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From: Rameshwar Prasad Sahu <rsahu@apm.com>
To: vinod.koul@intel.com, dan.j.williams@intel.com
Cc: dmaengine@vger.kernel.org, arnd@arndb.de,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, ddutile@redhat.com,
	jcm@redhat.com, patches@apm.com,
	Rameshwar Prasad Sahu <rsahu@apm.com>, Loc Ho <lho@apm.com>
Subject: [PATCH v7 2/3] arm64: dts: Add APM X-Gene DMA device and DMA clock DTS nodes
Date: Thu, 12 Mar 2015 16:45:20 +0530	[thread overview]
Message-ID: <1426158921-8987-3-git-send-email-rsahu@apm.com> (raw)
In-Reply-To: <1426158921-8987-1-git-send-email-rsahu@apm.com>

This patch adds the device tree node for APM X-Gene SoC
DMA controller and DMA clock.

Signed-off-by: Rameshwar Prasad Sahu <rsahu@apm.com>
Signed-off-by: Loc Ho <lho@apm.com>
---
 arch/arm64/boot/dts/apm/apm-storm.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
index f1ad9c2..9471770 100644
--- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
+++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi
@@ -102,6 +102,7 @@
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
+		dma-ranges = <0x0 0x0 0x0 0x0 0x400 0x0>;

 		clocks {
 			#address-cells = <2>;
@@ -352,6 +353,15 @@
 				reg-names = "csr-reg";
 				clock-output-names = "pcie4clk";
 			};
+
+			dmaclk: dmaclk@1f27c000 {
+				compatible = "apm,xgene-device-clock";
+				#clock-cells = <1>;
+				clocks = <&socplldiv2 0>;
+				reg = <0x0 0x1f27c000 0x0 0x1000>;
+				reg-names = "csr-reg";
+				clock-output-names = "dmaclk";
+			};
 		};

 		pcie0: pcie@1f2b0000 {
@@ -656,5 +666,21 @@
 			interrupts = <0x0 0x41 0x4>;
 			clocks = <&rngpkaclk 0>;
 		};
+
+		dma: dma@1f270000 {
+			compatible = "apm,xgene-storm-dma";
+			device_type = "dma";
+			reg = <0x0 0x1f270000 0x0 0x10000>,
+			      <0x0 0x1f200000 0x0 0x10000>,
+			      <0x0 0x1b008000 0x0 0x2000>,
+			      <0x0 0x1054a000 0x0 0x100>;
+			interrupts = <0x0 0x82 0x4>,
+				     <0x0 0xb8 0x4>,
+				     <0x0 0xb9 0x4>,
+				     <0x0 0xba 0x4>,
+				     <0x0 0xbb 0x4>;
+			dma-coherent;
+			clocks = <&dmaclk 0>;
+		};
 	};
 };
--
1.8.2.1


  parent reply	other threads:[~2015-03-12 11:16 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-12 11:15 [PATCH v7 0/3] dmaengine: APM X-Gene SoC DMA engine driver support Rameshwar Prasad Sahu
2015-03-12 11:15 ` [PATCH v7 1/3] dmaengine: Add support for APM X-Gene SoC DMA engine driver Rameshwar Prasad Sahu
2015-03-16  9:27   ` Vinod Koul
2015-03-16 10:30     ` Rameshwar Sahu
2015-03-16 11:27       ` Vinod Koul
2015-03-16 11:54         ` Rameshwar Sahu
2015-03-16 16:26           ` Vinod Koul
2015-03-16 17:31             ` Rameshwar Sahu
2015-03-17  9:33               ` Rameshwar Sahu
2015-03-17 10:19                 ` Vinod Koul
2015-03-17 10:38                   ` Rameshwar Sahu
2015-03-16 11:02     ` Rameshwar Sahu
2015-03-12 11:15 ` Rameshwar Prasad Sahu [this message]
2015-03-12 11:15 ` [PATCH v7 3/3] Documentation: dma: Add APM X-Gene SoC DMA engine driver documentation Rameshwar Prasad Sahu
2015-03-16  9:29   ` Vinod Koul
2015-03-16 10:31     ` Rameshwar Sahu

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