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authorNagarjuna Kristam <nkristam@nvidia.com>2020-02-10 11:11:27 +0300
committerThierry Reding <treding@nvidia.com>2020-03-13 11:14:21 +0300
commit02cd06f2cc627e43206364da769389465bd781f9 (patch)
treef12d3f5ebec4e88d6afb3843d214be684d1fc0c6 /Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
parentc33635708528e7752294ff5b7fb4aa7c3c87b0fe (diff)
downloadlinux-02cd06f2cc627e43206364da769389465bd781f9.tar.xz
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@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt')
-rw-r--r--Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt6
1 files changed, 6 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 7d0089006e67..38c5fa21f435 100644
--- a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
+++ b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
@@ -184,6 +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