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/i2c/i2c.h>
7
8/{
9	model = "ASRock E3C246D4I BMC";
10	compatible = "asrock,e3c246d4i-bmc", "aspeed,ast2500";
11
12	aliases {
13		serial4 = &uart5;
14	};
15
16	chosen {
17		stdout-path = &uart5;
18		bootargs = "console=tty0 console=ttyS4,115200 earlyprintk";
19	};
20
21	memory@80000000 {
22		reg = <0x80000000 0x20000000>;
23	};
24
25	leds {
26		compatible = "gpio-leds";
27
28		heartbeat {
29			/* BMC_HB_LED_N */
30			gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
31			linux,default-trigger = "timer";
32		};
33
34		system-fault {
35			/* SYSTEM_FAULT_LED_N */
36			gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_LOW>;
37			panic-indicator;
38		};
39	};
40
41	gpio-keys {
42		compatible = "gpio-keys";
43
44		uid-button {
45			label = "uid-button";
46			gpios = <&gpio ASPEED_GPIO(F, 1) GPIO_ACTIVE_LOW>;
47			linux,code = <ASPEED_GPIO(F, 1)>;
48		};
49	};
50
51	iio-hwmon {
52		compatible = "iio-hwmon";
53		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>,
54			<&adc 5>, <&adc 6>, <&adc 7>, <&adc 8>, <&adc 9>,
55			<&adc 10>, <&adc 11>, <&adc 12>;
56	};
57};
58
59&fmc {
60	status = "okay";
61	flash@0 {
62		status = "okay";
63		m25p,fast-read;
64		label = "bmc";
65		spi-max-frequency = <100000000>; /* 100 MHz */
66#include "openbmc-flash-layout.dtsi"
67	};
68};
69
70&uart5 {
71	status = "okay";
72};
73
74&vuart {
75	status = "okay";
76	aspeed,sirq-active-high;
77};
78
79&mac0 {
80	status = "okay";
81
82	pinctrl-names = "default";
83	pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
84};
85
86&i2c1 {
87	status = "okay";
88
89	/* thermal sensor, one diode run to a disconnected header */
90	w83773g@4c {
91		compatible = "nuvoton,w83773g";
92		reg = <0x4c>;
93	};
94};
95
96&i2c3 {
97	status = "okay";
98
99	/* FRU EEPROM */
100	eeprom@57 {
101		compatible = "st,24c128", "atmel,24c128";
102		reg = <0x57>;
103		pagesize = <16>;
104	};
105};
106
107&video {
108	status = "okay";
109};
110
111&vhub {
112	status = "okay";
113};
114
115&lpc_ctrl {
116	status = "okay";
117};
118
119&lpc_snoop {
120	status = "okay";
121	snoop-ports = <0x80>;
122};
123
124&gpio {
125	status = "okay";
126	gpio-line-names =
127		/*  A */ "BMC_MAC1_INTB", "BMC_MAC2_INTB", "NMI_BTN_N", "BMC_NMI",
128			"", "", "", "",
129		/*  B */ "", "", "", "", "", "IRQ_BMC_PCH_SMI_LPC_N", "", "",
130		/*  C */ "", "", "", "", "", "", "", "",
131		/*  D */ "BMC_PSIN", "BMC_PSOUT", "BMC_RESETCON", "RESETCON",
132			"", "", "", "",
133		/*  E */ "", "", "", "", "", "", "", "",
134		/*  F */ "LOCATORLED_STATUS_N", "LOCATORBTN", "", "",
135			"", "", "BMC_PCH_SCI_LPC", "BMC_NCSI_MUX_CTL",
136		/*  G */ "HWM_BAT_EN", "CHASSIS_ID0", "CHASSIS_ID1", "CHASSIS_ID2",
137			"BMC_ALERT1_N_R", "BMC_ALERT2_N_R", "BMC_ALERT3_N", "SML0ALERT",
138		/*  H */ "FM_ME_RCVR_N", "O_PWROK", "SKL_CNL_R", "D4_DIMM_EVENT_3V_N",
139			"MFG_MODE_N", "BMC_RTCRST", "BMC_HB_LED_N", "BMC_CASEOPEN",
140		/*  I */ "", "", "", "", "", "", "", "",
141		/*  J */ "BMC_READY", "BMC_PCH_BIOS_CS_N", "BMC_SMI", "",
142			"", "", "", "",
143		/*  K */ "", "", "", "", "", "", "", "",
144		/*  L */ "BMC_CTS1", "BMC_DCD1", "BMC_DSR1", "BMC_RI1",
145			"BMC_DTR1", "BMC_RTS1", "BMC_TXD1", "BMC_RXD1",
146		/*  M */ "BMC_LAN0_DIS_N", "BMC_LAN1_DIS_N", "", "",
147			"", "", "", "",
148		/*  N */ "", "", "", "", "", "", "", "",
149		/*  O */ "", "", "", "", "", "", "", "",
150		/*  P */ "", "", "", "", "", "", "", "",
151		/*  Q */ "", "", "", "",
152			"BMC_SBM_PRESENT_1_N", "BMC_SBM_PRESENT_2_N",
153			"BMC_SBM_PRESENT_3_N", "BMC_PCIE_WAKE_N",
154		/*  R */ "", "", "", "", "", "", "", "",
155		/*  S */ "PCHHOT_BMC_N", "", "RSMRST",
156			"", "", "", "", "",
157		/*  T */ "", "", "", "", "", "", "", "",
158		/*  U */ "", "", "", "", "", "", "", "",
159		/*  V */ "", "", "", "", "", "", "", "",
160		/*  W */ "PS_PWROK", /* dummy always-high signal */
161			"", "", "", "", "", "", "",
162		/*  X */ "", "", "", "", "", "", "", "",
163		/*  Y */ "SLP_S3", "SLP_S5", "", "", "", "", "", "",
164		/*  Z */ "CPU_CATERR_BMC_PCH_N", "", "SYSTEM_FAULT_LED_N", "BMC_THROTTLE_N",
165			"", "", "", "",
166		/* AA */ "CPU1_THERMTRIP_LATCH_N", "", "CPU1_PROCHOT_N", "",
167			"", "", "IRQ_SMI_ACTIVE_N", "FM_BIOS_POST_CMPLT_N",
168		/* AB */ "", "", "ME_OVERRIDE", "BMC_DMI_MODIFY",
169			"", "", "", "",
170		/* AC */ "LAD0", "LAD1", "LAD2", "LAD3",
171			"CK_33M_BMC", "LFRAME", "SERIRQ", "S_PLTRST";
172
173	/* Assert BMC_READY so BIOS doesn't sit around waiting for it */
174	bmc-ready {
175		gpio-hog;
176		gpios = <ASPEED_GPIO(J, 0) GPIO_ACTIVE_LOW>;
177		output-high;
178	};
179};
180
181&adc {
182	status = "okay";
183	pinctrl-names = "default";
184	pinctrl-0 = <&pinctrl_adc0_default
185			&pinctrl_adc1_default
186			&pinctrl_adc2_default
187			&pinctrl_adc3_default
188			&pinctrl_adc4_default
189			&pinctrl_adc5_default
190			&pinctrl_adc6_default
191			&pinctrl_adc7_default
192			&pinctrl_adc8_default
193			&pinctrl_adc9_default
194			&pinctrl_adc10_default
195			&pinctrl_adc11_default
196			&pinctrl_adc12_default>;
197};
198
199&kcs3 {
200	status = "okay";
201	aspeed,lpc-io-reg = <0xca2>;
202};
203