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[24.166.64.7]) by mx.google.com with ESMTPS id p5sm15288242igm.13.2012.09.20.07.42.38 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 20 Sep 2012 07:42:40 -0700 (PDT) From: Matt Porter To: Tony Lindgren , Sekhar Nori , Grant Likely , Mark Brown , Benoit Cousson , Russell King , Vinod Koul , Rob Landley , Chris Ball 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> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1348152226-13588-1-git-send-email-mporter@ti.com> References: <1348152226-13588-1-git-send-email-mporter@ti.com> X-pstn-levels: (S:99.90000/99.90000 CV:99.9000 FC:95.5390 LC:95.5390 R:95.9108 P:95.9108 M:97.0282 C:98.6951 ) X-pstn-dkim: 1 skipped:not-enabled X-pstn-settings: 2 (0.5000:0.0050) s cv GT3 gt2 gt1 r p m c X-pstn-addresses: from [82/3] 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 X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com 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";