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dts: rp1: Set per-channel DMA burst limit

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Give the DMAC property "snps,axi-max-burst-len" a value for each DMA
channel, encoding the fact that channels 1 and 2 are more capable
("heavy").

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
This commit is contained in:
Phil Elwell
2025-08-12 09:18:24 +01:00
committed by Dom Cobley
parent 111f3e3b96
commit aef90f4c63
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/boot/dts/broadcom/rp1.dtsi
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@@ -1111,7 +1111,7 @@
snps,data-width = <4>; // (8 << 4) == 128 bits snps,data-width = <4>; // (8 << 4) == 128 bits
snps,block-size = <0x40000 0x40000 0x40000 0x40000 0x40000 0x40000 0x40000 0x40000>; snps,block-size = <0x40000 0x40000 0x40000 0x40000 0x40000 0x40000 0x40000 0x40000>;
snps,priority = <0 1 2 3 4 5 6 7>; snps,priority = <0 1 2 3 4 5 6 7>;
snps,axi-max-burst-len = <4>; snps,axi-max-burst-len = <8 8 4 4 4 4 4 4>;
status = "disabled"; status = "disabled";
}; };