Hi Krzysztof, > > On 16/01/2024 08:49, Xu Yang wrote: > > Hi Krzysztof, > > > >> > >> On 12/01/2024 12:17, Xu Yang wrote: > >>> The i.MX93 needs a wakup clock to work properly. This will add compatible > >>> and restriction for i.MX93 platform. > >>> > >>> Signed-off-by: Xu Yang <xu.yang_2@xxxxxxx> > >>> > >>> --- > >>> Changes in v2: > >>> - no changes > >>> Changes in v3: > >>> - add clocks restriction > >>> --- > >>> .../devicetree/bindings/usb/ci-hdrc-usb2.yaml | 16 ++++++++++++++++ > >>> 1 file changed, 16 insertions(+) > >>> > >>> diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml b/Documentation/devicetree/bindings/usb/ci- > >> hdrc-usb2.yaml > >>> index b7e664f7395b..6e75099b6394 100644 > >>> --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml > >>> +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml > >>> @@ -57,6 +57,7 @@ properties: > >>> - enum: > >>> - fsl,imx8mm-usb > >>> - fsl,imx8mn-usb > >>> + - fsl,imx93-usb > >>> - const: fsl,imx7d-usb > >>> - const: fsl,imx27-usb > >>> - items: > >>> @@ -412,6 +413,21 @@ allOf: > >>> samsung,picophy-pre-emp-curr-control: false > >>> samsung,picophy-dc-vol-level-adjust: false > >>> > >>> + - if: > >>> + properties: > >>> + compatible: > >>> + contains: > >>> + const: fsl,imx93-usb > >>> + then: > >>> + properties: > >>> + clock-names: > >>> + items: > >>> + - const: usb_ctrl_root_clk > >>> + - const: usb_wakeup_clk > >>> + clocks: > >>> + minItems: 2 > >>> + maxItems: 2 > >> > >> Nothing improved regarding my comments. Why do you allow > >> any/unspecific/unconstrain interrupts and reg? > >> > >> You said: > >> "However, reset, reg and interrupts property is not special for imx93." > >> but what does it even mean? How they can be special or not special? > >> > >> My comments from previous version apply. If you do not want to work on > >> existing technical debt, BTW added by another NXP employee, then I will > >> NAK any new submissions. > > > > You want me to adjust below properties to be more common properties > > and add device specific limitations, right? > > Yes > > > > > --- > > reg: > > minItems: 1 > > maxItems: 2 > > > > interrupts: > > minItems: 1 > > maxItems: 2 > > > > clocks: > > minItems: 1 > > maxItems: 3 > > > > clock-names: > > minItems: 1 > > maxItems: 3 > > --- > > > > For most of the devices, property reg, interrupts, clocks and clock-names > > has 1 item. So these properties can set maxItems to 1. For special devices, > > I should list them standalone, is this your expectation? > > Just like you constrain clocks for new variant, your variant should have > constrained reg, interrupts and whatever else is there variable. I don't > require fixing all the devices in this binding, but at least your new > one and preferably other NXP as well. Okay. I will do this and test it. Thanks, Xu Yang