On 01/09/2017 07:26 PM, Sergei Shtylyov wrote:
> 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...
The CPPI 4.1 driver need it to manage the IRQ.
>
>> + 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...
Will fix it.
>
> [...]
>
> MBR, Sergei
>
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