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DTS: Add imx6q-display5-u-boot.dtsi file with u-boot specific properties

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This file setups UART5 based serial to be used as pre-relocation
console in the U-Boot proper.

On purpose pinux configuration is omitted here as it has been already
done in SPL. For early pre-relocation code we only need the serial
device from DTS.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Lukasz Majewski 2019-06-09 22:54:43 +02:00 committed by Stefano Babic
parent 7736a6e85f
commit bf99b63c59
1 changed files with 44 additions and 0 deletions
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arch/arm/dts/imx6q-display5-u-boot.dtsi Normal file
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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2019
* Lukasz Majewski, DENX Software Engineering, lukma@denx.de
*
* SPDX-License-Identifier: GPL-2.0+ or X11
*/
/*
* The minimal augmentation DTS U-Boot file to allow UART5
* configuration in the pre-relocation stage of U-Boot
* proper.
*
* As the same UART is already configured in SPL, we don't need
* setup pinmux for it again.
*/
/ {
aliases {
mmc0 = &usdhc4;
};
soc {
u-boot,dm-pre-reloc;
aips-bus@2100000 {
u-boot,dm-pre-reloc;
};
};
chosen {
stdout-path = &uart5;
};
};
&i2c3 {
at24@50 {
u-boot,i2c-offset-len = <2>;
};
};
&uart5 {
u-boot,dm-pre-reloc;
};