Subject: [PATCH] ARM: DTS: am33xx: Use the new DT bindings for the eDMA3

From: [email-masked] (Tony Lindgren)
Date: Fri, 4 Dec 2015 10:47:07 -0800

* Felipe Balbi <[email-masked]> [151204 09:23]:
> 
> Hi,
> 
> Peter Ujfalusi <[email-masked]> writes:
> > @@ -174,12 +182,44 @@
> >  		};
> >  
> >  		edma: edma at 49000000 {
> > -			compatible = "ti,edma3";
> > -			ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
> > -			reg =	<0x49000000 0x10000>,
> > -				<0x44e10f90 0x40>;
> > +			compatible = "ti,edma3-tpcc";
> > +			ti,hwmods = "tpcc";
> > +			reg =	<0x49000000 0x10000>;
> > +			reg-names = "edma3_cc";
> >  			interrupts = <12 13 14>;
> > -			#dma-cells = <1>;
> > +			interrupt-names = "edma3_ccint", "emda3_mperr",
> > +					  "edma3_ccerrint";
> > +			dma-requests = <64>;
> > +			#dma-cells = <2>;
> > +
> > +			ti,tptcs = <&edma_tptc0 7>, <&edma_tptc1 5>,
> > +				   <&edma_tptc2 0>;
> > +
> > +			ti,edma-memcpy-channels = /bits/ 16 <20 21>;
> 
> can you explain this property here ? Are you setting bits 20 and 21 on a
> 16-bit field ?

I think it's an arry of u16 dma channels.. But could it be just /bits/ 8
instead of /bits/ 16?

Regards,

Tony