On 23/11/2022 07:16, Billy Tsai wrote: > Add the aspeed pwm device bindings which should be the child-node of > pwm-tach mfd. Subject: drop second, redundant "bindings". > > Signed-off-by: Billy Tsai <billy_tsai@xxxxxxxxxxxxxx> > --- > .../bindings/pwm/aspeed,ast2600-pwm.yaml | 54 +++++++++++++++++++ > 1 file changed, 54 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml > > diff --git a/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml > new file mode 100644 > index 000000000000..68a60fc73902 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml > @@ -0,0 +1,54 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +# Copyright (C) 2021 Aspeed, Inc. > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/pwm/aspeed,ast2600-pwm.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Aspeed Ast2600 PWM controller > + > +maintainers: > + - Billy Tsai <billy_tsai@xxxxxxxxxxxxxx> > + > +description: | > + The Aspeed PWM controller supports up to 16 PWM outputs. > + This module is part of the ast2600-pwm-tach multi-function device. For more > + details see ../mfd/aspeed,ast2600-pwm-tach.yaml. > + > +allOf: > + - $ref: pwm.yaml# > + > +properties: > + compatible: > + enum: > + - aspeed,ast2600-pwm > + > + "#pwm-cells": > + const: 3 Blank line. > +patternProperties: > + "^pwm@[a-z0-9]+$": > + description: Set extend properties for each pwm channel. Description is not a correct sentence. Description explains the hardware property you have here. > + type: object > + properties: > + reg: > + description: > + The pwm channel index. > + maxItems: 1 > + > + aspeed,wdt-reload-enable: > + type: boolean > + description: > + Enable the function of wdt reset reload duty point. > + > + aspeed,wdt-reload-duty-point: > + description: > + Define the duty point after wdt reset, 0 = 100% > + minimum: 0 > + maximum: 255 Why maximum is 255? Why 0=100%? 0 should be equal to 0 and maximum to some maximum value (e.g. 100%). If these are percents, use appropriate units. If these are not - what are these? You need a $ref in such case. > + required: > + - reg > + > +required: > + - compatible > + > +additionalProperties: false Best regards, Krzysztof