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arm64: dts: exynos: Add PDMA node for Exynos850

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Enable PDMA node. It's needed for multiple peripheral modules, like SPI.
Use "arm,pl330-broken-no-flushp" quirk, as otherwise SPI transfers in
DMA mode often fail with error like this:

    I/O Error: rx-1 tx-1 rx-f tx-f len-786 dma-1 res-(-5)

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20240125013858.3986-3-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
This commit is contained in:
Sam Protsenko 2024-01-24 19:38:57 -06:00 committed by Krzysztof Kozlowski
parent 21e4e8807b
commit c0fe557853
1 changed files with 10 additions and 0 deletions
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10
arch/arm64/boot/dts/exynos/exynos850.dtsi
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@ -184,6 +184,16 @@ timer@10040000 {
clock-names = "fin_pll", "mct";
};
pdma0: dma-controller@120c0000 {
compatible = "arm,pl330", "arm,primecell";
reg = <0x120c0000 0x1000>;
clocks = <&cmu_core CLK_GOUT_PDMA_CORE_ACLK>;
clock-names = "apb_pclk";
#dma-cells = <1>;
interrupts = <GIC_SPI 479 IRQ_TYPE_LEVEL_HIGH>;
arm,pl330-broken-no-flushp;
};
gic: interrupt-controller@12a01000 {
compatible = "arm,gic-400";
#interrupt-cells = <3>;