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* [v4,2/3] dt-bindings: usb: renesas_usbhs: add clock-names property
@ 2018-09-10  9:52 Yoshihiro Shimoda
  0 siblings, 0 replies; 3+ messages in thread
From: Yoshihiro Shimoda @ 2018-09-10  9:52 UTC (permalink / raw)
  To: balbi, robh+dt, mark.rutland
  Cc: gregkh, linux-usb, linux-renesas-soc, devicetree,
	Yoshihiro Shimoda

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.
 
 Optional properties:
   - renesas,buswait: Integer to use BUSWAIT register

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [v4,2/3] dt-bindings: usb: renesas_usbhs: add clock-names property
@ 2018-09-10 18:26 Rob Herring
  0 siblings, 0 replies; 3+ messages in thread
From: Rob Herring @ 2018-09-10 18:26 UTC (permalink / raw)
  To: Yoshihiro Shimoda
  Cc: balbi, mark.rutland, gregkh, linux-usb, linux-renesas-soc,
	devicetree

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [v4,2/3] dt-bindings: usb: renesas_usbhs: add clock-names property
@ 2018-09-11  2:38 Yoshihiro Shimoda
  0 siblings, 0 replies; 3+ messages in thread
From: Yoshihiro Shimoda @ 2018-09-11  2:38 UTC (permalink / raw)
  To: Rob Herring
  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

Hi Rob,

> From: Rob Herring, Sent: Tuesday, September 11, 2018 3:27 AM
> 
> 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".

Thank you for your comments! I'll revise it.

Best regards,
Yoshihiro Shimoda

> Rob

^ permalink raw reply	[flat|nested] 3+ messages in thread

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