[PATCH v5 06/10] arm64: dts: actions: Add DMA Controller for S700

Amit Singh Tomar
2020-07-02T15:05:04Z

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 <amittomer25@gmail.com>
---
Changes since v4:
* No change.
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