On Mon, Dec 05, 2022 at 08:31:46AM +0100, Krzysztof Kozlowski wrote: > On 05/12/2022 03:06, Jung Daehwan wrote: > > 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@xxxxxxxxxxx> > >>> --- > >>> .../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@xxxxxxxxxxx> > >>> + > >>> +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. > > You refer to driver, but we talk about hardware. Not driver. Your > hardware has no resources, so this does not look like complete binding. > > Best regards, > Krzysztof > > It actually doesn't get new resources but shares resources of dwc3 driver. You mean it's not complete binding without resources? Is it okay if I add description about it? If not, could you suggest a good way? Best regards, Jung Daehwan