On 07/08/2024 09:11, Xu Yang wrote: > On Wed, Aug 07, 2024 at 07:59:02AM +0200, Krzysztof Kozlowski wrote: >> On 07/08/2024 07:57, Xu Yang wrote: >>> On Wed, Aug 07, 2024 at 07:48:43AM +0200, Krzysztof Kozlowski wrote: >>>> On 06/08/2024 18:11, Frank Li wrote: >>>>> On Tue, Aug 06, 2024 at 10:29:47AM +0200, Krzysztof Kozlowski wrote: >>>>>> On 06/08/2024 07:06, Xu Yang wrote: >>>>>>> The usb phy in i.MX95 is compatible with i.MX8MP's, this will add a >>>>>>> compatible "fsl,imx95-usb-phy" for i.MX95. Also change reg maxItems >>>>>>> to 2 since i.MX95 needs another regmap to control Type-C Assist (TCA) >>>>>>> block. Since i.MX95 usb phy is able to switch SS lanes, this will also >>>>>>> add orientation-switch and port property to the file. >>>>>>> >>>>>>> Signed-off-by: Xu Yang <xu.yang_2@xxxxxxx> >>>>>>> >>>>>>> --- >>>>>>> Changes in v2: >>>>>>> - replace minItems with description in reg property >>>>>>> - remove orientation-switch and port >>>>>>> - refer to usb-switch.yaml >>>>>>> - use unevaluatedProperties >>>>>>> > [...] >>>>>> >>>>>> ref should be rather in top-level. You can always disallow certain >>>>>> properties for devices, if they are really not applicable. >>>>> >>>>> There are some "required" in usb-switch.yaml, >>>>> >>>>> oneOf: >>>>> - required: >>>>> - port >>>>> - required: >>>>> - ports >>>>> >>>>> If put on the top, it may cause DTB check warning for other compatible >>>>> strings, which have not support usb-switch. >>>> >>>> Hm, indeed, that's unusual case to have such different devices in one >>>> schema. Did you test that above $ref in if: actually works? >>> >>> Yes, it works and this yaml pass dt_binding_check and dtbs_check. >> >> I know it passes, I am asking whether it actually works. Is the $ref >> actually effective? Is it properly applied? > > If imx95 usb phy node doesn't contain "orientation-switch" and "port", dtb check will > show below error: > > usb/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dtb: phy@4c1f0040: 'oneOf' conditional failed, one must be fixed: > 'port' is a required property > 'ports' is a required property > from schema $id: http://devicetree.org/schemas/phy/fsl,imx8mq-usb-phy.yaml# > > Do you want other test results? Thank you for confirmation, it's enough. Best regards, Krzysztof