This patch adds documentation of properties allowing the supported
set of mux modes to be restricted in situations where a bad mode
selection may have negative effects.
Signed-off-by: Mats Karrman <mats.dev.l...@gmail.com>
---
Documentation/devicetree/bindings/usb/typec-mux.txt | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/typec-mux.txt
diff --git a/Documentation/devicetree/bindings/usb/typec-mux.txt
b/Documentation/devicetree/bindings/usb/typec-mux.txt
new file mode 100644
index 0000000..1e93973
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/typec-mux.txt
@@ -0,0 +1,18 @@
+USB Type-C Multiplexer/DeMultiplexer Switch
+
+Optional properties:
+ - have-2ch-usbss : The hardware has support for 2ch USB SS.
+ - have-4ch-am : The hardware has support for 4ch Alternate Mode.
+ - have-2ch-usbss-2ch-am : The hardware has support for 2ch USB SS + 2ch
+ Alternate Mode.
+ - have-4ch-usbss : The hardware has support for 4ch USB SS.
+ - have-2ch-usbss-2ch-am-b : The hardware has support for 2ch USB SS + 2ch
+ Alternate Mode, alternate pair.
+
+Example :
+pi3usb30532@00 {
+ compatible = "pericom,pi3usb30532";
+ reg = <0x00>;
+ have-2ch-usbss;
+ have-4ch-am;
+};
--
2.7.4
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