On 23/11/2022 07:16, Billy Tsai wrote: > Add device binding for aspeed pwm-tach device which is a multi-function > device include pwm and tach function. Subject: drop second, redundant "bindings". Also use proper PATCH prefix. > > Signed-off-by: Billy Tsai <billy_tsai@xxxxxxxxxxxxxx> > --- > .../bindings/mfd/aspeed,ast2600-pwm-tach.yaml | 73 +++++++++++++++++++ > 1 file changed, 73 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml > > diff --git a/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml b/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml > new file mode 100644 > index 000000000000..e2a7be2e0a18 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml > @@ -0,0 +1,73 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +# Copyright (C) 2021 Aspeed, Inc. > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mfd/aspeed,ast2600-pwm-tach.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: PWM Tach controller > + > +description: | > + The PWM Tach controller is represented as a multi-function device which > + includes: > + PWM > + Tach > + > +maintainers: > + - Billy Tsai <billy_tsai@xxxxxxxxxxxxxx> > + > +properties: > + compatible: > + items: > + - enum: > + - aspeed,ast2600-pwm-tach > + - const: syscon > + - const: simple-mfd > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + resets: > + maxItems: 1 If this is simple-mfd then it cannot take clocks or resets. Usually the recommendation for such case is: This is not simple-mfd, drop it. Drop also syscon and make a proper device. However I am surprised to see such change, so I have no clue why this was done. > + > + pwm: > + type: object > + $ref: "/schemas/pwm/aspeed,ast2600-pwm.yaml" Drop quotes. There is no such file. Are you sure you ordered the patches correctly? > + > + tach: > + type: object > + $ref: "/schemas/hwmon/aspeed,ast2600-tach.yaml" Drop quotes. There is no such file. > + > +required: > + - compatible > + - reg > + - clocks > + - resets Best regards, Krzysztof