Typec orientation switch can be implemented as a consumer of mux
controller. So we can use mux controller to control simple gpio switch
or other types of switch. This will cover the following typec switch
use case: High Speed, Super Speed and Sideband switch.
Signed-off-by: Xu Yang <xu.yang_2@xxxxxxx>
---
Changes since v1:
- No changes.
.../bindings/connector/usb-connector.yaml | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml
index ae515651fc6b..47f53cdbf31a 100644
--- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
+++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
@@ -221,6 +221,24 @@ properties:
SNK_READY for non-pd link.
type: boolean
+ # The following are optional properties for "usb-c-connector".
+ mux-controls:
+ description: Mux controller node to use for orientation switch selection. This mux controller
+ could handle High Speed, Super Speed and Sideband switch use case one time. In orde to do so,
+ besides mux settings need to be properly configured for each switch under mux-controller node,
+ correct states should also be assigned to typec-switch-states parameter.
+ maxItems: 1
+
+ typec-switch-states:
+ description: An ordered u32 array describing the mux state value for each typec orientations.
+ Three states correspond to NONE(high impedance), NORMAL, REVERSE respectively. If there is
+ no HW mux state for NONE, use value of NORMAL or REVERSE for it. If this mux controller
+ handle more than 1 switch, correct states value need to be caculated according to the mux
+ settings.
+ minItems: 3
+ maxItems: 3
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+
dependencies:
sink-vdos-v1: [ 'sink-vdos' ]
sink-vdos: [ 'sink-vdos-v1' ]
--
2.34.1
