patrick/zephyr
1
0
Fork 0
Code Issues Pull requests Actions 7 Packages Projects Releases Wiki Activity

boards: particle_xenon: add support for second UART on feather header

Browse source 
Provide devicetree configuration for UART2 on the mesh feather header.
The peripheral must be enabled in an overlay, optionally including a
provided overlay with the hardware flow control signals.

Signed-off-by: Peter A. Bigot <pab@pabigot.com>
This commit is contained in:
Peter A. Bigot 2020-05-30 09:27:35 -05:00 committed by Anas Nashif
parent 445576c8a2
commit 4263276cd1
2 changed files with 23 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
boards/arm/particle_xenon/dts/mesh_feather_uart2_rtscts.dtsi Normal file
View file

@ -0,0 +1,14 @@
/*
* Copyright (c) 2020 Peter Bigot Consulting, LLC
*
* SPDX-License-Identifier: Apache-2.0
*/
/* Add hardware flow control to UART2, which is exposed only on Xenon
* mesh boards.
*/
&uart1 {
rts-pin = <35>;
cts-pin = <43>;
/* optional mesh_feather_uart2_rtscts.dtsi */
};

9
boards/arm/particle_xenon/particle_xenon.dts
View file

@ -26,3 +26,12 @@
full-ohms = <(2100000 + 806000)>;
};
};
&uart1 { /* feather UART2 */
compatible = "nordic,nrf-uarte";
current-speed = <115200>;
status = "disabled";
tx-pin = <40>;
rx-pin = <42>;
/* optional mesh_feather_uart2_rtscts.dtsi */
};