dt-bindings: i2c: dw: Document compatible thead,th1520-i2c

Add documentation for compatible string thead,th1520-i2c which can be
used specifically for the TH1520 SoC.

Signed-off-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>

diff --git a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
index d9293c57f573c0534adb777f88efad95e5da6c85..60035a787e5c066731c02dafed761200afdda124 100644 (file)
--- a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
@@ -33,6 +33,10 @@ properties:
           - const: snps,designware-i2c
       - description: Baikal-T1 SoC System I2C controller
         const: baikal,bt1-sys-i2c
+      - description: T-HEAD TH1520 SoCs I2C controller
+        items:
+          - const: thead,th1520-i2c
+          - const: snps,designware-i2c
 
   reg:
     minItems: 1