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Subject[PATCH 6/7] arm64: dts: Add DMA device node for Spreadtrum SC9860
Date
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: Baolin Wang <baolin.wang@linaro.org>
---
arch/arm64/boot/dts/sprd/whale2.dtsi | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)

diff --git a/arch/arm64/boot/dts/sprd/whale2.dtsi b/arch/arm64/boot/dts/sprd/whale2.dtsi
index f2cdf4d..66a881e 100644
--- a/arch/arm64/boot/dts/sprd/whale2.dtsi
+++ b/arch/arm64/boot/dts/sprd/whale2.dtsi
@@ -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 {
--
1.7.9.5
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