ARM: dts: rockchip: add rk3288 dma controllers

Add both the bus and peripheral pl330 dma controllers present in rk3288 socs.
The first dma controller can change between secure and non-secure mode. Both
instances are added but the non-secure variant is left disabled by default,
as on the majority of boards the bootloader leaves it in secure mode.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Kever Yang <kever.yang@rock-chips.com>

diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 5950b0a532242b35518bfee3f9ea97b2c962f152..add0e11ae306d01d4b949283e8b16b3a66d48b1f 100644 (file)
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -62,6 +62,44 @@
                };
        };
 
+       amba {
+               compatible = "arm,amba-bus";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges;
+
+               dmac_peri: dma-controller@ff250000 {
+                       compatible = "arm,pl330", "arm,primecell";
+                       reg = <0xff250000 0x4000>;
+                       interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+                       #dma-cells = <1>;
+                       clocks = <&cru ACLK_DMAC2>;
+                       clock-names = "apb_pclk";
+               };
+
+               dmac_bus_ns: dma-controller@ff600000 {
+                       compatible = "arm,pl330", "arm,primecell";
+                       reg = <0xff600000 0x4000>;
+                       interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+                       #dma-cells = <1>;
+                       clocks = <&cru ACLK_DMAC1>;
+                       clock-names = "apb_pclk";
+                       status = "disabled";
+               };
+
+               dmac_bus_s: dma-controller@ffb20000 {
+                       compatible = "arm,pl330", "arm,primecell";
+                       reg = <0xffb20000 0x4000>;
+                       interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+                       #dma-cells = <1>;
+                       clocks = <&cru ACLK_DMAC1>;
+                       clock-names = "apb_pclk";
+               };
+       };
+
        xin24m: oscillator {
                compatible = "fixed-clock";
                clock-frequency = <24000000>;