usr/src/boot/sys/boot/fdt/dts/arm/yyhd18-m3.dts

/*-
 * Copyright (c) 2015 John Wehle <john@feith.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */

/*
 * The ordering of certain devices is significant (e.g. usb depends on
 * usb-phy which depends on gpio, also the timer should appear early on
 * to provide a reasonably accurate DELAY implementation).
 */

/dts-v1/;

/memreserve/ 0x84900000 0x00600000;			/* 6MB frame buffer */

#include "meson3.dtsi"

/ {
	/*
	 * My development unit is a Yiyate Android TV Box containing
	 * a HD18 motherboard and an aml8726-m3 SoC ... later versions
	 * shipped with an aml8726-m6.  Printenv in uboot shows m3-oplay
	 * as the boardname supplied as part of mmcargs.
	 */

	model = "yiyate,hd18-m3";
	compatible = "yiyate,hd18-m3", "amlogic,meson3";

	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		soc = &soc;
		screen = &screen;
		uart0 = &uart_AO;
	};

	memory {
		device_type = "memory";
		reg = <0x80000000 0x40000000>;		/* 1GB RAM */
	};

	soc: soc {
		device_type = "soc";
		bus-frequency = <0>;

		ccm@c1104140 {
			compatible = "amlogic,aml8726-ccm";
			reg = <0xc1104140 20>;	/* cbus 0x1050 */

			functions = "ethernet", "i2c", "rng", "sdio",
				    "uart-a", "uart-b", "uart-c",
				    "usb-a", "usb-b";
		};

		pinctrl: pinctrl@c11080b0 {
			compatible = "amlogic,aml8726-pinctrl";
			reg = <0xc11080b0 40>,	/* mux */
			      <0xc11080e8 24>,	/* pu/pd */
			      <0xc11080e8 24>,	/* pull enable */
			      <0xc8100014 4>,	/* ao mux */
			      <0xc810002c 4>,	/* ao pu/pd */
			      <0xc810002c 4>;	/* ao pull enable */

			/*
			 * Currently only pin muxing that deviates
			 * from the power on default of gpio is
			 * specified here.
			 */

			pinctrl-names = "default";
			pinctrl-0 = <&pins_uartao &pins_ethernet &pins_hdmi>;

			pins_ethernet: ethernet {
				amlogic,pins = "clk_out", "tx_en",
					       "tx_d0",  "tx_d1",
					       "crs_dv", "rx_err",
					       "rx_d0",  "rx_d1",
					       "mdc",    "mdio";
				amlogic,function = "ethernet";
			};

			pins_hdmi: hdmi {
				amlogic,pins = "cec", "hpd",
					       "scl", "sda";
				amlogic,function = "hdmi";
			};

			pins_sdio_b: sdio_b {
				amlogic,pins = "clk", "cmd",
					       "d0",  "d1",
					       "d2",  "d3";
				amlogic,function = "sdio-b";
			};

			pins_uartao: uartao {
				amlogic,pins = "tx", "rx";
				amlogic,function = "uart-ao";
			};
		};

		rtc@c8100740 {
			compatible = "amlogic,aml8726-rtc";
			reg = <0xc8100740 20>;	/* aobus 0x1d0 */
			interrupts = <0 72 1>;	/* AM_IRQ2(8) */
		};

		clkmsr: clkmsr@c1108758 {
			compatible = "amlogic,aml8726-clkmsr";
			reg = <0xc1108758 16>;	/* cbus 0x21d6 */

			clocks = <&clk81>;
		};

		gpio5: gpio@c110806c {
			compatible = "amlogic,aml8726-gpio";
			reg = <0xc110806c 4>,	/* oen cbus 0x201b */
			      <0xc1108070 4>,	/* out */
			      <0xc1108074 4>;	/* in */

			gpio-controller;
			#gpio-cells = <1>;
			pin-count = <32>;
		};

		mmc@c1108c20 {
			compatible = "amlogic,aml8726-mmc";
			reg = <0xc1108c20 32>;	/* cbus 0x2308 */
			interrupts = <0 28 1>;	/* AM_IRQ0(28) */

			clocks = <&clk81>;

			pinctrl-names = "default";
			pinctrl-0 = <&pins_sdio_b>;

			mmc-voltages = "3.3";

			mmc-pwr-en = <&gpio5 31 0>;	/* card_8 */
			ins-detect = <&gpio5 29 0>;	/* card_6 */
		};

		rng@c1108100 {
			compatible = "amlogic,aml8726-rng";
			reg = <0xc1108100 8>;	/* cbus 0x2040 */
		};

		usb-phy@c1108400 {
			/* usb-a and usb-b phy */
			compatible = "amlogic,aml8726-m3-usb-phy";
			reg = <0xc1108400 32>;	/* cbus 0x2100 */
		};

		usb@c9040000 {
			/* usb-a */
			compatible = "synopsys,designware-hs-otg2";
			reg = <0xc9040000 0x40000>;	/* ahbbus 0x40000*/
			interrupts = <0 30 4>;		/* AM_IRQ0(30) */
			#address-cells = <1>;
			#size-cells = <0>;
		};

		usb@c90c0000 {
			/* usb-b */
			compatible = "synopsys,designware-hs-otg2";
			reg = <0xc90c0000 0x40000>;	/* ahbbus 0xc0000 */
			interrupts = <0 31 4>;		/* AM_IRQ0(31) */
			#address-cells = <1>;
			#size-cells = <0>;

			dr_mode = "host";
		};

		eth@c9410000 {
			/* ethernet */
			compatible = "snps,dwmac";
			reg = <0xc9410000 0x2000>;	/* ahbbus 0x410000 */
			interrupts = <0 8 1>;		/* AM_IRQ0(8) */
			#address-cells = <1>;
			#size-cells = <0>;
		};

		screen: fb@c8001324 {
			device_type = "display";
			compatible = "amlogic,aml8726-fb";
			reg = <0xc8001324 12>,		/* CANVAS */
			      <0xc1106800 1024>,	/* VIU */
			      <0xc1107400 1024>;	/* VPP */
			interrupts = <0 2 1>,		/* AM_IRQ0(2) */
				     <0 3 1>,		/* AM_IRQ0(3) */
				     <0 12 1>,		/* AM_IRQ0(12) */
				     <0 13 1>;		/* AM_IRQ0(13) */

			address = <0x84900000>;	/* match memreserve */
			width = <720>;
			height = <480>;
			depth = <24>;
			linebytes = <2160>;
		};
	};

	chosen {
		stdin = "uart0";
		stdout = "uart0";
	};
};

&clk81 {
	clock-frequency = <0>;
};

&uart_AO {
	status = "okay";
	current-speed = <115200>;
};