76 lines
2.4 KiB
YAML
76 lines
2.4 KiB
YAML
# Copyright (c) 2020 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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description: >
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This is a representation of the nRF21540 Radio Front-End module
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compatible: "nordic,nrf21540-fem"
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include: base.yaml
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properties:
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tx-en-gpios:
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type: phandle-array
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required: false
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description: >
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Gpio of the SOC controlling TX_EN pin of the nRF21540
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rx-en-gpios:
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type: phandle-array
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required: false
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description: >
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Gpio of the SOC controlling RX_EN pin of the nRF21540
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pdn-gpios:
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type: phandle-array
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required: false
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description: >
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Gpio of the SOC controlling PDN pin of the nRF21540
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ant-sel-gpios:
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type: phandle-array
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required: false
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description: >
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Gpio of the SOC controlling ANT-SEL pin of the nRF21540
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mode-gpios:
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type: phandle-array
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required: false
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description: >
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Gpio of the SOC controlling MODE pin of the nRF21540
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spi-if:
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type: phandle
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required: false
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description: >
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Reference to the nordic,nrf21540-fem-spi SPI bus interface.
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This must be present to support SPI control of the FEM.
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tx-en-settle-time-us:
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type: int
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default: 11
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description: >
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Settling time in microseconds from state PG to TX.
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Default value is based on Table 6 of the nRF21540 Product Specification (v1.0),
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and can be overridden for tuned configurations.
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rx-en-settle-time-us:
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type: int
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default: 11
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description: >
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Settling time in microseconds from state PG to RX.
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Default value is based on Table 6 of the nRF21540 Product Specification (v1.0),
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and can be overridden for tuned configurations.
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pdn-settle-time-us:
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type: int
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default: 18
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description: >
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Settling time in microseconds from state PD to PG.
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Default value is based on Table 6 of the nRF21540 Product Specification (v1.0),
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and can be overridden for tuned configurations.
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trx-hold-time-us:
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type: int
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default: 3
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description: >
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Power-off time in microseconds when changing from RX or TX to PG.
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Default value is based on Table 6 of the nRF21540 Product Specification (v1.0),
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and can be overridden for tuned configurations.
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