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

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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>
This commit is contained in:
Thomas Abraham 2012-07-14 10:45:32 +09:00 committed by Kukjin Kim
parent d40af3652b
commit 4980c39ba1
3 changed files with 86 additions and 0 deletions
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12
arch/arm/boot/dts/exynos4210-origen.dts
View File

@ -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";
};
};

38
arch/arm/boot/dts/exynos4210-smdkv310.dts
View File

@ -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>;
};
};
};
};

36
arch/arm/boot/dts/exynos4210.dtsi
View File

@ -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>;