[PATCH] dt-bindings: usb: Drop duplicate nvidia,tegra20-ehci.txt

["Rob Herring (Arm)" <robh@kernel.org>]

The nvidia,tegra20-ehci binding is already documented in
ci-hdrc-usb2.yaml, so drop the old text binding.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
---
 .../bindings/usb/nvidia,tegra20-ehci.txt      | 23 -------------------
 1 file changed, 23 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt

diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt b/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt
deleted file mode 100644
index f60785f73d3d..000000000000
--- a/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-Tegra SOC USB controllers
-
-The device node for a USB controller that is part of a Tegra
-SOC is as described in the document "Open Firmware Recommended
-Practice : Universal Serial Bus" with the following modifications
-and additions :
-
-Required properties :
- - compatible : For Tegra20, must contain "nvidia,tegra20-ehci".
-   For Tegra30, must contain "nvidia,tegra30-ehci".  Otherwise, must contain
-   "nvidia,<chip>-ehci" plus at least one of the above, where <chip> is
-   tegra114, tegra124, tegra132, or tegra210.
- - nvidia,phy : phandle of the PHY that the controller is connected to.
- - clocks : Must contain one entry, for the module clock.
-   See ../clocks/clock-bindings.txt for details.
- - resets : Must contain an entry for each entry in reset-names.
-   See ../reset/reset.txt for details.
- - reset-names : Must include the following entries:
-   - usb
-
-Optional properties:
- - nvidia,needs-double-reset : boolean is to be set for some of the Tegra20
-   USB ports, which need reset twice due to hardware issues.
-- 
2.47.2