Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 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 | }; |