[PATCH 07/10] ARM: sun4i: enable DMA on SPI
Emilio López
emilio at elopez.com.ar
Sun Jun 15 20:50:32 PDT 2014
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 at elopez.com.ar>
---
arch/arm/boot/dts/sun4i-a10.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index 6e61518..c66c39e 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>;
@@ -423,6 +427,8 @@
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>;
@@ -462,6 +468,8 @@
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>;
--
2.0.0
More information about the linux-arm-kernel
mailing list