ARM: dts: Add nodes for spi controllers for SAMSUNG EXYNOS4 platforms

Add device nodes for the three instances of spi controllers in
EXYNOS4 platforms. Enable instance SPI 2 for SMDKV310 board and
disable all spi instances for Origen board.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

3 files changed, 86 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts
index b8c476384eef..0c49caa09978 100644
--- a/arch/arm/boot/dts/exynos4210-origen.dts
+++ b/arch/arm/boot/dts/exynos4210-origen.dts
@@ -134,4 +134,16 @@
         i2c@138D0000 {
                 status = "disabled";
         };
+
+        spi_0: spi@13920000 {
+                status = "disabled";
+        };
+
+        spi_1: spi@13930000 {
+                status = "disabled";
+        };
+
+        spi_2: spi@13940000 {
+                status = "disabled";
+        };
 };
diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts b/arch/arm/boot/dts/exynos4210-smdkv310.dts
index 27afc8e535ca..1beccc8f14ff 100644
--- a/arch/arm/boot/dts/exynos4210-smdkv310.dts
+++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts
@@ -179,4 +179,42 @@
         i2c@138D0000 {
                 status = "disabled";
         };
+
+        spi_0: spi@13920000 {
+                status = "disabled";
+        };
+
+        spi_1: spi@13930000 {
+                status = "disabled";
+        };
+
+        spi_2: spi@13940000 {
+                gpios = <&gpc1 1 5 3 0>,
+                        <&gpc1 3 5 3 0>,
+                        <&gpc1 4 5 3 0>;
+
+                w25x80@0 {
+                        #address-cells = <1>;
+                        #size-cells = <1>;
+                        compatible = "w25x80";
+                        reg = <0>;
+                        spi-max-frequency = <1000000>;
+
+                        controller-data {
+                                cs-gpio = <&gpc1 2 1 0 3>;
+                                samsung,spi-feedback-delay = <0>;
+                        };
+
+                        partition@0 {
+                                label = "U-Boot";
+                                reg = <0x0 0x40000>;
+                                read-only;
+                        };
+
+                        partition@40000 {
+                                label = "Kernel";
+                                reg = <0x40000 0xc0000>;
+                        };
+                };
+        };
 };
diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index 2707f0ec04b1..6904d9dfbf28 100644
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -25,6 +25,12 @@
         compatible = "samsung,exynos4210";
         interrupt-parent = <&gic>;
 
+        aliases {
+                spi0 = &spi_0;
+                spi1 = &spi_1;
+                spi2 = &spi_2;
+        };
+
         gic:interrupt-controller@10490000 {
                 compatible = "arm,cortex-a9-gic";
                 #interrupt-cells = <3>;
@@ -158,6 +164,36 @@
                 interrupts = <0 65 0>;
         };
 
+        spi_0: spi@13920000 {
+                compatible = "samsung,exynos4210-spi";
+                reg = <0x13920000 0x100>;
+                interrupts = <0 66 0>;
+                tx-dma-channel = <&pdma0 7>;
+                rx-dma-channel = <&pdma0 6>;
+                #address-cells = <1>;
+                #size-cells = <0>;
+        };
+
+        spi_1: spi@13930000 {
+                compatible = "samsung,exynos4210-spi";
+                reg = <0x13930000 0x100>;
+                interrupts = <0 67 0>;
+                tx-dma-channel = <&pdma1 7>;
+                rx-dma-channel = <&pdma1 6>;
+                #address-cells = <1>;
+                #size-cells = <0>;
+        };
+
+        spi_2: spi@13940000 {
+                compatible = "samsung,exynos4210-spi";
+                reg = <0x13940000 0x100>;
+                interrupts = <0 68 0>;
+                tx-dma-channel = <&pdma0 9>;
+                rx-dma-channel = <&pdma0 8>;
+                #address-cells = <1>;
+                #size-cells = <0>;
+        };
+
         amba {
                 #address-cells = <1>;
                 #size-cells = <1>;