1 // SPDX-License-Identifier: GPL-2.0+
2 /dts-v1/;
3
4 #include "aspeed-g4.dtsi"
5 #include <dt-bindings/gpio/aspeed-gpio.h>
6
7 / {
8 model = "Palmetto BMC";
9 compatible = "tyan,palmetto-bmc", "aspeed,ast2400";
10
11 chosen {
12 stdout-path = &uart5;
13 bootargs = "console=ttyS4,115200 earlycon";
14 };
15
16 memory@40000000 {
17 reg = <0x40000000 0x20000000>;
18 };
19
20 reserved-memory {
21 #address-cells = <1>;
22 #size-cells = <1>;
23 ranges;
24
25 vga_memory: framebuffer@5f000000 {
26 no-map;
27 reg = <0x5f000000 0x01000000>; /* 16M */
28 };
29
30 coldfire_memory: codefire_memory@5ee00000 {
31 reg = <0x5ee00000 0x00200000>;
32 no-map;
33 };
34
35 flash_memory: region@5c000000 {
36 no-map;
37 reg = <0x5C000000 0x02000000>; /* 32MB */
38 };
39 };
40
41 leds {
42 compatible = "gpio-leds";
43
44 heartbeat {
45 gpios = <&gpio ASPEED_GPIO(R, 4) GPIO_ACTIVE_LOW>;
46 };
47
48 power {
49 gpios = <&gpio ASPEED_GPIO(R, 5) GPIO_ACTIVE_LOW>;
50 };
51
52 identify {
53 gpios = <&gpio ASPEED_GPIO(A, 2) GPIO_ACTIVE_LOW>;
54 };
55 };
56
57 fsi: gpio-fsi {
58 compatible = "aspeed,ast2400-cf-fsi-master", "fsi-master";
59 #address-cells = <2>;
60 #size-cells = <0>;
61
62 memory-region = <&coldfire_memory>;
63 aspeed,sram = <&sram>;
64 aspeed,cvic = <&cvic>;
65
66 clock-gpios = <&gpio ASPEED_GPIO(A, 4) GPIO_ACTIVE_HIGH>;
67 data-gpios = <&gpio ASPEED_GPIO(A, 5) GPIO_ACTIVE_HIGH>;
68 mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
69 enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
70 trans-gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>;
71 };
72
73 gpio-keys {
74 compatible = "gpio-keys";
75
76 event-checkstop {
77 label = "checkstop";
78 gpios = <&gpio ASPEED_GPIO(P, 5) GPIO_ACTIVE_LOW>;
79 linux,code = <ASPEED_GPIO(P, 5)>;
80 };
81 };
82 };
83
84 &fmc {
85 status = "okay";
86 flash@0 {
87 status = "okay";
88 m25p,fast-read;
89 label = "bmc";
90 spi-max-frequency = <50000000>;
91 #include "openbmc-flash-layout.dtsi"
92 };
93 };
94
95 &spi {
96 status = "okay";
97 pinctrl-names = "default";
98 pinctrl-0 = <&pinctrl_spi1debug_default>;
99
100 flash@0 {
101 status = "okay";
102 m25p,fast-read;
103 spi-max-frequency = <50000000>;
104 label = "pnor";
105 };
106 };
107
108 &pinctrl {
109 pinctrl-names = "default";
110 pinctrl-0 = <&pinctrl_flbusy_default &pinctrl_flwp_default
111
112 &pinctrl_vgahs_default &pinctrl_vgavs_default
113 &pinctrl_ddcclk_default &pinctrl_ddcdat_default>;
114 };
115
116 &uart1 {
117 /* Rear RS-232 connector */
118 status = "okay";
119
120 pinctrl-names = "default";
121 pinctrl-0 = <&pinctrl_txd1_default
122 &pinctrl_rxd1_default
123 &pinctrl_nrts1_default
124 &pinctrl_ndtr1_default
125 &pinctrl_ndsr1_default
126 &pinctrl_ncts1_default
127 &pinctrl_ndcd1_default
128 &pinctrl_nri1_default>;
129 };
130
131 &uart5 {
132 status = "okay";
133 };
134
135 &mac0 {
136 status = "okay";
137
138 use-ncsi;
139
140 pinctrl-names = "default";
141 pinctrl-0 = <&pinctrl_rmii1_default>;
142 };
143
144 &i2c0 {
145 status = "okay";
146
147 eeprom@50 {
148 compatible = "atmel,24c256";
149 reg = <0x50>;
150 pagesize = <64>;
151 };
152
153 rtc@68 {
154 compatible = "dallas,ds3231";
155 reg = <0x68>;
156 };
157 };
158
159 &i2c1 {
160 status = "okay";
161 };
162
163 &i2c2 {
164 status = "okay";
165
166 tmp423@4c {
167 compatible = "ti,tmp423";
168 reg = <0x4c>;
169 };
170 };
171
172 &i2c3 {
173 status = "okay";
174
175 occ-hwmon@50 {
176 compatible = "ibm,p8-occ-hwmon";
177 reg = <0x50>;
178 };
179 };
180
181 &i2c4 {
182 status = "okay";
183 };
184
185 &i2c5 {
186 status = "okay";
187 };
188
189 &i2c6 {
