/* * Copyright (c) 2020 Nordic Semiconductor ASA * * SPDX-License-Identifier: Apache-2.0 */ &pinctrl { spi3_default_alt: spi3_default_alt { group1 { psels = , , ; }; }; spi3_sleep_alt: spi3_sleep_alt { group1 { psels = , , ; low-power-enable; }; }; }; &spi3 { pinctrl-0 = <&spi3_default_alt>; pinctrl-1 = <&spi3_sleep_alt>; pinctrl-names = "default", "sleep"; cs-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>, <&gpio0 10 GPIO_ACTIVE_LOW>; at45db0: at45db041e@0 { compatible = "atmel,at45"; reg = <0>; spi-max-frequency = <15000000>; jedec-id = [1f 24 00]; size = <4194304>; sector-size = <65536>; block-size = <2048>; page-size = <256>; enter-dpd-delay = <2000>; exit-dpd-delay = <35000>; status = "disabled"; }; at45db1: at45db321e@1 { compatible = "atmel,at45"; reg = <1>; spi-max-frequency = <15000000>; jedec-id = [1f 27 01]; size = <33554432>; sector-size = <65536>; block-size = <4096>; page-size = <512>; use-udpd; enter-dpd-delay = <1000>; exit-dpd-delay = <180000>; status = "okay"; }; }; &uart0 { /* * Only TX is used in this sample, so disable RX to prevent UART * receiver from being enabled and consuming power. */ disable-rx; };