ARM: dts: rockchip: enable DMA on SPI for rk3066 and rk3188

According to the RK3066 and RK3188 TRM, the two SPI controllers support DMA
handshake interface. Add the DMA properties so they can be used when needed.

Signed-off-by: Julien CHAUVEAU <julien.chauveau@neo-technologies.fr>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi
index 499468d42ada..9ba92de511ca 100644
--- a/arch/arm/boot/dts/rk3xxx.dtsi
+++ b/arch/arm/boot/dts/rk3xxx.dtsi
@@ -367,6 +367,8 @@
                 reg = <0x20070000 0x1000>;
                 #address-cells = <1>;
                 #size-cells = <0>;
+                dmas = <&dmac2 10>, <&dmac2 11>;
+                dma-names = "tx", "rx";
                 status = "disabled";
         };
 
@@ -378,6 +380,8 @@
                 reg = <0x20074000 0x1000>;
                 #address-cells = <1>;
                 #size-cells = <0>;
+                dmas = <&dmac2 12>, <&dmac2 13>;
+                dma-names = "tx", "rx";
                 status = "disabled";
         };
 };