On Wed, Oct 16, 2024 at 11:59:45AM +1300, Chris Packham wrote: > +properties: > + compatible: > + oneOf: > + - items: > + - enum: > + - realtek,rtl9302b-i2c > + - realtek,rtl9302c-i2c > + - realtek,rtl9303-i2c > + - const: realtek,rtl9301-i2c > + - const: realtek,rtl9301-i2c > + > + reg: > + description: Register offset and size this I2C controller. > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > +patternProperties: > + '^i2c@[0-7]$': > + $ref: /schemas/i2c/i2c-controller.yaml > + unevaluatedProperties: false > + > + properties: > + reg: > + description: The SDA pin associated with the I2C bus. > + maxItems: 1 > + > + required: > + - reg > + > +required: > + - compatible > + - reg > + > +unevaluatedProperties: false This has to be: additionalProperties: false > + > +examples: > + - | > + i2c@36c { > + compatible = "realtek,rtl9301-i2c"; > + reg = <0x36c 0x14>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + i2c@0 { > + reg = <0>; > + #address-cells = <1>; > + #size-cells = <0>; > + gpio@20 { > + compatible = "nxp,pca9555"; > + gpio-controller; > + #gpio-cells = <2>; > + reg = <0x20>; > + }; > + }; > + > + i2c@2 { > + reg = <2>; > + #address-cells = <1>; > + #size-cells = <0>; > + gpio@20 { > + compatible = "nxp,pca9555"; > + gpio-controller; > + #gpio-cells = <2>; > + reg = <0x20>; > + }; > + }; > + }; > + i2c@388 { > + compatible = "realtek,rtl9301-i2c"; > + reg = <0x388 0x14>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + i2c@7 { > + reg = <7>; > + #address-cells = <1>; > + #size-cells = <0>; > + }; > + }; Yoy have now multiple same examples. Keep only one, complete in the parent schema. > diff --git a/Documentation/devicetree/bindings/mfd/realtek,rtl9301-switch.yaml b/Documentation/devicetree/bindings/mfd/realtek,rtl9301-switch.yaml > new file mode 100644 > index 000000000000..f053303ab1e6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/realtek,rtl9301-switch.yaml > @@ -0,0 +1,114 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 Best regards, Krzysztof