From: Rafał Miłecki <rafal@xxxxxxxxxx> Document binding of block responsible for initializing USB controllers (OHCI, EHCI, XHCI). Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx> --- .../reset/brcm,bcm4908-usb-reset.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/brcm,bcm4908-usb-reset.yaml diff --git a/Documentation/devicetree/bindings/reset/brcm,bcm4908-usb-reset.yaml b/Documentation/devicetree/bindings/reset/brcm,bcm4908-usb-reset.yaml new file mode 100644 index 000000000000..31beb1c8f3cd --- /dev/null +++ b/Documentation/devicetree/bindings/reset/brcm,bcm4908-usb-reset.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/brcm,bcm4908-usb-reset.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM4908 USB host controller reset + +description: > + BCM4908 has a separated block controlling all USB controllers. It handles the + whole setup process and takes care of initializing PHYs at the right time + (state). + +maintainers: + - Rafał Miłecki <rafal@xxxxxxxxxx> + +properties: + compatible: + enum: + - brcm,bcm4908-usb-reset + + reg: + maxItems: 1 + + resets: + $ref: /schemas/types.yaml#/definitions/phandle + + phys: + minItems: 2 + maxItems: 2 + $ref: /schemas/types.yaml#/definitions/phandle-array + + phy-names: + items: + - const: usb2 + - const: usb3 + + "#reset-cells": + const: 0 + +required: + - compatible + - reg + - phys + - phy-names + - "#reset-cells" + +additionalProperties: true + +examples: + - | + reset-controller@8000c200 { + compatible = "brcm,bcm4908-usb-reset"; + reg = <0x8000c200 0x100>; + + phys = <&usb2_phy>, <&usb3_phy>; + phy-names = "usb2", "usb3"; + + #reset-cells = <0>; + }; -- 2.26.2
