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From: Rob Herring <robh@kernel.org>
To: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: balbi@kernel.org, mark.rutland@arm.com,
	gregkh@linuxfoundation.org, linux-usb@vger.kernel.org,
	linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v4 2/3] dt-bindings: usb: renesas_usbhs: add clock-names property
Date: Mon, 10 Sep 2018 13:26:34 -0500	[thread overview]
Message-ID: <20180910182634.GA21062@bogus> (raw)
In-Reply-To: <1536573140-24123-3-git-send-email-yoshihiro.shimoda.uh@renesas.com>

On Mon, Sep 10, 2018 at 06:52:19PM +0900, Yoshihiro Shimoda wrote:
> R-Car Gen3 needs to enable clocks of both host and peripheral.
> Otherwise, other side device cannot work correctly. So, this patch
> adds a property of clock-names for R-Car Gen3 as an optional.
> 
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> ---
>  Documentation/devicetree/bindings/usb/renesas_usbhs.txt | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
> index 087140a..dbdb92c 100644
> --- a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
> +++ b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
> @@ -26,7 +26,9 @@ Required properties:
>  
>    - reg: Base address and length of the register for the USBHS
>    - interrupts: Interrupt specifier for the USBHS
> -  - clocks: A list of phandle + clock specifier pairs
> +  - clocks: A list of phandle + clock specifier pairs. In case of
> +	    "renesas,rcar-gen3-usbhs" compatible device, first clock should be
> +	    peripheral and second one should be host.

This should have said how many clocks. That's still not clear except for 
"renesas,rcar-gen3-usbhs".

Rob

  reply	other threads:[~2018-09-10 18:26 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-10  9:52 [PATCH v4 0/3] usb: renesas_usbhs: add reset_control and multiple clocks management Yoshihiro Shimoda
2018-09-10  9:52 ` [PATCH v4 1/3] usb: renesas_usbhs: Add reset_control Yoshihiro Shimoda
2018-09-10  9:52 ` [PATCH v4 2/3] dt-bindings: usb: renesas_usbhs: add clock-names property Yoshihiro Shimoda
2018-09-10 18:26   ` Rob Herring [this message]
2018-09-11  2:38     ` Yoshihiro Shimoda
2018-09-10  9:52 ` [PATCH v4 3/3] usb: renesas_usbhs: Add multiple clocks management Yoshihiro Shimoda

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