linux-kernel - Re: [PATCH v2 2/8] dt-bindings: clock: document 8ULP's SIM LPAV

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Message-ID: <aPZTwf8O8tkqnDhx@lizhi-Precision-Tower-5810>
Date: Mon, 20 Oct 2025 11:22:41 -0400
From: Frank Li <Frank.li@....com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>,
	Abel Vesa <abelvesa@...nel.org>, Peng Fan <peng.fan@....com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Fabio Estevam <festevam@...il.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Daniel Baluta <daniel.baluta@....com>,
	Shengjiu Wang <shengjiu.wang@....com>, linux-clk@...r.kernel.org,
	imx@...ts.linux.dev, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Pengutronix Kernel Team <kernel@...gutronix.de>
Subject: Re: [PATCH v2 2/8] dt-bindings: clock: document 8ULP's SIM LPAV

On Sun, Oct 19, 2025 at 12:05:27PM +0200, Krzysztof Kozlowski wrote:
> On 17/10/2025 16:59, Frank Li wrote:
> > On Fri, Oct 17, 2025 at 04:20:19AM -0700, Laurentiu Mihalcea wrote:
> >> From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> >>
> >> Add documentation for i.MX8ULP's SIM LPAV module.
> >>
> >> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> >> ---
> >>  .../bindings/clock/fsl,imx8ulp-sim-lpav.yaml  | 72 +++++++++++++++++++
> >>  include/dt-bindings/clock/imx8ulp-clock.h     |  5 ++
> >>  .../dt-bindings/reset/fsl,imx8ulp-sim-lpav.h  | 16 +++++
> >>  3 files changed, 93 insertions(+)
> >>  create mode 100644 Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml
> >>  create mode 100644 include/dt-bindings/reset/fsl,imx8ulp-sim-lpav.h
> >>
> >> diff --git a/Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml b/Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml
> >> new file mode 100644
> >> index 000000000000..fb3b9028a4c3
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml
> >> @@ -0,0 +1,72 @@
> >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> >> +%YAML 1.2
> >> +---
> >> +$id: http://devicetree.org/schemas/clock/fsl,imx8ulp-sim-lpav.yaml#
> >> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >> +
> >> +title: NXP i.MX8ULP LPAV System Integration Module (SIM)
> >> +
> >> +maintainers:
> >> +  - Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> >> +
> >> +description:
> >> +  The i.MX8ULP LPAV subsystem contains a block control module known as
> >> +  SIM LPAV, which offers functionalities such as clock gating or reset
> >> +  line assertion/de-assertion.
> >> +
> >> +properties:
> >> +  compatible:
> >> +    const: fsl,imx8ulp-sim-lpav
> >> +
> >> +  reg:
> >> +    maxItems: 1
> >> +
> >> +  clocks:
> >> +    maxItems: 3
> >> +
> >> +  clock-names:
> >> +    items:
> >> +      - const: lpav_bus
> >> +      - const: hifi_core
> >> +      - const: hifi_plat
> >
> > dt prefer use -
>
>
> I don't think we ever expressed such preference. Where did you find it?

It should come from review message when submit binding-doc patch.  but I
can't find it now. But at least, compatible string and node-name use "-".

It'd better to add to writing-bindings.rst. It is hard to search whole
linux-devicetree mail list or brain may cheat me. It is good to keep
everything consistent.

like:
     " vs '
     VCC-supply vs vcc-supply
     ...

>
>
> > lpav-bus, ...
> Then just "bus" or "apb".

core, plat is also better than hifi_core, hifi_plat

Frank
>
>
>
> Best regards,
> Krzysztof