1 /*-
2 * Copyright (c) 2013-2015 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 * $FreeBSD$
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 * Both usb-phys devices must be configured to prevent the usb controller
35 * from hanging during initialization.
36 */
37
38 /dts-v1/;
39
40 /memreserve/ 0x84900000 0x00600000; /* 6MB frame buffer */
41
42 #include "meson6.dtsi"
43
44 / {
45 /*
46 * My development unit visually appears to be a Visson ATV-102
47 * and the specs for both my unit and the Visson ATV-102 say
48 * the SoC is an aml8726-m3. However the uboot prompt says
49 * m6_mbx_v1, the RTC is located on SECBUS2 instead of AOBUS,
50 * and there are two cores so it seems my unit is a newer
51 * version using the later processor.
52 */
53
54 model = "visson,atv-102";
55 compatible = "visson,atv-102", "amlogic,meson6";
56
57 #address-cells = <1>;
58 #size-cells = <1>;
59
60 aliases {
61 soc = &soc;
62 screen = &screen;
63 uart0 = &uart_AO;
64 };
65
66 memory {
67 device_type = "memory";
68 reg = <0x80000000 0x40000000>; /* 1GB RAM */
69 };
70
71 soc: soc {
72 device_type = "soc";
73 bus-frequency = <0>;
74
75 pic: pic@c1109a40 {
76 device_type = "interrupt-controller";
77 compatible = "amlogic,aml8726-pic";
78 reg = <0xc1109a40 128>; /* cbus 0x2690 */
79
80 interrupt-controller;
81 #interrupt-cells = <3>;
82 };
83
84 scu: scu@c4300000 {
85 compatible = "arm,cortex-a9-scu";
86 reg = <0xc4300000 0x1000>;
87 };
88
89 cpuconfig: cpuconfig@d901ff80 {
90 compatible = "amlogic,aml8726-cpuconfig";
91 reg = <0xd901ff80 8>;
92 };
93
94 ccm@c1104140 {
95 compatible = "amlogic,aml8726-ccm";
96 reg = <0xc1104140 20>; /* cbus 0x1050 */
97
98 functions = "ethernet", "i2c", "rng", "sdio",
99 "uart-a", "uart-b", "uart-c",
100 "usb-a", "usb-b";
101 };
102
103 pinctrl: pinctrl@c11080b0 {
104 compatible = "amlogic,aml8726-pinctrl";
105 reg = <0xc11080b0 40>, /* mux */
106 <0xc11080e8 24>, /* pu/pd */
107 <0xc11080e8 24>, /* pull enable */
108 <0xc8100014 4>, /* ao mux */
109 <0xc810002c 4>, /* ao pu/pd */
110 <0xc810002c 4>; /* ao pull enable */
111
112 /*
113 * Currently only pin muxing that deviates
114 * from the power on default of gpio is
115 * specified here.
116 */
117
118 pinctrl-names = "default";
119 pinctrl-0 = <&pins_uartao &pins_ethernet &pins_hdmi>;
120
121 pins_ethernet: ethernet {
122 amlogic,pins = "ref_clk_in",
123 "tx_clk", "tx_en",
124 "tx_d0", "tx_d1",
125 "tx_d2", "tx_d3",
126 "rx_clk", "rx_dv",
127 "rx_d0", "rx_d1",
128 "rx_d2", "rx_d3",
129 "mdc", "mdio";
130 amlogic,function = "ethernet";
131 };
132
133 pins_hdmi: hdmi {
134 amlogic,pins = "cec", "hpd",
135 "scl", "sda";
136 amlogic,function = "hdmi";
137 };
138
139 pins_sdio_b: sdio_b {
140 amlogic,pins = "clk", "cmd",
141 "d0", "d1",
142 "d2", "d3";
143 amlogic,function = "sdio-b";
144 };
145
146 pins_uartao: uartao {
147 amlogic,pins = "tx", "rx";
148 amlogic,function = "uart-ao";
149 };
150 };
151
152 rtc@da004340 {
153 compatible = "amlogic,aml8726-rtc";
154 reg = <0xda004340 20>; /* secbus2 0xd0 */
155 interrupts = <0 72 1>; /* AM_IRQ2(8) */
156 };
157
158 clkmsr: clkmsr@c1108758 {
159 compatible = "amlogic,aml8726-clkmsr";
160 reg = <0xc1108758 16>; /* cbus 0x21d6 */
161
162 clocks = <&clk81>;
163 };
164
165 gpioao: gpio@c8100024 {
166 /* gpio unit 7 */
167 compatible = "amlogic,aml8726-gpio";
