A variant of the TI TPS 6598x Type-C Port Switch and Power Delivery
controller known as Apple CD321x is present on boards with Apple SoCs
such as the M1. Add its compatible to the device tree binding.

Reviewed-by: Alyssa Rosenzweig <redacted>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sven Peter <redacted>
---
no changes since v2

changes since v1:
  - added robh's ack and alyssa's rb

 Documentation/devicetree/bindings/usb/ti,tps6598x.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml b/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml
index f6819bf2a3b5..a4c53b1f1af3 100644
--- a/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml
+++ b/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml

@@ -12,10 +12,14 @@ maintainers:
 description: |
   Texas Instruments 6598x Type-C Port Switch and Power Delivery controller
 
+  A variant of this controller known as Apple CD321x or Apple ACE is also
+  present on hardware with Apple SoCs such as the M1.
+
 properties:
   compatible:
     enum:
       - ti,tps6598x
+      - apple,cd321x
   reg:
     maxItems: 1
 

-- 
2.25.1