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From: Peter Geis <pgwipeout@gmail.com>
To: "Heiko Stübner" <heiko@sntech.de>
Cc: Rob Herring <robh+dt@kernel.org>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Vinod Koul <vkoul@kernel.org>,
	devicetree@vger.kernel.org,
	arm-mail-list <linux-arm-kernel@lists.infradead.org>,
	"open list:ARM/Rockchip SoC..."
	<linux-rockchip@lists.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-phy@lists.infradead.org
Subject: Re: [RFC PATCH 3/9] dt-bindings: usb: generic-ohci: increase maximum clocks
Date: Wed, 28 Jul 2021 11:20:03 -0400	[thread overview]
Message-ID: <CAMdYzYpcqJHedu=xBBLC60j1wcFQ9zL1R73ahKy33RjUnw2xKA@mail.gmail.com> (raw)
In-Reply-To: <3733382.QJadu78ljV@diego>

On Wed, Jul 28, 2021 at 10:59 AM Heiko Stübner <heiko@sntech.de> wrote:
>
> Hi Peter,
>
> Am Mittwoch, 28. Juli 2021, 14:26:00 CEST schrieb Peter Geis:
> > The rk3568 generic ohci controller has four clocks.
> > Increase the maximum clocks in the documentation to account for this.
> >
> > Signed-off-by: Peter Geis <pgwipeout@gmail.com>
> > ---
> >  Documentation/devicetree/bindings/usb/generic-ohci.yaml | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> > index 569777a76c90..850996e6f451 100644
> > --- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> > +++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
> > @@ -59,7 +59,7 @@ properties:
> >
> >    clocks:
> >      minItems: 1
> > -    maxItems: 3
> > +    maxItems: 4
> >      description: |
> >        In case the Renesas R-Car Gen3 SoCs:
> >          - if a host only channel: first clock should be host.
> >
>
> In the patch adding the usb nodes, I see that this 4th clock references
> the clock generated inside usbphy itself.
>
> Does the usb controller actually use that or is this just a way to
> enable the usbphy clock, which in that case should maybe just happen
> on phy-power-on in the phy driver?

I'll check if it works without it.

>
>
> Heiko
>
>

  reply	other threads:[~2021-07-28 15:20 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-28 12:25 [RFC PATCH 0/9] phy-rockchip-inno-usb2: support rk356x usb2phy Peter Geis
2021-07-28 12:25 ` [RFC PATCH 1/9] dt-bindings: soc: rockchip: add rk3568-usb2phy-grf Peter Geis
2021-07-28 14:36   ` Johan Jonker
2021-07-28 15:20     ` Peter Geis
2021-07-28 12:25 ` [RFC PATCH 2/9] dt-bindings: phy: phy-rockchip-inno-usb2: add rk3568 documentation Peter Geis
2021-07-28 15:14   ` Johan Jonker
2021-07-28 15:19     ` Peter Geis
2021-07-28 12:26 ` [RFC PATCH 3/9] dt-bindings: usb: generic-ohci: increase maximum clocks Peter Geis
2021-07-28 14:59   ` Heiko Stübner
2021-07-28 15:20     ` Peter Geis [this message]
2021-07-28 12:26 ` [RFC PATCH 4/9] phy: phy-rockchip-inno-usb2: support #address_cells = 2 Peter Geis
2021-07-28 12:26 ` [RFC PATCH 5/9] phy: phy-rockchip-inno-usb2: support standalone phy nodes Peter Geis
2021-07-28 12:26 ` [RFC PATCH 6/9] phy: phy-rockchip-inno-usb2: support muxed interrupts Peter Geis
2021-07-28 12:26 ` [RFC PATCH 7/9] phy: phy-rockchip-inno-usb2: add rk3568 support Peter Geis
2021-07-28 12:26 ` [RFC PATCH 8/9] arm64: dts: rockchip: add usb2 nodes to rk3568 device tree Peter Geis
2021-07-28 12:26 ` [RFC PATCH 9/9] arm64: dts: rockchip: add Quartz64-A usb2 support Peter Geis

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