Commit d532b7e6 authored by Raviteja Garimella's avatar Raviteja Garimella Committed by Kishon Vijay Abraham I

dt-bindings: phy: Add DT bindings documentation for NS2 USB DRD PHY

This patch adds DT bindings documentation for NS2 DRD PHY driver.
Signed-off-by: default avatarRaviteja Garimella <raviteja.garimella@broadcom.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
parent d05c07c6
BROADCOM NORTHSTAR2 USB2 (DUAL ROLE DEVICE) PHY
Required properties:
- compatible: brcm,ns2-drd-phy
- reg: offset and length of the NS2 PHY related registers.
- reg-names
The below registers must be provided.
icfg - for DRD ICFG configurations
rst-ctrl - for DRD IDM reset
crmu-ctrl - for CRMU core vdd, PHY and PHY PLL reset
usb2-strap - for port over current polarity reversal
- #phy-cells: Must be 0. No args required.
- vbus-gpios: vbus gpio binding
- id-gpios: id gpio binding
Refer to phy/phy-bindings.txt for the generic PHY binding properties
Example:
usbdrd_phy: phy@66000960 {
#phy-cells = <0>;
compatible = "brcm,ns2-drd-phy";
reg = <0x66000960 0x24>,
<0x67012800 0x4>,
<0x6501d148 0x4>,
<0x664d0700 0x4>;
reg-names = "icfg", "rst-ctrl",
"crmu-ctrl", "usb2-strap";
id-gpios = <&gpio_g 30 0>;
vbus-gpios = <&gpio_g 31 0>;
};
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