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Message-ID: <20231214-genetics-issue-b8f9c60c74b2-mkl@pengutronix.de>
Date: Thu, 14 Dec 2023 14:20:04 +0100
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Conor Dooley <conor@...nel.org>
Cc: linux-riscv@...ts.infradead.org,
	Conor Dooley <conor.dooley@...rochip.com>,
	Daire McNamara <daire.mcnamara@...rochip.com>,
	Wolfgang Grandegger <wg@...ndegger.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, linux-can@...r.kernel.org,
	netdev@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH RESEND v1 2/7] dt-bindings: can: mpfs: add missing
 required clock

On 14.12.2023 13:16:55, Conor Dooley wrote:
> > > > > --- a/Documentation/devicetree/bindings/net/can/microchip,mpfs-can.yaml
> > > > > +++ b/Documentation/devicetree/bindings/net/can/microchip,mpfs-can.yaml
> > > > > @@ -24,7 +24,10 @@ properties:
> > > > >      maxItems: 1
> > > > >  
> > > > >    clocks:
> > > > > -    maxItems: 1
> > > > > +    maxItems: 2
> > > > > +    items:
> > > > > +      - description: AHB peripheral clock
> > > > > +      - description: CAN bus clock
> > > > 
> > > > Do we we want to have a "clock-names" property, as we need the clock
> > > > rate of the CAN bus clock.
> > > 
> > > We should not need the clock-names property to be able to get both of
> > > the clocks. clk_bulk_get_all() for example should be usable here.
> > 
> > ACK, but we need the clock rate of CAN clock. Does this binding check
> > that the CAN clock rate is the 2nd one?
> 
> The items list requires that the can clock be the second one, so drivers
> etc can rely on that ordering.

Thanks for the clarification,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
Embedded Linux                   | https://www.pengutronix.de |
Vertretung Nürnberg              | Phone: +49-5121-206917-129 |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-9   |

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