arch/mips/boot/dts/pistachio/pistachio_marduk.dts

/*
 * Copyright (C) 2015 Imagination Technologies Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

/dts-v1/;

#include "pistachio.dtsi"
#include <dt-bindings/sound/pistachio-audio.h>

/ {
	model = "IMG Marduk";
	compatible = "img,pistachio-marduk", "img,pistachio";

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		ethernet0 = &enet;
	};

	chosen {
		bootargs = "console=ttyS1,115200n8 earlycon=uart8250,mmio32,0x18101500,115200 root=/dev/sda1 rootwait ro";
	};

	memory {
		device_type = "memory";
		reg =  <0x00000000 0x08000000>;
	};

	reg_1v8: fixed-regulator {
		compatible = "regulator-fixed";
		regulator-name = "aux_adc_vref";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-boot-on;
	};

	/* EXT clock from cc2520 is fed to sc16is752 */
	cc2520_ext_clk: cc2520-ext-clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <16000000>;
		clock-output-names = "cc2520_ext_clock";
        };

	pistachio_audio_card {
		compatible = "img,pistachio-audio";

		clocks = <&clk_core CLK_AUDIO_PLL>,
			 <&clk_core CLK_I2S>,
			 <&clk_core CLK_AUDIO>;
		clock-names = "audio_pll", "i2s_mclk", "dac_clk";

		img,cr-periph = <&cr_periph>;
		img,event-timer = <&event_timer>;

		pinctrl-names = "default";
		pinctrl-0 = <&dac_clk_pin>, <&i2s_mclk_pin>;

		spdif-out {
			cpu-dai = <&spdif_out>;
		};

		spdif-in {
			cpu-dai = <&spdif_in>;
		};

		parallel-out {
			cpu-dai = <&parallel_out>;
			sound-dai = <&internal_dac>;
		};

		i2s-out {
			cpu-dai = <&i2s_out>;
			format = "i2s";
		};

		i2s-in {
			cpu-dai = <&i2s_in>;
			format = "i2s";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		switch@1 {
			label = "SWITCH 1";
			linux,code = <0x101>; /* BTN_1 */
			gpios = <&gpio2 13 GPIO_ACTIVE_LOW>;
		};
		switch@2 {
			label = "SWITCH 2";
			linux,code = <0x102>; /* BTN_2 */
			gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
		};
	};

	gpio_leds {
		compatible = "gpio-leds";
		user1 {
			label = "marduk:red:user1";
			gpios = <&sc16is752 0 GPIO_ACTIVE_LOW>;
		};
		user2 {
			label = "marduk:red:user2";
			gpios = <&sc16is752 1 GPIO_ACTIVE_LOW>;
		};
		user3 {
			label = "marduk:red:user3";
			gpios = <&sc16is752 2 GPIO_ACTIVE_LOW>;
		};
		user4 {
			label = "marduk:red:user4";
			gpios = <&sc16is752 3 GPIO_ACTIVE_LOW>;
		};
		user5 {
			label = "marduk:red:user5";
			gpios = <&sc16is752 4 GPIO_ACTIVE_LOW>;
		};
		user6 {
			label = "marduk:red:user6";
			gpios = <&sc16is752 5 GPIO_ACTIVE_LOW>;
		};
		user7 {
			label = "marduk:red:user7";
			gpios = <&sc16is752 6 GPIO_ACTIVE_LOW>;
		};
		heartbeat {
			label = "marduk:red:heartbeat";
			gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
	};
};

&spim0_clk {
	drive-strength = <2>;
};

