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  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
  9/ {
 10	model = "AMD EthanolX BMC";
 11	compatible = "amd,ethanolx-bmc", "aspeed,ast2500";
 12
 13	memory@80000000 {
 14		reg = <0x80000000 0x20000000>;
 15	};
 16
 17	reserved-memory {
 18		#address-cells = <1>;
 19		#size-cells = <1>;
 20		ranges;
 21
 22		video_engine_memory: jpegbuffer {
 23			size = <0x02000000>;	/* 32M */
 24			alignment = <0x01000000>;
 25			compatible = "shared-dma-pool";
 26			reusable;
 27		};
 28	};
 29
 30
 31	aliases {
 32		serial0 = &uart1;
 33		serial4 = &uart5;
 34	};
 35	chosen {
 36		stdout-path = &uart5;
 37		bootargs = "console=ttyS4,115200 earlycon";
 38	};
 39	leds {
 40		compatible = "gpio-leds";
 41
 42		fault {
 43			gpios = <&gpio ASPEED_GPIO(A, 2) GPIO_ACTIVE_LOW>;
 44		};
 45
 46		identify {
 47			gpios = <&gpio ASPEED_GPIO(A, 3) GPIO_ACTIVE_LOW>;
 48		};
 49	};
 50	iio-hwmon {
 51		compatible = "iio-hwmon";
 52		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>;
 53	};
 54};
 55
 56&fmc {
 57	status = "okay";
 58	flash@0 {
 59		status = "okay";
 60		m25p,fast-read;
 61		#include "openbmc-flash-layout.dtsi"
 62	};
 63};
 64
 65
 66&mac0 {
 67	status = "okay";
 68
 69	pinctrl-names = "default";
 70	pinctrl-0 = <&pinctrl_rmii1_default>;
 71	clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>,
 72		 <&syscon ASPEED_CLK_MAC1RCLK>;
 73	clock-names = "MACCLK", "RCLK";
 74};
 75
 76&uart1 {
 77	//Host Console
 78	status = "okay";
 79	pinctrl-names = "default";
 80	pinctrl-0 = <&pinctrl_txd1_default
 81		     &pinctrl_rxd1_default>;
 82};
 83
 84&uart5 {
 85	//BMC Console
 86	status = "okay";
 87};
 88
 89&adc {
 90	status = "okay";
 91
 92	pinctrl-names = "default";
 93	pinctrl-0 = <&pinctrl_adc0_default
 94		     &pinctrl_adc1_default
 95		     &pinctrl_adc2_default
 96		     &pinctrl_adc3_default
 97		     &pinctrl_adc4_default>;
 98};
 99
100&gpio {
101	status = "okay";
102	gpio-line-names =
103	/*A0-A7*/	"","","FAULT_LED","CHASSIS_ID_LED","","","","",
104	/*B0-B7*/	"","","","","","","","",
105	/*C0-C7*/	"CHASSIS_ID_BTN","INTRUDER","AC_LOSS","","","","","",
106	/*D0-D7*/	"HDT_DBREQ","LOCAL_SPI_ROM_SEL","FPGA_SPI_ROM_SEL","JTAG_MUX_S",
107			"JTAG_MUX_OE","HDT_SEL","ASERT_WARM_RST_BTN","FPGA_RSVD",
108	/*E0-E7*/	"","","MON_P0_PWR_BTN","MON_P0_RST_BTN","MON_P0_NMI_BTN",
109			"MON_P0_PWR_GOOD","MON_PWROK","MON_RESET",
110	/*F0-F7*/	"MON_P0_PROCHOT","MON_P1_PROCHOT","MON_P0_THERMTRIP",
111			"MON_P1_THERMTRIP","P0_PRESENT","P1_PRESENT","MON_ATX_PWR_OK","",
112	/*G0-G7*/	"BRD_REV_ID_3","BRD_REV_ID_2","BRD_REV_ID_1","BRD_REV_ID_0",
113			"P0_APML_ALERT","P1_APML_ALERT","FPGA ALERT","",
114	/*H0-H7*/	"BRD_ID_0","BRD_ID_1","BRD_ID_2","BRD_ID_3",
115			"PCIE_DISCONNECTED","USB_DISCONNECTED","SPARE_0","SPARE_1",
116	/*I0-I7*/	"","","","","","","","",
117	/*J0-J7*/	"","","","","","","","",
118	/*K0-K7*/	"","","","","","","","",
119	/*L0-L7*/	"","","","","","","","",
120	/*M0-M7*/	"ASSERT_PWR_BTN","ASSERT_RST_BTN","ASSERT_NMI_BTN",
121			"ASSERT_LOCAL_LOCK","ASSERT_P0_PROCHOT","ASSERT_P1_PROCHOT",
122			"ASSERT_CLR_CMOS","ASSERT_BMC_READY",
123	/*N0-N7*/	"","","","","","","","",
124	/*O0-O7*/	"","","","","","","","",
125	/*P0-P7*/	"P0_VDD_CORE_RUN_VRHOT","P0_VDD_SOC_RUN_VRHOT",
126			"P0_VDD_MEM_ABCD_SUS_VRHOT","P0_VDD_MEM_EFGH_SUS_VRHOT",
127			"P1_VDD_CORE_RUN_VRHOT","P1_VDD_SOC_RUN_VRHOT",
