From: tony@atomide•com (Tony Lindgren)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] ARM: DTS: am33xx: Use the new DT bindings for the eDMA3
Date: Fri, 4 Dec 2015 10:47:07 -0800 [thread overview]
Message-ID: <20151204184706.GO23396@atomide.com> (raw)
In-Reply-To: <87wpsunn82.fsf@saruman.tx.rr.com>
* Felipe Balbi <balbi@ti•com> [151204 09:23]:
>
> Hi,
>
> Peter Ujfalusi <peter.ujfalusi@ti•com> 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
next prev parent reply other threads:[~2015-12-04 18:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-04 10:45 [PATCH] ARM: DTS: am33xx: Use the new DT bindings for the eDMA3 Peter Ujfalusi
2015-12-04 17:21 ` Felipe Balbi
2015-12-04 18:47 ` Tony Lindgren [this message]
2015-12-04 21:36 ` Arnd Bergmann
2015-12-04 21:51 ` Tony Lindgren
2015-12-08 7:42 ` Peter Ujfalusi
2015-12-08 9:51 ` Arnd Bergmann
2015-12-08 10:22 ` Peter Ujfalusi
2015-12-08 10:25 ` Arnd Bergmann
2015-12-08 15:51 ` Tony Lindgren
2015-12-08 0:19 ` Tony Lindgren
2015-12-08 7:43 ` Peter Ujfalusi
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