# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause # Copyright (C) 2021 GE Inc. # Copyright (C) 2021 Collabora Ltd. %YAML 1.2 --- $id: http://devicetree.org/schemas/misc/ge-achc.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: GE Healthcare USB Management Controller description: | A device which handles data acquisition from compatible USB based peripherals. SPI is used for device management. Note: This device does not expose the peripherals as USB devices. maintainers: - Sebastian Reichel <sre@kernel.org> properties: compatible: items: - const: ge,achc - const: nxp,kinetis-k20 clocks: maxItems: 1 vdd-supply: description: Digital power supply regulator on VDD pin vdda-supply: description: Analog power supply regulator on VDDA pin reg: items: - description: Control interface - description: Firmware programming interface reset-gpios: description: GPIO used for hardware reset. maxItems: 1 required: - compatible - clocks - reg - reset-gpios additionalProperties: false examples: - | #include <dt-bindings/gpio/gpio.h> spi { #address-cells = <1>; #size-cells = <0>; spi@1 { compatible = "ge,achc", "nxp,kinetis-k20"; reg = <1>, <0>; clocks = <&achc_24M>; reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>; }; };