> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlow...@linaro.org>
> Sent: Tuesday, May 17, 2022 10:54 PM
> To: Neal Liu <neal_...@aspeedtech.com>; Greg Kroah-Hartman
> <gre...@linuxfoundation.org>; Rob Herring <robh...@kernel.org>; Krzysztof
> Kozlowski <krzysztof.kozlowski...@linaro.org>; Joel Stanley <j...@jms.id.au>;
> Andrew Jeffery <and...@aj.id.au>; Felipe Balbi <ba...@kernel.org>; Sumit
> Semwal <sumit.sem...@linaro.org>; Christian König
> <christian.koe...@amd.com>; Geert Uytterhoeven <ge...@linux-m68k.org>;
> Li Yang <leoyang...@nxp.com>
> Cc: linux-asp...@lists.ozlabs.org; linux-...@vger.kernel.org;
> devicet...@vger.kernel.org; linux-arm-ker...@lists.infradead.org;
> linux-ker...@vger.kernel.org; linux-me...@vger.kernel.org;
> dri-devel@lists.freedesktop.org; linaro-mm-...@lists.linaro.org
> Subject: Re: [PATCH v2 2/3] ARM: dts: aspeed: Add USB2.0 device controller
> node
>
> On 17/05/2022 16:50, Neal Liu wrote:
> >> -----Original Message-----
> >> From: Krzysztof Kozlowski <krzysztof.kozlow...@linaro.org>
> >> Sent: Tuesday, May 17, 2022 8:00 PM
> >> To: Neal Liu <neal_...@aspeedtech.com>; Greg Kroah-Hartman
> >> <gre...@linuxfoundation.org>; Rob Herring <robh...@kernel.org>;
> >> Krzysztof Kozlowski <krzysztof.kozlowski...@linaro.org>; Joel Stanley
> >> <j...@jms.id.au>; Andrew Jeffery <and...@aj.id.au>; Felipe Balbi
> >> <ba...@kernel.org>; Sumit Semwal <sumit.sem...@linaro.org>; Christian
> >> König <christian.koe...@amd.com>; Geert Uytterhoeven
> >> <ge...@linux-m68k.org>; Li Yang <leoyang...@nxp.com>
> >> Cc: linux-asp...@lists.ozlabs.org; linux-...@vger.kernel.org;
> >> devicet...@vger.kernel.org; linux-arm-ker...@lists.infradead.org;
> >> linux-ker...@vger.kernel.org; linux-me...@vger.kernel.org;
> >> dri-devel@lists.freedesktop.org; linaro-mm-...@lists.linaro.org
> >> Subject: Re: [PATCH v2 2/3] ARM: dts: aspeed: Add USB2.0 device
> >> controller node
> >>
> >> On 17/05/2022 10:25, Neal Liu wrote:
> >>> Add USB2.0 device controller(udc) node to device tree for AST2600.
> >>>
> >>> Signed-off-by: Neal Liu <neal_...@aspeedtech.com>
> >>> ---
> >>> arch/arm/boot/dts/aspeed-g6.dtsi | 10 ++++++++++
> >>> 1 file changed, 10 insertions(+)
> >>>
> >>> diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi
> >>> b/arch/arm/boot/dts/aspeed-g6.dtsi
> >>> index 3d5ce9da42c3..5517313eb2b5 100644
> >>> --- a/arch/arm/boot/dts/aspeed-g6.dtsi
> >>> +++ b/arch/arm/boot/dts/aspeed-g6.dtsi
> >>> @@ -298,6 +298,16 @@ vhub: usb-vhub@1e6a0000 {
> >>> status = "disabled";
> >>> };
> >>>
> >>> + udc: udc@1e6a2000 {
> >>
> >> The same as DTS in bindings - generic node name, please.
> >>
> >
> > Is it possible to use "udc: usb-udc@1e6a2000" to distinguish it between
> > "vhub:
> usb-vhub@1e6a0000"?
>
> Possible yes :), but not recommended and not wanted. Nodes should be generic
> and prefixes are added only if there is no unit address. You can though use
> some more descriptive label.
>
"udc: usb@1e6a2000" is okay for you?
>
> Best regards,
> Krzysztof