190 status = "okay";
191 };
192
193 &i2c7 {
194 status = "okay";
195 };
196
197 &vuart {
198 status = "okay";
199 };
200
201 &ibt {
202 status = "okay";
203 };
204
205 &lpc_ctrl {
206 status = "okay";
207 memory-region = <&flash_memory>;
208 flash = <&spi>;
209 };
210
211 &gpio {
212 pin_func_mode0 {
213 gpio-hog;
214 gpios = <ASPEED_GPIO(C, 4) GPIO_ACTIVE_HIGH>;
215 output-low;
216 line-name = "func_mode0";
217 };
218
219 pin_func_mode1 {
220 gpio-hog;
221 gpios = <ASPEED_GPIO(C, 5) GPIO_ACTIVE_HIGH>;
222 output-low;
223 line-name = "func_mode1";
224 };
225
226 pin_func_mode2 {
227 gpio-hog;
228 gpios = <ASPEED_GPIO(C, 6) GPIO_ACTIVE_HIGH>;
229 output-low;
230 line-name = "func_mode2";
231 };
232
233 pin_gpio_a0 {
234 gpio-hog;
235 gpios = <ASPEED_GPIO(A, 0) GPIO_ACTIVE_HIGH>;
236 input;
237 line-name = "BMC_FAN_RESERVED_N";
238 };
239
240 pin_gpio_a1 {
241 gpio-hog;
242 gpios = <ASPEED_GPIO(A, 1) GPIO_ACTIVE_HIGH>;
243 output-high;
244 line-name = "APSS_WDT_N";
245 };
246
247 pin_gpio_b1 {
248 gpio-hog;
249 gpios = <ASPEED_GPIO(B, 1) GPIO_ACTIVE_HIGH>;
250 output-high;
251 line-name = "APSS_BOOT_MODE";
252 };
253
254 pin_gpio_b2 {
255 gpio-hog;
256 gpios = <ASPEED_GPIO(B, 2) GPIO_ACTIVE_HIGH>;
257 output-high;
258 line-name = "APSS_RESET_N";
259 };
260
261 pin_gpio_b7 {
262 gpio-hog;
263 gpios = <ASPEED_GPIO(B, 7) GPIO_ACTIVE_HIGH>;
264 output-high;
265 line-name = "SPIVID_STBY_RESET_N";
266 };
267
268 pin_gpio_d1 {
269 gpio-hog;
270 gpios = <ASPEED_GPIO(D, 1) GPIO_ACTIVE_HIGH>;
271 output-high;
272 line-name = "BMC_POWER_UP";
273 };
274
275 pin_gpio_f1 {
276 gpio-hog;
277 gpios = <ASPEED_GPIO(F, 1) GPIO_ACTIVE_HIGH>;
278 input;
279 line-name = "BMC_BATTERY_TEST";
280 };
281
282 pin_gpio_f4 {
283 gpio-hog;
284 gpios = <ASPEED_GPIO(F, 4) GPIO_ACTIVE_HIGH>;
285 input;
286 line-name = "AST_HW_FAULT_N";
287 };
288
289 pin_gpio_f5 {
290 gpio-hog;
291 gpios = <ASPEED_GPIO(F, 5) GPIO_ACTIVE_HIGH>;
292 input;
293 line-name = "AST_SYS_FAULT_N";
294 };
295
296 pin_gpio_f7 {
297 gpio-hog;
298 gpios = <ASPEED_GPIO(F, 7) GPIO_ACTIVE_HIGH>;
299 output-high;
300 line-name = "BMC_FULL_SPEED_N";
301 };
302
303 pin_gpio_g3 {
304 gpio-hog;
305 gpios = <ASPEED_GPIO(G, 3) GPIO_ACTIVE_HIGH>;
306 output-high;
307 line-name = "BMC_FAN_ERROR_N";
308 };
309
310 pin_gpio_g4 {
311 gpio-hog;
312 gpios = <ASPEED_GPIO(G, 4) GPIO_ACTIVE_HIGH>;
313 input;
314 line-name = "BMC_WDT_RST1_P";
315 };
316
317 pin_gpio_g5 {
318 gpio-hog;
319 gpios = <ASPEED_GPIO(G, 5) GPIO_ACTIVE_HIGH>;
320 input;
321 line-name = "BMC_WDT_RST2_P";
322 };
323
324 pin_gpio_h0 {
325 gpio-hog;
326 gpios = <ASPEED_GPIO(H, 0) GPIO_ACTIVE_HIGH>;
327 input;
328 line-name = "PE_SLOT_TEST_EN_N";
329 };
330
331 pin_gpio_h1 {
332 gpio-hog;
333 gpios = <ASPEED_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
334 input;
335 line-name = "BMC_RTCRST_N";
336 };
337
338 pin_gpio_h2 {
339 gpio-hog;
340 gpios = <ASPEED_GPIO(H, 2) GPIO_ACTIVE_HIGH>;
341 output-high;
342 line-name = "SYS_PWROK_BMC";
343 };
344
345 pin_gpio_h7 {
346 gpio-hog;
347 gpios = <ASPEED_GPIO(H, 7) GPIO_ACTIVE_HIGH>;
348 output-high;
349 line-name = "BMC_TPM_INT_N";
350 };
351 };
352
353 &fsi {
354 cfam@0,0 {
355 reg = <0 0>;
356 #address-cells = <1>;
357 #size-cells = <1>;
358 chip-id = <0>;
359
360 scom@1000 {
361 compatible = "ibm,fsi2pib";
362 reg = <0x1000 0x400>;
363 };
364
365 fsi_hub0: hub@3400 {
366 compatible = "ibm,fsi-master-hub";
367 reg = <0x3400 0x400>;
368 #address-cells = <2>;
369 #size-cells = <0>;
370 no-scan-on-init;
371 };
372 };
373 };
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