From 6b9bceedb28ff3b3d0590b21e9ca4a52487bb22b Mon Sep 17 00:00:00 2001 From: Werner Date: Sun, 22 Aug 2021 07:16:39 +0200 Subject: [PATCH] Add note about SPI param --- docs/User-Guide_Armbian_overlays.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/docs/User-Guide_Armbian_overlays.md b/docs/User-Guide_Armbian_overlays.md index 474d4322..9d000cf8 100644 --- a/docs/User-Guide_Armbian_overlays.md +++ b/docs/User-Guide_Armbian_overlays.md @@ -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