Thread (13 messages) read the whole thread 13 messages, 3 authors, 2018-12-06

Re: [v11 5/7] arm64: dts: ls1043a: add qdma device tree nodes

From: Shawn Guo <shawnguo@kernel.org>
Date: 2018-12-06 01:05:32
Also in: dmaengine, linux-devicetree, linuxppc-dev, lkml

On Tue, Oct 30, 2018 at 10:36:02AM +0800, Peng Ma wrote:
quoted hunk ↗ jump to hunk
add the qDMA device tree nodes for LS1043A devices.

Signed-off-by: Wen He <redacted>
Signed-off-by: Peng Ma <redacted>
---
change in v11:
	- no

 arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
index 7881e3d..d560141 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
@@ -734,6 +734,28 @@
 					<0000 0 0 3 &gic 0 156 0x4>,
 					<0000 0 0 4 &gic 0 157 0x4>;
 		};
+
+		qdma: dma-controller@8380000 {
+			compatible = "fsl,ls1021a-qdma", "fsl,ls1043a-qdma";
+			reg = <0x0 0x8380000 0x0 0x1000>, /* Controller regs */
+			      <0x0 0x8390000 0x0 0x10000>, /* Status regs */
+			      <0x0 0x83a0000 0x0 0x40000>; /* Block regs */
+			interrupts = <0 153 0x4>,
+				     <0 39 0x4>,
+				     <0 40 0x4>,
+				     <0 41 0x4>,
+				     <0 42 0x4>;
I know this dts file did not use GIC_SPI and IRQ_TYPE_xxx defines from
the beginning.  But please use them for new additions.

Shawn
+			interrupt-names = "qdma-error", "qdma-queue0",
+				"qdma-queue1", "qdma-queue2", "qdma-queue3";
+			dma-channels = <8>;
+			block-number = <1>;
+			block-offset = <0x10000>;
+			fsl,dma-queues = <2>;
+			status-sizes = <64>;
+			queue-sizes = <64 64>;
+			big-endian;
+		};
+
 	};
 
 	firmware {
-- 
1.7.1
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