For some devices it is necessary to specify a different initial
mux mode to use after connection. E.g. some devices may not have
USB SS support but just USB HS and an alternate mode and thus
prefer TYPEC_MUX_NONE as default mode.
Signed-off-by: Mats Karrman <mats.dev.list@xxxxxxxxx>
---
Documentation/devicetree/bindings/usb/typec-mux.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/typec-mux.txt b/Documentation/devicetree/bindings/usb/typec-mux.txt
index 1e93973..ca960fc 100644
--- a/Documentation/devicetree/bindings/usb/typec-mux.txt
+++ b/Documentation/devicetree/bindings/usb/typec-mux.txt
@@ -8,6 +8,7 @@ Optional properties:
- 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.
+ - default-mux-mode: Mux mode to use after initial connection.
Example :
pi3usb30532@00 {
@@ -15,4 +16,5 @@ pi3usb30532@00 {
reg = <0x00>;
have-2ch-usbss;
have-4ch-am;
+ default-mux-mode = <2ch-usbss>;
};
--
2.7.4
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