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.abra...@linaro.org>
---
arch/arm/boot/dts/exynos4210-origen.dts | 12 ++++++++
arch/arm/boot/dts/exynos4210-smdkv310.dts | 44 +++++++++++++++++++++++++++++
arch/arm/boot/dts/exynos4210.dtsi | 30 +++++++++++++++++++
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 b8c4763..f27d367 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 27afc8e..411ac8e 100644
--- a/arch/arm/boot/dts/exynos4210-smdkv310.dts
+++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts
@@ -21,6 +21,12 @@
model = "Samsung smdkv310 evaluation board based on Exynos4210";
compatible = "samsung,smdkv310", "samsung,exynos4210";
+ aliases {
+ spi0 = &spi_0;
+ spi1 = &spi_1;
+ spi2 = &spi_2;
+ };
+
memory {
reg = <0x40000000 0x80000000>;
};
@@ -42,6 +48,36 @@
<&gpk2 6 2 3 3>;
};
+ 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 = <10000>;
+
+ 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>;
+ };
+ };
+ };
+
keypad@100A0000 {
samsung,keypad-num-rows = <2>;
samsung,keypad-num-columns = <8>;
@@ -179,4 +215,12 @@
i2c@138D0000 {
status = "disabled";
};
+
+ spi_0: spi@13920000 {
+ status = "disabled";
+ };
+
+ spi_1: spi@13930000 {
+ status = "disabled";
+ };
};
diff --git a/arch/arm/boot/dts/exynos4210.dtsi
b/arch/arm/boot/dts/exynos4210.dtsi
index a1dd2ee..f107c5d 100644
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -147,6 +147,36 @@
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>;
--
1.6.6.rc2
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