Documentation/devicetree/bindings/phy/bcm-ns-usb2-phy.yaml

   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     items:
  22       - description: iomem address range of DMU (Device Management Unit)
  23
  24   reg-names:
  25     items:
  26       - const: dmu
  27
  28   clocks:
  29     items:
  30       - description: USB PHY reference clock
  31
  32   clock-names:
  33     items:
  34       - const: phy-ref-clk
  35
  36   "#phy-cells":
  37     const: 0
  38
  39 required:
  40   - compatible
  41   - reg
  42   - reg-names
  43   - clocks
  44   - clock-names
  45   - "#phy-cells"
  46
  47 additionalProperties: false
  48
  49 examples:
  50   - |
  51     #include <dt-bindings/clock/bcm-nsp.h>
  52     phy@1800c000 {
  53         compatible = "brcm,ns-usb2-phy";
  54         reg = <0x1800c000 0x1000>;
  55         reg-names = "dmu";
  56         clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
  57         clock-names = "phy-ref-clk";
  58         #phy-cells = <0>;
  59     };