[PATCH 3/5] dt-bindings: i2c: mt7621: Document an7581 compatible

Christian Marangi
2025-07-19T12:56:36Z

Airoha SoC implement the same Mediatek logic for I2C bus with the only
difference of not having a dedicated reset line to reset it.

Add a dedicated compatible for the Airoha AN7581 SoC and reject the
unsupported property.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
---
.../bindings/i2c/mediatek,mt7621-i2c.yaml | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/i2c/mediatek,mt7621-i2c.yaml b/Documentation/devicetree/bindings/i2c/mediatek,mt7621-i2c.yaml
index 118ec00fc190..38118007b601 100644
--- a/Documentation/devicetree/bindings/i2c/mediatek,mt7621-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/mediatek,mt7621-i2c.yaml
@@ -14,7 +14,9 @@ allOf:

properties:
compatible:
- const: mediatek,mt7621-i2c
+ enum:
+ - mediatek,mt7621-i2c
+ - airoha,an7581-i2c

reg:
maxItems: 1
@@ -38,6 +40,16 @@ required:
- "#address-cells"
- "#size-cells"

+if:
+ properties:
+ compatible:
+ contains:
+ const: airoha,an7581-i2c
+then:
+ properties:
+ resets: false
+ reset-names: false
+
unevaluatedProperties: false

examples:
--
2.50.0