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authorRajeshwari Shinde <rajeshwari.s@samsung.com>2012-12-26 20:03:22 +0000
committerMinkyu Kang <mk7.kang@samsung.com>2013-01-08 10:54:34 +0900
commitcb9b23cda9f03fcb179ba5ba23f5fd44bb9b7d7c (patch)
tree465051dddc5a32a82a5f7f620ac401e5f43c9ccd
parent2f26975df50ab661cef574dfac29b109a20ac26a (diff)
downloadu-boot-linaro-stable-cb9b23cda9f03fcb179ba5ba23f5fd44bb9b7d7c.tar.gz
EXYNOS5: FDT: Add SPI device node data
Add SPI device node data for exynos. Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
-rw-r--r--arch/arm/dts/exynos5250.dtsi41
-rw-r--r--doc/device-tree-bindings/exynos/isp-spi.txt22
2 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/dts/exynos5250.dtsi b/arch/arm/dts/exynos5250.dtsi
index dc13f29dc..100879734 100644
--- a/arch/arm/dts/exynos5250.dtsi
+++ b/arch/arm/dts/exynos5250.dtsi
@@ -97,4 +97,45 @@
compatible = "samsung,exynos-sound";
reg = <0x12d60000 0x20>;
};
+
+ spi@12d20000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "samsung,exynos-spi";
+ reg = <0x12d20000 0x30>;
+ interrupts = <0 68 0>;
+ };
+
+ spi@12d30000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "samsung,exynos-spi";
+ reg = <0x12d30000 0x30>;
+ interrupts = <0 69 0>;
+ };
+
+ spi@12d40000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "samsung,exynos-spi";
+ reg = <0x12d40000 0x30>;
+ clock-frequency = <50000000>;
+ interrupts = <0 70 0>;
+ };
+
+ spi@131a0000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "samsung,exynos-spi";
+ reg = <0x131a0000 0x30>;
+ interrupts = <0 129 0>;
+ };
+
+ spi@131b0000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "samsung,exynos-spi";
+ reg = <0x131b0000 0x30>;
+ interrupts = <0 130 0>;
+ };
};
diff --git a/doc/device-tree-bindings/exynos/isp-spi.txt b/doc/device-tree-bindings/exynos/isp-spi.txt
new file mode 100644
index 000000000..b8086e82b
--- /dev/null
+++ b/doc/device-tree-bindings/exynos/isp-spi.txt
@@ -0,0 +1,22 @@
+Exynos ISP SPI Subsystem
+
+The device node for ISP SPI subsytem.
+Since Peripheral id in EXYNOS is decoded based on Interrupts, currently
+ISP SPI have no individual interrupts hence we add ad dummy interrupt node
+which will have a value beyond the maximum number of interrupts exynos5 can
+support.
+
+Required properties :
+ - compatible : Should be "samsung,exynos-spi" for spi.
+ - reg : Base adrress of the the subsystem.
+ - interrupts : A value which is beyond the maximum number of interrupts
+exynos5 can support.
+
+Example:
+spi@131a0000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "samsung,exynos-spi";
+ reg = <0x131a0000 0x30>;
+ interrupts = <0 129 0>;
+};