Hi Billy, On Mon, 28 Aug 2023 at 09:33, Billy Tsai <billy_tsai@xxxxxxxxxxxxxx> wrote: > > On Thu, Aug 17, 2023 at 08:00:28PM +0800, Billy Tsai wrote: > > >> Document the compatible for aspeed,ast2600-pwm-tach device, which can > > >> support upto 16 PWM outputs and 16 fan tach input. > > >> > > >> Signed-off-by: Billy Tsai <billy_tsai@xxxxxxxxxxxxxx> > > >> --- > > >> .../bindings/hwmon/aspeed,g6-pwm-tach.yaml | 57 +++++++++++++++++++ > > >> 1 file changed, 57 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..1666304d0b0f > > >> --- /dev/null > > >> +++ b/Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml > > >> @@ -0,0 +1,57 @@ > > >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > >> +# Copyright (C) 2021 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 device driver > > >> + > > >> +maintainers: > > >> + - Billy Tsai <billy_tsai@xxxxxxxxxxxxxx> > > >> + > > >> +description: | > > >> + The ASPEED PWM controller can support upto 16 PWM outputs. > > >> + The ASPEED Fan Tacho controller can support upto 16 fan tach input. > > >> + > > >> +properties: > > >> + compatible: > > >> + enum: > > >> + - aspeed,ast2600-pwm-tach > > >> + > > >> + reg: > > >> + maxItems: 1 > > >> + > > >> + clocks: > > >> + maxItems: 1 > > >> + > > >> + resets: > > >> + maxItems: 1 > > >> + > > >> + "#pwm-cells": > > >> + const: 3 > > >> + > > >> + aspeed,fan-tach-ch: > > >> + description: Specify the Fan tach input channels. > > >> + $ref: "/schemas/types.yaml#/definitions/uint8-array" > > > > >This property is already defined in aspeed-pwm-tacho.txt as a single u8 > > >that goes in a fan node. You can't redefine its type and location here. > > > > Hi Rob, > > > > I didn't redefine the type of property. The type of the aspeed,fan-tach-ch is unit8-array > > in aspeed-pwm-tacho.txt. > > https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt#L48 > > https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt#L71 > > > > >To repeat what I've said in previous versions, work with others to > > >define a common fan and fan controller binding. Otherwise, anything new > > >with fan related properties is simply going to be rejected. > > > > Okay I will try to work with Naresh for defining a common fan binding. > > > > Thanks for your suggestion. > > > > Hi Naresh, > > > > As Rob mentioned, it would be advisable for my dt-bindings to reference the common fan bindings instead of introducing specific properties. > > I noticed that you have already submitted a related patch to the community, which seems to be pending for around 10 months. > > https://lore.kernel.org/lkml/20221116213615.1256297-2-Naresh.Solanki@xxxxxxxxxxxxx/ > > Do you have plans to send the next version of the patch? Alternatively, can I proceed to cherry-pick this version of the patch and continue with > > the upstreaming process in my patch serial? Sure, go ahead. Regards, Naresh > > > > Thanks > > Best Regards, > > Billy Tsai