@@ -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 {
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(+)