Re: [EXTERNAL] Re: [PATCH v3 1/5] dt-bindings: net: Add ICSS IEP

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Hi Conor,

On 10/08/23 3:07 am, Conor Dooley wrote:
> Hey,
> 
> On Wed, Aug 09, 2023 at 05:19:02PM +0530, MD Danish Anwar wrote:
>> Add DT binding documentation for ICSS IEP module.
>>
>> Signed-off-by: MD Danish Anwar <danishanwar@xxxxxx>
>> ---
>>  .../devicetree/bindings/net/ti,icss-iep.yaml  | 37 +++++++++++++++++++
>>  1 file changed, 37 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/net/ti,icss-iep.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/net/ti,icss-iep.yaml b/Documentation/devicetree/bindings/net/ti,icss-iep.yaml
>> new file mode 100644
>> index 000000000000..adae240cfd53
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/net/ti,icss-iep.yaml
>> @@ -0,0 +1,37 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/net/ti,icss-iep.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Texas Instruments ICSS Industrial Ethernet Peripheral (IEP) module
> 
> Does the module here refer to the hw component or to the linux kernel
> module?
> 

The module here refers to the hardware component.

>> +
>> +maintainers:
>> +  - Md Danish Anwar <danishanwar@xxxxxx>
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - ti,am654-icss-iep   # for all TI K3 SoCs
> 
> *sigh* Please at least give me a chance to reply to the conversation on
> the previous versions of the series before sending more, that's the
> second time with this series :/

My bad, I should have waited for your response. I will hold on posting next
version until your response is received.

> Right now this looks worse to me than what we started with given the
> comment is even broader. I have not changed my mind re: what I said on
> the previous version.
> 

OK, so in the previous version [1] your reply was to have specific compatibles
as bindings with "ti-am654-icss-iep" as a fall back. I will go with this only.

Does the below looks good to you? Here "ti,am642-icss-iep" and
"ti,j721e-icss-iep" are different compatibles for different SoCs where as
"ti,am654-icss-iep" is the fall back. Compatible "ti,am654-icss-iep" will go in
the driver.

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - ti,am642-icss-iep
              - ti,j721e-icss-iep
          - const: ti,am654-icss-iep

      - items:
          - const: ti,am654-icss-iep

examples:
  - |

    /* AM65x */
    icssg0_iep0: iep@2e000 {
        compatible = "ti,am654-icss-iep";
        reg = <0x2e000 0x1000>;
        clocks = <&icssg0_iepclk_mux>;
    };

    /* J721E */
    icssg0_iep0: iep@2f000 {
        compatible = "ti,j721e-icss-iep","ti,am654-icss-iep";
        reg = <0x2e000 0x1000>;
        clocks = <&icssg0_iepclk_mux>;
    };


    /* AM64x */
    icssg0_iep0: iep@2b000 {
        compatible = "ti,am642-icss-iep", "ti,am654-icss-iep";
        reg = <0x2e000 0x1000>;
        clocks = <&icssg0_iepclk_mux>;
    };


Please let me know if the compatible property and the example looks OK to you.
Also please let me know if some other change is required. I will send next
revision after your confirmation.

> Thanks,
> Conor.
> 
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    maxItems: 1
>> +    description: phandle to the IEP source clock
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - clocks
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    icssg0_iep0: iep@2e000 {
>> +        compatible = "ti,am654-icss-iep";
>> +        reg = <0x2e000 0x1000>;
>> +        clocks = <&icssg0_iepclk_mux>;
>> +    };
>> -- 
>> 2.34.1
>>

[1] https://lore.kernel.org/all/20230808-nutmeg-mashing-543b41e56aa1@spud/

-- 
Thanks and Regards,
Danish.



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