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doc: Fixes for FEM documentation #11584

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Jun 23, 2023
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doc: Fixes for FEM documentation #11584

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22 changes: 11 additions & 11 deletions doc/nrf/app_dev/working_with_fem/index.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,7 @@ The following FEM implementations are supported:
To use it, set the :kconfig:option:`CONFIG_MPSL_FEM_NRF21540_GPIO` Kconfig option to ``y``.
* The nRF21540 GPIO+SPI implementation, see :ref:`ug_radio_fem_nrf21540_spi_gpio`.
To use it, set the :kconfig:option:`CONFIG_MPSL_FEM_NRF21540_GPIO_SPI` Kconfig option to ``y``.
* The nRF21540 2-pin simple GPIO implementation.
* The 2-pin simple GPIO implementation.
To use it, set the :kconfig:option:`CONFIG_MPSL_FEM_SIMPLE_GPIO` Kconfig option to ``y``.

It is possible to only use the :ref:`nrfxlib:mpsl_fem` API if your application does not require other MPSL features.
Expand Down Expand Up @@ -372,18 +372,18 @@ To use nRF21540 in SPI or mixed mode, complete the following steps:
};

fem_spi: &spi3 {
status = "okay";
status = "okay";
pinctrl-0 = <&spi3_default_alt>;
pinctrl-1 = <&spi3_sleep_alt>;
pinctrl-names = "default", "sleep";
cs-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;

nrf_radio_fem_spi: nrf21540_fem_spi@0 {
compatible = "nordic,nrf21540-fem-spi";
status = "okay";
reg = <0>;
spi-max-frequency = <8000000>;
};
cs-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;

nrf_radio_fem_spi: nrf21540_fem_spi@0 {
compatible = "nordic,nrf21540-fem-spi";
status = "okay";
reg = <0>;
spi-max-frequency = <8000000>;
};
};

In this example, the nRF21540 is controlled by the ``spi3`` bus.
Expand Down Expand Up @@ -615,7 +615,7 @@ Alternatively, add the shield in the project's :file:`CMakeLists.txt` file:

.. code-block:: none

set(SHIELD nrf21540_ek)
set(SHIELD nrf21540_ek)

To build with the |nRFVSC|, specify ``-DSHIELD=nrf21540_ek`` in the **Extra Cmake arguments** field.
See :ref:`cmake_options`.
Expand Down