> > Document the compatible for aspeed,ast2600-pwm-tach device, which can > > support up to 16 PWM outputs and 16 fan tach input. > > > > Signed-off-by: Billy Tsai <billy_tsai@xxxxxxxxxxxxxx> > > --- > > .../bindings/hwmon/aspeed,g6-pwm-tach.yaml | 69 +++++++++++++++++++ > > 1 file changed, 69 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml > > > > diff --git a/Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml b/Documentation/> devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml > > new file mode 100644 > > index 000000000000..c615fb10705c > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml > > @@ -0,0 +1,69 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +# Copyright (C) 2023 Aspeed, Inc. > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/hwmon/aspeed,g6-pwm-tach.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: ASPEED G6 PWM and Fan Tach controller > > + > > +maintainers: > > + - Billy Tsai <billy_tsai@xxxxxxxxxxxxxx> > > + > > +description: | > > + The ASPEED PWM controller can support up to 16 PWM outputs. > > + The ASPEED Fan Tacho controller can support up to 16 fan tach input. > > + They are independent hardware blocks, which are different from the > > + previous version of the ASPEED chip. > > + > > +properties: > > + compatible: > > + enum: > > + - aspeed,ast2600-pwm-tach > > + > > + reg: > > + maxItems: 1 > > + > > + clocks: > > + maxItems: 1 > > + > > + resets: > > + maxItems: 1 > > + > > + "#pwm-cells": > > + const: 3 > > + > > +patternProperties: > > + "^fan-[0-9]+$": > > + $ref: fan-common.yaml# > > + unevaluatedProperties: false > > + required: > > + - tach-ch > > + > > +required: > > + - reg > > + - clocks > > + - resets > > + - "#pwm-cells" > > + - compatible > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/clock/aspeed-clock.h> > > + pwm_tach: pwm-tach-controller@1e610000 { > > + compatible = "aspeed,ast2600-pwm-tach"; > > + reg = <0x1e610000 0x100>; > > + clocks = <&syscon ASPEED_CLK_AHB>; > > + resets = <&syscon ASPEED_RESET_PWM>; > > + #pwm-cells = <3>; > > + > > + fan-0 { > > + tach-ch = /bits/ 8 <0x0>; > > + }; > > + > > + fan-1 { > > + tach-ch = /bits/ 8 <0x1 0x2>; > > + }; > NAK on this based on how you are using pwm-fan in v10 discussion. See my > comments there. Okay, I will merge everything from the pwm-fan0 node into the fan-0 node and add the 'simple-bus' to the compatible string of the pwm_tach node. Thanks Billy Tsai
