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@xxxxxxxxxx>
---
arch/arm/boot/dts/exynos5250-smdk5250.dts | 38 +++++++++++++++++++++++++++++
arch/arm/boot/dts/exynos5250.dtsi | 36 +++++++++++++++++++++++++++
2 files changed, 74 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 49945cc..8a5e348 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -71,4 +71,42 @@
i2c@12CD0000 {
status = "disabled";
};
+
+ spi_0: spi@12d20000 {
+ status = "disabled";
+ };
+
+ spi_1: spi@12d30000 {
+ gpios = <&gpa2 4 2 3 0>,
+ <&gpa2 6 2 3 0>,
+ <&gpa2 7 2 3 0>;
+
+ w25q80bw@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "w25x80";
+ reg = <0>;
+ spi-max-frequency = <1000000>;
+
+ controller-data {
+ cs-gpio = <&gpa2 5 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>;
+ };
+ };
+ };
+
+ spi_2: spi@12d40000 {
+ status = "disabled";
+ };
};
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 4272b29..a3a2eb2 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -23,6 +23,12 @@
compatible = "samsung,exynos5250";
interrupt-parent = <&gic>;
+ aliases {
+ spi0 = &spi_0;
+ spi1 = &spi_1;
+ spi2 = &spi_2;
+ };
+
gic:interrupt-controller@10481000 {
compatible = "arm,cortex-a9-gic";
#interrupt-cells = <3>;
@@ -146,6 +152,36 @@
#size-cells = <0>;
};
+ spi_0: spi@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@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@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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