From: arnd@arndb•de (Arnd Bergmann)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 1/2] serial/imx: add DMA support
Date: Fri, 27 Apr 2012 17:24:44 +0000 [thread overview]
Message-ID: <201204271724.45435.arnd@arndb.de> (raw)
In-Reply-To: <1335436632-29499-2-git-send-email-b32955@freescale.com>
On Thursday 26 April 2012, Huang Shijie wrote:
> diff --git a/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt
> index a9c0406..f27489d 100644
> --- a/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt
> +++ b/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt
> @@ -8,6 +8,10 @@ Required properties:
> Optional properties:
> - fsl,uart-has-rtscts : Indicate the uart has rts and cts
> - fsl,irda-mode : Indicate the uart supports irda mode
> +- fsl,enable-dma : Indicate the uart supports DMA
> +- fsl,uart-dma-events : contains the DMA events for RX and TX,
> + The first is the RX event, while the other is TX.
> +- fsl,enable-dte: Indicate the uart works in DTE mode
>
I think we should not add any ad-hoc DMA bindings for device drivers
until we have a proper generic binding for DMA.
Arnd
next prev parent reply other threads:[~2012-04-27 17:24 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-26 10:37 [PATCH 0/2] add DMA support to uart Huang Shijie
2012-04-26 10:37 ` [PATCH 1/2] serial/imx: add DMA support Huang Shijie
2012-04-26 11:11 ` Russell King - ARM Linux
2012-04-27 7:00 ` Huang Shijie
2012-04-27 8:22 ` Russell King - ARM Linux
2012-04-27 8:38 ` Richard Zhao
2012-04-27 9:46 ` Huang Shijie
2012-04-27 9:50 ` Russell King - ARM Linux
2012-04-27 15:18 ` Huang Shijie
2012-04-27 15:30 ` Russell King - ARM Linux
2012-04-28 8:53 ` Huang Shijie
2012-04-26 12:00 ` Sascha Hauer
2012-04-27 6:09 ` Huang Shijie
2012-05-16 9:37 ` Philippe Rétornaz
2012-05-16 9:42 ` Huang Shijie
2012-04-27 17:24 ` Arnd Bergmann [this message]
2012-04-28 8:54 ` Huang Shijie
2012-04-26 10:37 ` [PATCH 2/2] ARM: MX6q: enable DMA support for UART2 Huang Shijie
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