Re: [PATCH 18/18] dt-bindings: devfreq: event: convert Rockchip DFI binding to yaml

From: Sascha Hauer <s.hauer@pengutronix.de>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: linux-pm@vger.kernel.org, linux-rockchip@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	Heiko Stuebner <heiko@sntech.de>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	MyungJoo Ham <myungjoo.ham@samsung.com>,
	Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	kernel@pegutronix.de,
	Michael Riesch <michael.riesch@wolfvision.net>
Subject: Re: [PATCH 18/18] dt-bindings: devfreq: event: convert Rockchip DFI binding to yaml
Date: Fri, 3 Feb 2023 17:02:14 +0100	[thread overview]
Message-ID: <20230203160214.GZ13319@pengutronix.de> (raw)
In-Reply-To: <ed9c3224-2f1a-c335-3028-6c23f40f57f4@kernel.org>

On Fri, Feb 03, 2023 at 04:14:56PM +0100, Krzysztof Kozlowski wrote:
> On 03/02/2023 13:50, Sascha Hauer wrote:
> > Convert the Rockchip DFI binding to yaml. While at it add the newly
> > supported rk3568-dfi to the binding.
> > 
> > Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> 
> Please use scripts/get_maintainers.pl to get a list of necessary people
> and lists to CC.  It might happen, that command when run on an older
> kernel, gives you outdated entries.  Therefore please be sure you base
> your patches on recent Linux kernel.

That's what I did. I skipped you and Rob because I know you're wathcing
the list anyway.

> > diff --git a/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.yaml b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.yaml
> > new file mode 100644
> > index 0000000000000..e082a0df7895a
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.yaml
> 
> rockchip,dfi.yaml

ok.

> 
> > @@ -0,0 +1,38 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/devfreq/event/rockchip-dfi.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Rockchip DFI
> > +
> > +maintainers:
> > +  - Sascha Hauer <s.hauer@pengutronix.de>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - rk3399-dfi
> > +      - rk3568-dfi
> 
> These are not correct compatibles.

What's wrong with them?

> 
> > +
> > +  clocks:
> > +    maxItems: 1
> > +
> > +  rockchip,pmu:
> > +    $ref: /schemas/types.yaml#/definitions/phandle
> > +    description:
> > +      Phandle to the syscon managing the "PMU general register files".
> > +
> > +required:
> > +  - compatible
> > +  - reg
> 
> clocks were required

They are no longer, the RK3568 doesn't have a clock. Do I have to add
something to make the clock optional on RK3568 only?

Sascha

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