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     1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/phy/bcm-ns-usb2-phy.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Broadcom Northstar USB 2.0 PHY
    8 
    9 description: >
   10   To initialize USB 2.0 PHY driver needs to setup PLL correctly.
   11   To do this it requires passing phandle to the USB PHY reference clock.
   12 
   13 maintainers:
   14   - Rafał Miłecki <rafal@milecki.pl>
   15 
   16 properties:
   17   compatible:
   18     const: brcm,ns-usb2-phy
   19 
   20   reg:
   21     anyOf:
   22       - maxItems: 1
   23         description: PHY control register
   24       - maxItems: 1
   25         description: iomem address range of DMU (Device Management Unit)
   26         deprecated: true
   27 
   28   reg-names:
   29     items:
   30       - const: dmu
   31 
   32   brcm,syscon-clkset:
   33     description: phandle to syscon for clkset register
   34     $ref: /schemas/types.yaml#/definitions/phandle
   35 
   36   clocks:
   37     items:
   38       - description: USB PHY reference clock
   39 
   40   clock-names:
   41     items:
   42       - const: phy-ref-clk
   43 
   44   "#phy-cells":
   45     const: 0
   46 
   47 required:
   48   - compatible
   49   - reg
   50   - clocks
   51   - clock-names
   52   - "#phy-cells"
   53 
   54 oneOf:
   55   - required:
   56       - brcm,syscon-clkset
   57   - required:
   58       - reg-names
   59 
   60 additionalProperties: false
   61 
   62 examples:
   63   - |
   64     #include <dt-bindings/clock/bcm-nsp.h>
   65     phy@1800c164 {
   66         compatible = "brcm,ns-usb2-phy";
   67         reg = <0x1800c164 0x4>;
   68         brcm,syscon-clkset = <&clkset>;
   69         clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
   70         clock-names = "phy-ref-clk";
   71         #phy-cells = <0>;
   72     };
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