> > On 02/02/2024 10:10, Xu Yang wrote: > > Hi Krzysztof, > > > >> > >> On 31/01/2024 12:43, Xu Yang wrote: > >>> Change reg, interrupts, clock and clock-names as common properties and add > >>> restrictions on them for different compatibles. > >>> > >>> Signed-off-by: Xu Yang <xu.yang_2@xxxxxxx> > >>> > >>> --- > >>> Changes in v4: > >>> - new patch since v3's discussion > >>> - split the reg, interrupts, clock and clock-names properties into > >>> common part and device-specific > >>> Changes in v5: > >>> - keep common property unchanged > >>> - make if-then more readable > >>> - remove non imx part > >>> --- > >>> .../devicetree/bindings/usb/ci-hdrc-usb2.yaml | 118 ++++++++++++++++++ > >>> 1 file changed, 118 insertions(+) > >>> > >>> diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml b/Documentation/devicetree/bindings/usb/ci- > >> hdrc-usb2.yaml > >>> index 3b56e0edb1c6..6ad3582051b8 100644 > >>> --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml > >>> +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml > >>> @@ -412,6 +412,124 @@ allOf: > >>> samsung,picophy-pre-emp-curr-control: false > >>> samsung,picophy-dc-vol-level-adjust: false > >>> > >>> + - if: > >>> + properties: > >>> + compatible: > >>> + const: fsl,imx27-usb > >>> + then: > >>> + properties: > >>> + clocks: > >>> + minItems: 3 > >>> + maxItems: 3 > >>> + clock-names: > >>> + minItems: 3 > >>> + maxItems: 3 > >>> + items: > >>> + anyOf: > >>> + - const: ipg > >>> + - const: ahb > >>> + - const: per > >> > >> This would be just: enum: [ipg, ahb, per], but in both cases I question > >> why the order should be flexible? Nothing in commit msg explains it. > > > > The driver will get the clock by clock-name, then the order should not > > matter. However, these three clock-names should be present at the same > > time. I should use enum then. > > Forgot to answer to this. > > Which driver? U-boot? OpenBSD? The one in my custom Linux kernel fork > (open-source and published on github)? Did you check all of them? I mean below driver in linux kernel tree. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/tree/drivers/usb/chipidea/ci_hdrc_imx.c?h=linux-6.1.y#n191 Thanks, Xu Yang