linux-kernel - Re: [RFC PATCH v2 2/9] dt-bindings: soc: microchip: document the simple-mfd syscon on PolarFire SoC

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Message-ID: <58bb1186-08ee-41cf-8593-a6664bd874e6@kernel.org>
Date: Wed, 26 Mar 2025 07:53:55 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Conor Dooley <conor@...nel.org>
Cc: Stephen Boyd <sboyd@...nel.org>, Conor Dooley
 <conor.dooley@...rochip.com>, Daire McNamara <daire.mcnamara@...rochip.com>,
 pierre-henry.moussay@...rochip.com, valentina.fernandezalanis@...rochip.com,
 Michael Turquette <mturquette@...libre.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Jassi Brar <jassisinghbrar@...il.com>, Lee Jones <lee@...nel.org>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Philipp Zabel <p.zabel@...gutronix.de>,
 linux-riscv@...ts.infradead.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 2/9] dt-bindings: soc: microchip: document the
 simple-mfd syscon on PolarFire SoC

On 25/03/2025 17:03, Conor Dooley wrote:
> On Tue, Mar 25, 2025 at 09:13:22AM +0100, Krzysztof Kozlowski wrote:
>> On Fri, Mar 21, 2025 at 05:22:35PM +0000, Conor Dooley wrote:
>>> +title: Microchip PolarFire SoC Microprocessor Subsystem (MSS) sysreg register region
>>> +
>>> +maintainers:
>>> +  - Conor Dooley <conor.dooley@...rochip.com>
>>> +
>>> +description:
>>> +  An wide assortment of registers that control elements of the MSS on PolarFire
>>> +  SoC, including pinmuxing, resets and clocks among others.
>>> +
>>> +properties:
>>> +  compatible:
>>> +    items:
>>> +      - const: microchip,mpfs-mss-top-sysreg
>>> +      - const: syscon
>>> +      - const: simple-mfd
>>
>> You need to list the children if you use simple-mfd. Commit msg
>> mentioned clock controller, so where is it?
> 
> I don't think a child node is required here, there's not enough

Then this is not a simple-mfd.

Best regards,
Krzysztof