0001 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/phy/bcm-ns-usb2-phy.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Broadcom Northstar USB 2.0 PHY
0008
0009 description: >
0010 To initialize USB 2.0 PHY driver needs to setup PLL correctly.
0011 To do this it requires passing phandle to the USB PHY reference clock.
0012
0013 maintainers:
0014 - Rafał Miłecki <rafal@milecki.pl>
0015
0016 properties:
0017 compatible:
0018 const: brcm,ns-usb2-phy
0019
0020 reg:
0021 anyOf:
0022 - maxItems: 1
0023 description: PHY control register
0024 - maxItems: 1
0025 description: iomem address range of DMU (Device Management Unit)
0026 deprecated: true
0027
0028 reg-names:
0029 items:
0030 - const: dmu
0031
0032 brcm,syscon-clkset:
0033 description: phandle to syscon for clkset register
0034 $ref: /schemas/types.yaml#/definitions/phandle
0035
0036 clocks:
0037 items:
0038 - description: USB PHY reference clock
0039
0040 clock-names:
0041 items:
0042 - const: phy-ref-clk
0043
0044 "#phy-cells":
0045 const: 0
0046
0047 required:
0048 - compatible
0049 - reg
0050 - clocks
0051 - clock-names
0052 - "#phy-cells"
0053
0054 oneOf:
0055 - required:
0056 - brcm,syscon-clkset
0057 - required:
0058 - reg-names
0059
0060 additionalProperties: false
0061
0062 examples:
0063 - |
0064 #include <dt-bindings/clock/bcm-nsp.h>
0065 phy@1800c164 {
0066 compatible = "brcm,ns-usb2-phy";
0067 reg = <0x1800c164 0x4>;
0068 brcm,syscon-clkset = <&clkset>;
0069 clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
0070 clock-names = "phy-ref-clk";
0071 #phy-cells = <0>;
0072 };
