Re: [PATCH 1/3] ARM: dts: da850: Add the cppi41 dma node

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Hello.

On 01/09/2017 07:24 PM, Alexandre Bailon wrote:

This adds the device tree node for the cppi41 dma
used by the usb otg controller present in the da850 family of SoC's.

Signed-off-by: Alexandre Bailon <abailon@xxxxxxxxxxxx>
---
 arch/arm/boot/dts/da850.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 104155d..d6b406a 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -403,6 +403,22 @@
 			phy-names = "usb-phy";
 			status = "disabled";
 		};
+		cppi41dma: dma-controller@201000 {
+			compatible = "ti,da8xx-cppi41";
+			reg =  <0x200000 0x1000

   I don't remember any DA8xx glue regs having to do with the CPPI 4.1...

+				0x201000 0x1000
+				0x202000 0x1000
+				0x204000 0x4000>;
+			reg-names = "glue", "controller",
+				    "scheduler", "queuemgr";
+			interrupts = <58>;
+			interrupt-names = "glue";
+			#dma-cells = <2>;
+			#dma-channels = <4>;
+			#dma-requests = <256>;
+			status = "disabled";

   Why disabled? It doesn't use any external pins...

[...]

MBR, Sergei

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