&spfi0 {
	status = "okay";
	pinctrl-0 = <&spim0_pins>;
	pinctrl-names = "default";

	cs-gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>, <&gpio0 2 GPIO_ACTIVE_HIGH>,
			<&gpio1 12 GPIO_ACTIVE_HIGH>, <&gpio1 13 GPIO_ACTIVE_HIGH>;

	cc2520@0 {
		compatible = "ti,cc2520";
		reg = <0>;
		spi-max-frequency = <4000000>;
		fifo-gpio = <&gpio3 4 GPIO_ACTIVE_HIGH>;
		fifop-gpio = <&gpio3 5 GPIO_ACTIVE_HIGH>;
		sfd-gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
		cca-gpio = <&gpio3 6 GPIO_ACTIVE_HIGH>;
		vreg-gpio = <&gpio2 12 GPIO_ACTIVE_HIGH>;
		reset-gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
		extclock-freq = <16000000>;
	};

	sc16is752: sc16is752@1 {
		compatible = "nxp,sc16is752";
		reg = <1>;
		clocks = <&cc2520_ext_clk>;
		spi-max-frequency = <4000000>;
		interrupt-parent = <&gpio0>;
		interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
		gpio-controller;
		#gpio-cells = <2>;
	};

	spidev@2 {
		compatible = "img,click-interface";
		reg = <2>;
		spi-max-frequency = <2000000>;
	};

	spidev@3 {
		compatible = "img,click-interface";
		reg = <3>;
		spi-max-frequency = <2000000>;
	};
};

&spfi1 {
	status = "okay";

	pinctrl-0 = <&spim1_pins>, <&spim1_quad_pins>;
	pinctrl-names = "default";
	cs-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>, <&gpio0 1 GPIO_ACTIVE_HIGH>;

	flash@0 {
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <50000000>;
		linux,mtd-name = "spi-nor";
	};

	flash@1 {
		compatible = "gigadevice,gd5f";
		reg = <1>;
		spi-max-frequency = <50000000>;
		nand-on-flash-bbt;
		spi-rx-bus-width = <4>;
		#address-cells = <1>;
		#size-cells = <1>;
		linux,mtd-name = "spi-nand";
	};
};

&uccphostport {
	status = "okay";
};

&uccpdummyhp {
	status = "okay";
};

&uart0 {
	status = "okay";
	assigned-clock-rates = <114278400>, <1843200>;
};

&uart1 {
	status = "okay";
};

&usb {
	status = "okay";
};

&usb_phy {
	pinctrl-names = "default";
	pinctrl-0 = <&usb_pwr_on_pins>;
	enable-vbus-drive;
};

&enet {
	status = "okay";

	mac-address = [0019f5ffff00];
};

&sdhost {
	status = "okay";
	bus-width = <4>;
	disable-wp;
};

&ir {
	status = "okay";
};

&pwm {
	status = "okay";

	pinctrl-0 = <&pwmpdm0_pin>, <&pwmpdm1_pin>, <&pwmpdm2_pin>,
		    <&pwmpdm3_pin>;
	pinctrl-names = "default";
};

&adc {
	status = "okay";
	vref-supply = <&reg_1v8>;
};

&i2c2 {
	status = "okay";
	clock-frequency = <400000>;
};

&i2c3 {
	status = "okay";
	clock-frequency = <400000>;
};

&wifi {
       status = "okay";
       mac-address0 = [0019f5ffff01];
       mac-address1 = [0019f5ffff02];
       rf-params = [1E00000000002426292A2C2E3237393F454A52576066000000002B2C3033373A3D44474D51575A61656B6F000000002B2C3033373A3D44474D51575A61656B6F000000002B2C3033373A3D44474D51575A61656B6F000000002B2C3033373A3D44474D51575A61656B6F00000000002426292A2C2E3237393F454A52576066000000002B2C3033373A3D44474D51575A61656B6F000000002B2C3033373A3D44474D51575A61656B6F000000002B2C3033373A3D44474D51575A61656B6F000000002B2C3033373A3D44474D51575A61656B6F0808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808];
       num_streams = [02];
};


&i2s_out {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&i2s_out_pins>;
};

&i2s_in {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&i2s_in_pins>;
};

&i2s_out_pins {
	i2s-out {
		pins = "mfio37", "mfio38", "mfio39",
		       "mfio40", "mfio41";
		function = "i2s_out";
	};
};

&i2s_in_pins {
	i2s-in {
		pins = "mfio47", "mfio48", "mfio49",
		       "mfio50", "mfio51";
		function = "i2s_in";
	};
};

&spdif_out {
	status = "okay";
};

&spdif_in {
	status = "okay";
};

&parallel_out {
	status = "okay";
};