RE: [PATCH 1/3] dt-bindings: phy: rcar-gen3-phy-usb2: Revise #phy-cells property

From: Fabrizio Castro
Date: Wed Apr 03 2019 - 06:35:37 EST


Hello Yoshihiro-san,

Thank you for your patch!

> From: linux-kernel-owner@xxxxxxxxxxxxxxx <linux-kernel-owner@xxxxxxxxxxxxxxx> On Behalf Of Yoshihiro Shimoda
> Sent: 01 April 2019 13:01
> Subject: [PATCH 1/3] dt-bindings: phy: rcar-gen3-phy-usb2: Revise #phy-cells property
>
> To have the detailed property on each PHY specifier, this patch revices

s/revices/revises/g

> the #phy-cells property.
>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb2.txt | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb2.txt b/Documentation/devicetree/bindings/phy/rcar-gen3-
> phy-usb2.txt
> index ad9c290..7f0d4bf 100644
> --- a/Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb2.txt
> +++ b/Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb2.txt
> @@ -27,7 +27,12 @@ Required properties:
>
> - reg: offset and length of the partial USB 2.0 Host register block.
> - clocks: clock phandle and specifier pair(s).
> -- #phy-cells: see phy-bindings.txt in the same directory, must be <0>.
> +- #phy-cells: see phy-bindings.txt in the same directory, must be <1>.
> +
> +The phandle's argument in the PHY specifier is the INT_STATUS bit of controller:

>From the driver we are also looking for value 0, as in rcar_gen3_get_dr_mode we
have a for loop that starts from 0, and we call of_usb_get_dr_mode_by_phy with
arg0 == 0, why are we leaving this out from this list?

Thanks,
Fab

> +- 1 = USBH_INTA (OHCI)
> +- 2 = USBH_INTB (EHCI)
> +- 3 = UCOM_INT (OTG and BC)
>
> Optional properties:
> To use a USB channel where USB 2.0 Host and HSUSB (USB 2.0 Peripheral) are
> --
> 2.7.4