[v3,6/8] ARM: sun4i: dt: enable DMA on SPI
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Message ID 1407183002-29420-7-git-send-email-emilio@elopez.com.ar
State New, archived
Headers show

Commit Message

Emilio López Aug. 4, 2014, 8:10 p.m. UTC
All of our SPI controllers support DMA transfers, so let's add the
properties here so they can be used when it's best to do so.

Signed-off-by: Emilio López <emilio@elopez.com.ar>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
---

Changes from v2:
 * Collect tag from Chen-Yu

 arch/arm/boot/dts/sun4i-a10.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

Patch
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diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index 5c6791a..b6a491b 100644
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -353,6 +353,8 @@ 
 			interrupts = <10>;
 			clocks = <&ahb_gates 20>, <&spi0_clk>;
 			clock-names = "ahb", "mod";
+			dmas = <&dma 1 27>, <&dma 1 26>;
+			dma-names = "rx", "tx";
 			status = "disabled";
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -364,6 +366,8 @@ 
 			interrupts = <11>;
 			clocks = <&ahb_gates 21>, <&spi1_clk>;
 			clock-names = "ahb", "mod";
+			dmas = <&dma 1 9>, <&dma 1 8>;
+			dma-names = "rx", "tx";
 			status = "disabled";
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -459,6 +463,8 @@ 
 			interrupts = <12>;
 			clocks = <&ahb_gates 22>, <&spi2_clk>;
 			clock-names = "ahb", "mod";
+			dmas = <&dma 1 29>, <&dma 1 28>;
+			dma-names = "rx", "tx";
 			status = "disabled";
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -498,6 +504,8 @@ 
 			interrupts = <50>;
 			clocks = <&ahb_gates 23>, <&spi3_clk>;
 			clock-names = "ahb", "mod";
+			dmas = <&dma 1 31>, <&dma 1 30>;
+			dma-names = "rx", "tx";
 			status = "disabled";
 			#address-cells = <1>;
 			#size-cells = <0>;