1/* 2 * Copyright (c) 2025 Javad Rahimipetroudi <javad.rahimipetroudi@mind.be> 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7/* NOTES: 8 * 1- BlackPill board may be offered with/without soldered flash chips, 9 * Modify the following configuration based on your chip properties. 10 * 2- If you are using V3.1 board, you may need to change miso port. Please 11 * check the schematic before any change. 12 */ 13 14&spi1 { 15 pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pb4 &spi1_mosi_pa7>; 16 pinctrl-names = "default"; 17 cs-gpios = <&gpioa 4 GPIO_ACTIVE_LOW>; 18 19 status = "okay"; 20 21 w25q64_spi: spi-nor-flash@0 { 22 compatible = "jedec,spi-nor"; 23 reg = <0>; 24 spi-max-frequency = <24000000>; 25 size = <DT_SIZE_M(64)>; /* 64 Mbits */ 26 status = "okay"; 27 jedec-id = [ef 40 17]; 28 has-dpd; 29 t-enter-dpd = <3500>; 30 t-exit-dpd = <3500>; 31 }; 32}; 33