[PATCH 2/6] dt-bindings: Add a binding for Mediatek xHCI host controller

[chunfeng.yun]

From: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>

add a DT binding documentation of xHCI host controller for
the MT8173 SoC from Mediatek.

Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/usb/mt8173-xhci.txt | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/mt8173-xhci.txt

diff --git a/Documentation/devicetree/bindings/usb/mt8173-xhci.txt b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
new file mode 100644
index 0000000..da28570
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
@@ -0,0 +1,19 @@
+MT65XX xhci
+
+The device node for Mediatek SOC usb3.0 host controller
+
+Required properties:
+ - compatible : supports "mediatek,mt8173-xhci", "generic-xhci"
+ - reg        : Offset and length of registers
+ - interrupts : Interrupt; mode, number and trigger
+ - usb-phy : the phy that xhci will bind
+ - usb3-lpm-capable: suppots USB3 LPM
+
+Example:
+usb: usb30@11270000 {
+	compatible = "mediatek,mt8173-xhci", "generic-xhci";
+	reg = <0 0x11270000 0 0x1000>;
+	interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
+	usb-phy = <&u3phy>;
+	usb3-lpm-capable;
+};
-- 
1.8.1.1.dirty

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