xref: /freebsd/sys/contrib/device-tree/Bindings/phy/brcm,ns2-drd-phy.txt (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
1BROADCOM NORTHSTAR2 USB2 (DUAL ROLE DEVICE) PHY
2
3Required properties:
4 - compatible: brcm,ns2-drd-phy
5 - reg: offset and length of the NS2 PHY related registers.
6 - reg-names
7   The below registers must be provided.
8   icfg - for DRD ICFG configurations
9   rst-ctrl - for DRD IDM reset
10   crmu-ctrl - for CRMU core vdd, PHY and PHY PLL reset
11   usb2-strap - for port over current polarity reversal
12 - #phy-cells: Must be 0. No args required.
13 - vbus-gpios: vbus gpio binding
14 - id-gpios: id gpio binding
15
16Refer to phy/phy-bindings.txt for the generic PHY binding properties
17
18Example:
19	usbdrd_phy: phy@66000960 {
20			#phy-cells = <0>;
21			compatible = "brcm,ns2-drd-phy";
22			reg = <0x66000960 0x24>,
23			      <0x67012800 0x4>,
24			      <0x6501d148 0x4>,
25			      <0x664d0700 0x4>;
26			reg-names = "icfg", "rst-ctrl",
27				    "crmu-ctrl", "usb2-strap";
28			id-gpios = <&gpio_g 30 0>;
29			vbus-gpios = <&gpio_g 31 0>;
30	};
31