Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/iio/adc/microchip,mcp3201.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Microchip mcp3201 and similar ADCs |
| 8 | |
| 9 | maintainers: |
| 10 | - Oskar Andero <oskar.andero@gmail.com> |
| 11 | |
| 12 | description: | |
| 13 | Family of simple ADCs with a SPI interface. |
| 14 | |
| 15 | properties: |
| 16 | compatible: |
| 17 | enum: |
| 18 | - microchip,mcp3001 |
| 19 | - microchip,mcp3002 |
| 20 | - microchip,mcp3004 |
| 21 | - microchip,mcp3008 |
| 22 | - microchip,mcp3201 |
| 23 | - microchip,mcp3202 |
| 24 | - microchip,mcp3204 |
| 25 | - microchip,mcp3208 |
| 26 | - microchip,mcp3301 |
| 27 | - microchip,mcp3550-50 |
| 28 | - microchip,mcp3550-60 |
| 29 | - microchip,mcp3551 |
| 30 | - microchip,mcp3553 |
| 31 | |
| 32 | reg: |
| 33 | maxItems: 1 |
| 34 | |
| 35 | spi-cpha: true |
| 36 | spi-cpol: true |
| 37 | |
| 38 | vref-supply: |
| 39 | description: External reference. |
| 40 | |
| 41 | "#io-channel-cells": |
| 42 | const: 1 |
| 43 | |
| 44 | dependencies: |
| 45 | spi-cpol: [ spi-cpha ] |
| 46 | spi-cpha: [ spi-cpol ] |
| 47 | |
| 48 | required: |
| 49 | - compatible |
| 50 | - reg |
| 51 | - vref-supply |
| 52 | |
| 53 | allOf: |
| 54 | - $ref: /schemas/spi/spi-peripheral-props.yaml# |
| 55 | |
| 56 | unevaluatedProperties: false |
| 57 | |
| 58 | examples: |
| 59 | - | |
| 60 | spi { |
| 61 | #address-cells = <1>; |
| 62 | #size-cells = <0>; |
| 63 | |
| 64 | adc@0 { |
| 65 | compatible = "microchip,mcp3002"; |
| 66 | reg = <0>; |
| 67 | vref-supply = <&vref_reg>; |
| 68 | spi-cpha; |
| 69 | spi-cpol; |
| 70 | #io-channel-cells = <1>; |
| 71 | }; |
| 72 | adc@1 { |
| 73 | compatible = "microchip,mcp3002"; |
| 74 | reg = <1>; |
| 75 | vref-supply = <&vref_reg>; |
| 76 | spi-max-frequency = <1500000>; |
| 77 | }; |
| 78 | }; |
| 79 | ... |