1 /*-
2 * Copyright (c) 2015 John Wehle <john@feith.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/12.0/sys/dts/arm/yyhd18-m3.dts 325826 2017-11-14 21:03:57Z imp $
27 */
28
29 /*
30 * The ordering of certain devices is significant (e.g. usb depends on
31 * usb-phy which depends on gpio, also the timer should appear early on
32 * to provide a reasonably accurate DELAY implementation).
33 */
34
35 /dts-v1/;
36
37 /memreserve/ 0x84900000 0x00600000; /* 6MB frame buffer */
38
39 #include "meson3.dtsi"
40
41 / {
42 /*
43 * My development unit is a Yiyate Android TV Box containing
44 * a HD18 motherboard and an aml8726-m3 SoC ... later versions
45 * shipped with an aml8726-m6. Printenv in uboot shows m3-oplay
46 * as the boardname supplied as part of mmcargs.
47 */
48
49 model = "yiyate,hd18-m3";
50 compatible = "yiyate,hd18-m3", "amlogic,meson3";
51
52 #address-cells = <1>;
53 #size-cells = <1>;
54
55 aliases {
56 soc = &soc;
57 screen = &screen;
58 uart0 = &uart_AO;
59 };
60
61 memory {
62 device_type = "memory";
63 reg = <0x80000000 0x40000000>; /* 1GB RAM */
64 };
65
66 soc: soc {
67 device_type = "soc";
68 bus-frequency = <0>;
69
70 ccm@c1104140 {
71 compatible = "amlogic,aml8726-ccm";
72 reg = <0xc1104140 20>; /* cbus 0x1050 */
73
74 functions = "ethernet", "i2c", "rng", "sdio",
75 "uart-a", "uart-b", "uart-c",
76 "usb-a", "usb-b";
77 };
78
79 pinctrl: pinctrl@c11080b0 {
80 compatible = "amlogic,aml8726-pinctrl";
81 reg = <0xc11080b0 40>, /* mux */
82 <0xc11080e8 24>, /* pu/pd */
83 <0xc11080e8 24>, /* pull enable */
84 <0xc8100014 4>, /* ao mux */
85 <0xc810002c 4>, /* ao pu/pd */
86 <0xc810002c 4>; /* ao pull enable */
87
88 /*
89 * Currently only pin muxing that deviates
90 * from the power on default of gpio is
91 * specified here.
92 */
93
94 pinctrl-names = "default";
95 pinctrl-0 = <&pins_uartao &pins_ethernet &pins_hdmi>;
96
97 pins_ethernet: ethernet {
98 amlogic,pins = "clk_out", "tx_en",
99 "tx_d0", "tx_d1",
100 "crs_dv", "rx_err",
101 "rx_d0", "rx_d1",
102 "mdc", "mdio";
103 amlogic,function = "ethernet";
104 };
105
106 pins_hdmi: hdmi {
107 amlogic,pins = "cec", "hpd",
108 "scl", "sda";
109 amlogic,function = "hdmi";
110 };
111
112 pins_sdio_b: sdio_b {
113 amlogic,pins = "clk", "cmd",
114 "d0", "d1",
115 "d2", "d3";
116 amlogic,function = "sdio-b";
117 };
118
119 pins_uartao: uartao {
120 amlogic,pins = "tx", "rx";
121 amlogic,function = "uart-ao";
122 };
123 };
124
125 rtc@c8100740 {
126 compatible = "amlogic,aml8726-rtc";
127 reg = <0xc8100740 20>; /* aobus 0x1d0 */
128 interrupts = <0 72 1>; /* AM_IRQ2(8) */
129 };
130
131 clkmsr: clkmsr@c1108758 {
132 compatible = "amlogic,aml8726-clkmsr";
133 reg = <0xc1108758 16>; /* cbus 0x21d6 */
134
135 clocks = <&clk81>;
136 };
137
138 gpio5: gpio@c110806c {
139 compatible = "amlogic,aml8726-gpio";
140 reg = <0xc110806c 4>, /* oen cbus 0x201b */
141 <0xc1108070 4>, /* out */
142 <0xc1108074 4>; /* in */
143
144 gpio-controller;
145 #gpio-cells = <1>;
146 pin-count = <32>;
147 };
148
149 mmc@c1108c20 {
150 compatible = "amlogic,aml8726-mmc";
151 reg = <0xc1108c20 32>; /* cbus 0x2308 */
152 interrupts = <0 28 1>; /* AM_IRQ0(28) */
153
154 clocks = <&clk81>;
155
156 pinctrl-names = "default";
157 pinctrl-0 = <&pins_sdio_b>;
158
159 mmc-voltages = "3.3";
160
161 mmc-pwr-en = <&gpio5 31 0>; /* card_8 */
162 ins-detect = <&gpio5 29 0>; /* card_6 */
163 };
164
165 rng@c1108100 {
166 compatible = "amlogic,aml8726-rng";
167 reg = <0xc1108100 8>; /* cbus 0x2040 */
168 };
169
170 usb-phy@c1108400 {
171 /* usb-a and usb-b phy */
172 compatible = "amlogic,aml8726-m3-usb-phy";
173 reg = <0xc1108400 32>; /* cbus 0x2100 */
174 };
175
176 usb@c9040000 {
177 /* usb-a */
178 compatible = "synopsys,designware-hs-otg2";
179 reg = <0xc9040000 0x40000>; /* ahbbus 0x40000*/
180 interrupts = <0 30 4>; /* AM_IRQ0(30) */
181 #address-cells = <1>;
182 #size-cells = <0>;
183 };
184
185 usb@c90c0000 {
186 /* usb-b */
187 compatible = "synopsys,designware-hs-otg2";
188 reg = <0xc90c0000 0x40000>; /* ahbbus 0xc0000 */
189 interrupts = <0 31 4>; /* AM_IRQ0(31) */
190 #address-cells = <1>;
191 #size-cells = <0>;
192
193 dr_mode = "host";
194 };
195
196 eth@c9410000 {
197 /* ethernet */
198 compatible = "snps,dwmac";
199 reg = <0xc9410000 0x2000>; /* ahbbus 0x410000 */
200 interrupts = <0 8 1>; /* AM_IRQ0(8) */
201 #address-cells = <1>;
202 #size-cells = <0>;
203 };
204
205 screen: fb@c8001324 {
206 device_type = "display";
207 compatible = "amlogic,aml8726-fb";
208 reg = <0xc8001324 12>, /* CANVAS */
209 <0xc1106800 1024>, /* VIU */
210 <0xc1107400 1024>; /* VPP */
211 interrupts = <0 2 1>, /* AM_IRQ0(2) */
212 <0 3 1>, /* AM_IRQ0(3) */
213 <0 12 1>, /* AM_IRQ0(12) */
214 <0 13 1>; /* AM_IRQ0(13) */
215
216 address = <0x84900000>; /* match memreserve */
217 width = <720>;
218 height = <480>;
219 depth = <24>;
220 linebytes = <2160>;
221 };
222 };
223
224 chosen {
225 stdin = "uart0";
226 stdout = "uart0";
227 };
228 };
229
230 &clk81 {
231 clock-frequency = <0>;
232 };
233
234 &uart_AO {
235 status = "okay";
236 current-speed = <115200>;
237 };
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