// Overlay for JEDEC SPI-NOR Flash Devices (aka m25p80)

// dtparams:
//     flash-spi<n>-<m>        - Enables flash device on SPI<n>, CS#<m>.
//     flash-fastr-spi<n>-<m>  - Enables flash device with fast read capability on SPI<n>, CS#<m>.
//
// If devices are present on SPI1 or SPI2, those interfaces must be enabled with one of the spi1-1/2/3cs and/or spi2-1/2/3cs overlays.
//
// Example: A single flash device with fast read capability on SPI0, CS#0:
// dtoverlay=jedec-spi-nor:flash-fastr-spi0-0

/dts-v1/;
/plugin/;

/ {
	compatible = "brcm,bcm2835";

	// disable spi-dev on spi0.0
	fragment@0 {
		target = <&spidev0>;
		__dormant__ {
			status = "disabled";
		};
	};

	// disable spi-dev on spi0.1
	fragment@1 {
		target = <&spidev1>;
		__dormant__ {
			status = "disabled";
		};
	};

	// disable spi-dev on spi1.0
	fragment@2 {
		target-path = "spi1/spidev@0";
		__dormant__ {
			status = "disabled";
		};
	};

	// disable spi-dev on spi1.1
	fragment@3 {
		target-path = "spi1/spidev@1";
		__dormant__ {
			status = "disabled";
		};
	};

	// disable spi-dev on spi1.2
	fragment@4 {
		target-path = "spi1/spidev@2";
		__dormant__ {
			status = "disabled";
		};
	};

	// disable spi-dev on spi2.0
	fragment@5 {
		target-path = "spi2/spidev@0";
		__dormant__ {
			status = "disabled";
		};
	};

	// disable spi-dev on spi2.1
	fragment@6 {
		target-path = "spi2/spidev@1";
		__dormant__ {
			status = "disabled";
		};
	};

	// disable spi-dev on spi2.2
	fragment@7 {
		target-path = "spi2/spidev@2";
		__dormant__ {
			status = "disabled";
		};
	};

	// enable flash on spi0.0
	fragment@8 {
		target = <&spi0>;
		__dormant__ {
			status = "okay";
                        #address-cells = <1>;
                        #size-cells = <0>;
			spi_nor_00: spi_nor@0 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "jedec,spi-nor";
				reg = <0>;
				spi-max-frequency = <500000>;
			};
		};
	};

	// enable flash on spi0.1
	fragment@9 {
		target = <&spi0>;
		__dormant__ {
			status = "okay";
                        #address-cells = <1>;
                        #size-cells = <0>;
			spi_nor_01: spi_nor@1 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "jedec,spi-nor";
				reg = <1>;
				spi-max-frequency = <500000>;
			};
		};
	};

	// enable flash on spi1.0
	fragment@10 {
		target = <&spi1>;
		__dormant__ {
			status = "okay";
                        #address-cells = <1>;
                        #size-cells = <0>;
			spi_nor_10: spi_nor@0 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "jedec,spi-nor";
				reg = <0>;
				spi-max-frequency = <500000>;
			};
		};
	};

	// enable flash on spi1.1
	fragment@11 {
		target = <&spi1>;
		__dormant__ {
			status = "okay";
                        #address-cells = <1>;
                        #size-cells = <0>;
			spi_nor_11: spi_nor@1 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "jedec,spi-nor";
				reg = <1>;
				spi-max-frequency = <500000>;
			};
		};
	};

	// enable flash on spi1.2
	fragment@12 {
		target = <&spi1>;
		__dormant__ {
			status = "okay";
                        #address-cells = <1>;
                        #size-cells = <0>;
			spi_nor_12: spi_nor@2 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "jedec,spi-nor";
				reg = <2>;
				spi-max-frequency = <500000>;
			};
		};
	};

	// enable flash on spi2.0
	fragment@13 {
		target = <&spi2>;
		__dormant__ {
			status = "okay";
                        #address-cells = <1>;
                        #size-cells = <0>;
			spi_nor_20: spi_nor@0 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "jedec,spi-nor";
				reg = <0>;
				spi-max-frequency = <500000>;
			};
		};
	};

	// enable flash on spi2.1
	fragment@14 {
		target = <&spi2>;
		__dormant__ {
			status = "okay";
                        #address-cells = <1>;
                        #size-cells = <0>;
			spi_nor_21: spi_nor@1 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "jedec,spi-nor";
				reg = <1>;
				spi-max-frequency = <500000>;
			};
		};
	};

	// enable flash on spi2.2
	fragment@15 {
		target = <&spi2>;
		__dormant__ {
			status = "okay";
                        #address-cells = <1>;
                        #size-cells = <0>;
			spi_nor_22: spi_nor@2 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "jedec,spi-nor";
				reg = <2>;
				spi-max-frequency = <500000>;
			};
		};
	};

	// Enable fast read for device on spi0.0.
	// Use default active low interrupt signalling.
	fragment@16 {
		target = <&spi_nor_00>;
		__dormant__ {
			m25p,fast-read;
		};
	};

	// Enable fast read for device on spi0.1.
	// Use default active low interrupt signalling.
	fragment@17 {
		target = <&spi_nor_01>;
		__dormant__ {
			m25p,fast-read;
		};
	};

	// Enable fast read for device on spi1.0.
	// Use default active low interrupt signalling.
	fragment@18 {
		target = <&spi_nor_10>;
		__dormant__ {
			m25p,fast-read;
		};
	};

	// Enable fast read for device on spi1.1.
	// Use default active low interrupt signalling.
	fragment@19 {
		target = <&spi_nor_11>;
		__dormant__ {
			m25p,fast-read;
		};
	};

	// Enable fast read for device on spi1.2.
	// Use default active low interrupt signalling.
	fragment@20 {
		target = <&spi_nor_12>;
		__dormant__ {
			m25p,fast-read;
		};
	};

	// Enable fast read for device on spi2.0.
	// Use default active low interrupt signalling.
	fragment@21 {
		target = <&spi_nor_20>;
		__dormant__ {
			m25p,fast-read;
		};
	};

	// Enable fast read for device on spi2.1.
	// Use default active low interrupt signalling.
	fragment@22 {
		target = <&spi_nor_21>;
		__dormant__ {
			m25p,fast-read;
		};
	};

	// Enable fast read for device on spi2.2.
	// Use default active low interrupt signalling.
	fragment@23 {
		target = <&spi_nor_22>;
		__dormant__ {
			m25p,fast-read;
		};
	};

	__overrides__ {
		flash-spi0-0       = <0>,"+0+8";
		flash-spi0-1       = <0>,"+1+9";
		flash-spi1-0       = <0>,"+2+10";
		flash-spi1-1       = <0>,"+3+11";
		flash-spi1-2       = <0>,"+4+12";
		flash-spi2-0       = <0>,"+5+13";
		flash-spi2-1       = <0>,"+6+14";
		flash-spi2-2       = <0>,"+7+15";
		flash-fastr-spi0-0 = <0>,"+0+8+16";
		flash-fastr-spi0-1 = <0>,"+1+9+17";
		flash-fastr-spi1-0 = <0>,"+2+10+18";
		flash-fastr-spi1-1 = <0>,"+3+11+19";
		flash-fastr-spi1-2 = <0>,"+4+12+20";
		flash-fastr-spi2-0 = <0>,"+5+13+21";
		flash-fastr-spi2-1 = <0>,"+6+14+22";
		flash-fastr-spi2-2 = <0>,"+7+15+23";
	};
};