Commit 248948fb authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Tony Lindgren
Browse files

ARM: dts: dra7: Enable eDMA 



DRA7 family has eDMA available along with the sDMA and in some cases it is
better suited for servicing peripherals.

Add the needed nodes for eDMA to be usable:
edma-tpcc, edma-tptc0/1 and the edma-xbar.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 3d2a58bc

arch/arm/boot/dts/dra7.dtsi

+48 −0
Original line number Diff line number Diff line
@@ -170,6 +170,15 @@ 
					ti,dma-safe-map = <0>;

					dma-masters = <&sdma>;

				};



				edma_xbar: dma-router@c78 {

					compatible = "ti,dra7-dma-crossbar";

					reg = <0xc78 0x7c>;

					#dma-cells = <2>;

					dma-requests = <204>;

					ti,dma-safe-map = <0>;

					dma-masters = <&edma>;

				};

			};



			cm_core_aon: cm_core_aon@5000 {
@@ -324,6 +333,45 @@ 
			dma-requests = <127>;

		};



		edma: edma@43300000 {

			compatible = "ti,edma3-tpcc";

			ti,hwmods = "tpcc";

			reg = <0x43300000 0x100000>;

			reg-names = "edma3_cc";

			interrupts = <GIC_SPI 361 IRQ_TYPE_LEVEL_HIGH>,

				     <GIC_SPI 360 IRQ_TYPE_LEVEL_HIGH>,

				     <GIC_SPI 359 IRQ_TYPE_LEVEL_HIGH>;

			interrupt-names = "edma3_ccint", "emda3_mperr",

					  "edma3_ccerrint";

			dma-requests = <64>;

			#dma-cells = <2>;



			ti,tptcs = <&edma_tptc0 7>, <&edma_tptc1 0>;



			/*

			 * memcpy is disabled, can be enabled with:

			 * ti,edma-memcpy-channels = <20 21>;

			 * for example. Note that these channels need to be

			 * masked in the xbar as well.

			 */

		};



		edma_tptc0: tptc@43400000 {

			compatible = "ti,edma3-tptc";

			ti,hwmods = "tptc0";

			reg =	<0x43400000 0x100000>;

			interrupts = <GIC_SPI 370 IRQ_TYPE_LEVEL_HIGH>;

			interrupt-names = "edma3_tcerrint";

		};



		edma_tptc1: tptc@43500000 {

			compatible = "ti,edma3-tptc";

			ti,hwmods = "tptc1";

			reg =	<0x43500000 0x100000>;

			interrupts = <GIC_SPI 371 IRQ_TYPE_LEVEL_HIGH>;

			interrupt-names = "edma3_tcerrint";

		};



		gpio1: gpio@4ae10000 {

			compatible = "ti,omap4-gpio";

			reg = <0x4ae10000 0x200>;

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