1// SPDX-License-Identifier: GPL-2.0+
2/dts-v1/;
3
4#include "aspeed-g5.dtsi"
5#include <dt-bindings/gpio/aspeed-gpio.h>
6#include <dt-bindings/interrupt-controller/irq.h>
7
8/{
9	model = "ASRock ROMED8HM3 BMC v1.00";
10	compatible = "asrock,romed8hm3-bmc", "aspeed,ast2500";
11
12	aliases {
13		serial4 = &uart5;
14	};
15
16	chosen {
17		stdout-path = &uart5;
18		bootargs = "console=tty0 console=ttyS4,115200 earlycon";
19	};
20
21	memory@80000000 {
22		reg = <0x80000000 0x20000000>;
23	};
24
25	leds {
26		compatible = "gpio-leds";
27
28		heartbeat {
29			gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
30			linux,default-trigger = "timer";
31		};
32
33		system-fault {
34			gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_HIGH>;
35			panic-indicator;
36		};
37	};
38
39	iio-hwmon {
40		compatible = "iio-hwmon";
41		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>,
42			<&adc 4>, <&adc 5>, <&adc 6>, <&adc 7>,
43			<&adc 8>, <&adc 9>, <&adc 10>, <&adc 11>,
44			<&adc 12>, <&adc 13>, <&adc 14>, <&adc 15>;
45	};
46};
47
48&fmc {
49	status = "okay";
50	flash@0 {
51		status = "okay";
52		m25p,fast-read;
53		label = "bmc";
54		spi-max-frequency = <50000000>; /* 50 MHz */
55#include "openbmc-flash-layout-64.dtsi"
56	};
57};
58
59&uart5 {
60	status = "okay";
61};
62
63&vuart {
64	status = "okay";
65	aspeed,lpc-io-reg = <0x2f8>;
66	aspeed,lpc-interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
67};
68
69&mac0 {
70	status = "okay";
71
72	pinctrl-names = "default";
73	pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
74
75	nvmem-cells = <&eth0_macaddress>;
76	nvmem-cell-names = "mac-address";
77};
78
79&i2c0 {
80	status = "okay";
81
82	/* inlet temp sensor */
83	w83773g@4c {
84		compatible = "nuvoton,w83773g";
85		reg = <0x4c>;
86	};
87};
88
89&i2c1 {
90	status = "okay";
91};
92
93&i2c2 {
94	status = "okay";
95
96	/* IPB temp sensor */
97	w83773g@4c {
98		compatible = "nuvoton,w83773g";
99		reg = <0x4c>;
100	};
101
102	/* IPB PMIC */
103	lm25066@40 {
104		compatible = "ti,lm25066";
105		reg = <0x40>;
106		shunt-resistor-micro-ohms = <1000>;
107	};
108
109	/* 12VSB PMIC */
110	lm25066@41 {
111		compatible = "ti,lm25066";
112		reg = <0x41>;
113		shunt-resistor-micro-ohms = <10000>;
114	};
115};
116
117&i2c4 {
118	status = "okay";
119};
120
121&i2c5 {
122	status = "okay";
123};
124
125&i2c6 {
126	status = "okay";
127};
128
129&i2c7 {
130	status = "okay";
131
132	/* Baseboard FRU eeprom */
133	eeprom@50 {
134		compatible = "st,24c128", "atmel,24c128";
135		reg = <0x50>;
136		pagesize = <16>;
137		#address-cells = <1>;
138		#size-cells = <1>;
139
140		eth0_macaddress: macaddress@3f80 {
141			reg = <0x3f80 6>;
142		};
143	};
144};
145
146&i2c8 {
147	status = "okay";
148};
149
150&i2c9 {
151	status = "okay";
152};
153
154&video {
155	status = "okay";
156};
157
158&vhub {
159	status = "okay";
160};
161
162&lpc_ctrl {
163	status = "okay";
164};
165
166&lpc_snoop {
167	status = "okay";
168	snoop-ports = <0x80>;
169};
170
171&kcs3 {
172	status = "okay";
173	aspeed,lpc-io-reg = <0xca2>;
174};
175
176&pwm_tacho {
177	status = "okay";
178	pinctrl-names = "default";
179	pinctrl-0 = <&pinctrl_pwm3_default
180		&pinctrl_pwm4_default
