60 lines
1.3 KiB
Plaintext
60 lines
1.3 KiB
Plaintext
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/*
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* Copyright (c) 2021 Argentum Systems Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <freq.h>
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#include <atmel/saml21.dtsi>
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#include <dt-bindings/lora/sx126x.h>
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#include "saml21.dtsi"
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/ {
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aliases {
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lora0 = &lora;
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};
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soc {
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pinctrl@40002800 {
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ranges = <0x40002800 0x40002800 0x180>;
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portc: gpio@40002900 {
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compatible = "atmel,sam0-gpio";
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reg = <0x40002900 0x80>;
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label = "PORTC";
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gpio-controller;
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#gpio-cells = <2>;
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#atmel,pin-cells = <2>;
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};
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};
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};
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};
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/delete-node/ &dac;
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&sercom4 {
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/* SERCOM4 is used to interface with the internal LoRa radio */
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compatible = "atmel,sam0-spi";
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dipo = <0>;
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dopo = <1>;
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cs-gpios = <&portb 31 GPIO_ACTIVE_LOW>;
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#address-cells = <1>;
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#size-cells = <0>;
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lora: sx1276@0 {
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compatible = "semtech,sx1276";
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reg = <0>;
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label = "SX1276";
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reset-gpios = <&portb 15 GPIO_ACTIVE_LOW>; /* nRST */
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dio-gpios =
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<&portb 16 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, /* DIO0 */
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<&porta 11 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, /* DIO1 */
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<&porta 12 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, /* DIO2 */
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<&portb 17 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, /* DIO3 */
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<&porta 10 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, /* DIO4 */
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<&portb 0 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>; /* DIO5 */
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spi-max-frequency = <DT_FREQ_M(10)>;
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};
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};
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