From: ludovic.desroches@atmel.com (Ludovic Desroches)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 7/7] serial: at91: add dma support in usart binding descriptions
Date: Tue, 9 Jul 2013 09:40:59 +0200 [thread overview]
Message-ID: <20130709074059.GC4013@ludovic.desroches@atmel.com> (raw)
In-Reply-To: <1373351626-30143-8-git-send-email-elen.song@atmel.com>
On Tue, Jul 09, 2013 at 02:33:46PM +0800, Elen Song wrote:
[...]
> Example:
> -
> +- use PDC:
> usart0: serial at fff8c000 {
> compatible = "atmel,at91sam9260-usart";
> reg = <0xfff8c000 0x200>;
> @@ -25,3 +31,12 @@ Example:
> atmel,use-pdc-tx;
> };
>
> +- use DMA:
> + usart0: serial at f001c000 {
> + compatible = "atmel,at91sam9260-usart";
> + reg = <0xf001c000 0x100>;
> + interrupts = <12 IRQ_TYPE_LEVEL_HIGH 5>;
> + dmas = <&dma0 2 AT91_DMA_CFG_PER_ID(3)>,
> + <&dma0 2 (AT91_DMA_CFG_PER_ID(4) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
Same comment than patch 1/7. Maybe wait for confirmation by someone else before
correcting it.
> + dma-names = "tx", "rx";
> + };
> --
> 1.7.9.5
>
prev parent reply other threads:[~2013-07-09 7:40 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-09 6:33 [PATCH 0/7] serial: at91: make usart and uart support dma transfer Elen Song
2013-07-09 6:33 ` [PATCH 1/7] serial: at91: correct definition from DMA to PDC Elen Song
2013-07-09 7:31 ` Ludovic Desroches
2013-07-09 7:57 ` elen.song
2013-07-09 9:17 ` Ludovic Desroches
2013-07-09 9:19 ` elen.song
2013-07-09 11:21 ` Jean-Christophe PLAGNIOL-VILLARD
2013-07-09 11:22 ` Jean-Christophe PLAGNIOL-VILLARD
2013-07-09 13:34 ` Jean-Christophe PLAGNIOL-VILLARD
2013-07-09 16:07 ` Nicolas Ferre
2013-07-09 6:33 ` [PATCH 2/7] serial: at91: add tx dma support Elen Song
2013-07-09 9:57 ` Ludovic Desroches
2013-07-09 10:24 ` elen.song
2013-07-09 6:33 ` [PATCH 3/7] serial: at91: add rx " Elen Song
2013-07-09 6:33 ` [PATCH 4/7] serial: at91: make DBGU support dma and pdc transfers Elen Song
2013-07-09 13:26 ` Jean-Christophe PLAGNIOL-VILLARD
2013-07-09 6:33 ` [PATCH 5/7] serial: at91: distinguish usart and uart Elen Song
2013-07-09 11:25 ` Jean-Christophe PLAGNIOL-VILLARD
2013-07-09 6:33 ` [PATCH 6/7] serial: at91: modify UART to use software timer to trigger rx Elen Song
2013-07-09 6:33 ` [PATCH 7/7] serial: at91: add dma support in usart binding descriptions Elen Song
2013-07-09 7:40 ` Ludovic Desroches [this message]
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