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

Julien CHAUVEAU julien.chauveau at neo-technologies.fr
Fri Oct 10 01:04:13 PDT 2014


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 at 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




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