5a36d380b5
Add Arduino compatible LoRaWAN shield based on SX1276 tranceiver from Semtech. Provide minimal documentation on how to use it. Tested with `nucleo_l073rz` platform. Signed-off-by: Marcin Niestroj <m.niestroj@emb.dev>
35 lines
1 KiB
Plaintext
35 lines
1 KiB
Plaintext
/*
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* Copyright (c) 2023 Marcin Niestroj
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/ {
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aliases {
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lora0 = &lora_semtech_sx1276mb1mas;
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};
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};
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&arduino_spi {
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status = "okay";
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cs-gpios = <&arduino_header 16 GPIO_ACTIVE_LOW>; /* D10 */
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lora_semtech_sx1276mb1mas: lora@0 {
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compatible = "semtech,sx1276";
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reg = <0x0>;
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spi-max-frequency = <DT_FREQ_M(1)>;
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reset-gpios = <&arduino_header 0 GPIO_ACTIVE_LOW>; /* A0 */
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dio-gpios = <&arduino_header 8 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, /* DIO0 is D2 */
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<&arduino_header 9 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, /* DIO1 is D3 */
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<&arduino_header 10 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, /* DIO2 is D4 */
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<&arduino_header 11 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, /* DIO3 is D5 */
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<&arduino_header 14 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, /* DIO4 is D8 */
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<&arduino_header 15 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>; /* DIO5 is D9 */
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rfo-enable-gpios = <&arduino_header 4 GPIO_ACTIVE_HIGH>; /* RXTX_EXT is A4 */
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};
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};
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