[PATCH] ARM: dts: add AM33XX EDMA support

Joel Fernandes joelf at ti.com
Mon Aug 26 12:40:49 EDT 2013


Hi Benoit,

On 08/26/2013 03:33 AM, Benoit Cousson wrote:
> Hi Sebastian,
> 
> Is this patch different from that one:
> http://www.mail-archive.com/linux-omap@vger.kernel.org/msg92176.html
> 
> Lokesh just pointed me this patch because it was missing for the SHAM/AES series
> from Mark Greer.
> 
> Bottom-line, I've just applied the original one along with a second one that was
> adding EDMA in SPI.

Sebastian just submitted another version of the patch [1]. This is the latest
version of the EDMA DT patch. If its ok, could you use this patch? You could
ignore all earlier versions.

[1] http://www.spinics.net/lists/arm-kernel/msg269712.html

Thanks,

-Joel

> Regards,
> Benoit
> 
> 
> On 23/08/2013 21:06, Sebastian Andrzej Siewior wrote:
>> From: Matt Porter <mdp at ti.com>
>>
>> Adds AM33XX EDMA support to the am33xx.dtsi as documented in
>> Documentation/devicetree/bindings/dma/ti-edma.txt
>>
>> Joel: Drop DT entries that are non-hardware-description for now as discussed
>> in [1]
>>
>> [1] https://patchwork.kernel.org/patch/2226761/
>>
>> Signed-off-by: Matt Porter <mporter at ti.com>
>> Signed-off-by: Joel A Fernandes <joelagnel at ti.com>
>> Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
>> ---
>> Could someone please pick this up?
>>
>>   arch/arm/boot/dts/am33xx.dtsi | 12 ++++++++++++
>>   1 file changed, 12 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
>> index 38b446b..784f774 100644
>> --- a/arch/arm/boot/dts/am33xx.dtsi
>> +++ b/arch/arm/boot/dts/am33xx.dtsi
>> @@ -96,6 +96,18 @@
>>               reg = <0x48200000 0x1000>;
>>           };
>>
>> +        edma: edma at 49000000 {
>> +            compatible = "ti,edma3";
>> +            ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
>> +            reg =    <0x49000000 0x10000>,
>> +                <0x44e10f90 0x10>;
>> +            interrupts = <12 13 14>;
>> +            #dma-cells = <1>;
>> +            dma-channels = <64>;
>> +            ti,edma-regions = <4>;
>> +            ti,edma-slots = <256>;
>> +        };
>> +
>>           gpio0: gpio at 44e07000 {
>>               compatible = "ti,omap4-gpio";
>>               ti,hwmods = "gpio1";
>>
> 




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