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| author | Joy Zou <joy.zou@nxp.com> | 2026-02-11 12:28:25 +0300 |
|---|---|---|
| committer | Frank Li <Frank.Li@nxp.com> | 2026-02-24 23:31:58 +0300 |
| commit | c915f81aa3c71247601edad955602d60d629fcdd (patch) | |
| tree | bb47401a2787d45a4ee928ce6e4f73fcab1984c6 | |
| parent | 8c2d3dd02d1a22d3f2c00ba98e90e283c1d0db20 (diff) | |
| download | linux-c915f81aa3c71247601edad955602d60d629fcdd.tar.xz | |
arm64: dts: imx95: Reserve eDMA channels 0-1 for V2X
Reserve eDMA channels 0 and 1 on the AXI eDMA controller for exclusive
use by V2X (Vehicle-to-Everything) fast hash operations.
Reviewed-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Tested-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Joy Zou <joy.zou@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx95.dtsi | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi index 0c55861d673c..5f61866e9df9 100644 --- a/arch/arm64/boot/dts/freescale/imx95.dtsi +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi @@ -636,6 +636,8 @@ reg = <0x42000000 0x210000>; #dma-cells = <3>; dma-channels = <64>; + /* channels 0 and 1 reserved for V2X fast hash */ + dma-channel-mask = <0x3>; interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>, |