linux-kernel - [RFC PATCH v5 1/5] dt-bindings: arm: stm32: add compatible for syscon gcan node

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Message-Id: <20221017164231.4192699-2-dario.binacchi@amarulasolutions.com>
Date:   Mon, 17 Oct 2022 18:42:27 +0200
From:   Dario Binacchi <dario.binacchi@...rulasolutions.com>
To:     linux-kernel@...r.kernel.org
Cc:     michael@...rulasolutions.com,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Amarula patchwork <linux-amarula@...rulasolutions.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        Christophe Roullier <christophe.roullier@...s.st.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Patrice Chotard <patrice.chotard@...s.st.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com
Subject: [RFC PATCH v5 1/5] dt-bindings: arm: stm32: add compatible for syscon gcan node

Since commit ad440432d1f9 ("dt-bindings: mfd: Ensure 'syscon' has a
more specific compatible")
It is required to provide at least 2 compatibles string for syscon node.
This patch documents the new compatible for stm32f4 SoC to support
global/shared CAN registers access for bxCAN controllers.

Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>
Acked-by: Rob Herring <robh@...nel.org>

---

Changes in v5:
- Add Rob Herring's Acked-by tag.

 .../devicetree/bindings/arm/stm32/st,stm32-syscon.yaml          | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml b/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
index 6f846d69c5e1..8646350dac44 100644
--- a/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
+++ b/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
@@ -20,6 +20,7 @@ properties:
               - st,stm32-syscfg
               - st,stm32-power-config
               - st,stm32-tamp
+              - st,stm32f4-gcan
           - const: syscon
       - items:
           - const: st,stm32-tamp
@@ -42,6 +43,7 @@ if:
       contains:
         enum:
           - st,stm32mp157-syscfg
+          - st,stm32f4-gcan
 then:
   required:
     - clocks
-- 
2.32.0