// 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";

	spidev_frag: fragment@0 {
		target-path = "spi0/spidev@0";
		__overlay__ {
			status = "disabled";
		};
	};

	sc16is75x_frag: fragment@1 {
		target = <&spi0>;
		__overlay__ {
			#address-cells = <1>;
			#size-cells = <0>;
			status = "okay";

			sc16is75x: sc16is750@0 {
				compatible = "nxp,sc16is750";
				reg = <0>;
				clocks = <&sc16is75x_clk>;
				interrupt-parent = <&gpio>;
				interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
				pinctrl-0 = <&sc16is75x_pins>;
				pinctrl-names = "default";
				gpio-controller;
				#gpio-cells = <2>;
				spi-max-frequency = <4000000>;
			};
		};
	};

	fragment@2 {
		target-path = "/";
		__overlay__ {
			sc16is75x_clk: sc16is75x_clk {
				compatible = "fixed-clock";
				#clock-cells = <0>;
				clock-frequency = <14745600>;
			};
		};
	};

	fragment@3 {
		target = <&gpio>;
		__overlay__ {
			sc16is75x_pins: sc16is75x_pins@18 {
				brcm,pins = <24>;
				brcm,function = <BCM2835_FSEL_GPIO_IN>;
				brcm,pull = <BCM2835_PUD_OFF>;
			};
		};
	};

	fragment@4 {
		target = <&gpio>;
		__dormant__ {
			spi1_pins: spi1_pins {
				brcm,pins = <19 20 21>;
				brcm,function = <3>; /* alt4 */
			};

			spi1_cs_pins: spi1_cs_pins {
				brcm,pins = <18>;
				brcm,function = <1>; /* output */
			};
		};
	};

	fragment@5 {
		target = <&spi1>;
		__dormant__ {
			#address-cells = <1>;
			#size-cells = <0>;
			pinctrl-names = "default";
			pinctrl-0 = <&spi1_pins &spi1_cs_pins>;
			cs-gpios = <&gpio 18 1>;
			status = "okay";
		};
	};

	fragment@6 {
		target = <&aux>;
		__dormant__ {
			status = "okay";
		};
	};

	__overrides__ {
		sc16is750 = <&sc16is75x>,"compatible=nxp,sc16is750",
			<&sc16is75x>, "name=sc16is750@0";
		sc16is752 = <&sc16is75x>,"compatible=nxp,sc16is752",
			<&sc16is75x>, "name=sc16is752@0";
		int_pin = <&sc16is75x>,"interrupts:0",
			<&sc16is75x_pins>,"brcm,pins:0",
			<&sc16is75x_pins>,"reg:0";
		xtal = <&sc16is75x_clk>,"clock-frequency:0";
		spi0-0 = <&spidev_frag>, "target-path=spi0/spidev@0",
			<&sc16is75x_frag>, "target:0=", <&spi0>,
			<&sc16is75x_pins>, "name=sc16is75x_spi0_0_pins";
		spi0-1 = <&spidev_frag>, "target-path=spi0/spidev@1",
			<&sc16is75x_frag>, "target:0=", <&spi0>,
			<&sc16is75x>, "reg:0=1",
			<&sc16is75x_pins>, "name=sc16is75x_spi0_1_pins";
		spi1-0 = <0>, "-0",
			<&sc16is75x_frag>, "target:0=", <&spi1>,
			<&sc16is75x_pins>, "name=sc16is75x_spi1_0_pins";
		spi1-1cs = <0>,"+4+5+6";
		spi1-1 = <0>, "-0",
			<&sc16is75x_frag>, "target:0=", <&spi1>,
			<&sc16is75x>, "reg:0=1",
			<&sc16is75x_pins>, "name=sc16is75x_spi1_1_pins";
		spi1-2 = <0>, "-0",
			<&sc16is75x_frag>, "target:0=", <&spi1>,
			<&sc16is75x>, "reg:0=2",
			<&sc16is75x_pins>, "name=sc16is75x_spi1_2_pins";
		spi2-0 = <0>, "-0",
			<&sc16is75x_frag>, "target:0=", <&spi2>,
			<&sc16is75x_pins>, "name=sc16is75x_spi2_0_pins";
		spi2-1 = <0>, "-0",
			<&sc16is75x_frag>, "target:0=", <&spi2>,
			<&sc16is75x>, "reg:0=1",
			<&sc16is75x_pins>, "name=sc16is75x_spi2_1_pins";
		spi2-2 = <0>, "-0",
			<&sc16is75x_frag>, "target:0=", <&spi2>,
			<&sc16is75x>, "reg:0=2",
			<&sc16is75x_pins>, "name=sc16is75x_spi2_2_pins";
		spi3-0 = <0>, "-0",
			<&sc16is75x_frag>, "target?=0",
			<&sc16is75x_frag>, "target-path=spi3",
			<&sc16is75x_pins>, "name=sc16is75x_spi3_0_pins";
		spi3-1 = <0>, "-0",
			<&sc16is75x_frag>, "target?=0",
			<&sc16is75x_frag>, "target-path=spi3",
			<&sc16is75x>, "reg:0=1",
			<&sc16is75x_pins>, "name=sc16is75x_spi3_1_pins";
		spi4-0 = <0>, "-0",
			<&sc16is75x_frag>, "target?=0",
			<&sc16is75x_frag>, "target-path=spi4",
			<&sc16is75x_pins>, "name=sc16is75x_spi4_0_pins";
		spi4-1 = <0>, "-0",
			<&sc16is75x_frag>, "target?=0",
			<&sc16is75x_frag>, "target-path=spi4",
			<&sc16is75x>, "reg:0=1",
			<&sc16is75x_pins>, "name=sc16is75x_spi4_1_pins";
		spi5-0 = <0>, "-0",
			<&sc16is75x_frag>, "target?=0",
			<&sc16is75x_frag>, "target-path=spi5",
			<&sc16is75x_pins>, "name=sc16is75x_spi5_0_pins";
		spi5-1 = <0>, "-0",
			<&sc16is75x_frag>, "target?=0",
			<&sc16is75x_frag>, "target-path=spi5",
			<&sc16is75x>, "reg:0=1",
			<&sc16is75x_pins>, "name=sc16is75x_spi5_1_pins";
		spi6-0 = <0>, "-0",
			<&sc16is75x_frag>, "target?=0",
			<&sc16is75x_frag>, "target-path=spi6",
			<&sc16is75x_pins>, "name=sc16is75x_spi6_0_pins";
		spi6-1 = <0>, "-0",
			<&sc16is75x_frag>, "target?=0",
			<&sc16is75x_frag>, "target-path=spi6",
			<&sc16is75x>, "reg:0=1",
			<&sc16is75x_pins>, "name=sc16is75x_spi6_1_pins";
	};
};