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List:       linux-doc
Subject:    [PATCH] docs: admin-guide: kernel-parameters: Document earlycon options for i.MX UARTs
From:       Jonathan Neuschäfer <j.neuschaefer () gmx ! net>
Date:       2020-02-29 13:27:48
Message-ID: 20200229132750.2783-1-j.neuschaefer () gmx ! net
[Download RAW message or body]

drivers/tty/serial/imx.c implements these earlycon options.

Signed-off-by: Jonathan Neusch=C3=A4fer <j.neuschaefer@gmx.net>
=2D--
 Documentation/admin-guide/kernel-parameters.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentati=
on/admin-guide/kernel-parameters.txt
index 47cd55e339a5..d118ee5721b7 100644
=2D-- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1095,6 +1095,12 @@
 			A valid base address must be provided, and the serial
 			port must already be setup and configured.

+		ec_imx21,<addr>
+		ec_imx6q,<addr>
+			Start an early, polled-mode, output-only console on the
+			Freescale i.MX UART at the specified address. The UART
+			must already be setup and configured.
+
 		ar3700_uart,<addr>
 			Start an early, polled-mode console on the
 			Armada 3700 serial port at the specified
=2D-
2.20.1

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