[PATCH RFC 01/16] dt-bindings: hwmon: Convert aspeed,ast2400-pwm-tacho to DT schema

Andrew Jeffery andrew at codeconstruct.com.au
Thu Dec 18 09:00:51 AEDT 2025


On Wed, 2025-12-17 at 09:37 -0600, Rob Herring wrote:
> On Thu, Dec 11, 2025 at 2:46 AM Andrew Jeffery
> <andrew at codeconstruct.com.au> wrote:
> > 
> > From: "Rob Herring (Arm)" <robh at kernel.org>
> > 
> > Convert the ASpeed fan controller binding to DT schema format.
> > 
> > The '#cooling-cells' value used is 1 rather than 2. '#size-cells' is 0
> > rather 1.
> 
> Okay, I can't figure out why I thought '#cooling-cells' needed to be 1
> here. I don't see that anywhere in the tree. The driver for sure only
> supports 2, so anything that's not is an error in any case.

Yeah, I'd started doing some digging to understand your statement about
it needing to be 1 but hadn't got to the bottom of it.

If it can be 2 then great, I can fix up the #size-cells and resend.

Andrew


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