From: Tomasz Figa <t.figa@xxxxxxxxxxx>
This patch add spi dt node to support SPI (Serial Peripheral Interface) bus.
SPI in Exynos3250 transfers serial data by using various peripherals. Exynos3250
has two independent interface (spi0/1).
Signed-off-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
arch/arm/boot/dts/exynos3250.dtsi | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
index b8e5ae13..03e7931 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -30,6 +30,8 @@
pinctrl1 = &pinctrl_1;
mshc0 = &mshc_0;
mshc1 = &mshc_1;
+ spi0 = &spi_0;
+ spi1 = &spi_1;
i2c0 = &i2c_0;
i2c1 = &i2c_1;
i2c2 = &i2c_2;
@@ -311,6 +313,38 @@
status = "disabled";
};
+ spi_0: spi@13920000 {
+ compatible = "samsung,exynos4210-spi";
+ reg = <0x13920000 0x100>;
+ interrupts = <0 121 0>;
+ dmas = <&pdma0 7>, <&pdma0 6>;
+ dma-names = "tx", "rx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cmu CLK_SPI0>, <&cmu CLK_SCLK_SPI0>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_bus>;
+ status = "disabled";
+ };
+
+ spi_1: spi@13930000 {
+ compatible = "samsung,exynos4210-spi";
+ reg = <0x13930000 0x100>;
+ interrupts = <0 122 0>;
+ dmas = <&pdma1 7>, <&pdma1 6>;
+ dma-names = "tx", "rx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cmu CLK_SPI1>, <&cmu CLK_SCLK_SPI1>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi1_bus>;
+ status = "disabled";
+ };
+
pmu {
compatible = "arm,cortex-a7-pmu";
interrupts = <0 18 0>, <0 19 0>, <0 20 0>, <0 21 0>;
--
1.8.0
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