linux-kernel - Re: [PATCH 02/11] dt-bindings: pinctrl: document access-controllers property for stm32 HDP

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Message-ID: <322e13df-5146-4dab-8f2a-6c635c82eb70@kernel.org>
Date: Sun, 11 Jan 2026 12:27:58 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Gatien Chevallier <gatien.chevallier@...s.st.com>,
 Suzuki K Poulose <suzuki.poulose@....com>, Mike Leach
 <mike.leach@...aro.org>, James Clark <james.clark@...aro.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Mathieu Poirier <mathieu.poirier@...aro.org>, Leo Yan <leo.yan@...ux.dev>,
 Clément Le Goffic <legoffic.clement@...il.com>,
 Linus Walleij <linusw@...nel.org>,
 Maxime Coquelin <mcoquelin.stm32@...il.com>,
 Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc: coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-gpio@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH 02/11] dt-bindings: pinctrl: document access-controllers
 property for stm32 HDP

On 09/01/2026 11:55, Gatien Chevallier wrote:
> HDP being functional depends on the debug configuration on the platform
> that can be checked using the access-controllers property, document it.
> 
> Signed-off-by: Gatien Chevallier <gatien.chevallier@...s.st.com>
> ---
>  Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml b/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml
> index 845b6b7b7552..75054c1e4044 100644
> --- a/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml
> @@ -27,6 +27,10 @@ properties:
>    clocks:
>      maxItems: 1
>  
> +  access-controllers:
> +    minItems: 1
> +    maxItems: 2

You need to list the items. Why is this flexible?

Best regards,
Krzysztof