Re: [PATCH] dt-bindings: spi: renesas,sh-msiof: Miscellaneous improvements

[Rob Herring <robh@kernel.org>]

On Wed, Mar 15, 2023 at 03:54:07PM +0100, Geert Uytterhoeven wrote:
> Make "clocks" and "power-domains" required everywhere.
> Make "resets" required on R-Car Gen2 and newer (i.e. all but SH-Mobile).

Breaking the ABI is fine because ???

> 
> Update the example to match reality:
>   - Use interrupt binding definitions instead of hardcoded numbers,
>   - Convert to new-style CPG/MSSR bindings,
>   - Add missing "power-domains" and "resets" properties.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
>  .../bindings/spi/renesas,sh-msiof.yaml        | 23 +++++++++++++++----
>  1 file changed, 19 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/spi/renesas,sh-msiof.yaml b/Documentation/devicetree/bindings/spi/renesas,sh-msiof.yaml
> index 491a695a2deb3b83..00acbbb0f65dcf57 100644
> --- a/Documentation/devicetree/bindings/spi/renesas,sh-msiof.yaml
> +++ b/Documentation/devicetree/bindings/spi/renesas,sh-msiof.yaml
> @@ -149,23 +149,38 @@ required:
>    - compatible
>    - reg
>    - interrupts
> +  - clocks
> +  - power-domains
>    - '#address-cells'
>    - '#size-cells'
>  
> +if:
> +  not:
> +    properties:
> +      compatible:
> +        contains:
> +          const: renesas,sh-mobile-msiof
> +then:
> +  required:
> +    - resets
> +
>  unevaluatedProperties: false
>  
>  examples:
>    - |
> -    #include <dt-bindings/clock/r8a7791-clock.h>
> -    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/clock/r8a7791-cpg-mssr.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/power/r8a7791-sysc.h>
>  
>      msiof0: spi@e6e20000 {
>          compatible = "renesas,msiof-r8a7791", "renesas,rcar-gen2-msiof";
>          reg = <0xe6e20000 0x0064>;
> -        interrupts = <0 156 IRQ_TYPE_LEVEL_HIGH>;
> -        clocks = <&mstp0_clks R8A7791_CLK_MSIOF0>;
> +        interrupts = <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>;
> +        clocks = <&cpg CPG_MOD 000>;
>          dmas = <&dmac0 0x51>, <&dmac0 0x52>;
>          dma-names = "tx", "rx";
> +        power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
> +        resets = <&cpg 0>;
>          #address-cells = <1>;
>          #size-cells = <0>;
>      };
> -- 
> 2.34.1
>