:08:55 EST


On 09/11/2022 11:09, Vivek Yadav wrote:
> From: Sriranjani P <sriranjani.p@xxxxxxxxxxx>
>

Use subject prefixes matching the subsystem (git log --oneline -- ...).

> Describe the compatible properties for SYSREG controllers found on
> FSD SoC.

This is ARM SoC patch, split it from the patchset.

>
> Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
> Signed-off-by: Pankaj Kumar Dubey <pankaj.dubey@xxxxxxxxxxx>
> Signed-off-by: Ravi Patel <ravi.patel@xxxxxxxxxxx>
> Signed-off-by: Vivek Yadav <vivek.2311@xxxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>

Drop the Cc list from commit log. It's not helpful.

> Signed-off-by: Sriranjani P <sriranjani.p@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/arm/tesla-sysreg.yaml | 50 +++++++++++++++++++
> MAINTAINERS | 1 +
> 2 files changed, 51 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/tesla-sysreg.yaml
>
> diff --git a/Documentation/devicetree/bindings/arm/tesla-sysreg.yaml b/Documentation/devicetree/bindings/arm/tesla-sysreg.yaml
> new file mode 100644
> index 000000000000..bbcc6dd75918
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/tesla-sysreg.yaml

arm is only for top level stuff. This goes to soc under tesla or samsung
directory.

> @@ -0,0 +1,50 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/tesla-sysreg.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Tesla Full Self-Driving platform's system registers
> +
> +maintainers:
> + - Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
> +
> +description: |
> + This is a system control registers block, providing multiple low level
> + platform functions like board detection and identification, software
> + interrupt generation.
> +
> +properties:
> + compatible:
> + oneOf:

No need for oneOf.

> + - items:
> + - enum:
> + - tesla,sysreg_fsys0
> + - tesla,sysreg_peric

>From where did you get underscores in compatibles?

> + - const: syscon
> +
> + reg:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + sysreg_fsys0: system-controller@15030000 {
> + compatible = "tesla,sysreg_fsys0", "syscon";

Use 4 spaces for example indentation.

> + reg = <0x0 0x15030000 0x0 0x1000>;
> + };
> +
> + sysreg_peric: system-controller@14030000 {
> + compatible = "tesla,sysreg_peric", "syscon";
> + reg = <0x0 0x14030000 0x0 0x1000>;
> + };

One example is enough, they are the same.
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index a198da986146..56995e7d63ad 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -2943,6 +2943,7 @@ M: linux-fsd@xxxxxxxxx
> L: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx (moderated for non-subscribers)
> L: linux-samsung-soc@xxxxxxxxxxxxxxx
> S: Maintained
> +F: Documentation/devicetree/bindings/arm/tesla-sysreg.yaml
> F: arch/arm64/boot/dts/tesla*
>
> ARM/TETON BGA MACHINE SUPPORT

Best regards,
Krzysztof