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Commit 0ebdbc50 authored by Sergei Shtylyov's avatar Sergei Shtylyov Committed by Simon Horman
Browse files

ARM: shmobile: silk: add QSPI DT support 



Define the SILK board dependent part of the QSPI device node.
Add device nodes  for Spansion  S25FL512S SPI flash and MTD partitions on it.

Based on the original patch by Vladimir Barinov
<vladimir.barinov@cogentembedded.com>.

Signed-off-by: default avatarSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 740b4a9f

arch/arm/boot/dts/r8a7794-silk.dts

+40 −0
Original line number Diff line number Diff line
@@ -65,6 +65,11 @@ 
		renesas,groups = "mmc_data8", "mmc_ctrl";

		renesas,function = "mmc";

	};



	qspi_pins: spi0 {

		renesas,groups = "qspi_ctrl", "qspi_data4";

		renesas,function = "qspi";

	};

};



&scif2 {
@@ -100,3 +105,38 @@ 
	non-removable;

	status = "okay";

};



&qspi {

	pinctrl-0 = <&qspi_pins>;

	pinctrl-names = "default";



	status = "okay";



	flash@0 {

		#address-cells = <1>;

		#size-cells = <1>;

		compatible = "spansion,s25fl512s", "jedec,spi-nor";

		reg = <0>;

		spi-max-frequency = <30000000>;

		spi-tx-bus-width = <4>;

		spi-rx-bus-width = <4>;

		spi-cpol;

		spi-cpha;

		m25p,fast-read;



		partition@0 {

			label = "loader";

			reg = <0x00000000 0x00040000>;

			read-only;

		};

		partition@40000 {

			label = "user";

			reg = <0x00040000 0x00400000>;

			read-only;

		};

		partition@440000 {

			label = "flash";

			reg = <0x00440000 0x03bc0000>;

		};

	};

};