1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2020 AMD Inc.
3 // Author: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
4 /dts-v1/;
5
6 #include "aspeed-g5.dtsi"
7 #include <dt-bindings/gpio/aspeed-gpio.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
9
10 / {
11 model = "AMD EthanolX BMC";
12 compatible = "amd,ethanolx-bmc", "aspeed,ast2500";
13
14 memory@80000000 {
15 reg = <0x80000000 0x20000000>;
16 };
17
18 reserved-memory {
19 #address-cells = <1>;
20 #size-cells = <1>;
21 ranges;
22
23 video_engine_memory: jpegbuffer {
24 size = <0x02000000>; /* 32M */
25 alignment = <0x01000000>;
26 compatible = "shared-dma-pool";
27 reusable;
28 };
29 };
30
31
32 aliases {
33 serial0 = &uart1;
34 serial4 = &uart5;
35 };
36 chosen {
37 stdout-path = &uart5;
38 bootargs = "console=ttyS4,115200 earlycon";
39 };
40 leds {
41 compatible = "gpio-leds";
42
43 fault {
44 gpios = <&gpio ASPEED_GPIO(A, 2) GPIO_ACTIVE_LOW>;
45 };
46
47 identify {
48 gpios = <&gpio ASPEED_GPIO(A, 3) GPIO_ACTIVE_LOW>;
49 };
50 };
51 iio-hwmon {
52 compatible = "iio-hwmon";
53 io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>;
54 };
55 };
56
57 &fmc {
58 status = "okay";
59 flash@0 {
60 status = "okay";
61 m25p,fast-read;
62 label = "bmc";
63 #include "openbmc-flash-layout.dtsi"
64 };
65 };
66
67 &spi1 {
68 status = "okay";
69 pinctrl-names = "default";
70 pinctrl-0 = <&pinctrl_spi1_default>;
71 flash@0 {
72 status = "okay";
73 m25p,fast-read;
74 label = "bios";
75 spi-max-frequency = <100000000>;
76 };
77 };
78
79 &mac0 {
80 status = "okay";
81
82 pinctrl-names = "default";
83 pinctrl-0 = <&pinctrl_rmii1_default>;
84 clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>,
85 <&syscon ASPEED_CLK_MAC1RCLK>;
86 clock-names = "MACCLK", "RCLK";
87 };
88
89 &uart1 {
90 //Host Console
91 status = "okay";
92 pinctrl-names = "default";
93 pinctrl-0 = <&pinctrl_txd1_default
94 &pinctrl_rxd1_default
95 &pinctrl_nrts1_default
96 &pinctrl_ncts1_default>;
97 };
98
99 &uart5 {
100 //BMC Console
101 status = "okay";
102 };
103
104 &adc {
105 status = "okay";
106
107 pinctrl-names = "default";
108 pinctrl-0 = <&pinctrl_adc0_default
109 &pinctrl_adc1_default
110 &pinctrl_adc2_default
111 &pinctrl_adc3_default
112 &pinctrl_adc4_default>;
113 };
114
115 &gpio {
116 status = "okay";
117 gpio-line-names =
118 /*A0-A7*/ "","","FAULT_LED","CHASSIS_ID_LED","","","","",
119 /*B0-B7*/ "","","","","","","","",
120 /*C0-C7*/ "CHASSIS_ID_BTN","INTRUDER","AC_LOSS","","","","","",
121 /*D0-D7*/ "HDT_DBREQ","LOCAL_SPI_ROM_SEL","FPGA_SPI_ROM_SEL","JTAG_MUX_S",
122 "JTAG_MUX_OE","HDT_SEL","ASERT_WARM_RST_BTN","FPGA_RSVD",
123 /*E0-E7*/ "","","MON_P0_PWR_BTN","MON_P0_RST_BTN","MON_P0_NMI_BTN",
124 "MON_P0_PWR_GOOD","MON_PWROK","MON_RESET",
125 /*F0-F7*/ "MON_P0_PROCHOT","MON_P1_PROCHOT","MON_P0_THERMTRIP",
126 "MON_P1_THERMTRIP","P0_PRESENT","P1_PRESENT","MON_ATX_PWR_OK","",
127 /*G0-G7*/ "BRD_REV_ID_3","BRD_REV_ID_2","BRD_REV_ID_1","BRD_REV_ID_0",
128 "P0_APML_ALERT","P1_APML_ALERT","FPGA ALERT","",
129 /*H0-H7*/ "BRD_ID_0","BRD_ID_1","BRD_ID_2","BRD_ID_3",
130 "PCIE_DISCONNECTED","USB_DISCONNECTED","SPARE_0","SPARE_1",
131 /*I0-I7*/ "","","","","","","","",
132 /*J0-J7*/ "","","","","","","","",
133 /*K0-K7*/ "","","","","","","","",
134 /*L0-L7*/ "","","","","","","","",
135 /*M0-M7*/ "ASSERT_PWR_BTN","ASSERT_RST_BTN","ASSERT_NMI_BTN",
136 "ASSERT_LOCAL_LOCK","ASSERT_P0_PROCHOT","ASSERT_P1_PROCHOT",
137 "ASSERT_CLR_CMOS","ASSERT_BMC_READY",
138 /*N0-N7*/ "","","","","","","","",
139 /*O0-O7*/ "","","","","","","","",
140 /*P0-P7*/ "P0_VDD_CORE_RUN_VRHOT","P0_VDD_SOC_RUN_VRHOT",
141 "P0_VDD_MEM_ABCD_SUS_VRHOT","P0_VDD_MEM_EFGH_SUS_VRHOT",
