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-rw-r--r--dts/Bindings/phy/nvidia,tegra124-xusb-padctl.txt24
1 files changed, 24 insertions, 0 deletions
diff --git a/dts/Bindings/phy/nvidia,tegra124-xusb-padctl.txt b/dts/Bindings/phy/nvidia,tegra124-xusb-padctl.txt
index 9fb682e47c..38c5fa21f4 100644
--- a/dts/Bindings/phy/nvidia,tegra124-xusb-padctl.txt
+++ b/dts/Bindings/phy/nvidia,tegra124-xusb-padctl.txt
@@ -37,6 +37,7 @@ Required properties:
- Tegra132: "nvidia,tegra132-xusb-padctl", "nvidia,tegra124-xusb-padctl"
- Tegra210: "nvidia,tegra210-xusb-padctl"
- Tegra186: "nvidia,tegra186-xusb-padctl"
+ - Tegra194: "nvidia,tegra194-xusb-padctl"
- reg: Physical base address and length of the controller's registers.
- resets: Must contain an entry for each entry in reset-names.
- reset-names: Must include the following entries:
@@ -62,6 +63,10 @@ For Tegra186:
- vclamp-usb-supply: Bias rail for USB pad. Must supply 1.8 V.
- vddio-hsic-supply: HSIC PHY power supply. Must supply 1.2 V.
+For Tegra194:
+- avdd-usb-supply: USB I/Os, VBUS, ID, REXT, D+/D- power supply. Must supply
+ 3.3 V.
+- vclamp-usb-supply: Bias rail for USB pad. Must supply 1.8 V.
Pad nodes:
==========
@@ -154,6 +159,11 @@ For Tegra210, the list of valid PHY nodes is given below:
- sata: sata-0
- functions: "usb3-ss", "sata"
+For Tegra194, the list of valid PHY nodes is given below:
+- usb2: usb2-0, usb2-1, usb2-2, usb2-3
+ - functions: "xusb"
+- usb3: usb3-0, usb3-1, usb3-2, usb3-3
+ - functions: "xusb"
Port nodes:
===========
@@ -174,6 +184,12 @@ 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
@@ -221,6 +237,11 @@ Optional properties:
is internal. In the absence of this property the port is considered to be
external.
+- maximum-speed: Only for Tegra194. A string property that specifies maximum
+ supported speed of a usb3 port. Valid values are:
+ - "super-speed-plus": default, the usb3 port supports USB 3.1 Gen 2 speed.
+ - "super-speed": the usb3 port supports USB 3.1 Gen 1 speed only.
+
For Tegra124 and Tegra132, the XUSB pad controller exposes the following
ports:
- 3x USB2: usb2-0, usb2-1, usb2-2
@@ -233,6 +254,9 @@ For Tegra210, the XUSB pad controller exposes the following ports:
- 2x HSIC: hsic-0, hsic-1
- 4x super-speed USB: usb3-0, usb3-1, usb3-2, usb3-3
+For Tegra194, the XUSB pad controller exposes the following ports:
+- 4x USB2: usb2-0, usb2-1, usb2-2, usb2-3
+- 4x super-speed USB: usb3-0, usb3-1, usb3-2, usb3-3
Examples:
=========