[v5] bus: add stm32 debug bus and coresight support for stm32mp1x platforms

[PATCH v5 02/12] dt-bindings: pinctrl: document access-controllers property for stm32 HDP

Posted by Gatien Chevallier 2 weeks, 2 days ago

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@foss.st.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
---
 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

Re: [PATCH v5 02/12] dt-bindings: pinctrl: document access-controllers property for stm32 HDP

Posted by Linus Walleij 1 week, 5 days ago

On Fri, Jan 23, 2026 at 11:40 AM Gatien Chevallier
<gatien.chevallier@foss.st.com> 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@foss.st.com>
> Acked-by: Rob Herring (Arm) <robh@kernel.org>

Acked-by: Linus Walleij <linusw@kernel.org>

Yours,
Linus Walleij