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From: Alain Volmat <alain.volmat@foss.st.com>
To: Andi Shyti <andi.shyti@kernel.org>, Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley
	<conor+dt@kernel.org>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre
 Torgue <alexandre.torgue@foss.st.com>,
        Pierre-Yves MORDRET
	<pierre-yves.mordret@foss.st.com>,
        Alain Volmat <alain.volmat@foss.st.com>
CC: Conor Dooley <conor@kernel.org>,
        Conor Dooley
	<conor.dooley@microchip.com>,
        <linux-i2c@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-stm32@st-md-mailman.stormreply.com>,
        <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v3 4/9] dt-bindings: i2c: document st,stm32mp25-i2c compatible
Date: Fri, 15 Dec 2023 18:06:08 +0100
Message-ID: <20231215170617.95868-5-alain.volmat@foss.st.com>
In-Reply-To: <20231215170617.95868-1-alain.volmat@foss.st.com>
References: <20231215170617.95868-1-alain.volmat@foss.st.com>
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Add a new compatible st,stm32mp25-i2c for the STM32MP25 series which
has only one interrupt line for both events and errors and differs in
term of handling of FastModePlus.

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
---
 .../devicetree/bindings/i2c/st,stm32-i2c.yaml | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
index 94b75d9f66cd..1b31b87c1800 100644
--- a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml
@@ -19,6 +19,7 @@ allOf:
               - st,stm32f7-i2c
               - st,stm32mp13-i2c
               - st,stm32mp15-i2c
+              - st,stm32mp25-i2c
     then:
       properties:
         i2c-scl-rising-time-ns:
@@ -41,6 +42,30 @@ allOf:
         clock-frequency:
           enum: [100000, 400000]
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - st,stm32f4-i2c
+              - st,stm32f7-i2c
+              - st,stm32mp13-i2c
+              - st,stm32mp15-i2c
+    then:
+      properties:
+        interrupts:
+          minItems: 2
+
+        interrupt-names:
+          minItems: 2
+    else:
+      properties:
+        interrupts:
+          maxItems: 1
+
+        interrupt-names:
+          maxItems: 1
+
 properties:
   compatible:
     enum:
@@ -48,6 +73,7 @@ properties:
       - st,stm32f7-i2c
       - st,stm32mp13-i2c
       - st,stm32mp15-i2c
+      - st,stm32mp25-i2c
 
   reg:
     maxItems: 1
@@ -56,11 +82,13 @@ properties:
     items:
       - description: interrupt ID for I2C event
       - description: interrupt ID for I2C error
+    minItems: 1
 
   interrupt-names:
     items:
       - const: event
       - const: error
+    minItems: 1
 
   resets:
     maxItems: 1
-- 
2.25.1