| /* | |
| * Copyright (c) 2020 Stephanos Ioannidis <root@stephanos.io> | |
| * | |
| * SPDX-License-Identifier: Apache-2.0 | |
| */ | |
| &sercom4 { | |
| /* Internally connect MOSI to MISO for loop-back operation */ | |
| dipo = <3>; | |
| dopo = <2>; | |
| 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>; | |
| }; | |
| }; |