Thread (15 messages) 15 messages, 3 authors, 2020-06-06

Re: [PATCH v3 06/10] arm64: dts: actions: Add DMA Controller for S700

From: Manivannan Sadhasivam <hidden>
Date: 2020-06-03 08:30:20
Also in: linux-devicetree, lkml


On 2 June 2020 11:03:08 PM IST, Amit Singh Tomar [off-list ref] wrote:
This commit adds DAM controller present on Actions S700, it differs
DMA
quoted hunk ↗ jump to hunk
from
S900 in terms of number of dma channels and requests.

Signed-off-by: Amit Singh Tomar <redacted>
---
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..605594dd7a0e 100644
--- a/arch/arm64/boot/dts/actions/s700.dtsi
+++ b/arch/arm64/boot/dts/actions/s700.dtsi
@@ -6,6 +6,7 @@
#include <dt-bindings/clock/actions,s700-cmu.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/reset/actions,s700-reset.h>
+#include <dt-bindings/power/owl-s700-powergate.h>
Sort this alphabetically. 

Thanks, 
Mani
quoted hunk ↗ jump to hunk
/ {
	compatible = "actions,s700";
@@ -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>;
+		};
	};
};
-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.

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