On Wed, Apr 21, 2021 at 4:38 AM Leizhen (ThunderTown) <thunder.leizhen@xxxxxxxxxx> wrote: > > > > On 2021/4/21 4:02, Rob Herring wrote: > > On Thu, Apr 15, 2021 at 03:31:05PM +0800, Zhen Lei wrote: > >> When there is more than one pl011 serial port present, the label property > >> allows a custom name to be used for briefly describe the usage or position > >> of each serial port. > >> > >> Without this "label" property, many dtbs_check warnings similar to the > >> following are reported: > >> arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dt.yaml: \ > >> serial@ffd74000: Additional properties are not allowed ('label' was unexpected) > >> From schema: Documentation/devicetree/bindings/serial/pl011.yaml > > > > I think this should go into serial.yaml instead. > > Yes,But if I add "label: true" into serial.yaml, it doesn't work. I haven't figured out why. Change the 'additionalProperties: false' to 'unevaluatedProperties: false'. > By the way, should "$ref: /schemas/serial.yaml#" be replaced with "$ref: /schemas/serial/serial.yaml#"? Oh, yes! Looks like it should be fixed for the other serial schemas too. There is a /schemas/serial.yaml schema from dt-schema which predates the kernel one, but it just has the $nodename. The kernel one is much more complete. Rob