* How do /dev/ttyS* devices get assigned from the device tree?
@ 2016-07-08 16:58 Patrick Doyle
2016-07-09 19:37 ` Baruch Siach
0 siblings, 1 reply; 2+ messages in thread
From: Patrick Doyle @ 2016-07-08 16:58 UTC (permalink / raw)
To: linux-arm-kernel
Do they show up numerically in the sequence in which they appear in
the device tree?
Where could I learn more?
--wpd
^ permalink raw reply [flat|nested] 2+ messages in thread
* How do /dev/ttyS* devices get assigned from the device tree?
2016-07-08 16:58 How do /dev/ttyS* devices get assigned from the device tree? Patrick Doyle
@ 2016-07-09 19:37 ` Baruch Siach
0 siblings, 0 replies; 2+ messages in thread
From: Baruch Siach @ 2016-07-09 19:37 UTC (permalink / raw)
To: linux-arm-kernel
Hi Patrick,
On Fri, Jul 08, 2016 at 12:58:06PM -0400, Patrick Doyle wrote:
> Do they show up numerically in the sequence in which they appear in
> the device tree?
>
> Where could I learn more?
Adding devicetree ML to Cc.
You may use an "aliases" node for that, if your UART driver supports that. The
8250/16550 driver does. See arch/arm/boot/dts/aspeed-ast2500-evb.dts, for
example. Note though that the use of aliases for this purpose is contentious.
baruch
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2016-07-08 16:58 How do /dev/ttyS* devices get assigned from the device tree? Patrick Doyle
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