Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

ARM: dts: Add nodes for spi controllers for SAMSUNG EXYNOS5 platforms

Browse source 
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@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Thomas Abraham 2012-07-14 10:45:36 +09:00 committed by Kukjin Kim
parent b0b27815c7
commit 79989ba3e2
2 changed files with 74 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

38
arch/arm/boot/dts/exynos5250-smdk5250.dts
View file

@ -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";
};
};

36
arch/arm/boot/dts/exynos5250.dtsi
View file

@ -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>;