[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <1577704195-2535-2-git-send-email-nkristam@nvidia.com>
Date: Mon, 30 Dec 2019 16:39:38 +0530
From: Nagarjuna Kristam <nkristam@...dia.com>
To: <balbi@...nel.org>, <gregkh@...uxfoundation.org>,
<thierry.reding@...il.com>, <jonathanh@...dia.com>,
<mark.rutland@....com>, <robh+dt@...nel.org>, <kishon@...com>
CC: <devicetree@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
"Nagarjuna Kristam" <nkristam@...dia.com>
Subject: [Patch V3 01/18] dt-bindings: phy: tegra-xusb: Add usb-role-switch
Add usb-role-switch property for Tegra210 and Tegra186 platforms. This
entry is used by XUSB pad controller driver to register for role changes
for OTG/Peripheral capable USB 2 ports.
Signed-off-by: Nagarjuna Kristam <nkristam@...dia.com>
Acked-by: Thierry Reding <treding@...dia.com>
---
V3:
- Added Acked-by updates to commit message.
---
V2:
- Moved usb-role-switch to seperate Required section as suggested by Thierry.
- Added reference to usb/usb-conn-gpio.txt for connector subnode.
---
.../devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
index 9fb682e..23bf354 100644
--- a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
+++ b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
@@ -174,6 +174,12 @@ Required properties:
- "device": for USB device mode
- "otg": for USB OTG mode
+Required properties for OTG/Peripheral capable USB2 ports:
+- usb-role-switch: Boolean property to indicate that the port support OTG or
+ peripheral mode. If present, the port supports switching between USB host
+ and peripheral roles. Connector should be added as subnode.
+ See usb/usb-conn-gpio.txt.
+
Optional properties:
- nvidia,internal: A boolean property whose presence determines that a port
is internal. In the absence of this property the port is considered to be
--
2.7.4
Powered by blists - more mailing lists