Re: [PATCH v3 1/2] dt-bindings: clock: sophgo: Add top misc controller of CV18XX/SG200X series SoC

From: Krzysztof Kozlowski
Date: Sat Feb 17 2024 - 09:32:24 EST


On 16/02/2024 00:56, Inochi Amaoto wrote:
>> On Wed, Feb 14, 2024 at 02:33:14PM +0800, Inochi Amaoto wrote:
>>> CV18XX/SG200X series SoCs have a special top misc system controller,
>>> which provides register access for several devices. In addition to
>>> register access, this system controller also contains some subdevices
>>> (such as dmamux).
>>>
>>> Add bindings for top misc controller of CV18XX/SG200X series SoC.
>>>
>>> Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxxxx>
>>> ---
>>> .../soc/sophgo/sophgo,cv1800-top-syscon.yaml | 40 +++++++++++++++++++
>>> 1 file changed, 40 insertions(+)
>>> create mode 100644 Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800-top-syscon.yaml
>>>
>>> diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800-top-syscon.yaml b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800-top-syscon.yaml
>>> new file mode 100644
>>> index 000000000000..619237532801
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800-top-syscon.yaml
>>> @@ -0,0 +1,40 @@
>>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/soc/sophgo/sophgo,cv1800-top-syscon.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Sophgo CV1800/SG2000 SoC top system controller
>>> +
>>> +maintainers:
>>> + - Inochi Amaoto <inochiama@xxxxxxxxxxx>
>>> +
>>> +description:
>>> + The Sophgo CV1800/SG2000 SoC top misc system controller provides
>>> + register access to configure related modules.
>>> +
>>> +properties:
>>> + compatible:
>>> + items:
>>> + - const: sophgo,cv1800-top-syscon
>>> + - const: syscon
>>> + - const: simple-mfd
>>
>> You have to define child nodes to be a simple-mfd.
>>
>> You could drop it, but I now suspect your binding is incomplete.
>>
>> Rob
>
> Hi Rob,
>
> I have a small questions: Can I drop "simple-mfd" and just add it
> when the new subdevice is added? I know the binding is just a example,

No, because bindings should be complete.


Best regards,
Krzysztof