linux-kernel - [PATCH v2 02/11] dt-bindings: pinctrl: document access-controllers property for stm32 HDP

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Message-ID: <20260114-debug_bus-v2-2-5475c7841569@foss.st.com>
Date: Wed, 14 Jan 2026 11:29:16 +0100
From: Gatien Chevallier <gatien.chevallier@...s.st.com>
To: 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>,
        <jens.wiklander@...aro.org>
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>,
        Gatien Chevallier <gatien.chevallier@...s.st.com>
Subject: [PATCH v2 02/11] dt-bindings: pinctrl: document access-controllers
 property for stm32 HDP

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 | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml b/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml
index 845b6b7b7552..8f8b4b68aaa3 100644
--- a/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml
@@ -27,6 +27,12 @@ properties:
   clocks:
     maxItems: 1
 
+  access-controllers:
+    minItems: 1
+    items:
+      - description: debug configuration access controller
+      - description: access controller that manages the HDP as a peripheral
+
 patternProperties:
   "^hdp[0-7]-pins$":
     type: object

-- 
2.43.0