// SPDX-License-Identifier: (GPL-2.0 OR MIT)

/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pinctrl/bcm2835.h>

/ {
	compatible = "brcm,bcm2835";

	fragment@0 {
		target = <&spidev0>;
		__dormant__ {
			status = "disabled";
		};
	};

	fragment@1 {
		target = <&spidev1>;
		__dormant__ {
			status = "disabled";
		};
	};

	fragment@2 {
		target-path = "spi1/spidev@0";
		__dormant__ {
			status = "disabled";
		};
	};

	fragment@3 {
		target-path = "spi1/spidev@1";
		__dormant__ {
			status = "disabled";
		};
	};

	fragment@4 {
		target-path = "spi1/spidev@2";
		__dormant__ {
			status = "disabled";
		};
	};

	fragment@5 {
		target-path = "spi2/spidev@0";
		__dormant__ {
			status = "disabled";
		};
	};

	fragment@6 {
		target-path = "spi2/spidev@1";
		__dormant__ {
			status = "disabled";
		};
	};

	fragment@7 {
		target-path = "spi2/spidev@2";
		__dormant__ {
			status = "disabled";
		};
	};

	fragment@8 {
		target = <&gpio>;
		__overlay__ {
			mcp2515_pins: mcp2515_pins {
				brcm,pins = <25>;
				brcm,function = <BCM2835_FSEL_GPIO_IN>;
			};
		};
	};

	fragment@9 {
		target-path = "/clocks";
		__overlay__ {
			clk_mcp2515_osc: mcp2515-osc {
				#clock-cells = <0>;
				compatible = "fixed-clock";
				clock-frequency = <16000000>;
			};
		};
	};

	mcp2515_frag: fragment@10 {
		target = <&spi0>;
		__overlay__ {
			status = "okay";
			#address-cells = <1>;
			#size-cells = <0>;

			mcp2515: mcp2515@0 {
				compatible = "microchip,mcp2515";
				reg = <0>;
				pinctrl-names = "default";
				pinctrl-0 = <&mcp2515_pins>;
				spi-max-frequency = <10000000>;
				interrupt-parent = <&gpio>;
				interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
				clocks = <&clk_mcp2515_osc>;
			};
		};
	};

	__overrides__ {
		spi0-0 = <0>, "+0",
			<&mcp2515_frag>, "target:0=", <&spi0>,
			<&mcp2515>, "reg:0=0",
			<&mcp2515_pins>, "name=mcp2515_spi0_0_pins",
			<&clk_mcp2515_osc>, "name=mcp2515-spi0-0-osc";
		spi0-1 = <0>, "+1",
			<&mcp2515_frag>, "target:0=", <&spi0>,
			<&mcp2515>, "reg:0=1",
			<&mcp2515_pins>, "name=mcp2515_spi0_1_pins",
			<&clk_mcp2515_osc>, "name=mcp2515-spi0-1-osc";
		spi1-0 = <0>, "+2",
			<&mcp2515_frag>, "target:0=", <&spi1>,
			<&mcp2515>, "reg:0=0",
			<&mcp2515_pins>, "name=mcp2515_spi1_0_pins",
			<&clk_mcp2515_osc>, "name=mcp2515-spi1-0-osc";
		spi1-1 = <0>, "+3",
			<&mcp2515_frag>, "target:0=", <&spi1>,
			<&mcp2515>, "reg:0=1",
			<&mcp2515_pins>, "name=mcp2515_spi1_1_pins",
			<&clk_mcp2515_osc>, "name=mcp2515-spi1-1-osc";
		spi1-2 = <0>, "+4",
			<&mcp2515_frag>, "target:0=", <&spi1>,
			<&mcp2515>, "reg:0=2",
			<&mcp2515_pins>, "name=mcp2515_spi1_2_pins",
			<&clk_mcp2515_osc>, "name=mcp2515-spi1-2-osc";
		spi2-0 = <0>, "+5",
			<&mcp2515_frag>, "target:0=", <&spi2>,
			<&mcp2515>, "reg:0=0",
			<&mcp2515_pins>, "name=mcp2515_spi2_0_pins",
			<&clk_mcp2515_osc>, "name=mcp2515-spi2-0-osc";
		spi2-1 = <0>, "+6",
			<&mcp2515_frag>, "target:0=", <&spi2>,
			<&mcp2515>, "reg:0=1",
			<&mcp2515_pins>, "name=mcp2515_spi2_1_pins",
			<&clk_mcp2515_osc>, "name=mcp2515-spi2-1-osc";
		spi2-2 = <0>, "+7",
			<&mcp2515_frag>, "target:0=", <&spi2>,
			<&mcp2515>, "reg:0=2",
			<&mcp2515_pins>, "name=mcp2515_spi2_2_pins",
			<&clk_mcp2515_osc>, "name=mcp2515-spi2-2-osc";
		oscillator = <&clk_mcp2515_osc>, "clock-frequency:0";
		speed = <&mcp2515>, "spi-max-frequency:0";
		interrupt = <&mcp2515_pins>, "brcm,pins:0",
			<&mcp2515>, "interrupts:0";
	};
};