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Add note about SPI param

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Werner
2021-08-22 07:16:39 +02:00
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parent 39cdbb4c38
commit 6b9bceedb2
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docs/User-Guide_Armbian_overlays.md
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@@ -112,7 +112,8 @@ Rework may include changing labels, references (phandles) and pinconf bindings.
Activating a device on SPI or I2S bus may require more than one overlay.
In case a bus overlay like `spi0` or `i2s0` exist for the target SoC they need to be activated in addition to a slave device overlay (provided or custom/user-made).
Please note that these overlays (`spi0`, `i2s0`) do not enable any slave devices (like spidev or I2S codec).
Please note that these overlays (`spi0`, `i2s0`) do not enable any slave devices (like spidev or I2S codec).
In [some cases](https://forum.armbian.com/topic/18824-spi-communication-nonfunctional-no-data-received/) it might be necessary to change `param_spidev_spi_bus` to `1`.
## Debugging