From: Amit Sunil Dhamne Date: Sun, 3 Nov 2024 03:43:28 +0000 (-0700) Subject: dt-bindings: connector: Add time property for Sink BC12 detection completion X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=9e5cb0978f7fc828363c55c58698a43b26069fec;p=users%2Fjedix%2Flinux-maple.git dt-bindings: connector: Add time property for Sink BC12 detection completion This commit adds a new time property for Battery charger (BC1.2) type detection completion process (based on BCv1.2 detection spec) when typec port connects in a potential sink role. BC1.2 detection is used by some Type C port controllers implementations (such as "maxim,max33359") to detect the type of charger port. Signed-off-by: Amit Sunil Dhamne Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20241103034402.2460252-2-amitsd@google.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml index 21a0c58c65cd..67700440e23b 100644 --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml @@ -283,6 +283,16 @@ properties: maximum: 200 default: 200 + sink-bc12-completion-time-ms: + description: Represents the max time in ms that a port in sink role takes + to complete Battery Charger (BC1.2) Detection. BC1.2 detection is a + hardware mechanism, which in some TCPC implementations, can run in + parallel once the Type-C connection state machine reaches the "potential + connect as sink" state. In TCPCs where this causes delays to respond to + the incoming PD messages, sink-bc12-completion-time-ms is used to delay + PD negotiation till BC1.2 detection completes. + default: 0 + dependencies: sink-vdos-v1: [ sink-vdos ] sink-vdos: [ sink-vdos-v1 ] @@ -426,6 +436,7 @@ examples: sink-wait-cap-time-ms = <465>; ps-source-off-time-ms = <835>; cc-debounce-time-ms = <101>; + sink-bc12-completion-time-ms = <500>; }; };