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From: "Heiko Stübner" <heiko@sntech.de>
To: Rob Herring <robh+dt@kernel.org>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Vinod Koul <vkoul@kernel.org>, Peter Geis <pgwipeout@gmail.com>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
	linux-phy@lists.infradead.org, Peter Geis <pgwipeout@gmail.com>
Subject: Re: [RFC PATCH 3/9] dt-bindings: usb: generic-ohci: increase maximum clocks
Date: Wed, 28 Jul 2021 16:59:49 +0200	[thread overview]
Message-ID: <3733382.QJadu78ljV@diego> (raw)
In-Reply-To: <20210728122606.697619-4-pgwipeout@gmail.com>

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?


Heiko



  reply	other threads:[~2021-07-28 14:59 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 [this message]
2021-07-28 15:20     ` Peter Geis
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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