[PATCH v2 7/8] dt-bindings: i2c: realtek,rtl9301-i2c: extend for RTL9607C support

Rustam Adilov
2026-03-19T17:59:42Z

Add the "realtek,rtl9607-i2c" compatible for i2c controller on the
RTL9607C SoC series.

Add a clocks property to the properties since RTL9607C requires it
along with the realtek,scl. And because RTL9607C is the only one that
requires the new clocks property, add "clocks: false" to everything
else.

Signed-off-by: Rustam Adilov <adilov@disroot.org>
---
.../bindings/i2c/realtek,rtl9301-i2c.yaml | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml b/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml
index f9a449fee2b0..35ced0dcf410 100644
--- a/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml
@@ -15,6 +15,8 @@ description:
assigned to either I2C controller.
RTL9310 SoCs have equal capabilities but support 12 common SDA lines which
can be assigned to either I2C controller.
+ RTL9607C SoCs have equal capabilities but each controller only supports 1
+ SCL/SDA line and require clocks.

properties:
compatible:
@@ -34,6 +36,7 @@ properties:
- enum:
- realtek,rtl9301-i2c
- realtek,rtl9310-i2c
+ - realtek,rtl9607-i2c

reg:
items:
@@ -51,6 +54,9 @@ properties:
The SCL line number of this I2C controller.
enum: [ 0, 1 ]

+ clocks:
+ maxItems: 1
+
patternProperties:
'^i2c@[0-9ab]$':
$ref: /schemas/i2c/i2c-controller.yaml
@@ -81,6 +87,18 @@ allOf:
then:
patternProperties:
'^i2c@[89ab]$': false
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: realtek,rtl9607-i2c
+ then:
+ required:
+ - realtek,scl
+ - clocks
+ else:
+ properties:
+ clocks: false

required:
- compatible
--
2.53.0