1 files changed, 103 insertions, 0 deletions
diff --git a/dts/Bindings/phy/fsl,imx8mq-usb-phy.yaml b/dts/Bindings/phy/fsl,imx8mq-usb-phy.yaml
new file mode 100644
index 0000000000..dc3a3f709f
--- /dev/null
+++ b/dts/Bindings/phy/fsl,imx8mq-usb-phy.yaml
@@ -0,0 +1,103 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/fsl,imx8mq-usb-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX8MQ USB3 PHY
+
+maintainers:
+  - Li Jun <jun.li@nxp.com>
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx8mq-usb-phy
+      - fsl,imx8mp-usb-phy
+
+  reg:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: phy
+
+  power-domains:
+    maxItems: 1
+
+  vbus-supply:
+    description:
+      A phandle to the regulator for USB VBUS.
+
+  fsl,phy-tx-vref-tune-percent:
+    description:
+      Tunes the HS DC level relative to the nominal level
+    minimum: 94
+    maximum: 124
+
+  fsl,phy-tx-rise-tune-percent:
+    description:
+      Adjusts the rise/fall time duration of the HS waveform relative to
+      its nominal value
+    minimum: 97
+    maximum: 103
+
+  fsl,phy-tx-preemp-amp-tune-microamp:
+    description:
+      Adjust amount of current sourced to DPn and DMn after a J-to-K
+      or K-to-J transition. Default is 0 (disabled).
+    minimum: 0
+    maximum: 1800
+
+  fsl,phy-tx-vboost-level-microvolt:
+    description:
+      Adjust the boosted transmit launch pk-pk differential amplitude
+    minimum: 880
+    maximum: 1120
+
+  fsl,phy-comp-dis-tune-percent:
+    description:
+      Adjust the voltage level used to detect a disconnect event at the host
+      relative to the nominal value
+    minimum: 91
+    maximum: 115
+
+  fsl,phy-pcs-tx-deemph-3p5db-attenuation-db:
+    description:
+      Adjust TX de-emphasis attenuation in dB at nominal
+      3.5dB point as per USB specification
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 36
+
+  fsl,phy-pcs-tx-swing-full-percent:
+    description:
+      Scaling of the voltage defined by fsl,phy-tx-vboost-level-microvolt
+    minimum: 0
+    maximum: 100
+
+required:
+  - compatible
+  - reg
+  - "#phy-cells"
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx8mq-clock.h>
+    usb3_phy0: phy@381f0040 {
+        compatible = "fsl,imx8mq-usb-phy";
+        reg = <0x381f0040 0x40>;
+        clocks = <&clk IMX8MQ_CLK_USB1_PHY_ROOT>;
+        clock-names = "phy";
+        #phy-cells = <0>;
+    };