From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Fu Subject: [PATCH 2/3] arm:dts:vf-610:add vybrid DSPI DMA transfer support Date: Tue, 25 Feb 2014 14:54:17 +0800 Message-ID: <1393311258-14380-2-git-send-email-b44548@freescale.com> References: <1393311258-14380-1-git-send-email-b44548@freescale.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Chao Fu To: , , , Return-path: In-Reply-To: <1393311258-14380-1-git-send-email-b44548@freescale.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org List-Id: linux-spi.vger.kernel.org From: Chao Fu DSPI can transfer data in DMA mode or PIO mode. The ajudgement of using DMA method(use-dma) will be read from dtb. And add DMA channels info of DSPI. Signed-off-by: Chao Fu --- arch/arm/boot/dts/vf610.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi index e1e1e51..2fe53c1 100644 --- a/arch/arm/boot/dts/vf610.dtsi +++ b/arch/arm/boot/dts/vf610.dtsi @@ -148,6 +148,10 @@ clocks = <&clks VF610_CLK_DSPI0>; clock-names = "dspi"; spi-num-chipselects = <5>; + use-dma; + dmas = <&edma0 0 12>, + <&edma0 0 13>; + dma-names = "rx", "tx"; status = "disabled"; }; -- 1.8.4