From mboxrd@z Thu Jan 1 00:00:00 1970 From: eric@eukrea.com (Eric =?UTF-8?B?QsOpbmFyZA==?=) Date: Fri, 19 Apr 2013 18:11:34 +0200 Subject: [PATCH] ARM: mx28: add dma channels for all auarts In-Reply-To: References: <1366383906-25747-1-git-send-email-eric@eukrea.com> Message-ID: <20130419181134.06eded8f@e6520eb> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Fabio, Le Fri, 19 Apr 2013 12:26:33 -0300, Fabio Estevam a ?crit : > On Fri, Apr 19, 2013 at 12:05 PM, Eric B?nard wrote: > > Only auart0 was filled. > > Tested on a custom i.MX283 board for ttyAPP1/2/3/4. > > > > Signed-off-by: Eric B?nard > > --- > > arch/arm/boot/dts/imx28.dtsi | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi > > index 25f2243..15933ed 100644 > > --- a/arch/arm/boot/dts/imx28.dtsi > > +++ b/arch/arm/boot/dts/imx28.dtsi > > @@ -886,6 +886,7 @@ > > compatible = "fsl,imx28-auart", "fsl,imx23-auart"; > > reg = <0x8006c000 0x2000>; > > interrupts = <113 72 73>; > > + fsl,auart-dma-channel = <10 11>; > > Now we use the generic 'dmas' binding to passing such information. > > If you look at linux-next tree these UART dma channels are already > been passed via the new 'dmas' method: > > auart1: serial at 8006c000 { > compatible = "fsl,imx28-auart", "fsl,imx23-auart"; > reg = <0x8006c000 0x2000>; > interrupts = <113 72 73>; > dmas = <&dma_apbx 10>, <&dma_apbx 11>; > dma-names = "rx", "tx"; > clocks = <&clks 45>; > status = "disabled"; > }; OK so forget my patch it was against 3.9-rc Eric