ARM: dts: enable spi for EXYNOS5440 SOC (dabd3f9d) · Commits · 戴 / test

arch/arm/boot/dts/exynos5440-ssdk5440.dts

+37 −2

Original line number	Diff line number	Diff line
		@@ -20,8 +20,43 @@
		bootargs = "root=/dev/sda2 rw rootwait ignore_loglevel early_printk no_console_suspend mem=2048M@0x80000000 console=ttySAC0,115200";
		};

		spi {
		status = "disabled";
		spi_0: spi@D0000 {

		flash: w25q128@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "winbond,w25q128";
		spi-max-frequency = <15625000>;
		reg = <0>;
		controller-data {
		samsung,spi-feedback-delay = <0>;
		};

		partition@00000 {
		label = "BootLoader";
		reg = <0x60000 0x80000>;
		read-only;
		};

		partition@e0000 {
		label = "Recovery-Kernel";
		reg = <0xe0000 0x300000>;
		read-only;
		};

		partition@3e0000 {
		label = "CRAM-FS";
		reg = <0x3e0000 0x700000>;
		read-only;
		};

		partition@ae0000 {
		label = "User-Data";
		reg = <0xae0000 0x520000>;
		};

		};

		};

		fixed-rate-clocks {

+9 −5

Original line number	Diff line number	Diff line
		@@ -16,6 +16,10 @@

		interrupt-parent = <&gic>;

		aliases {
		spi0 = &spi_0;
		};

		clock: clock-controller@0x160000 {
		compatible = "samsung,exynos5440-clock";
		reg = <0x160000 0x1000>;
		@@ -101,14 +105,14 @@
		clock-names = "uart", "clk_uart_baud0";
		};

		spi {
		compatible = "samsung,exynos4210-spi";
		reg = <0xD0000 0x1000>;
		spi_0: spi@D0000 {
		compatible = "samsung,exynos5440-spi";
		reg = <0xD0000 0x100>;
		interrupts = <0 4 0>;
		tx-dma-channel = <&pdma0 5>; /* preliminary */
		rx-dma-channel = <&pdma0 4>; /* preliminary */
		#address-cells = <1>;
		#size-cells = <0>;
		samsung,spi-src-clk = <0>;
		num-cs = <1>;
		clocks = <&clock 21>, <&clock 16>;
		clock-names = "spi", "spi_busclk0";
		};