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[PATCH 4/6] arm64: dts: renesas: r9a09g077: Add USB2.0 support

Prabhakar posted 6 patches 5 months, 2 weeks ago
[PATCH 4/6] arm64: dts: renesas: r9a09g077: Add USB2.0 support
Posted by Prabhakar 5 months, 2 weeks ago 
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Add EHCI, OHCI, PHY and HSUSB nodes to RZ/T2H (R9A09G077) SoC DTSI.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 arch/arm64/boot/dts/renesas/r9a09g077.dtsi | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi b/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
index 5291ea9fc326..433e3317a324 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
@@ -299,6 +299,53 @@ gic: interrupt-controller@83000000 {
 			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;
 		};
 
+		ohci: usb@92040000 {
+			compatible = "generic-ohci";
+			reg = <0 0x92040000 0 0x100>;
+			interrupts = <GIC_SPI 586 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 408>;
+			phys = <&usb2_phy 1>;
+			phy-names = "usb";
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		ehci: usb@92040100 {
+			compatible = "generic-ehci";
+			reg = <0 0x92040100 0 0x100>;
+			interrupts = <GIC_SPI 586 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 408>;
+			phys = <&usb2_phy 2>;
+			phy-names = "usb";
+			companion = <&ohci>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		usb2_phy: usb-phy@92040200 {
+			compatible = "renesas,usb2-phy-r9a09g077";
+			reg = <0 0x92040200 0 0x700>;
+			interrupts = <GIC_SPI 586 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 408>,
+				 <&cpg CPG_CORE R9A09G077_USB_CLK>;
+			#phy-cells = <1>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		hsusb: usb@92041000 {
+			compatible = "renesas,usbhs-r9a09g077";
+			reg = <0 0x92041000 0 0x10000>;
+			interrupts = <GIC_SPI 587 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 588 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 589 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 408>;
+			phys = <&usb2_phy 3>;
+			phy-names = "usb";
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
 		sdhi0: mmc@92080000  {
 			compatible = "renesas,sdhi-r9a09g077",
 				     "renesas,sdhi-r9a09g057";
-- 
2.51.0
Re: [PATCH 4/6] arm64: dts: renesas: r9a09g077: Add USB2.0 support
Posted by Geert Uytterhoeven 5 months ago 
Hi Prabhakar,

On Thu, 21 Aug 2025 at 18:19, Prabhakar <prabhakar.csengg@gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Add EHCI, OHCI, PHY and HSUSB nodes to RZ/T2H (R9A09G077) SoC DTSI.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Thanks for your patch!

> --- a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r9a09g077.dtsi

> +               hsusb: usb@92041000 {
> +                       compatible = "renesas,usbhs-r9a09g077";
> +                       reg = <0 0x92041000 0 0x10000>;

"0x1000", as the region starting at 0x92043000 is marked reserved?
I can fix that while applying.

> +                       interrupts = <GIC_SPI 587 IRQ_TYPE_LEVEL_HIGH>,
> +                                    <GIC_SPI 588 IRQ_TYPE_LEVEL_HIGH>,
> +                                    <GIC_SPI 589 IRQ_TYPE_LEVEL_HIGH>;
> +                       clocks = <&cpg CPG_MOD 408>;
> +                       phys = <&usb2_phy 3>;
> +                       phy-names = "usb";
> +                       power-domains = <&cpg>;
> +                       status = "disabled";
> +               };
> +
>                 sdhi0: mmc@92080000  {
>                         compatible = "renesas,sdhi-r9a09g077",
>                                      "renesas,sdhi-r9a09g057";

The rest LGTM.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
Re: [PATCH 4/6] arm64: dts: renesas: r9a09g077: Add USB2.0 support
Posted by Lad, Prabhakar 5 months ago 
Hi Geert,

Thank you for the review.

On Wed, Sep 3, 2025 at 3:05 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
>
> Hi Prabhakar,
>
> On Thu, 21 Aug 2025 at 18:19, Prabhakar <prabhakar.csengg@gmail.com> wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> >
> > Add EHCI, OHCI, PHY and HSUSB nodes to RZ/T2H (R9A09G077) SoC DTSI.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Thanks for your patch!
>
> > --- a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
>
> > +               hsusb: usb@92041000 {
> > +                       compatible = "renesas,usbhs-r9a09g077";
> > +                       reg = <0 0x92041000 0 0x10000>;
>
> "0x1000", as the region starting at 0x92043000 is marked reserved?
> I can fix that while applying.
>
Ouch agreed, thank you for taking care of this (also for RZ/N2H patch).

Cheers,
Prabhakar

> > +                       interrupts = <GIC_SPI 587 IRQ_TYPE_LEVEL_HIGH>,
> > +                                    <GIC_SPI 588 IRQ_TYPE_LEVEL_HIGH>,
> > +                                    <GIC_SPI 589 IRQ_TYPE_LEVEL_HIGH>;
> > +                       clocks = <&cpg CPG_MOD 408>;
> > +                       phys = <&usb2_phy 3>;
> > +                       phy-names = "usb";
> > +                       power-domains = <&cpg>;
> > +                       status = "disabled";
> > +               };
> > +
> >                 sdhi0: mmc@92080000  {
> >                         compatible = "renesas,sdhi-r9a09g077",
> >                                      "renesas,sdhi-r9a09g057";
>
> The rest LGTM.
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds
Re: [PATCH 4/6] arm64: dts: renesas: r9a09g077: Add USB2.0 support
Posted by Geert Uytterhoeven 5 months ago 
On Wed, 3 Sept 2025 at 16:51, Lad, Prabhakar <prabhakar.csengg@gmail.com> wrote:
> On Wed, Sep 3, 2025 at 3:05 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > On Thu, 21 Aug 2025 at 18:19, Prabhakar <prabhakar.csengg@gmail.com> wrote:
> > > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> > >
> > > Add EHCI, OHCI, PHY and HSUSB nodes to RZ/T2H (R9A09G077) SoC DTSI.
> > >
> > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> >
> > > --- a/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
> > > +++ b/arch/arm64/boot/dts/renesas/r9a09g077.dtsi
> >
> > > +               hsusb: usb@92041000 {
> > > +                       compatible = "renesas,usbhs-r9a09g077";
> > > +                       reg = <0 0x92041000 0 0x10000>;
> >
> > "0x1000", as the region starting at 0x92043000 is marked reserved?
> > I can fix that while applying.
> >
> Ouch agreed, thank you for taking care of this (also for RZ/N2H patch).

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v6.18 with the above fixed.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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