142 "P1_VDD_CORE_RUN_VRHOT","P1_VDD_SOC_RUN_VRHOT",
143 "P1_VDD_MEM_ABCD_SUS_VRHOT","P1_VDD_MEM_EFGH_SUS_VRHOT",
144 /*Q0-Q7*/ "","","","","","","","",
145 /*R0-R7*/ "","","","","","","","",
146 /*S0-S7*/ "","","","","","","","",
147 /*T0-T7*/ "","","","","","","","",
148 /*U0-U7*/ "","","","","","","","",
149 /*V0-V7*/ "","","","","","","","",
150 /*W0-W7*/ "","","","","","","","",
151 /*X0-X7*/ "","","","","","","","",
152 /*Y0-Y7*/ "","","","","","","","",
153 /*Z0-Z7*/ "","","","","","","","",
154 /*AA0-AA7*/ "","SENSOR THERM","","","","","","",
155 /*AB0-AB7*/ "","","","","","","","",
156 /*AC0-AC7*/ "","","","","","","","";
157 };
158
159 //APML for P0
160 &i2c0 {
161 status = "okay";
162 };
163
164 //APML for P1
165 &i2c1 {
166 status = "okay";
167 };
168
169 //FPGA
170 &i2c2 {
171 status = "okay";
172 };
173
174 //24LC128 EEPROM
175 &i2c3 {
176 status = "okay";
177 eeprom@50 {
178 compatible = "atmel,24c128";
179 reg = <0x50>;
180 pagesize = <64>;
181 };
182 };
183
184 //P0 Power regulators
185 &i2c4 {
186 status = "okay";
187 };
188
189 //P1 Power regulators
190 &i2c5 {
191 status = "okay";
192 };
193
194 //P0/P1 Thermal diode
195 &i2c6 {
196 status = "okay";
197 };
198
199 // Thermal Sensors
200 &i2c7 {
201 status = "okay";
202
203 lm75a@48 {
204 compatible = "national,lm75a";
205 reg = <0x48>;
206 };
207
208 lm75a@49 {
209 compatible = "national,lm75a";
210 reg = <0x49>;
211 };
212
213 lm75a@4a {
214 compatible = "national,lm75a";
215 reg = <0x4a>;
216 };
217
218 lm75a@4b {
219 compatible = "national,lm75a";
220 reg = <0x4b>;
221 };
222
223 lm75a@4c {
224 compatible = "national,lm75a";
225 reg = <0x4c>;
226 };
227
228 lm75a@4d {
229 compatible = "national,lm75a";
230 reg = <0x4d>;
231 };
232
233 lm75a@4e {
234 compatible = "national,lm75a";
235 reg = <0x4e>;
236 };
237
238 lm75a@4f {
239 compatible = "national,lm75a";
240 reg = <0x4f>;
241 };
242 };
243
244 //BMC I2C
245 &i2c8 {
246 status = "okay";
247 };
248
249 &kcs1 {
250 status = "okay";
251 aspeed,lpc-io-reg = <0x60>;
252 };
253
254 &kcs2 {
255 status = "okay";
256 aspeed,lpc-io-reg = <0x62>;
257 };
258
259 &kcs3 {
260 status = "okay";
261 aspeed,lpc-io-reg = <0xCA2>;
262 };
263
264 &kcs4 {
265 status = "okay";
266 aspeed,lpc-io-reg = <0x97DE>;
267 };
268
269 &lpc_snoop {
270 status = "okay";
271 snoop-ports = <0x80>, <0x81>;
272 };
273
274 &lpc_ctrl {
275 //Enable lpc clock
276 status = "okay";
277 };
278
279 &vuart {
280 status = "okay";
281 aspeed,lpc-io-reg = <0x3f8>;
282 aspeed,lpc-interrupts = <4 IRQ_TYPE_LEVEL_HIGH>;
283 };
284
285 &pwm_tacho {
286 status = "okay";
287 pinctrl-names = "default";
288 pinctrl-0 = <&pinctrl_pwm0_default
289 &pinctrl_pwm1_default
290 &pinctrl_pwm2_default
291 &pinctrl_pwm3_default
292 &pinctrl_pwm4_default
293 &pinctrl_pwm5_default
294 &pinctrl_pwm6_default
295 &pinctrl_pwm7_default>;
296
297 fan@0 {
298 reg = <0x00>;
299 aspeed,fan-tach-ch = /bits/ 8 <0x00>;
300 };
301
302 fan@1 {
303 reg = <0x01>;
304 aspeed,fan-tach-ch = /bits/ 8 <0x01>;
305 };
306
307 fan@2 {
308 reg = <0x02>;
309 aspeed,fan-tach-ch = /bits/ 8 <0x02>;
310 };
311
312 fan@3 {
313 reg = <0x03>;
314 aspeed,fan-tach-ch = /bits/ 8 <0x03>;
315 };
316
317 fan@4 {
318 reg = <0x04>;
319 aspeed,fan-tach-ch = /bits/ 8 <0x04>;
320 };
321
322 fan@5 {
323 reg = <0x05>;
324 aspeed,fan-tach-ch = /bits/ 8 <0x05>;
325 };
326
327 fan@6 {
328 reg = <0x06>;
329 aspeed,fan-tach-ch = /bits/ 8 <0x06>;
330 };
331
332 fan@7 {
333 reg = <0x07>;
334 aspeed,fan-tach-ch = /bits/ 8 <0x07>;
335 };
336 };
337
338 &video {
339 status = "okay";
340 memory-region = <&video_engine_memory>;
341 };
342
343 &vhub {
344 status = "okay";
345 };
346
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