ncs-door-lock-and-access-control/app/boards/nrf52840dk_nrf52840.overlay at 3482bdb7a9b93276a69e34cad4a0411390a3e244 · nrfconnect/ncs-door-lock-and-access-control · GitHub

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/*
 * Copyright (c) 2025 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */

&pinctrl {
	spi0_default_alt: spi0_default_alt {
		group1 {
			psels = <NRF_PSEL(SPIM_SCK, 1, 15)>,
				<NRF_PSEL(SPIM_MOSI, 1, 13)>,
				<NRF_PSEL(SPIM_MISO, 1, 14)>;
		};
	};

	spi0_sleep_alt: spi0_sleep_alt {
		group1 {
			psels = <NRF_PSEL(SPIM_SCK, 1, 15)>,
				<NRF_PSEL(SPIM_MOSI, 1, 13)>,
				<NRF_PSEL(SPIM_MISO, 1, 14)>;
			low-power-enable;
		};
	};
};

&spi0 {
	compatible = "nordic,nrf-spi";
	status = "okay";
	cs-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;

	pinctrl-0 = <&spi0_default_alt>;
	pinctrl-1 = <&spi0_sleep_alt>;
	pinctrl-names = "default", "sleep";

	nucleo_nfc@0 {
		compatible = "x-nucleo-nfc";
		reg = <0>;
		spi-max-frequency = <DT_FREQ_M(8)>;
		spi-cs-setup-delay-ns = <1000>;
		spi-cs-hold-delay-ns = <1000>;
		irq-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&gpio1 10 (GPIO_ACTIVE_LOW | GPIO_PULL_DOWN)>;
	};
};

&spi1 {
	status = "disabled";
};

&spi2 {
	status = "disabled";
};

&spi3 {
	status = "disabled";
};

/ {
	chosen {
		nordic,pm-ext-flash = &mx25r64;
	};

	psa_rng: psa-rng {
		compatible = "zephyr,psa-crypto-rng";
		status = "okay";
	};

	aliases {
		lock-sim-indicator = &led1; /* green LED2 on nRF52840DK */
	};
};

&mx25r64 {
	status = "okay";
};

&gpio0 {
	status = "okay";
	/* Use PORT event rather than GPIOTE IN event, to save power */
	sense-edge-mask = <0x00000008>; /* P0.03 */
};