1 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
2 # Copyright (C) 2021 GE Inc.
3 # Copyright (C) 2021 Collabora Ltd.
4 %YAML 1.2
5 ---
6 $id: http://devicetree.org/schemas/misc/ge-achc.yaml#
7 $schema: http://devicetree.org/meta-schemas/core.yaml#
8
9 title: GE Healthcare USB Management Controller
10
11 description: |
12 A device which handles data acquisition from compatible USB based peripherals.
13 SPI is used for device management.
14
15 Note: This device does not expose the peripherals as USB devices.
16
17 maintainers:
18 - Sebastian Reichel <sre@kernel.org>
19
20 properties:
21 compatible:
22 items:
23 - const: ge,achc
24 - const: nxp,kinetis-k20
25
26 clocks:
27 maxItems: 1
28
29 vdd-supply:
30 description: Digital power supply regulator on VDD pin
31
32 vdda-supply:
33 description: Analog power supply regulator on VDDA pin
34
35 reg:
36 items:
37 - description: Control interface
38 - description: Firmware programming interface
39
40 reset-gpios:
41 description: GPIO used for hardware reset.
42 maxItems: 1
43
44 required:
45 - compatible
46 - clocks
47 - reg
48 - reset-gpios
49
50 additionalProperties: false
51
52 examples:
53 - |
54 #include <dt-bindings/gpio/gpio.h>
55 spi {
56 #address-cells = <1>;
57 #size-cells = <0>;
58
59 spi@1 {
60 compatible = "ge,achc", "nxp,kinetis-k20";
61 reg = <1>, <0>;
62 clocks = <&achc_24M>;
63 reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
64 };
65 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.