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Message-ID: <20250312195951.1579682-2-jthies@google.com>
Date: Wed, 12 Mar 2025 19:59:10 +0000
From: Jameson Thies <jthies@...gle.com>
To: tzungbi@...nel.org, ukaszb@...omium.org, bleung@...omium.org,
heikki.krogerus@...ux.intel.com, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, groeck@...omium.org, swboyd@...omium.org,
akuchynski@...omium.org
Cc: devicetree@...r.kernel.org, chrome-platform@...ts.linux.dev,
linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
Jameson Thies <jthies@...gle.com>
Subject: [PATCH v1 1/3] dt-bindings: Add cros-ec-ucsi to cros-ec-typec device
tree documentation
Add documentation for the cros-ec-ucsi device tree definition. Defining
this node will load the cros_ec_ucsi driver which is used for USB-C port
control on PDC based ChromeOS systems. Additionally, update mantainers
list to reflect changes to the ChromeOS USB owners.
Signed-off-by: Jameson Thies <jthies@...gle.com>
---
.../bindings/chrome/google,cros-ec-typec.yaml | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
index 9f9816fbecbc..ab39c5280681 100644
--- a/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
+++ b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
@@ -8,17 +8,24 @@ title: Google Chrome OS EC(Embedded Controller) Type C port driver.
maintainers:
- Benson Leung <bleung@...omium.org>
- - Prashant Malani <pmalani@...omium.org>
+ - Abhishek Pandit-Subedi <abhishekpandit@...omium.org>
+ - Ćukasz Bartosik <ukaszb@...omium.org>
+ - Jameson Thies <jthies@...gle.com>
+ - Andrei Kuchynski <akuchynski@...omium.org>
description:
Chrome OS devices have an Embedded Controller(EC) which has access to
Type C port state. This node is intended to allow the host to read and
control the Type C ports. The node for this device should be under a
- cros-ec node like google,cros-ec-spi.
+ cros-ec node like google,cros-ec-spi. On TCPC systems, ChromeOS should
+ use cros-ec-typec. On PDC systems, ChromeOS should use cros-ec-ucsi.
properties:
compatible:
- const: google,cros-ec-typec
+ oneOf:
+ - items:
+ - const: google,cros-ec-typec
+ - const: google,cros-ec-ucsi
'#address-cells':
const: 1
--
2.49.0.rc0.332.g42c0ae87b1-goog
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