diff mbox

[03/63] ARM: ux500: Supply UART's DMA configuration via Device Tree

Message ID 1367591569-32197-4-git-send-email-lee.jones@linaro.org
State Accepted
Commit fbff01cce09fb79a04619a9da782db655fbd7df0
Headers show

Commit Message

Lee Jones May 3, 2013, 2:31 p.m. UTC
When requesting a channel, a DMA client needs to pass some pieces of
information such as; request channel, device type, channel type and
direction etc. Normally we do this in the form of platform data, but
when DT is enabled we need to pass it using the driver's bindings
instead.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
 arch/arm/boot/dts/dbx5x0.dtsi |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)
diff mbox

Patch

diff --git a/arch/arm/boot/dts/dbx5x0.dtsi b/arch/arm/boot/dts/dbx5x0.dtsi
index 8a82b18..d595e2c 100644
--- a/arch/arm/boot/dts/dbx5x0.dtsi
+++ b/arch/arm/boot/dts/dbx5x0.dtsi
@@ -568,18 +568,35 @@ 
 			compatible = "arm,pl011", "arm,primecell";
 			reg = <0x80120000 0x1000>;
 			interrupts = <0 11 0x4>;
+
+			dmas = <&dma 13 0 0x2>, /* Logical - DevToMem */
+			       <&dma 13 0 0x0>; /* Logical - MemToDev */
+			dma-names = "rx", "tx";
+
 			status = "disabled";
 		};
+
 		uart@80121000 {
 			compatible = "arm,pl011", "arm,primecell";
 			reg = <0x80121000 0x1000>;
 			interrupts = <0 19 0x4>;
+
+			dmas = <&dma 12 0 0x2>, /* Logical - DevToMem */
+			       <&dma 12 0 0x0>; /* Logical - MemToDev */
+			dma-names = "rx", "tx";
+
 			status = "disabled";
 		};
+
 		uart@80007000 {
 			compatible = "arm,pl011", "arm,primecell";
 			reg = <0x80007000 0x1000>;
 			interrupts = <0 26 0x4>;
+
+			dmas = <&dma 11 0 0x2>, /* Logical - DevToMem */
+			       <&dma 11 0 0x0>; /* Logical - MemToDev */
+			dma-names = "rx", "tx";
+
 			status = "disabled";
 		};