181		&pinctrl_pwm5_default
182		&pinctrl_pwm6_default>;
183
184	fan@3 {
185		reg = <0x03>;
186		aspeed,fan-tach-ch = /bits/ 8 <0x03 0x0b>;
187	};
188
189	fan@4 {
190		reg = <0x04>;
191		aspeed,fan-tach-ch = /bits/ 8 <0x04 0x0c>;
192	};
193
194	fan@5 {
195		reg = <0x05>;
196		aspeed,fan-tach-ch = /bits/ 8 <0x05 0x0d>;
197	};
198
199	fan@6 {
200		reg = <0x06>;
201		aspeed,fan-tach-ch = /bits/ 8 <0x06 0x0e>;
202	};
203};
204
205&gpio {
206	status = "okay";
207	gpio-line-names =
208		/*  A */ "LOCATORLED_STATUS_N", "BMC_MAC2_INTB", "NMI_BTN_N", "BMC_NMI",
209			"", "", "", "",
210		/*  B */ "POST_COMPLETE_N", "", "", "", "", "", "", "",
211		/*  C */ "", "", "", "", "PCIE_HP_SEL_N", "PCIE_SATA_SEL_N", "LOCATORBTN", "",
212		/*  D */ "BMC_PSIN", "BMC_PSOUT", "BMC_RESETCON", "RESETCON",
213			"", "", "", "PSU_FAN_FAIL_N",
214		/*  E */ "", "", "", "", "", "", "", "",
215		/*  F */ "NIC_PWR_GOOD", "PRSNTB0", "PRSNTB1", "PRSNTB2",
216			"PRSNTB3", "", "3VSB_PCIE1_PG", "12V_PCIE1_PG",
217		/*  G */ "HWM_BAT_EN", "CHASSIS_ID0", "CHASSIS_ID1", "CHASSIS_ID2",
218			"BMC_ALERT1_N_R", "BMC_ALERT2_N_R", "BMC_ALERT3_N", "BMC_ALERT4_N",
219		/*  H */ "X24_C1_PRSNT", "X24_C2_PRSNT", "X24_C3_PRSNT", "FM_MEM_THERM_EVENT_BMC_R_N",
220			"FACMODE", "BMC_RTCRST", "BMC_HB_LED_N", "BMC_CASEOPEN",
221		/*  I */ "", "", "", "", "", "", "", "",
222		/*  J */ "BMC_READY", "BMC_PCH_BIOS_CS_N", "", "P0_MA_DDR_QS_CS_N",
223			"", "", "", "",
224		/*  K */ "", "", "", "", "", "", "", "",
225		/*  L */ "", "", "", "", "", "", "", "",
226		/*  M */ "", "", "MEZZ_PWRBRK_N", "OCP_HP_RST_EN",
227			"MAIN_PWR_EN_G", "BMC_MAIN_EN", "AUX_PWR_EN_G", "BMC_AUX_EN",
228		/*  N */ "", "", "", "", "", "", "", "",
229		/*  O */ "", "", "", "", "", "", "", "",
230		/*  P */ "", "", "", "", "", "", "", "",
231		/*  Q */ "", "", "", "",
232			"BMC_SMB_PRESENT_1_N", "BMC_SMB_PRESENT_2_N",
233			"BMC_SMB_PRESENT_3_N", "BMC_PCIE_WAKE_N",
234		/*  R */ "", "", "THERMALTRIP_CLEAR_N", "", "", "", "", "",
235		/*  S */ "", "", "", "", "", "", "", "",
236		/*  T */ "", "", "", "", "", "", "", "",
237		/*  U */ "", "", "", "", "", "", "", "",
238		/*  V */ "", "", "", "", "", "", "", "",
239		/*  W */ "", "", "", "", "", "", "", "",
240		/*  X */ "", "", "", "", "", "", "", "",
241		/*  Y */ "SLP_S3", "SLP_S4_S5", "NODE_ID_1", "NODE_ID_2", "", "", "", "",
242		/*  Z */ "", "", "SYSTEM_FAULT_LED_N", "FAST_THROTTLE_N",
243			"", "", "", "",
244		/* AA */ "FM_CPU0_IBMC_THERMTRIP_N", "", "PROCHOT_L_G", "",
245			"", "", "", "",
246		/* AB */ "BMC_FORCE_SELFREFRESH", "PWRGD_OUT", "", "IRQ_BMC_PCH_SMI_LPC_N",
247			"", "", "", "",
248		/* AC */ "", "", "", "", "", "", "", "";
249};
250
251&adc {
252	status = "okay";
253	pinctrl-names = "default";
254	pinctrl-0 = <&pinctrl_adc0_default
255		&pinctrl_adc1_default
256		&pinctrl_adc2_default
257		&pinctrl_adc3_default
258		&pinctrl_adc4_default
259		&pinctrl_adc5_default
260		&pinctrl_adc6_default
261		&pinctrl_adc7_default
262		&pinctrl_adc8_default
263		&pinctrl_adc9_default
264		&pinctrl_adc10_default
265		&pinctrl_adc11_default
266		&pinctrl_adc12_default
267		&pinctrl_adc13_default
268		&pinctrl_adc14_default
269		&pinctrl_adc15_default>;
270};
271