linux-kernel - Re: [PATCH v2] dt-bindings: mips: lantiq: Document lantiq dcdc binding

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Message-ID: <e327b6ce-11ad-4909-9c6f-cd833b44e15f@wp.pl>
Date: Fri, 15 Aug 2025 12:13:41 +0200
From: Aleksander Jan Bajkowski <olek2@...pl>
To: Conor Dooley <conor@...nel.org>, y@...d.smtp.subspace.kernel.org
Cc: tsbogend@...ha.franken.de, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, linux-mips@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dt-bindings: mips: lantiq: Document lantiq dcdc
 binding

Hi Conor,

On 8/14/25 22:48, Conor Dooley wrote:
> On Thu, Aug 14, 2025 at 10:26:56AM +0200, Aleksander Jan Bajkowski wrote:
>> Lantiq DCDC is a voltage converter with a voltage sensor.
>>
>> Signed-off-by: Aleksander Jan Bajkowski <olek2@...pl>
>> ---
>>   .../mips/lantiq/lantiq,dcdc-xrx200.yaml       | 32 +++++++++++++++++++
>>   1 file changed, 32 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/mips/lantiq/lantiq,dcdc-xrx200.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/mips/lantiq/lantiq,dcdc-xrx200.yaml b/Documentation/devicetree/bindings/mips/lantiq/lantiq,dcdc-xrx200.yaml
>> new file mode 100644
>> index 000000000000..5648b9676b3c
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mips/lantiq/lantiq,dcdc-xrx200.yaml
>> @@ -0,0 +1,32 @@
>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/mips/lantiq/lantiq,dcdc-xrx200.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Lantiq DCDC (DC-DC converter with voltage sensor)
>> +
>> +maintainers:
>> +  - Aleksander Jan Bajkowski <olek2@...pl>
>> +
>> +properties:
>> +  compatible:
>> +    items:
>> +      - enum:
>> +          - lantiq,dcdc-xrx200
> What is "xrx2000" in this context?


“xrx200” is one of the generations of Lantiq SoCs. It includes four part 
numbers
with the same memory map. The other generations are amazon-se, danube, 
ARX100,
GRX100, xRX200, xRX300, xRX330. These correspond to the internal code 
names: ase,
danube, ar9, gr9, vr9, ar10, grx390.


Best regards,
Aleksander