[PATCH v4 06/10] arm64: dts: actions: Add DMA Controller for S700
From: Amit Singh Tomar <hidden>
Date: 2020-06-09 10:18:34
Also in:
linux-devicetree, lkml
Subsystem:
arm/actions semi architecture, the rest · Maintainers:
Andreas Färber, Manivannan Sadhasivam, Linus Torvalds
This commit adds DMA controller present on Actions S700, it differs from
S900 in terms of number of dma channels and requests.
Signed-off-by: Amit Singh Tomar <redacted>
---
Changes since v3:
* Fixed typo in commit message.
* Placed owl-s700-powergate.h in alphabetical order.
Changes since v2:
* added power-domain property as sps
is enabled now and DMA needs it.
Changes since v1:
* No Change.
Changes since RFC:
* No Change.
---
arch/arm64/boot/dts/actions/s700.dtsi | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/arm64/boot/dts/actions/s700.dtsi b/arch/arm64/boot/dts/actions/s700.dtsi
index f8eb72bb4125..2c78caebf515 100644
--- a/arch/arm64/boot/dts/actions/s700.dtsi
+++ b/arch/arm64/boot/dts/actions/s700.dtsi@@ -5,6 +5,7 @@ #include <dt-bindings/clock/actions,s700-cmu.h> #include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/power/owl-s700-powergate.h> #include <dt-bindings/reset/actions,s700-reset.h> / {
@@ -244,5 +245,19 @@ <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>; }; + + dma: dma-controller@e0230000 { + compatible = "actions,s700-dma"; + reg = <0x0 0xe0230000 0x0 0x1000>; + interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>; + #dma-cells = <1>; + dma-channels = <10>; + dma-requests = <44>; + clocks = <&cmu CLK_DMAC>; + power-domains = <&sps S700_PD_DMA>; + }; }; };
--
2.7.4
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