dts/arm/vsatv102-m6.dts

/*-
 * Copyright (c) 2013-2015 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).
 *
 * Both usb-phys devices must be configured to prevent the usb controller
 * from hanging during initialization.
 */

/dts-v1/;

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

#include "meson6.dtsi"

/ {
    /*
     * My development unit visually appears to be a Visson ATV-102
     * and the specs for both my unit and the Visson ATV-102 say
     * the SoC is an aml8726-m3.  However the uboot prompt says
     * m6_mbx_v1, the RTC is located on SECBUS2 instead of AOBUS,
     * and there are two cores so it seems my unit is a newer
     * version using the later processor.
     */

    model = "visson,atv-102";
    compatible = "visson,atv-102", "amlogic,meson6";

    #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>;

        pic: pic@c1109a40 {
            device_type = "interrupt-controller";
            compatible = "amlogic,aml8726-pic";
            reg = <0xc1109a40 128>; /* cbus 0x2690 */

            interrupt-controller;
            #interrupt-cells = <3>;
        };

        scu: scu@c4300000 {
            compatible = "arm,cortex-a9-scu";
            reg = <0xc4300000 0x1000>;
        };

        cpuconfig: cpuconfig@d901ff80 {
            compatible = "amlogic,aml8726-cpuconfig";
            reg = <0xd901ff80 8>;
        };

        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 = "ref_clk_in",
                           "tx_clk", "tx_en",
                           "tx_d0",  "tx_d1",
                           "tx_d2",  "tx_d3",
                           "rx_clk", "rx_dv",
                           "rx_d0",  "rx_d1",
                           "rx_d2",  "rx_d3",
                           "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@da004340 {
            compatible = "amlogic,aml8726-rtc";
            reg = <0xda004340 20>;  /* secbus2 0xd0 */
            interrupts = <0 72 1>;  /* AM_IRQ2(8) */
        };

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

            clocks = <&clk81>;
        };

        gpioao: gpio@c8100024 {
            /* gpio unit 7 */
            compatible = "amlogic,aml8726-gpio";
            reg = <0xc8100024 4>,   /* oen aobus 0x9 */
                  <0xc8100024 4>,   /* out */
                  <0xc8100028 4>;   /* in */

            gpio-controller;
            #gpio-cells = <1>;
            pin-count = <12>;
        };

        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>;
        };

        gpio6: gpio@c1108020 {
            compatible = "amlogic,aml8726-gpio";
            reg = <0xc1108020 4>,   /* oen cbus 0x2008 */
                  <0xc1108024 4>,   /* out */
                  <0xc1108028 4>;   /* in */

            gpio-controller;
            #gpio-cells = <1>;
            pin-count = <29>;
        };

        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 phy */
            compatible = "amlogic,aml8726-m6-usb-phy";
            reg = <0xc1108400 32>;  /* cbus 0x2100 */
        };

        usb-phy@c1108420 {
            /* usb-b phy */
            compatible = "amlogic,aml8726-m6-usb-phy";
            reg = <0xc1108420 32>;  /* cbus 0x2108 */

            usb-pwr-en = <&gpioao 3 1>, /* gpioao_3 vbus */
                     <&gpio6 11 0>; /* gpioe_11 wifi */
        };

        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>;

            eth-phy-rst = <&gpio5 15 0>;    /* gpioy_15 phy-rst */
        };

        screen: fb@c8006324 {
            device_type = "display";
            compatible = "amlogic,aml8726-fb";
            reg = <0xc8006324 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>;
        };
    };

    leds {
        compatible = "gpio-leds";

        sys_led {
            gpios = <&gpioao 2>;    /* gpioao_2 sys_led */
            label = "sys_led";

            default-state = "on";
        };
    };

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

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

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