diff options
Diffstat (limited to 'Documentation/devicetree/bindings/phy')
| -rw-r--r-- | Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt index 9fb682e47c29..38c5fa21f435 100644 --- a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt +++ b/Documentation/devicetree/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: ========= |