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arm64: dts: imx93: add cma area for i.MX93 11x11 EVK
author
Peng Fan
<peng.fan@nxp.com>
Sun, 25 Jun 2023 12:25:47 +0000
(20:25 +0800)
committer
Shawn Guo
<shawnguo@kernel.org>
Tue, 18 Jul 2023 03:14:08 +0000
(11:14 +0800)
Add CMA region for DMA usage.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
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diff --git
a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index
c50f46f
..
359ae86
100644
(file)
--- a/
arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/
arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@
-15,6
+15,20
@@
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";