[PATCH v3 2/3] dt-bindings: mmc: sdhci-of-dwcmhsc: Add rockchip support

[Rob Herring]

On Tue, Mar 09, 2021 at 09:56:29AM +0800, Shawn Lin wrote:
> This patch adds rockchip support in sdhci-of-dwcmhsc.yaml
> 
> Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>
> ---
> 
> Changes in v3: None
> 
>  .../bindings/mmc/snps,dwcmshc-sdhci.yaml           | 24 ++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
> index f99fb9f..43989f2 100644
> --- a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
> +++ b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
> @@ -16,6 +16,7 @@ allOf:
>  properties:
>    compatible:
>      enum:
> +      - rockchip,dwcmshc-sdhci
>        - snps,dwcmshc-sdhci
>  
>    reg:
> @@ -31,12 +32,24 @@ properties:
>      items:
>        - description: core clock
>        - description: bus clock for optional
> +      - description: axi clock for rockchip specified
> +      - description: block clock for rockchip specified
> +      - description: timer clock for rockchip specified
> +
>  
>    clock-names:
>      minItems: 1
>      items:
>        - const: core
>        - const: bus
> +      - const: axi
> +      - const: block
> +      - const: timer
> +
> +  rockchip,txclk-tapnum:
> +    description: Specify the number of delay for tx sampling.
> +    $ref: /schemas/types.yaml#/definitions/uint32

Constraints for this? 0 - 2^32 is okay?

> +
>  
>  required:
>    - compatible
> @@ -49,6 +62,17 @@ unevaluatedProperties: false
>  
>  examples:
>    - |
> +    mmc at fe310000 {
> +      compatible = "rockchip,dwcmshc-sdhci";
> +      reg = <0xfe310000 0x10000>;
> +      interrupts = <0 25 0x4>;
> +      clocks = <&cru 17>, <&cru 18>, <&cru 19>, <&cru 20>, <&cru 21>;
> +      clock-names = "core", "bus", "axi", "block", "timer";
> +      bus-width = <8>;
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +    };
> +  - |
>      mmc at aa0000 {
>        compatible = "snps,dwcmshc-sdhci";
>        reg = <0xaa000 0x1000>;
> -- 
> 2.7.4
> 
> 
>