128			"P1_VDD_MEM_ABCD_SUS_VRHOT","P1_VDD_MEM_EFGH_SUS_VRHOT",
129	/*Q0-Q7*/	"","","","","","","","",
130	/*R0-R7*/	"","","","","","","","",
131	/*S0-S7*/	"","","","","","","","",
132	/*T0-T7*/	"","","","","","","","",
133	/*U0-U7*/	"","","","","","","","",
134	/*V0-V7*/	"","","","","","","","",
135	/*W0-W7*/	"","","","","","","","",
136	/*X0-X7*/	"","","","","","","","",
137	/*Y0-Y7*/	"","","","","","","","",
138	/*Z0-Z7*/	"","","","","","","","",
139	/*AA0-AA7*/	"","SENSOR THERM","","","","","","",
140	/*AB0-AB7*/	"","","","","","","","",
141	/*AC0-AC7*/	"","","","","","","","";
142};
143
144//APML for P0
145&i2c0 {
146	status = "okay";
147};
148
149//APML for P1
150&i2c1 {
151	status = "okay";
152};
153
154//FPGA
155&i2c2 {
156	status = "okay";
157};
158
159//24LC128 EEPROM
160&i2c3 {
161	status = "okay";
162	eeprom@50 {
163		compatible = "atmel,24c256";
164		reg = <0x50>;
165		pagesize = <64>;
166	};
167};
168
169//P0 Power regulators
170&i2c4 {
171	status = "okay";
172};
173
174//P1 Power regulators
175&i2c5 {
176	status = "okay";
177};
178
179//P0/P1 Thermal diode
180&i2c6 {
181	status = "okay";
182};
183
184// Thermal Sensors
185&i2c7 {
186	status = "okay";
187
188	lm75a@48 {
189		compatible = "national,lm75a";
190		reg = <0x48>;
191	};
192
193	lm75a@49 {
194		compatible = "national,lm75a";
195		reg = <0x49>;
196	};
197
198	lm75a@4a {
199		compatible = "national,lm75a";
200		reg = <0x4a>;
201	};
202
203	lm75a@4b {
204		compatible = "national,lm75a";
205		reg = <0x4b>;
206	};
207
208	lm75a@4c {
209		compatible = "national,lm75a";
210		reg = <0x4c>;
211	};
212
213	lm75a@4d {
214		compatible = "national,lm75a";
215		reg = <0x4d>;
216	};
217
218	lm75a@4e {
219		compatible = "national,lm75a";
220		reg = <0x4e>;
221	};
222
223	lm75a@4f {
224		compatible = "national,lm75a";
225		reg = <0x4f>;
226	};
227};
228
229//BMC I2C
230&i2c8 {
231	status = "okay";
232};
233
234&kcs1 {
235	status = "okay";
236	aspeed,lpc-io-reg = <0x60>;
237};
238
239&kcs2 {
240	status = "okay";
241	aspeed,lpc-io-reg = <0x62>;
242};
243
244&kcs3 {
245	status = "okay";
246	aspeed,lpc-io-reg = <0xCA2>;
247};
248
249&kcs4 {
250	status = "okay";
251	aspeed,lpc-io-reg = <0x97DE>;
252};
253
254&lpc_snoop {
255	status = "okay";
256	snoop-ports = <0x80>, <0x81>;
257};
258
259&lpc_ctrl {
260	//Enable lpc clock
261	status = "okay";
262};
263
264&pwm_tacho {
265	status = "okay";
266	pinctrl-names = "default";
267	pinctrl-0 = <&pinctrl_pwm0_default
268	&pinctrl_pwm1_default
269	&pinctrl_pwm2_default
270	&pinctrl_pwm3_default
271	&pinctrl_pwm4_default
272	&pinctrl_pwm5_default
273	&pinctrl_pwm6_default
274	&pinctrl_pwm7_default>;
275
276	fan@0 {
277		reg = <0x00>;
278		aspeed,fan-tach-ch = /bits/ 8 <0x00>;
279	};
280
281	fan@1 {
282		reg = <0x01>;
283		aspeed,fan-tach-ch = /bits/ 8 <0x01>;
284	};
285
286	fan@2 {
287		reg = <0x02>;
288		aspeed,fan-tach-ch = /bits/ 8 <0x02>;
289	};
290
291	fan@3 {
292		reg = <0x03>;
293		aspeed,fan-tach-ch = /bits/ 8 <0x03>;
294	};
295
296	fan@4 {
297		reg = <0x04>;
298		aspeed,fan-tach-ch = /bits/ 8 <0x04>;
299	};
300
301	fan@5 {
302		reg = <0x05>;
303		aspeed,fan-tach-ch = /bits/ 8 <0x05>;
304	};
305
306	fan@6 {
307		reg = <0x06>;
308		aspeed,fan-tach-ch = /bits/ 8 <0x06>;
309	};
310
311	fan@7 {
312		reg = <0x07>;
313		aspeed,fan-tach-ch = /bits/ 8 <0x07>;
314	};
315};
316
317&video {
318	status = "okay";
319	memory-region = <&video_engine_memory>;
320};
321
322&vhub {
323	status = "okay";
324};
325