1/* 2 * Copyright (c) 2021 STMicroelectronics 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7/* Set div-q to get test clk freq into acceptable SPI freq range */ 8&pll { 9 /delete-property/ div-q; 10 div-q = <8>; 11}; 12 13/* Define PLL1_Q as SPI1 kernel clock source */ 14&spi1 { 15 /delete-property/ clocks; 16 clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00001000>, 17 <&rcc STM32_SRC_PLL1_Q SPI123_SEL(0)>; 18 slow@0 { 19 compatible = "test-spi-loopback-slow"; 20 reg = <0>; 21 spi-max-frequency = <500000>; 22 }; 23 fast@0 { 24 compatible = "test-spi-loopback-fast"; 25 reg = <0>; 26 spi-max-frequency = <16000000>; 27 }; 28}; 29