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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/bcm-ns-usb2-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom Northstar USB 2.0 PHY
+
+description: >
+ To initialize USB 2.0 PHY driver needs to setup PLL correctly.
+ To do this it requires passing phandle to the USB PHY reference clock.
+
+maintainers:
+ - Rafał Miłecki <rafal@milecki.pl>
+
+properties:
+ compatible:
+ const: brcm,ns-usb2-phy
+
+ reg:
+ anyOf:
+ - maxItems: 1
+ description: PHY control register
+ - maxItems: 1
+ description: iomem address range of DMU (Device Management Unit)
+ deprecated: true
+
+ reg-names:
+ items:
+ - const: dmu
+
+ brcm,syscon-clkset:
+ description: phandle to syscon for clkset register
+ $ref: /schemas/types.yaml#/definitions/phandle
+
+ clocks:
+ items:
+ - description: USB PHY reference clock
+
+ clock-names:
+ items:
+ - const: phy-ref-clk
+
+ "#phy-cells":
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - "#phy-cells"
+
+oneOf:
+ - required:
+ - brcm,syscon-clkset
+ - required:
+ - reg-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/bcm-nsp.h>
+ phy@1800c164 {
+ compatible = "brcm,ns-usb2-phy";
+ reg = <0x1800c164 0x4>;
+ brcm,syscon-clkset = <&clkset>;
+ clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
+ clock-names = "phy-ref-clk";
+ #phy-cells = <0>;
+ };