linux-kernel - [PATCH RFC 18/22] usb: typec: mux: Introduce data

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Message-Id: <20250821-atcphy-6-17-v1-18-172beda182b8@kernel.org>
Date: Thu, 21 Aug 2025 15:39:10 +0000
From: Sven Peter <sven@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Felipe Balbi <balbi@...nel.org>, 
 Janne Grunau <j@...nau.net>, Alyssa Rosenzweig <alyssa@...enzweig.io>, 
 Neal Gompa <neal@...pa.dev>, Vinod Koul <vkoul@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, 
 Thinh Nguyen <Thinh.Nguyen@...opsys.com>, 
 Heikki Krogerus <heikki.krogerus@...ux.intel.com>, 
 Philipp Zabel <p.zabel@...gutronix.de>
Cc: linux-usb@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, asahi@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-phy@...ts.infradead.org, 
 Sven Peter <sven@...nel.org>, Hector Martin <marcan@...can.st>
Subject: [PATCH RFC 18/22] usb: typec: mux: Introduce data_role to mux
 state

From: Hector Martin <marcan@...can.st>

Some muxes may need to know the data role that is being switched to,
such as to direct the data pins to separate host/device controllers or
configure a unified PHY correctly.

Signed-off-by: Hector Martin <marcan@...can.st>
Signed-off-by: Sven Peter <sven@...nel.org>
---
 include/linux/usb/typec_mux.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/usb/typec_mux.h b/include/linux/usb/typec_mux.h
index 2489a7857d8e10a73450a66ee85b5068f401f047..89b64ed081aecaa70529aaa717579c0dc7a5f961 100644
--- a/include/linux/usb/typec_mux.h
+++ b/include/linux/usb/typec_mux.h
@@ -45,6 +45,7 @@ void *typec_switch_get_drvdata(struct typec_switch_dev *sw);
 struct typec_mux_state {
 	struct typec_altmode *alt;
 	unsigned long mode;
+	enum typec_data_role data_role;
 	void *data;
 };
 

-- 
2.34.1