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Commit 258e1ae6 authored by Baolin Wang's avatar Baolin Wang Committed by Arnd Bergmann
Browse files

arm64: dts: Add DMA device node for Spreadtrum SC9860 



The Spreadtrum SC9860 platform has two DMA controllers, one is located
on the ap-ahb system, and another one is located on the agcp system.

Signed-off-by: default avatarBaolin Wang <baolin.wang@linaro.org>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 4f681369

arch/arm64/boot/dts/sprd/whale2.dtsi

+34 −0
Original line number Diff line number Diff line
@@ -107,6 +107,23 @@ 
			};

		};



		ap-ahb {

			compatible = "simple-bus";

			#address-cells = <2>;

			#size-cells = <2>;

			ranges;



			ap_dma: dma-controller@20100000 {

				compatible = "sprd,sc9860-dma";

				reg = <0 0x20100000 0 0x4000>;

				interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;

				#dma-cells = <1>;

				#dma-channels = <32>;

				clock-names = "enable";

				clocks = <&apahb_gate CLK_DMA_EB>;

			};

		};



		aon {

			compatible = "simple-bus";

			#address-cells = <2>;
@@ -151,6 +168,23 @@ 
				clocks = <&aon_gate CLK_APCPU_WDG_EB>;

			};

		};



		agcp {

			compatible = "simple-bus";

			#address-cells = <2>;

			#size-cells = <2>;

			ranges;



			agcp_dma: dma-controller@41580000 {

				compatible = "sprd,sc9860-dma";

				reg = <0 0x41580000 0 0x4000>;

				#dma-cells = <1>;

				#dma-channels = <32>;

				clock-names = "enable", "ashb_eb";

				clocks = <&agcp_gate CLK_AGCP_DMAAP_EB>,

				       <&agcp_gate CLK_AGCP_AP_ASHB_EB>;

			};

		};

	};



	ext_32k: ext_32k {