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arm64: tegra: Correct the UART for Jetson Xavier NX

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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: 3f9efbbe57 ("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>
This commit is contained in:
Jon Hunter 2020-11-11 10:41:17 +00:00 committed by Thierry Reding
parent fb31949693
commit 476e23f4c5
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi
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@ -54,7 +54,7 @@
status = "okay";
};
serial@c280000 {
serial@3100000 {
status = "okay";
};