168 reg = <0xc8100024 4>, /* oen aobus 0x9 */
169 <0xc8100024 4>, /* out */
170 <0xc8100028 4>; /* in */
171
172 gpio-controller;
173 #gpio-cells = <1>;
174 pin-count = <12>;
175 };
176
177 gpio5: gpio@c110806c {
178 compatible = "amlogic,aml8726-gpio";
179 reg = <0xc110806c 4>, /* oen cbus 0x201b */
180 <0xc1108070 4>, /* out */
181 <0xc1108074 4>; /* in */
182
183 gpio-controller;
184 #gpio-cells = <1>;
185 pin-count = <32>;
186 };
187
188 gpio6: gpio@c1108020 {
189 compatible = "amlogic,aml8726-gpio";
190 reg = <0xc1108020 4>, /* oen cbus 0x2008 */
191 <0xc1108024 4>, /* out */
192 <0xc1108028 4>; /* in */
193
194 gpio-controller;
195 #gpio-cells = <1>;
196 pin-count = <29>;
197 };
198
199 mmc@c1108c20 {
200 compatible = "amlogic,aml8726-mmc";
201 reg = <0xc1108c20 32>; /* cbus 0x2308 */
202 interrupts = <0 28 1>; /* AM_IRQ0(28) */
203
204 clocks = <&clk81>;
205
206 pinctrl-names = "default";
207 pinctrl-0 = <&pins_sdio_b>;
208
209 mmc-voltages = "3.3";
210
211 mmc-pwr-en = <&gpio5 31 0>; /* card_8 */
212 ins-detect = <&gpio5 29 0>; /* card_6 */
213 };
214
215 rng@c1108100 {
216 compatible = "amlogic,aml8726-rng";
217 reg = <0xc1108100 8>; /* cbus 0x2040 */
218 };
219
220 usb-phy@c1108400 {
221 /* usb-a phy */
222 compatible = "amlogic,aml8726-m6-usb-phy";
223 reg = <0xc1108400 32>; /* cbus 0x2100 */
224 };
225
226 usb-phy@c1108420 {
227 /* usb-b phy */
228 compatible = "amlogic,aml8726-m6-usb-phy";
229 reg = <0xc1108420 32>; /* cbus 0x2108 */
230
231 usb-pwr-en = <&gpioao 3 1>, /* gpioao_3 vbus */
232 <&gpio6 11 0>; /* gpioe_11 wifi */
233 };
234
235 usb@c9040000 {
236 /* usb-a */
237 compatible = "synopsys,designware-hs-otg2";
238 reg = <0xc9040000 0x40000>; /* ahbbus 0x40000*/
239 interrupts = <0 30 4>; /* AM_IRQ0(30) */
240 #address-cells = <1>;
241 #size-cells = <0>;
242 };
243
244 usb@c90c0000 {
245 /* usb-b */
246 compatible = "synopsys,designware-hs-otg2";
247 reg = <0xc90c0000 0x40000>; /* ahbbus 0xc0000 */
248 interrupts = <0 31 4>; /* AM_IRQ0(31) */
249 #address-cells = <1>;
250 #size-cells = <0>;
251
252 dr_mode = "host";
253 };
254
255 eth@c9410000 {
256 /* ethernet */
257 compatible = "snps,dwmac";
258 reg = <0xc9410000 0x2000>; /* ahbbus 0x410000 */
259 interrupts = <0 8 1>; /* AM_IRQ0(8) */
260 #address-cells = <1>;
261 #size-cells = <0>;
262
263 eth-phy-rst = <&gpio5 15 0>; /* gpioy_15 phy-rst */
264 };
265
266 screen: fb@c8006324 {
267 device_type = "display";
268 compatible = "amlogic,aml8726-fb";
269 reg = <0xc8006324 12>, /* CANVAS */
270 <0xc1106800 1024>, /* VIU */
271 <0xc1107400 1024>; /* VPP */
272 interrupts = <0 2 1>, /* AM_IRQ0(2) */
273 <0 3 1>, /* AM_IRQ0(3) */
274 <0 12 1>, /* AM_IRQ0(12) */
275 <0 13 1>; /* AM_IRQ0(13) */
276
277 address = <0x84900000>; /* match memreserve */
278 width = <720>;
279 height = <480>;
280 depth = <24>;
281 linebytes = <2160>;
282 };
283 };
284
285 leds {
286 compatible = "gpio-leds";
287
288 sys_led {
289 gpios = <&gpioao 2>; /* gpioao_2 sys_led */
290 label = "sys_led";
291
292 default-state = "on";
293 };
294 };
295
296 chosen {
297 stdin = "uart0";
298 stdout = "uart0";
299 };
300 };
301
302 &clk81 {
303 clock-frequency = <0>;
304 };
305
306 &uart_AO {
307 status = "okay";
308 current-speed = <115200>;
309 };
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