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/odroidc1.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 * 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/ 0x7900000 0x00600000; /* 6MB frame buffer */
41
42 #include "meson8b.dtsi"
43
44 / {
45 model = "hardkernel,odroid-c1";
46 compatible = "hardkernel,odroid-c1", "amlogic,s805";
47
48 #address-cells = <1>;
49 #size-cells = <1>;
50
51 aliases {
52 soc = &soc;
53 screen = &screen;
54 uart0 = &uart_AO;
55 };
56
57 memory {
58 device_type = "memory";
59 reg = <0x0 0x40000000>; /* 1GB RAM */
60 };
61
62 soc: soc {
63 device_type = "soc";
64 bus-frequency = <0>;
65
66 scu: scu@c4300000 {
67 compatible = "arm,cortex-a5-scu";
68 reg = <0xc4300000 0x1000>;
69 };
70
71 cpuconfig: cpuconfig@d901ff80 {
72 compatible = "amlogic,aml8726-cpuconfig";
73 reg = <0xd901ff80 16>;
74 };
75
76 ccm@c1104140 {
77 compatible = "amlogic,aml8726-ccm";
78 reg = <0xc1104140 20>; /* cbus 0x1050 */
79
80 functions = "ethernet", "i2c", "rng", "sdio", "sdxc",
81 "uart-a", "uart-b", "uart-c",
82 "usb-a", "usb-b";
83 };
84
85 pinctrl@c11080b0 {
86 compatible = "amlogic,aml8726-pinctrl";
87 reg = <0xc11080b0 40>, /* mux */
88 <0xc11080e8 24>, /* pu/pd */
89 <0xc1108120 24>, /* pull enable */
90 <0xc8100014 4>, /* ao mux */
91 <0xc810002c 4>, /* ao pu/pd */
92 <0xc810002c 4>; /* ao pull enable */
93
94 /*
95 * Currently only pin muxing that deviates
96 * from the power on default of gpio is
97 * specified here.
98 */
99
100 pinctrl-names = "default";
101 pinctrl-0 = <&pins_uartao &pins_ethernet &pins_hdmi>;
102
103 pins_ethernet: ethernet {
104 amlogic,pins = "ref_clk",
105 "tx_clk", "tx_en",
106 "tx_d0", "tx_d1",
107 "tx_d2", "tx_d3",
108 "rx_clk", "rx_dv",
109 "rx_d0", "rx_d1",
110 "rx_d2", "rx_d3",
111 "mdc", "mdio";
112 amlogic,function = "ethernet";
113 };
114
115 pins_hdmi: hdmi {
116 amlogic,pins = "cec", "hpd",
117 "scl", "sda";
118 amlogic,function = "hdmi";
119 };
120
121 pins_sdio_b: sdio_b {
122 amlogic,pins = "clk", "cmd",
123 "d0", "d1",
124 "d2", "d3";
125 amlogic,function = "sdio-b";
126 amlogic,pull = "up";
127 };
128
129 pins_sdxc_b: sdxc_b {
130 amlogic,pins = "clk", "cmd",
131 "d0", "d1",
132 "d2", "d3";
133 amlogic,function = "sdxc-b";
134 amlogic,pull = "up";
135 };
136
137 pins_sdio_c: sdio_c {
138 amlogic,pins = "clk", "cmd",
139 "d0", "d1",
140 "d2", "d3";
141 amlogic,function = "sdio-c";
142 amlogic,pull = "up";
143 };
144
145 pins_sdxc_c: sdxc_c {
146 amlogic,pins = "clk", "cmd",
147 "d0", "d1",
148 "d2", "d3",
149 "d4", "d5",
150 "d6", "d7";
151 amlogic,function = "sdxc-c";
152 amlogic,pull = "up";
153 };
154
155 pins_i2c_a: i2c_a {
156 amlogic,pins = "scl", "sda";
157 amlogic,function = "i2c-a";
158 };
159
160 pins_i2c_b: i2c_b {
161 amlogic,pins = "scl", "sda";
162 amlogic,function = "i2c-b";
163 };
164
165 pins_uarta: uarta {
166 amlogic,pins = "tx", "rx", "cts", "rts";
167 amlogic,function = "uart-a";
168 };
169
170 pins_uartb: uartb {
171
172 /*
173 * gpiox18 appears to have special
174 * meaning to the bootloader making
175 * hardware handshaking unavailable.
176 */
177
178 amlogic,pins = "tx", "rx";
179 amlogic,function = "uart-b";
180 };
181
182 pins_uartc: uartc {
183 amlogic,pins = "tx", "rx", "cts", "rts";
184 amlogic,function = "uart-c";
185 };
186
187 pins_uartao: uartao {
188 amlogic,pins = "tx", "rx";
189 amlogic,function = "uart-ao";
190 };
191 };
192
193 rtc@c8100740 {
194 compatible = "amlogic,aml8726-rtc";
195 reg = <0xc8100740 20>; /* aobus 0x1d0 */
196 interrupts = <0 72 1>;
197 };
198
199 clkmsr: clkmsr@c1108758 {
200 compatible = "amlogic,aml8726-clkmsr";
201 reg = <0xc1108758 16>; /* cbus 0x21d6 */
202
203 clocks = <&clk81>;
204 };
205
206 gpioao: gpio@c8100024 {
207 /* gpio unit 7 */
208 compatible = "amlogic,aml8726-gpio";
209 reg = <0xc8100024 4>, /* oen aobus 0x9 */
210 <0xc8100024 4>, /* out */
211 <0xc8100028 4>; /* in */
212
213 gpio-controller;
214 #gpio-cells = <1>;
215 pin-count = <14>;
216 };
217
218 gpio3: gpio@c1108054 {
219 compatible = "amlogic,aml8726-gpio";
220 reg = <0xc1108054 4>, /* oen cbus 0x2015 */
221 <0xc1108058 4>, /* out */
222 <0xc110805c 4>; /* in */
223
224 gpio-controller;
225 #gpio-cells = <1>;
226 pin-count = <32>;
227 };
228
229 gpio5: gpio@c110806c {
230 compatible = "amlogic,aml8726-gpio";
231 reg = <0xc110806c 4>, /* oen cbus 0x201b */
232 <0xc1108070 4>, /* out */
233 <0xc1108074 4>; /* in */
234
235 gpio-controller;
236 #gpio-cells = <1>;
237 pin-count = <32>;
238 };
239
240 mmc@c1108c20 {
241 compatible = "amlogic,aml8726-mmc";
242 reg = <0xc1108c20 32>; /* cbus 0x2308 */
243 interrupts = <0 28 1>;
244
245 clocks = <&clk81>;
246
247 pinctrl-names = "default";
248 pinctrl-0 = <&pins_sdio_b>;
249
250 /*
251 * Ordering is significant.
