From: Peng Fan <peng.fan@xxxxxxx> Add CMA region for DMA usage. Signed-off-by: Peng Fan <peng.fan@xxxxxxx> --- arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts index c50f46f06f62..359ae86f4e7e 100644 --- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts @@ -15,6 +15,20 @@ chosen { stdout-path = &lpuart1; }; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + linux,cma { + compatible = "shared-dma-pool"; + reusable; + alloc-ranges = <0 0x80000000 0 0x40000000>; + size = <0 0x10000000>; + linux,cma-default; + }; + }; + reg_vref_1v8: regulator-adc-vref { compatible = "regulator-fixed"; regulator-name = "vref_1v8"; -- 2.37.1