linux-kernel - Re: [PATCH v2 03/14] dt-bindings: ufs: exynos-ufs: Add gs101 compatible

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Date: Wed, 24 Apr 2024 14:53:18 -0500
From: Rob Herring <robh@...nel.org>
To: Peter Griffin <peter.griffin@...aro.org>
Cc: mturquette@...libre.com, sboyd@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, vkoul@...nel.org, kishon@...nel.org,
	alim.akhtar@...sung.com, avri.altman@....com, bvanassche@....org,
	s.nawrocki@...sung.com, cw00.choi@...sung.com, jejb@...ux.ibm.com,
	martin.petersen@...cle.com, James.Bottomley@...senpartnership.com,
	ebiggers@...nel.org, linux-scsi@...r.kernel.org,
	linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-clk@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	tudor.ambarus@...aro.org, andre.draszik@...aro.org,
	saravanak@...gle.com, willmcvicker@...gle.com
Subject: Re: [PATCH v2 03/14] dt-bindings: ufs: exynos-ufs: Add gs101
 compatible

On Tue, Apr 23, 2024 at 09:49:55PM +0100, Peter Griffin wrote:
> Add dedicated google,gs101-ufs compatible for Google Tensor gs101
> SoC.
> 
> Signed-off-by: Peter Griffin <peter.griffin@...aro.org>
> ---
>  .../bindings/ufs/samsung,exynos-ufs.yaml      | 38 +++++++++++++++++--
>  1 file changed, 35 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> index b2b509b3944d..1179527d29d1 100644
> --- a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> @@ -12,12 +12,10 @@ maintainers:
>  description: |
>    Each Samsung UFS host controller instance should have its own node.
>  
> -allOf:
> -  - $ref: ufs-common.yaml
> -
>  properties:
>    compatible:
>      enum:
> +      - google,gs101-ufs
>        - samsung,exynos7-ufs
>        - samsung,exynosautov9-ufs
>        - samsung,exynosautov9-ufs-vh
> @@ -38,14 +36,24 @@ properties:
>        - const: ufsp
>  
>    clocks:
> +    minItems: 2
>      items:
>        - description: ufs link core clock
>        - description: unipro main clock
> +      - description: fmp clock
> +      - description: ufs aclk clock
> +      - description: ufs pclk clock
> +      - description: sysreg clock
>  
>    clock-names:
> +    minItems: 2
>      items:
>        - const: core_clk
>        - const: sclk_unipro_main
> +      - const: fmp
> +      - const: ufs_aclk
> +      - const: ufs_pclk

'ufs_' is redundant.

> +      - const: sysreg
>  
>    phys:
>      maxItems: 1
> @@ -72,6 +80,30 @@ required:
>    - clocks
>    - clock-names
>  
> +allOf:
> +  - $ref: ufs-common.yaml
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: google,gs101-ufs
> +
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 6
> +
> +        clock-names:
> +          minItems: 6
> +
> +    else:
> +      properties:
> +        clocks:
> +          maxItems: 2
> +
> +        clock-names:
> +          maxItems: 2
> +
>  unevaluatedProperties: false
>  
>  examples:
> -- 
> 2.44.0.769.g3c40516874-goog
>