lkml.org 
[lkml]   [2020]   [Dec]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 5.9 031/152] arm64: tegra: Correct the UART for Jetson Xavier NX
Date
From: Jon Hunter <jonathanh@nvidia.com>

commit 476e23f4c540949ac5ea4fad4f6f6fa0e2d41f42 upstream.

The Jetson Xavier NX board routes UARTA to the 40-pin header and UARTC
to a 12-pin debug header. The UARTs can be used by either the Tegra
Combined UART (TCU) driver or the Tegra 8250 driver. By default, the
TCU will use UARTC on Jetson Xavier NX. Currently, device-tree for
Xavier NX enables the TCU and the Tegra 8250 node for UARTC. Fix this
by disabling the Tegra 8250 node for UARTC and enabling the Tegra 8250
node for UARTA.

Fixes: 3f9efbbe57bc ("arm64: tegra: Add support for Jetson Xavier NX")
Cc: stable@vger.kernel.org
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi
@@ -54,7 +54,7 @@
status = "okay";
};

- serial@c280000 {
+ serial@3100000 {
status = "okay";
};


\
 
 \ /
  Last update: 2020-12-01 10:40    [W:0.769 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site