ARM: dts: r8a7744-iwg20m: Add SPI NOR support (e259e047) · Commits · 戴 / test

Add support for the SPI NOR device used to boot up the system to the iWave RZ/G1N Qseven System On Module DT. Signed-off-by:

arch/arm/boot/dts/r8a7744-iwg20m.dtsi

+26 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,11 @@
		function = "mmc";
		};

		qspi_pins: qspi {
		groups = "qspi_ctrl", "qspi_data2";
		function = "qspi";
		};

		sdhi0_pins: sd0 {
		groups = "sdhi0_data4", "sdhi0_ctrl";
		function = "sdhi0";
		@@ -53,6 +58,27 @@
		status = "okay";
		};

		&qspi {
		pinctrl-0 = <&qspi_pins>;
		pinctrl-names = "default";

		status = "okay";

		/* WARNING - This device contains the bootloader. Handle with care. */
		flash: flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <50000000>;
		spi-tx-bus-width = <2>;
		spi-rx-bus-width = <2>;
		m25p,fast-read;
		spi-cpol;
		spi-cpha;
		};
		};

		&sdhi0 {
		pinctrl-0 = <&sdhi0_pins>;
		pinctrl-names = "default";