252 *
253 * mmc-vselect low sets first voltage
254 * mmc-vselect high sets second voltage
255 *
256 * If mmc-vselect is not present, then
257 * only one voltage should be specified.
258 */
259 mmc-voltages = "3.3", "1.8";
260 mmc-vselect = <&gpioao 3>; /* gpioao_3 */
261
262 mmc-pwr-en = <&gpio5 31 0>; /* card_8 */
263 ins-detect = <&gpio5 29 0>; /* card_6 */
264 };
265
266 sdxc@c1108e00 {
267 compatible = "amlogic,aml8726-sdxc-m8";
268 clock-frequency = <1275000000>;
269 reg = <0xc1108e00 60>; /* cbus 0x2380 */
270 interrupts = <0 78 1>;
271
272 pinctrl-names = "default";
273 pinctrl-0 = <&pins_sdxc_c>;
274
275 mmc-voltages = "1.8";
276
277 mmc-rst = <&gpio3 9 0>; /* boot_9 emmc-rst */
278 };
279
280 rng@c1108100 {
281 compatible = "amlogic,aml8726-rng";
282 reg = <0xc1108100 8>; /* cbus 0x2040 */
283 };
284
285 usb-phy@c1108800 {
286 /* usb-a phy */
287 compatible = "amlogic,aml8726-m8-usb-phy";
288 reg = <0xc1108800 32>; /* cbus 0x2200 */
289
290 usb-pwr-en = <&gpioao 5 1>; /* gpioao_5 vbus */
291 };
292
293 usb-phy@c1108820 {
294 /* usb-b phy */
295 compatible = "amlogic,aml8726-m8-usb-phy";
296 reg = <0xc1108820 32>; /* cbus 0x2208 */
297
298 force-aca = "true";
299 usb-hub-rst = <&gpioao 4 0>; /* gpioao_4 hub-rst */
300 };
301
302 usb@c9040000 {
303 /* usb-a */
304 compatible = "synopsys,designware-hs-otg2";
305 reg = <0xc9040000 0x40000>; /* ahbbus 0x40000*/
306 interrupts = <0 30 4>;
307 #address-cells = <1>;
308 #size-cells = <0>;
309
310 dr_mode = "host";
311 };
312
313 usb@c90c0000 {
314 /* usb-b */
315 compatible = "synopsys,designware-hs-otg2";
316 reg = <0xc90c0000 0x40000>; /* ahbbus 0xc0000 */
317 interrupts = <0 31 4>;
318 #address-cells = <1>;
319 #size-cells = <0>;
320
321 dr_mode = "host";
322 };
323
324 eth@c9410000 {
325 /* ethernet */
326 compatible = "amlogic,meson6-dwmac";
327 reg = <0xc9410000 0x2000>; /* ahbbus 0x410000 */
328 interrupts = <0 8 1>;
329 #address-cells = <1>;
330 #size-cells = <0>;
331
332 eth-phy-rst = <&gpio3 23 0>; /* gpioh_4 phy-rst */
333 };
334
335 screen: fb@c8006020 {
336 device_type = "display";
337 compatible = "amlogic,aml8726-fb";
338 reg = <0xc8006048 12>, /* CANVAS */
339 <0xc1106800 1024>, /* VIU */
340 <0xc1107400 1024>; /* VPP */
341 interrupts = <0 2 1>,
342 <0 3 1>,
343 <0 12 1>,
344 <0 13 1>;
345
346 address = <0x7900000>; /* match memreserve */
347 width = <720>;
348 height = <480>;
349 depth = <24>;
350 linebytes = <2160>;
351 };
352 };
353
354 leds {
355 compatible = "gpio-leds";
356
357 sys_led {
358 gpios = <&gpioao 13>; /* gpioao_13 sys_led */
359 label = "sys_led";
360 };
361 };
362
363 chosen {
364 stdin = "uart0";
365 stdout = "uart0";
366 };
367 };
368
369 &clk81 {
370 clock-frequency = <0>;
371 };
372
373 &uart_AO {
374 status = "okay";
375 current-speed = <115200>;
376 };
377
378 &uart_A {
379 status = "okay";
380 };
381
382 &uart_B {
383 status = "okay";
384 };
385
386 &uart_C {
387 status = "okay";
388 };
389
390 &i2c_A {
391 status = "okay";
392 };
393
394 &i2c_B {
395 status = "okay";
396 };
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