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1// SPDX-License-Identifier: GPL-2.0+
2/dts-v1/;
3#include "aspeed-g5.dtsi"
4#include <dt-bindings/gpio/aspeed-gpio.h>
5
6/ {
7 model = "Romulus BMC";
8 compatible = "ibm,romulus-bmc", "aspeed,ast2500";
9
10 chosen {
11 stdout-path = &uart5;
12 bootargs = "console=ttyS4,115200 earlycon";
13 };
14
15 memory@80000000 {
16 reg = <0x80000000 0x20000000>;
17 };
18
19 reserved-memory {
20 #address-cells = <1>;
21 #size-cells = <1>;
22 ranges;
23
24 vga_memory: framebuffer@9f000000 {
25 no-map;
26 reg = <0x9f000000 0x01000000>; /* 16M */
27 };
28
29 flash_memory: region@98000000 {
30 no-map;
31 reg = <0x98000000 0x04000000>; /* 64M */
32 };
33
34 coldfire_memory: codefire_memory@9ef00000 {
35 reg = <0x9ef00000 0x00100000>;
36 no-map;
37 };
38
39 gfx_memory: framebuffer {
40 size = <0x01000000>;
41 alignment = <0x01000000>;
42 compatible = "shared-dma-pool";
43 reusable;
44 };
45
46 video_engine_memory: jpegbuffer {
47 size = <0x02000000>; /* 32M */
48 alignment = <0x01000000>;
49 compatible = "shared-dma-pool";
50 reusable;
51 };
52 };
53
54 leds {
55 compatible = "gpio-leds";
56
57 fault {
58 gpios = <&gpio ASPEED_GPIO(N, 2) GPIO_ACTIVE_LOW>;
59 };
60
61 identify {
62 gpios = <&gpio ASPEED_GPIO(N, 4) GPIO_ACTIVE_HIGH>;
63 };
64
65 power {
66 gpios = <&gpio ASPEED_GPIO(R, 5) GPIO_ACTIVE_LOW>;
67 };
68 };
69
70 fsi: gpio-fsi {
71 compatible = "aspeed,ast2500-cf-fsi-master", "fsi-master";
72 #address-cells = <2>;
73 #size-cells = <0>;
74 no-gpio-delays;
75
76 memory-region = <&coldfire_memory>;
77 aspeed,sram = <&sram>;
78 aspeed,cvic = <&cvic>;
79
80 clock-gpios = <&gpio ASPEED_GPIO(AA, 0) GPIO_ACTIVE_HIGH>;
81 data-gpios = <&gpio ASPEED_GPIO(AA, 2) GPIO_ACTIVE_HIGH>;
82 mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
83 enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
84 trans-gpios = <&gpio ASPEED_GPIO(R, 2) GPIO_ACTIVE_HIGH>;
85 };
86
87 gpio-keys {
88 compatible = "gpio-keys";
89
90 event-checkstop {
91 label = "checkstop";
92 gpios = <&gpio ASPEED_GPIO(J, 2) GPIO_ACTIVE_LOW>;
93 linux,code = <ASPEED_GPIO(J, 2)>;
94 };
95
96 id-button {
97 label = "id-button";
98 gpios = <&gpio ASPEED_GPIO(Q, 7) GPIO_ACTIVE_LOW>;
99 linux,code = <ASPEED_GPIO(Q, 7)>;
100 };
101 };
102
103 iio-hwmon-battery {
104 compatible = "iio-hwmon";
105 io-channels = <&adc 12>;
106 };
107};
108
109&fmc {
110 status = "okay";
111 flash@0 {
112 status = "okay";
113 m25p,fast-read;
114 label = "bmc";
115 spi-max-frequency = <50000000>;
116#include "openbmc-flash-layout.dtsi"
117 };
118};
119
120&spi1 {
121 status = "okay";
122 pinctrl-names = "default";
123 pinctrl-0 = <&pinctrl_spi1_default>;
124
125 flash@0 {
126 status = "okay";
127 m25p,fast-read;
128 label = "pnor";
129 spi-max-frequency = <100000000>;
130 };
131};
132
133&lpc_ctrl {
134 status = "okay";
135 memory-region = <&flash_memory>;
136 flash = <&spi1>;
137};
138
139&uart1 {
140 /* Rear RS-232 connector */
141 status = "okay";
142
143 pinctrl-names = "default";
144 pinctrl-0 = <&pinctrl_txd1_default
145 &pinctrl_rxd1_default
146 &pinctrl_nrts1_default
147 &pinctrl_ndtr1_default
148 &pinctrl_ndsr1_default
149 &pinctrl_ncts1_default
150 &pinctrl_ndcd1_default
151 &pinctrl_nri1_default>;
152};
153
154&uart5 {
155 status = "okay";
156};
157
158&mac0 {
159 status = "okay";
160
161 use-ncsi;
162
163 pinctrl-names = "default";
164 pinctrl-0 = <&pinctrl_rmii1_default>;
165 clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>,
166 <&syscon ASPEED_CLK_MAC1RCLK>;
167 clock-names = "MACCLK", "RCLK";
168};
169
170&i2c1 {
171 status = "okay";
172};
