Thread (8 messages) 8 messages, 2 authors, 2018-10-22

[v9 4/7] arm: dts: ls1021a: add qdma device tree nodes

From: Peng Ma <hidden>
Date: 2018-10-17 06:04:03
Also in: dmaengine, linux-arm-kernel, linux-devicetree, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

add the qDMA device tree nodes for LS1021A devices.

Signed-off-by: Wen He <redacted>
Signed-off-by: Peng Ma <redacted>
---
change in v9:
	- add interrupts for each virtual block 
	- add block-number
	- add block-offset

 arch/arm/boot/dts/ls1021a.dtsi |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index f184905..0b910e7 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -806,5 +806,25 @@
 			#size-cells = <1>;
 			ranges = <0x0 0x0 0x10010000 0x10000>;
 		};
+
+		qdma: dma-controller@8390000 {
+			compatible = "fsl,ls1021a-qdma";
+			reg = <0x0 0x8388000 0x0 0x1000>, /* Controller regs */
+			      <0x0 0x8389000 0x0 0x1000>, /* Status regs */
+			      <0x0 0x838a000 0x0 0x2000>; /* Block regs */
+			interrupts = <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "qdma-error",
+				"qdma-queue0", "qdma-queue1";
+			dma-channels = <8>;
+			block-number = <1>;
+			block-offset = <0x1000>;
+			fsl,dma-queues = <2>;
+			status-sizes = <64>;
+			queue-sizes = <64 64>;
+			big-endian;
+		};
+
 	};
 };
-- 
1.7.1
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