arm64: dts: rockchip: add dmac nodes for rk3368 SoCs

Add dmac bus and dmac peri dts nodes for peripherals,
such as I2S, SPI, UART and so on.

Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index a782a13..0271427 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -169,6 +169,35 @@
                };
        };
 
+       amba {
+               compatible = "simple-bus";
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               dmac_peri: dma-controller@ff250000 {
+                       compatible = "arm,pl330", "arm,primecell";
+                       reg = <0x0 0xff250000 0x0 0x4000>;
+                       interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+                       #dma-cells = <1>;
+                       arm,pl330-broken-no-flushp;
+                       clocks = <&cru ACLK_DMAC_PERI>;
+                       clock-names = "apb_pclk";
+               };
+
+               dmac_bus: dma-controller@ff600000 {
+                       compatible = "arm,pl330", "arm,primecell";
+                       reg = <0x0 0xff600000 0x0 0x4000>;
+                       interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+                       #dma-cells = <1>;
+                       arm,pl330-broken-no-flushp;
+                       clocks = <&cru ACLK_DMAC_BUS>;
+                       clock-names = "apb_pclk";
+               };
+       };
+
        arm-pmu {
                compatible = "arm,armv8-pmuv3";
                interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,