From c0fe557853f3d4b61c4e2e729061482f4da901db Mon Sep 17 00:00:00 2001 From: Sam Protsenko Date: Wed, 24 Jan 2024 19:38:57 -0600 Subject: [PATCH] arm64: dts: exynos: Add PDMA node for Exynos850 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 Link: https://lore.kernel.org/r/20240125013858.3986-3-semen.protsenko@linaro.org Signed-off-by: Krzysztof Kozlowski --- arch/arm64/boot/dts/exynos/exynos850.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos850.dtsi b/arch/arm64/boot/dts/exynos/exynos850.dtsi index da3f4a791e686..e7e1171a38649 100644 --- a/arch/arm64/boot/dts/exynos/exynos850.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos850.dtsi @@ -184,6 +184,16 @@ 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 = ; + arm,pl330-broken-no-flushp; + }; + gic: interrupt-controller@12a01000 { compatible = "arm,gic-400"; #interrupt-cells = <3>; -- 2.30.2