From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Porter Subject: [RFC PATCH 12/13] ARM: dts: add am33xx EDMA support Date: Thu, 20 Sep 2012 10:43:45 -0400 Message-ID: <1348152226-13588-13-git-send-email-mporter@ti.com> References: <1348152226-13588-1-git-send-email-mporter@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1348152226-13588-1-git-send-email-mporter-l0cyMroinI0@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Tony Lindgren , Sekhar Nori , Grant Likely , Mark Brown , Benoit Cousson , Russell King , Vinod Koul , Rob Landley , Chris Ball Cc: Linux DaVinci Kernel List , Arnd Bergmann , Linux Documentation List , Devicetree Discuss , Linux MMC List , Linux Kernel Mailing List , Rob Herring , Dan Williams , Linux SPI Devel List , Linux OMAP List , Linux ARM Kernel List List-Id: devicetree@vger.kernel.org Adds support for the defined EDMA, generic DMA controller, and DMA request bindings for mmc and spi. Signed-off-by: Matt Porter --- arch/arm/boot/dts/am33xx.dtsi | 46 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index e8033eb..c14a61d 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -86,6 +86,36 @@ reg = <0x48200000 0x1000>; }; + edma: edma@49000000 { + compatible = "ti,edma3"; + ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2"; + reg = <0x49000000 0x10000>; + interrupt-parent = <&intc>; + interrupts = <12 13 14>; + #dma-cells = <1>; + dma-channels = <64>; + ti,edma-regions = <4>; + ti,edma-slots = <256>; + ti,edma-reserved-channels = <0 2 + 14 2 + 26 6 + 48 4 + 56 8>; + ti,edma-reserved-slots = <0 2 + 14 2 + 26 6 + 48 4 + 56 8 + 64 127>; + ti,edma-queue-tc-map = <0 0 + 1 1 + 2 2>; + ti,edma-queue-priority-map = <0 0 + 1 1 + 2 2>; + ti,edma-default-queue = <0>; + }; + gpio0: gpio@44e07000 { compatible = "ti,omap4-gpio"; ti,hwmods = "gpio1"; @@ -290,6 +320,9 @@ ti,hwmods = "mmc1"; ti,dual-volt; ti,needs-special-reset; + dmas = <&edma 24 + &edma 25>; + dma-names = "tx", "rx"; }; mmc2: mmc@481D8000 { @@ -297,6 +330,9 @@ ti,hwmods = "mmc2"; ti,needs-special-reset; status = "disabled"; + dmas = <&edma 2 + &edma 3>; + dma-names = "tx", "rx"; }; mmc3: mmc@47810000 { @@ -339,6 +375,11 @@ reg = <0x48030000 0x400>; interrupt-parent = <&intc>; interrupt = <65>; + dmas = <&edma 16 + &edma 17 + &edma 18 + &edma 19>; + dma-names = "tx0", "rx0", "tx1", "rx1"; ti,spi-num-cs = <2>; ti,hwmods = "spi0"; status = "disabled"; @@ -351,6 +392,11 @@ reg = <0x481a0000 0x400>; interrupt-parent = <&intc>; interrupt = <125>; + dmas = <&edma 42 + &edma 43 + &edma 44 + &edma 45>; + dma-names = "tx0", "rx0", "tx1", "rx1"; ti,spi-num-cs = <2>; ti,hwmods = "spi1"; status = "disabled"; -- 1.7.9.5 ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://ad.doubleclick.net/clk;258768047;13503038;j? http://info.appdynamics.com/FreeJavaPerformanceDownload.html