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