Hi Rob,
> -----Original Message-----
> From: Rob Herring
> Sent: Friday, August 4, 2017 7:28 AM
>
> On Fri, Jul 28, 2017 at 09:16:59PM +0900, Yoshihiro Shimoda wrote:
> > This patch adds support for R-Car M3-W. This patch also adds R-Car
> > Gen3 generic version's compatible.
> >
> > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> > ---
> > Documentation/devicetree/bindings/usb/renesas_usb3.txt | 16 +++++++++++++---
> > drivers/usb/gadget/udc/renesas_usb3.c | 8 ++++++++
> > 2 files changed, 21 insertions(+), 3 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/usb/renesas_usb3.txt
> b/Documentation/devicetree/bindings/usb/renesas_usb3.txt
> > index 8d52766..e280258 100644
> > --- a/Documentation/devicetree/bindings/usb/renesas_usb3.txt
> > +++ b/Documentation/devicetree/bindings/usb/renesas_usb3.txt
> > @@ -3,20 +3,30 @@ Renesas Electronics USB3.0 Peripheral driver
> > Required properties:
> > - compatible: Must contain one of the following:
> > - "renesas,r8a7795-usb3-peri"
> > + - "renesas,r8a7796-usb3-peri"
> > + - "renesas,rcar-gen3-usb3-peri" for a generic R-Car Gen3 compatible
> > + device
> > +
> > + When compatible with the generic version, nodes must list the
> > + SoC-specific version corresponding to the platform first
> > + followed by the generic version.
> > +
> > - reg: Base address and length of the register for the USB3.0 Peripheral
> > - interrupts: Interrupt specifier for the USB3.0 Peripheral
> > - clocks: clock phandle and specifier pair
> >
> > -Example:
> > +Example of R-Car H3 ES1.x:
> > usb3_peri0: usb@ee020000 {
> > - compatible = "renesas,r8a7795-usb3-peri";
> > + compatible = "renesas,r8a7795-usb3-peri",
> > + "renesas,rcar-gen3-usb3-peri";
> > reg = <0 0xee020000 0 0x400>;
> > interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
> > clocks = <&cpg CPG_MOD 328>;
> > };
> >
> > usb3_peri1: usb@ee060000 {
> > - compatible = "renesas,r8a7795-usb3-peri";
> > + compatible = "renesas,r8a7795-usb3-peri",
> > + "renesas,rcar-gen3-usb3-peri";
> > reg = <0 0xee060000 0 0x400>;
> > interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
> > clocks = <&cpg CPG_MOD 327>;
> > diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
> > index aa2b185..45410f3 100644
> > --- a/drivers/usb/gadget/udc/renesas_usb3.c
> > +++ b/drivers/usb/gadget/udc/renesas_usb3.c
> > @@ -2506,6 +2506,14 @@ static void renesas_usb3_init_ram(struct renesas_usb3 *usb3, struct device *dev,
> > .compatible = "renesas,r8a7795-usb3-peri",
> > .data = &renesas_usb3_priv_gen3,
> > },
> > + {
> > + .compatible = "renesas,r8a7796-usb3-peri",
> > + .data = &renesas_usb3_priv_gen3,
> > + },
> > + {
> > + .compatible = "renesas,rcar-gen3-usb3-peri",
> > + .data = &renesas_usb3_priv_gen3,
>
> What's the point of a common fallback if you list all the compatibles in
> the driver?
Thank you for the comment!
The renesas,r8a779[56]-usb3-peri don't need anymore.
So, I will fix this patch.
Best regards,
Yoshihiro Shimoda
> > + },
> > { },
> > };
> > MODULE_DEVICE_TABLE(of, usb3_of_match);
> > --
> > 1.9.1
> >
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