| # Copyright (c) 2018, I-SENSE group of ICCS |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| # Common fields for SPI devices |
| |
| include: [base.yaml, power.yaml] |
| |
| on-bus: spi |
| |
| properties: |
| reg: |
| required: true |
| spi-max-frequency: |
| type: int |
| required: true |
| description: Maximum clock frequency of device's SPI interface in Hz |
| label: |
| required: true |
| duplex: |
| type: int |
| default: 0 |
| required: false |
| description: | |
| Duplex mode, full or half. By default it's always full duplex thus 0 |
| as this is, by far, the most common mode. |
| Use the macros not the actual enum value, here is the concordance |
| list (see dt-bindings/spi/spi.h) |
| 0 SPI_FULL_DUPLEX |
| 2048 SPI_HALF_DUPLEX |
| enum: |
| - 0 |
| - 2048 |
| frame-format: |
| type: int |
| default: 0 |
| required: false |
| description: | |
| Motorola or TI frame format. By default it's always Motorola's, |
| thus 0 as this is, by far, the most common format. |
| Use the macros not the actual enum value, here is the concordance |
| list (see dt-bindings/spi/spi.h) |
| 0 SPI_FRAME_FORMAT_MOTOROLA |
| 32768 SPI_FRAME_FORMAT_TI |
| enum: |
| - 0 |
| - 32768 |