173
174&i2c2 {
175 status = "okay";
176};
177
178&i2c3 {
179 status = "okay";
180};
181
182&i2c4 {
183 status = "okay";
184};
185
186&i2c5 {
187 status = "okay";
188};
189
190&i2c6 {
191 /* PCIe slot 1 (x8) */
192 status = "okay";
193};
194
195&i2c7 {
196 /* PCIe slot 2 (x16) */
197 status = "okay";
198};
199
200&i2c8 {
201 /* PCIe slot 3 (x16) */
202 status = "okay";
203};
204
205&i2c9 {
206 /* PCIe slot 4 (x16) */
207 status = "okay";
208};
209
210&i2c10 {
211 /* PCIe slot 5 (x8) */
212 status = "okay";
213};
214
215&i2c11 {
216 status = "okay";
217
218 rtc@32 {
219 compatible = "epson,rx8900";
220 reg = <0x32>;
221 };
222};
223
224&i2c12 {
225 status = "okay";
226
227 w83773g@4c {
228 compatible = "nuvoton,w83773g";
229 reg = <0x4c>;
230 };
231};
232
233&gpio {
234 gpio-line-names =
235 /*A0-A7*/ "","cfam-reset","","","","","fsi-mux","",
236 /*B0-B7*/ "","","","","","","","",
237 /*C0-C7*/ "","","","","","","","",
238 /*D0-D7*/ "fsi-enable","","","nic_func_mode0","nic_func_mode1","","","",
239 /*E0-E7*/ "","","","","","","","",
240 /*F0-F7*/ "","","","","","","","",
241 /*G0-G7*/ "","","","","","","","",
242 /*H0-H7*/ "","","","","","","","",
243 /*I0-I7*/ "","","","power-button","","","","",
244 /*J0-J7*/ "","","checkstop","","","","","",
245 /*K0-K7*/ "","","","","","","","",
246 /*L0-L7*/ "","","","","","","","",
247 /*M0-M7*/ "","","","","","","","",
248 /*N0-N7*/ "","","led-fault","",
249 "led-identify","","","",
250 /*O0-O7*/ "","","","","","","","",
251 /*P0-P7*/ "","","","","","","","",
252 /*Q0-Q7*/ "","","","","","","","id-button",
253 /*R0-R7*/ "","","fsi-trans","","","led-power","","",
254 /*S0-S7*/ "","","","","","","","seq_cont",
255 /*T0-T7*/ "","","","","","","","",
256 /*U0-U7*/ "","","","","","","","",
257 /*V0-V7*/ "","","","","","","","",
258 /*W0-W7*/ "","","","","","","","",
259 /*X0-X7*/ "","","","","","","","",
260 /*Y0-Y7*/ "","","","","","","","",
261 /*Z0-Z7*/ "","","","","","","","",
262 /*AA0-AA7*/ "fsi-clock","","fsi-data","","","","","",
263 /*AB0-AB7*/ "","","","","","","","",
264 /*AC0-AC7*/ "","","","","","","","";
265
266 nic_func_mode0 {
267 gpio-hog;
268 gpios = <ASPEED_GPIO(D, 3) GPIO_ACTIVE_HIGH>;
269 output-low;
270 };
271 nic_func_mode1 {
272 gpio-hog;
273 gpios = <ASPEED_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
274 output-low;
275 };
276 seq_cont {
277 gpio-hog;
278 gpios = <ASPEED_GPIO(S, 7) GPIO_ACTIVE_HIGH>;
279 output-low;
280 };
281};
282
283&vuart {
284 status = "okay";
285};
286
287&gfx {
288 status = "okay";
289 memory-region = <&gfx_memory>;
290};
291
292&pinctrl {
293 aspeed,external-nodes = <&gfx &lhc>;
294};
295
296&pwm_tacho {
297 status = "okay";
298 pinctrl-names = "default";
299 pinctrl-0 = <&pinctrl_pwm0_default &pinctrl_pwm1_default>;
300
301 fan@0 {
302 reg = <0x00>;
303 aspeed,fan-tach-ch = /bits/ 8 <0x08>;
304 };
305
306 fan@1 {
307 reg = <0x00>;
308 aspeed,fan-tach-ch = /bits/ 8 <0x09>;
309 };
310
311 fan@2 {
312 reg = <0x01>;
313 aspeed,fan-tach-ch = /bits/ 8 <0x0a>;
314 };
315
316 fan@3 {
317 reg = <0x01>;
318 aspeed,fan-tach-ch = /bits/ 8 <0x0b>;
319 };
320
321 fan@4 {
322 reg = <0x00>;
323 aspeed,fan-tach-ch = /bits/ 8 <0x0c>;
324 };
325
326 fan@5 {
327 reg = <0x00>;
328 aspeed,fan-tach-ch = /bits/ 8 <0x0d>;
329 };
330
331 fan@6 {
332 reg = <0x01>;
333 aspeed,fan-tach-ch = /bits/ 8 <0x0e>;
334 };
335};
336
337&ibt {
338 status = "okay";
339};
340
341&vhub {
342 status = "okay";
343};
344
345&adc {
346 status = "okay";
347};
348
349&video {
350 status = "okay";
351 memory-region = <&video_engine_memory>;
352};
353
354#include "ibm-power9-dual.dtsi"