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arm64: dts: colibri-imx8x: Add cma memory

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Add CMA in device tree and set its size to 416MiB for all
Colibri iMX8X.
The size is tuned to be enough to play full HD video using gst-play
and to fit in the SKU with the lowest amount of RAM (1GB).

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Philippe Schenker
2025-10-31 13:49:43 +01:00
committed by Shawn Guo
parent d4dc56d822
commit abc8424e7f
1 changed files with 13 additions and 0 deletions
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13
arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
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@@ -86,6 +86,19 @@ reg_usbh_vbus: regulator-usbh-vbus {
regulator-name = "usbh_vbus";
};
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
linux,cma {
compatible = "shared-dma-pool";
linux,cma-default;
reusable;
size = <0 0x1a000000>;
};
};
sound-card {
compatible = "simple-audio-card";
simple-audio-card,bitclock-master = <&dailink_master>;