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
next prev parent 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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