On 06/03/2022 07:10, Vincent Shih wrote: > Add bindings doc for Sunplus EHCI driver > > Signed-off-by: Vincent Shih <vincent.sunplus@xxxxxxxxx> > --- > Changes in v2: > - Address the comments by Rob Herring. > > .../bindings/usb/sunplus,sp7021-usb-ehci.yaml | 63 ++++++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 64 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml > > diff --git a/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml b/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml > new file mode 100644 > index 0000000..905f68c > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml > @@ -0,0 +1,63 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +# Copyright (C) Sunplus Co., Ltd. 2021 > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/usb/sunplus,sp7021-usb-ehci.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Sunplus SP7021 EHCI Controller Device Tree bindings s/Device Tree bindings// (title describes hardware) > + > +allOf: > + - $ref: usb-hcd.yaml# > + > +maintainers: > + - Vincent Shih <vincent.sunplus@xxxxxxxxx> > + > +properties: > + compatible: > + const: sunplus,sp7021-usb2-ehci You do not use this compatible in the driver. > + > + clocks: > + maxItems: 1 > + > + resets: > + minItems: 1 Suddenly it became minItems. This looks odd, it should be maxItems: 1 rather. How many reset lines do you have there? > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + phys: > + maxItems: 1 > + > + phy-names: > + maxItems: 1 phy-names needs list of names. > + > +required: > + - compatible > + - clocks > + - resets > + - reg > + - interrupts > + - phys > + - phy-names > + > +additionalProperties: false This should be unevaluatedProperties:false, because you reference usb-hcd schema. > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/irq.h> > + > + sp_ehci0: usb@9c102100 { > + compatible = "sunplus,sp7021-usb-ehci"; > + clocks = <&clkc 0x3a>; > + resets = <&rstc 0x2a>; > + reg = <0x9c102100 0x68>; reg goes after compatible in DTS. Best regards, Krzysztof