Re: [PATCH v2 1/3] dt-bindings: nvmem: rockchip,otp: Add support for rk3562 and rk3568

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Hi Kever,

On 2025-02-27 12:08, Kever Yang wrote:
> Add compatible entry for the otp controller in rk3562 and rk3568, add schema
> for different clock names for new entry.
> 
> Signed-off-by: Kever Yang <kever.yang@xxxxxxxxxxxxxx>
> ---
> 
> Changes in v2:
> - Update the commit message and add maxItems in schema.
> 
>  .../bindings/nvmem/rockchip,otp.yaml          | 53 ++++++++++++++++---
>  1 file changed, 46 insertions(+), 7 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml b/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml
> index a44d44b32809..7572f4a1d73b 100644
> --- a/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml
> +++ b/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml
> @@ -14,6 +14,8 @@ properties:
>      enum:
>        - rockchip,px30-otp
>        - rockchip,rk3308-otp
> +      - rockchip,rk3562-otp
> +      - rockchip,rk3568-otp
>        - rockchip,rk3588-otp
>  
>    reg:
> @@ -25,19 +27,15 @@ properties:
>  
>    clock-names:
>      minItems: 3
> -    items:
> -      - const: otp
> -      - const: apb_pclk
> -      - const: phy
> -      - const: arb
> +    maxItems: 4
>  
>    resets:
>      minItems: 1
> -    maxItems: 3
> +    maxItems: 4
>  
>    reset-names:
>      minItems: 1
> -    maxItems: 3
> +    maxItems: 4

For clock-names above and reset-names we could possible skip the
min/max-items, e.g. something like:

  clock-names: true
  reset-names: true

and then only keep the items prop in the different conditions below.

>  
>  required:
>    - compatible
> @@ -62,12 +60,45 @@ allOf:
>        properties:
>          clocks:
>            maxItems: 3
> +        clock-names:
> +          items:
> +            - const: otp
> +            - const: apb_pclk
> +            - const: phy
>          resets:
>            maxItems: 1
>          reset-names:
>            items:
>              - const: phy
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - rockchip,rk3562-otp
> +              - rockchip,rk3568-otp
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 4
> +          maxItems: 4
> +        clock-names:
> +          items:
> +            - const: usr

Why do we not use the name "otp" here ? For px30 and rk3308 the clock is
named clk_otp_usr and we still use the "otp" name.

> +            - const: sbpi
> +            - const: apb_pclk
> +            - const: phy
> +        resets:
> +          minItems: 4
> +          maxItems: 4
> +        reset-names:
> +          items:
> +            - const: usr

Same here.

This needs to be rebased to also include rk3576 clock-names.

I prepared a FIXUP commit at [1] with the suggested changes, feel free
to squash any changes you agree with in a v3.

I am planing to send out a OTP series for RK3528, and that will depend
on next revision of this series :-)

[1] https://github.com/Kwiboo/linux-rockchip/commits/next-20250314-rk3528/

Regards,
Jonas

> +            - const: sbpi
> +            - const: apb
> +            - const: phy
> +
>    - if:
>        properties:
>          compatible:
> @@ -78,8 +109,16 @@ allOf:
>        properties:
>          clocks:
>            minItems: 4
> +          maxItems: 4
> +        clock-names:
> +          items:
> +            - const: otp
> +            - const: apb_pclk
> +            - const: phy
> +            - const: arb
>          resets:
>            minItems: 3
> +          maxItems: 3
>          reset-names:
>            items:
>              - const: otp





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