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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 earlyprintk";
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 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#include "openbmc-flash-layout.dtsi"
91 };
92};
93
94&spi {
95 status = "okay";
96 pinctrl-names = "default";
97 pinctrl-0 = <&pinctrl_spi1debug_default>;
98
99 flash@0 {
100 status = "okay";
101 m25p,fast-read;
102 label = "pnor";
103 };
104};
105
106&pinctrl {
107 pinctrl-names = "default";
108 pinctrl-0 = <&pinctrl_flbusy_default &pinctrl_flwp_default
109
110 &pinctrl_vgahs_default &pinctrl_vgavs_default
111 &pinctrl_ddcclk_default &pinctrl_ddcdat_default>;
112};
113
114&uart1 {
115 /* Rear RS-232 connector */
116 status = "okay";
117
118 pinctrl-names = "default";
119 pinctrl-0 = <&pinctrl_txd1_default
120 &pinctrl_rxd1_default
121 &pinctrl_nrts1_default
122 &pinctrl_ndtr1_default
123 &pinctrl_ndsr1_default
124 &pinctrl_ncts1_default
125 &pinctrl_ndcd1_default
126 &pinctrl_nri1_default>;
127};
128
129&uart5 {
130 status = "okay";
131};
132
133&mac0 {
134 status = "okay";
135
136 use-ncsi;
137
138 pinctrl-names = "default";
139 pinctrl-0 = <&pinctrl_rmii1_default>;
140};
141
142&i2c0 {
143 status = "okay";
144
145 eeprom@50 {
146 compatible = "atmel,24c256";
147 reg = <0x50>;
148 pagesize = <64>;
149 };
150
151 rtc@68 {
152 compatible = "dallas,ds3231";
153 reg = <0x68>;
154 };
155};
156
157&i2c1 {
158 status = "okay";
159};
160
161&i2c2 {
162 status = "okay";
163
164 tmp423@4c {
165 compatible = "ti,tmp423";
166 reg = <0x4c>;
167 };
168};
169
170&i2c3 {
171 status = "okay";
172
173 occ-hwmon@50 {
174 compatible = "ibm,p8-occ-hwmon";
175 reg = <0x50>;
176 };
177};
178
179&i2c4 {
180 status = "okay";
181};
182
183&i2c5 {
184 status = "okay";
185};
186
187&i2c6 {
188 status = "okay";
189};
190
191&i2c7 {
192 status = "okay";
193};
194
195&vuart {
196 status = "okay";
197};
198
199&ibt {
200 status = "okay";
201};
202
203&lpc_ctrl {
204 status = "okay";
205 memory-region = <&flash_memory>;
206 flash = <&spi>;
207};
208
209&gpio {
210 pin_func_mode0 {
211 gpio-hog;
212 gpios = <ASPEED_GPIO(C, 4) GPIO_ACTIVE_HIGH>;
213 output-low;
214 line-name = "func_mode0";
215 };
216
217 pin_func_mode1 {
218 gpio-hog;
219 gpios = <ASPEED_GPIO(C, 5) GPIO_ACTIVE_HIGH>;
220 output-low;
221 line-name = "func_mode1";
222 };
223
224 pin_func_mode2 {
225 gpio-hog;
226 gpios = <ASPEED_GPIO(C, 6) GPIO_ACTIVE_HIGH>;
227 output-low;
228 line-name = "func_mode2";
229 };
230
231 pin_gpio_a0 {
232 gpio-hog;
233 gpios = <ASPEED_GPIO(A, 0) GPIO_ACTIVE_HIGH>;
234 input;
235 line-name = "BMC_FAN_RESERVED_N";
236 };
237
