3d1fa70e80
Add device tree bindings for the Semtech SX1261 and SX1262 radios. These will be used by Zephyr's LoRa drivers. Signed-off-by: Andreas Sandberg <andreas@sandberg.pp.se>
57 lines
1.4 KiB
YAML
57 lines
1.4 KiB
YAML
# Copyright (c) 2019 Manivannan Sadhasivam
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# Copyright (c) 2020 Andreas Sandberg
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# SPDX-License-Identifier: Apache-2.0
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include: spi-device.yaml
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properties:
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reset-gpios:
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type: phandle-array
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required: true
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description: |
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GPIO connected to the modem's NRST signal.
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This signal is open-drain, active-low as interpreted by the
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modem.
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busy-gpios:
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type: phandle-array
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required: true
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description: |
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GPIO connected to the modem's BUSY signal.
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antenna-enable-gpios:
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type: phandle-array
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required: false
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description: |
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Antenna power enable pin.
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dio1-gpios:
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type: phandle-array
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required: true
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description: |
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GPIO connected to DIO1. This GPIO will be used as a generic
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IRQ line from the chip.
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dio2-tx-enable:
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type: boolean
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required: false
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description: |
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Use DIO2 to drive an RF switch selecting between the TX and RX
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paths. When enabled, DIO2 goes high when the chip is
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transmitting.
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dio3-tcxo-voltage:
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type: int
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required: false
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description: |
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TCXO supply voltage controlled by DIO3 if present.
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See constants in dt-bindings/lora/sx126x.h.
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tcxo-power-startup-delay-ms:
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type: int
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required: false
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description: |
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Startup delay to let the TCXO stabilize after TCXO power on.
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