[PATCH] ARM: dts: Modify SPI nodes according generic DMA DT bindings

[Padmavathi Venna <padma.v@samsung.com>]

This patch removes custom way of adding spi dma channels and
adds according to new generic DMA DT bindings on samsung exynos4
and exynos5440 platforms.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
---
 arch/arm/boot/dts/exynos4.dtsi    |   15 +++++++++------
 arch/arm/boot/dts/exynos5440.dtsi |    5 +++--
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index 1a62bcf..2449651 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -235,8 +235,9 @@
 		compatible = "samsung,exynos4210-spi";
 		reg = <0x13920000 0x100>;
 		interrupts = <0 66 0>;
-		tx-dma-channel = <&pdma0 7>; /* preliminary */
-		rx-dma-channel = <&pdma0 6>; /* preliminary */
+		dmas = <&pdma0 7
+			&pdma0 6>;
+		dma-names = "tx", "rx";
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "disabled";
@@ -246,8 +247,9 @@
 		compatible = "samsung,exynos4210-spi";
 		reg = <0x13930000 0x100>;
 		interrupts = <0 67 0>;
-		tx-dma-channel = <&pdma1 7>; /* preliminary */
-		rx-dma-channel = <&pdma1 6>; /* preliminary */
+		dmas = <&pdma0 7
+			&pdma0 6>;
+		dma-names = "tx", "rx";
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "disabled";
@@ -257,8 +259,9 @@
 		compatible = "samsung,exynos4210-spi";
 		reg = <0x13940000 0x100>;
 		interrupts = <0 68 0>;
-		tx-dma-channel = <&pdma0 9>; /* preliminary */
-		rx-dma-channel = <&pdma0 8>; /* preliminary */
+		dmas = <&pdma0 9
+			&pdma0 8>;
+		dma-names = "tx", "rx";
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "disabled";
diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi
index 9a99755..31a3626 100644
--- a/arch/arm/boot/dts/exynos5440.dtsi
+++ b/arch/arm/boot/dts/exynos5440.dtsi
@@ -79,8 +79,9 @@
 		compatible = "samsung,exynos4210-spi";
 		reg = <0xD0000 0x1000>;
 		interrupts = <0 4 0>;
-		tx-dma-channel = <&pdma0 5>; /* preliminary */
-		rx-dma-channel = <&pdma0 4>; /* preliminary */
+		dmas = <&pdma0 5
+			&pdma0 4>;
+		dma-names = "tx", "rx";
 		#address-cells = <1>;
 		#size-cells = <0>;
 	};
-- 
1.7.4.4