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

Julien CHAUVEAU
2014-10-10T08:04:13Z

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>
---
arch/arm/boot/dts/rk3xxx.dtsi | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi
index 499468d..9ba92de 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";
};
};
--
1.9.1