Re: [PATCH 1/3] arm64: dts: renesas: r9a08g046: Add USB2.0 placeholder nodes
Tommaso Merciai <[email protected]>
| Newsgroups | org.kernel.vger.linux-renesas-soc,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <ao1qq7HOKvoOC8-F@tom-desktop> |
Hi Geert, Thanks for your review. On Mon, Aug 24, 2026 at 04:36:10PM +0200, Geert Uytterhoeven wrote: > Hi Tommaso, > > On Tue, 18 Aug 2026 at 16:29, Tommaso Merciai > <[email protected]> wrote: > > The USB2.0 wiring on the RZ SMARC Carrier-II board is the same for the > > RZ/G3E and RZ/G3L SoMs, so the nodes belong in the shared > > renesas-smarc2.dtsi. Enabling them there breaks the RZ/G3L SMARC EVK > > build, as the r9a08g046 (RZ/G3L) SoC DTSI describes neither the USB2.0 > > host (OHCI/EHCI) nor function (HSUSB) instances: > > > > Error: arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi:94.1-7 Label or path ehci0 not found > > Error: arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi:99.1-7 Label or path ehci1 not found > > Error: arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi:104.1-8 Label or path hsusb0 not found > > Error: arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi:114.1-7 Label or path ohci0 not found > > Error: arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi:119.1-7 Label or path ohci1 not found > > > > Add minimal placeholder nodes carrying only the reg property. > > The remaining properties will be filled in once USB2.0 support for > > RZ/G3L is complete. > > > > Signed-off-by: Tommaso Merciai <[email protected]> > > --- > > arch/arm64/boot/dts/renesas/r9a08g046.dtsi | 25 ++++++++++++++++++++++ > > FTR, this conflicts with Biju's "[PATCH v7 6/9] arm64: dts: renesas: > r9a08g046: Add USB2.0 host/phy device nodes". which does add the real > device nodes. > > [1] https://lore.kernel.org/[email protected] I will send v2 picking [2] and [3] from [1], then I will rework [4] to properly disable common nodes from arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts. In this way we can drop this patch. [2] https://lore.kernel.org/all/[email protected]/ [3] https://lore.kernel.org/all/[email protected]/ [4] https://patchwork.kernel.org/project/linux-renesas-soc/patch/c2a9a45078773cd022cfec77578ed68c57921c73.1787062965.git.tommaso.merciai.xr@bp.renesas.com/ Kind regards, Tommaso > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected] > > 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