[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20221205020634.GA54922@ubuntu>
Date: Mon, 5 Dec 2022 11:06:50 +0900
From: Jung Daehwan <dh10.jung@...sung.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Alim Akhtar <alim.akhtar@...sung.com>,
Mathias Nyman <mathias.nyman@...el.com>,
Arnd Bergmann <arnd@...db.de>,
Linus Walleij <linus.walleij@...aro.org>,
Colin Ian King <colin.i.king@...il.com>,
Artur Bujdoso <artur.bujdoso@...il.com>,
Juergen Gross <jgross@...e.com>,
Tomer Maimon <tmaimon77@...il.com>,
"open list:USB SUBSYSTEM" <linux-usb@...r.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>,
"moderated list:ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES"
<linux-arm-kernel@...ts.infradead.org>,
"open list:ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES"
<linux-samsung-soc@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>, sc.suh@...sung.com,
taehyun.cho@...sung.com, jh0801.jung@...sung.com,
eomji.oh@...sung.com
Subject: Re: [RFC PATCH v1 1/2] dt-bindings: usb: samsung,exynos-xhci:
support Samsung Exynos xHCI Controller
On Thu, Dec 01, 2022 at 09:59:06AM +0100, Krzysztof Kozlowski wrote:
> On 01/12/2022 03:13, Daehwan Jung wrote:
> > Add the Samsung Exynos xHCI Controller bindings with DT schema format.
> >
> > Signed-off-by: Daehwan Jung <dh10.jung@...sung.com>
> > ---
> > .../bindings/usb/samsung,exynos-xhci.yaml | 25 +++++++++++++++++++
> > 1 file changed, 25 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/usb/samsung,exynos-xhci.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/usb/samsung,exynos-xhci.yaml b/Documentation/devicetree/bindings/usb/samsung,exynos-xhci.yaml
> > new file mode 100644
> > index 000000000000..c5dde53b6491
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/usb/samsung,exynos-xhci.yaml
> > @@ -0,0 +1,25 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: https://protect2.fireeye.com/v1/url?k=7899b46f-19e45c17-78983f20-74fe485fffb1-728a1b33a5d009dd&q=1&e=bdc50247-e986-43da-a15e-03ac6c3a25e8&u=http%3A%2F%2Fdevicetree.org%2Fschemas%2Fusb%2Fsamsung%2Cexynos-xhci.yaml%23
> > +$schema: https://protect2.fireeye.com/v1/url?k=ea1282f0-8b6f6a88-ea1309bf-74fe485fffb1-536f21757c62f28b&q=1&e=bdc50247-e986-43da-a15e-03ac6c3a25e8&u=http%3A%2F%2Fdevicetree.org%2Fmeta-schemas%2Fcore.yaml%23
> > +
> > +title: Samsung Exynos xHCI
> > +
> > +maintainers:
> > + - Daehwan Jung <dh10.jung@...sung.com>
> > +
> > +properties:
> > + compatible:
> > + const: samsung,exynos-xhci
> > +
> > +required:
> > + - compatible
> > +
> > +additionalProperties: false
> > +
>
> These do not look like complete bindings... What type of device has no
> resources at all, just compatible?
>
> Best regards,
> Krzysztof
>
>
It gets resources from dwc->xhci_resources as you can see
dwc3_host_init(usb/dwc3/host.c). I think it doesn't need to get another resource.
Best Regards,
Jung Daehwan
Powered by blists - more mailing lists