[PATCH 6/6] ARM: dts: Add nodes for spi controllers for Samsung Exynos5 platforms

Thomas Abraham thomas.abraham at linaro.org
Fri May 18 05:46:32 EDT 2012


Add device nodes for the three instances of spi controllers in Exynos5
platforms and enable instance spi 1 for smdk5250 board.

Signed-off-by: Thomas Abraham <thomas.abraham at linaro.org>
---
 arch/arm/boot/dts/exynos5250-smdk5250.dts |   47 ++++++++++++++++++++++++++++-
 arch/arm/boot/dts/exynos5250.dtsi         |   46 ++++++++++++++++++++++++++++
 2 files changed, 92 insertions(+), 1 deletions(-)

diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 49945cc..dca572d 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -16,12 +16,18 @@
 	model = "SAMSUNG SMDK5250 board based on EXYNOS5250";
 	compatible = "samsung,smdk5250", "samsung,exynos5250";
 
+	aliases {
+		spi0 = &spi_0;
+		spi1 = &spi_1;
+		spi2 = &spi_2;
+	};
+
 	memory {
 		reg = <0x40000000 0x80000000>;
 	};
 
 	chosen {
-		bootargs = "root=/dev/ram0 rw ramdisk=8192 console=ttySAC1,115200";
+		bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
 	};
 
 	i2c at 12C60000 {
@@ -48,6 +54,45 @@
 		};
 	};
 
+
+	spi_1: spi at 12d30000 {
+		gpios = <&gpa2 4 2 3 0>,
+			<&gpa2 6 2 3 0>,
+			<&gpa2 7 2 3 0>;
+
+		w25q80bw at 0 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			compatible = "w25x80";
+			reg = <0>;
+			spi-max-frequency = <10000>;
+
+			controller-data {
+				cs-gpio = <&gpa2 5 1 0 3>;
+				samsung,spi-feedback-delay = <0>;
+			};
+
+			partition at 0 {
+				label = "U-Boot";
+				reg = <0x0 0x40000>;
+				read-only;
+			};
+
+			partition at 40000 {
+				label = "Kernel";
+				reg = <0x40000 0xc0000>;
+			};
+		};
+	};
+
+	spi_0: spi at 12d20000 {
+		status = "disabled";
+	};
+
+	spi_2: spi at 12d40000 {
+		status = "disabled";
+	};
+
 	i2c at 12C80000 {
 		status = "disabled";
 	};
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 5ca0cdb..9d7add0 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -30,6 +30,22 @@
 		reg = <0x10481000 0x1000>, <0x10482000 0x2000>;
 	};
 
+	combiner:interrupt-controller at 10440000 {
+		compatible = "samsung,exynos4210-combiner";
+		#interrupt-cells = <2>;
+		interrupt-controller;
+		samsung,combiner-nr = <32>;
+		reg = <0x10440000 0x1000>;
+		interrupts = <0 0 0>, <0 1 0>, <0 2 0>, <0 3 0>,
+			     <0 4 0>, <0 5 0>, <0 6 0>, <0 7 0>,
+			     <0 8 0>, <0 9 0>, <0 10 0>, <0 11 0>,
+			     <0 12 0>, <0 13 0>, <0 14 0>, <0 15 0>,
+			     <0 16 0>, <0 17 0>, <0 18 0>, <0 19 0>,
+			     <0 20 0>, <0 21 0>, <0 22 0>, <0 23 0>,
+			     <0 24 0>, <0 25 0>, <0 26 0>, <0 27 0>,
+			     <0 28 0>, <0 29 0>, <0 30 0>, <0 31 0>;
+	};
+
 	watchdog {
 		compatible = "samsung,s3c2410-wdt";
 		reg = <0x101D0000 0x100>;
@@ -130,6 +146,36 @@
 		#size-cells = <0>;
 	};
 
+	spi_0: spi at 12d20000 {
+		compatible = "samsung,exynos4210-spi";
+		reg = <0x12d20000 0x100>;
+		interrupts = <0 66 0>;
+		tx-dma-channel = <&pdma0 5>;
+		rx-dma-channel = <&pdma0 4>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	spi_1: spi at 12d30000 {
+		compatible = "samsung,exynos4210-spi";
+		reg = <0x12d30000 0x100>;
+		interrupts = <0 67 0>;
+		tx-dma-channel = <&pdma1 5>;
+		rx-dma-channel = <&pdma1 4>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	spi_2: spi at 12d40000 {
+		compatible = "samsung,exynos4210-spi";
+		reg = <0x12d40000 0x100>;
+		interrupts = <0 68 0>;
+		tx-dma-channel = <&pdma0 7>;
+		rx-dma-channel = <&pdma0 6>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
 	amba {
 		#address-cells = <1>;
 		#size-cells = <1>;
-- 
1.6.6.rc2




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