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

[Johan Jonker]

On 3/10/21 4:01 AM, Rob Herring wrote:
> 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

Compatible strings are supposed to be SoC orientated.
What SoC was this change for? rk3568 ?
Could Shawn confirm that?

         - rockchip,rk3568-dwcmshc-sdhci ??

Could Rob advise here?

>>        - 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";

      compatible = "rockchip,rk3568-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
>>
>>
>>
>