| /* |
| * Copyright (c) 2020 Erwin Rol <erwin@erwinrol.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| &rcc { |
| /* |
| * Reduce bus clock speed to be able |
| * to reach SPI_LOOPBACK_SLOW_FREQ = 500000 |
| * with max prescaler 256 |
| */ |
| apb2-prescaler = <2>; |
| }; |
| |
| &spi1 { |
| dmas = <&dmamux1 0 11 (STM32_DMA_PERIPH_TX | STM32_DMA_PRIORITY_HIGH) |
| &dmamux1 8 10 (STM32_DMA_PERIPH_RX | STM32_DMA_PRIORITY_HIGH)>; |
| dma-names = "tx", "rx"; |
| slow@0 { |
| compatible = "test-spi-loopback-slow"; |
| reg = <0>; |
| spi-max-frequency = <500000>; |
| }; |
| fast@0 { |
| compatible = "test-spi-loopback-fast"; |
| reg = <0>; |
| spi-max-frequency = <16000000>; |
| }; |
| }; |
| |
| &dma1 { |
| status = "okay"; |
| }; |
| |
| &dma2 { |
| status = "okay"; |
| }; |
| |
| &dmamux1 { |
| status = "okay"; |
| }; |
