[v5,05/20] dt-bindings: arm: google: Add bindings for Google ARM platforms

This introduces bindings and dt-schema for the Google tensor SoCs.
Currently just gs101 and pixel 6 are supported.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../devicetree/bindings/arm/google.yaml       | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/google.yaml

On Fri, Dec 1, 2023 at 10:10 AM Peter Griffin <peter.griffin@linaro.org> wrote:
>
> This introduces bindings and dt-schema for the Google tensor SoCs.
> Currently just gs101 and pixel 6 are supported.
>
> Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
> Reviewed-by: Rob Herring <robh@kernel.org>
> ---

Other than spelling comments below:

Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>

>  .../devicetree/bindings/arm/google.yaml       | 53 +++++++++++++++++++
>  1 file changed, 53 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/google.yaml
>
> diff --git a/Documentation/devicetree/bindings/arm/google.yaml b/Documentation/devicetree/bindings/arm/google.yaml
> new file mode 100644
> index 000000000000..be191e70192d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/google.yaml
> @@ -0,0 +1,53 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/google.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Google Tensor platforms
> +
> +maintainers:
> +  - Peter Griffin <peter.griffin@linaro.org>
> +
> +description: |
> +  ARM platforms using SoCs designed by Google branded "Tensor" used in Pixel
> +  devices.
> +
> +  Currently upstream this is devices using "gs101" SoC which is found in Pixel
> +  6, Pixel 6 Pro and Pixel 6a.
> +
> +  Google have a few different names for the SoC.

Suggest removing period, or replacing it with colon.

> +  - Marketing name ("Tensor")
> +  - Codename ("Whitechapel")
> +  - SoC ID ("gs101")
> +  - Die ID ("S5P9845");

Semicolon seems off here.

> +
> +  Likewise there are a couple of names for the actual device
> +  - Marketing name ("Pixel 6")
> +  - Codename ("Oriole")
> +
> +  Devicetrees should use the lowercased SoC ID and lowercased board codename.

period -> comma

> +  e.g. gs101 and gs101-oriole

Missing period character.

> +
> +properties:
> +  $nodename:
> +    const: '/'
> +  compatible:
> +    oneOf:
> +      - description: Google Pixel 6 / Oriole
> +        items:
> +          - enum:
> +              - google,gs101-oriole
> +          - const: google,gs101
> +
> +  # Bootloader requires empty ect node to be present
> +  ect:
> +    type: object
> +    additionalProperties: false
> +
> +required:
> +  - ect
> +
> +additionalProperties: true
> +
> +...
> --
> 2.43.0.rc2.451.g8631bc7472-goog
>

Hi Sam,

Thanks for the review.

On Fri, 1 Dec 2023 at 20:22, Sam Protsenko <semen.protsenko@linaro.org> wrote:
>
> On Fri, Dec 1, 2023 at 10:10 AM Peter Griffin <peter.griffin@linaro.org> wrote:
> >
> > This introduces bindings and dt-schema for the Google tensor SoCs.
> > Currently just gs101 and pixel 6 are supported.
> >
> > Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
> > Reviewed-by: Rob Herring <robh@kernel.org>
> > ---
>
> Other than spelling comments below:
>
> git st
>
> >  .../devicetree/bindings/arm/google.yaml       | 53 +++++++++++++++++++
> >  1 file changed, 53 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/arm/google.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/arm/google.yaml b/Documentation/devicetree/bindings/arm/google.yaml
> > new file mode 100644
> > index 000000000000..be191e70192d
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/arm/google.yaml
> > @@ -0,0 +1,53 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/arm/google.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Google Tensor platforms
> > +
> > +maintainers:
> > +  - Peter Griffin <peter.griffin@linaro.org>
> > +
> > +description: |
> > +  ARM platforms using SoCs designed by Google branded "Tensor" used in Pixel
> > +  devices.
> > +
> > +  Currently upstream this is devices using "gs101" SoC which is found in Pixel
> > +  6, Pixel 6 Pro and Pixel 6a.
> > +
> > +  Google have a few different names for the SoC.
>
> Suggest removing period, or replacing it with colon.

will fix
>
> > +  - Marketing name ("Tensor")
> > +  - Codename ("Whitechapel")
> > +  - SoC ID ("gs101")
> > +  - Die ID ("S5P9845");
>
> Semicolon seems off here.

will fix

>
> > +
> > +  Likewise there are a couple of names for the actual device
> > +  - Marketing name ("Pixel 6")
> > +  - Codename ("Oriole")
> > +
> > +  Devicetrees should use the lowercased SoC ID and lowercased board codename.
>
> period -> comma
>
> > +  e.g. gs101 and gs101-oriole
>
> Missing period character.

will fix

Peter
>
> > +
> > +properties:
> > +  $nodename:
> > +    const: '/'
> > +  compatible:
> > +    oneOf:
> > +      - description: Google Pixel 6 / Oriole
> > +        items:
> > +          - enum:
> > +              - google,gs101-oriole
> > +          - const: google,gs101
> > +
> > +  # Bootloader requires empty ect node to be present
> > +  ect:
> > +    type: object
> > +    additionalProperties: false
> > +
> > +required:
> > +  - ect
> > +
> > +additionalProperties: true
> > +
> > +...
> > --
> > 2.43.0.rc2.451.g8631bc7472-goog
> >