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Commit 4980c39b authored by Thomas Abraham's avatar Thomas Abraham Committed by Kukjin Kim
Browse files

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



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: default avatarThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent d40af365

arch/arm/boot/dts/exynos4210-origen.dts

+12 −0
Original line number Diff line number Diff line
@@ -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";

	};

};

arch/arm/boot/dts/exynos4210-smdkv310.dts

+38 −0
Original line number Diff line number Diff line
@@ -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>;

			};

		};

	};

};

arch/arm/boot/dts/exynos4210.dtsi

+36 −0
Original line number Diff line number Diff line
@@ -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>;