238 pin_gpio_a1 {
239 gpio-hog;
240 gpios = <ASPEED_GPIO(A, 1) GPIO_ACTIVE_HIGH>;
241 output-high;
242 line-name = "APSS_WDT_N";
243 };
244
245 pin_gpio_b1 {
246 gpio-hog;
247 gpios = <ASPEED_GPIO(B, 1) GPIO_ACTIVE_HIGH>;
248 output-high;
249 line-name = "APSS_BOOT_MODE";
250 };
251
252 pin_gpio_b2 {
253 gpio-hog;
254 gpios = <ASPEED_GPIO(B, 2) GPIO_ACTIVE_HIGH>;
255 output-high;
256 line-name = "APSS_RESET_N";
257 };
258
259 pin_gpio_b7 {
260 gpio-hog;
261 gpios = <ASPEED_GPIO(B, 7) GPIO_ACTIVE_HIGH>;
262 output-high;
263 line-name = "SPIVID_STBY_RESET_N";
264 };
265
266 pin_gpio_d1 {
267 gpio-hog;
268 gpios = <ASPEED_GPIO(D, 1) GPIO_ACTIVE_HIGH>;
269 output-high;
270 line-name = "BMC_POWER_UP";
271 };
272
273 pin_gpio_f1 {
274 gpio-hog;
275 gpios = <ASPEED_GPIO(F, 1) GPIO_ACTIVE_HIGH>;
276 input;
277 line-name = "BMC_BATTERY_TEST";
278 };
279
280 pin_gpio_f4 {
281 gpio-hog;
282 gpios = <ASPEED_GPIO(F, 4) GPIO_ACTIVE_HIGH>;
283 input;
284 line-name = "AST_HW_FAULT_N";
285 };
286
287 pin_gpio_f5 {
288 gpio-hog;
289 gpios = <ASPEED_GPIO(F, 5) GPIO_ACTIVE_HIGH>;
290 input;
291 line-name = "AST_SYS_FAULT_N";
292 };
293
294 pin_gpio_f7 {
295 gpio-hog;
296 gpios = <ASPEED_GPIO(F, 7) GPIO_ACTIVE_HIGH>;
297 output-high;
298 line-name = "BMC_FULL_SPEED_N";
299 };
300
301 pin_gpio_g3 {
302 gpio-hog;
303 gpios = <ASPEED_GPIO(G, 3) GPIO_ACTIVE_HIGH>;
304 output-high;
305 line-name = "BMC_FAN_ERROR_N";
306 };
307
308 pin_gpio_g4 {
309 gpio-hog;
310 gpios = <ASPEED_GPIO(G, 4) GPIO_ACTIVE_HIGH>;
311 input;
312 line-name = "BMC_WDT_RST1_P";
313 };
314
315 pin_gpio_g5 {
316 gpio-hog;
317 gpios = <ASPEED_GPIO(G, 5) GPIO_ACTIVE_HIGH>;
318 input;
319 line-name = "BMC_WDT_RST2_P";
320 };
321
322 pin_gpio_h0 {
323 gpio-hog;
324 gpios = <ASPEED_GPIO(H, 0) GPIO_ACTIVE_HIGH>;
325 input;
326 line-name = "PE_SLOT_TEST_EN_N";
327 };
328
329 pin_gpio_h1 {
330 gpio-hog;
331 gpios = <ASPEED_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
332 input;
333 line-name = "BMC_RTCRST_N";
334 };
335
336 pin_gpio_h2 {
337 gpio-hog;
338 gpios = <ASPEED_GPIO(H, 2) GPIO_ACTIVE_HIGH>;
339 output-high;
340 line-name = "SYS_PWROK_BMC";
341 };
342
343 pin_gpio_h7 {
344 gpio-hog;
345 gpios = <ASPEED_GPIO(H, 7) GPIO_ACTIVE_HIGH>;
346 output-high;
347 line-name = "BMC_TPM_INT_N";
348 };
349};
350
351&fsi {
352 cfam@0,0 {
353 reg = <0 0>;
354 #address-cells = <1>;
355 #size-cells = <1>;
356 chip-id = <0>;
357
358 scom@1000 {
359 compatible = "ibm,fsi2pib";
360 reg = <0x1000 0x400>;
361 };
362
363 fsi_hub0: hub@3400 {
364 compatible = "ibm,fsi-master-hub";
365 reg = <0x3400 0x400>;
366 #address-cells = <2>;
367 #size-cells = <0>;
368 no-scan-on-init;
369 };
370 };
371};