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: <20250326-tricycle-hesitate-e58633e62545@spud>
Date: Wed, 26 Mar 2025 11:00:57 +0000
From: Conor Dooley <conor@...nel.org>
To: Krzysztof Kozlowski <krzk@...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 Wed, Mar 26, 2025 at 07:53:55AM +0100, Krzysztof Kozlowski wrote:
> 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.

The pinctrl will have one, whenever I get around to actually working on
that. I can leave the simple-mfd out until I establish exactly what
that's going to look like if that's what you want?

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