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@xxxxxxxxxx>
---
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 da3f4a791e68..cd0a452cd6b4 100644
--- a/arch/arm64/boot/dts/exynos/exynos850.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos850.dtsi
@@ -197,6 +197,16 @@ gic: interrupt-controller@12a01000 {
IRQ_TYPE_LEVEL_HIGH)>;
};
+ pdma0: dma-controller@120c0000 {
+ compatible = "arm,pl330", "arm,primecell";
+ reg = <0x120c0000 0x1000>;
+ interrupts = <GIC_SPI 479 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cmu_core CLK_GOUT_PDMA_CORE_ACLK>;
+ clock-names = "apb_pclk";
+ arm,pl330-broken-no-flushp;
+ #dma-cells = <1>;
+ };
+
pmu_system_controller: system-controller@11860000 {
compatible = "samsung,exynos850-pmu", "syscon";
reg = <0x11860000 0x10000>;
--
2.39.2
