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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