/*-
* 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>;
};