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#include <dt-bindings/interrupt-controller/irq.h>
8
9/{
10	model = "ASRock E3C246D4I BMC";
11	compatible = "asrock,e3c246d4i-bmc", "aspeed,ast2500";
12
13	aliases {
14		serial4 = &uart5;
15	};
16
17	chosen {
18		stdout-path = &uart5;
19		bootargs = "console=tty0 console=ttyS4,115200 earlycon";
20	};
21
22	memory@80000000 {
23		reg = <0x80000000 0x20000000>;
24	};
25
26	leds {
27		compatible = "gpio-leds";
28
29		heartbeat {
30			/* BMC_HB_LED_N */
31			gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
32			linux,default-trigger = "timer";
33		};
34
35		system-fault {
36			/* SYSTEM_FAULT_LED_N */
37			gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_LOW>;
38			panic-indicator;
39		};
40	};
41
42	gpio-keys {
43		compatible = "gpio-keys";
44
45		uid-button {
46			label = "uid-button";
47			gpios = <&gpio ASPEED_GPIO(F, 1) GPIO_ACTIVE_LOW>;
48			linux,code = <ASPEED_GPIO(F, 1)>;
49		};
50	};
51
52	iio-hwmon {
53		compatible = "iio-hwmon";
54		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>,
55			<&adc 5>, <&adc 6>, <&adc 7>, <&adc 8>, <&adc 9>,
56			<&adc 10>, <&adc 11>, <&adc 12>;
57	};
58};
59
60&fmc {
61	status = "okay";
62	flash@0 {
63		status = "okay";
64		m25p,fast-read;
65		label = "bmc";
66		spi-max-frequency = <50000000>; /* 50 MHz */
67#include "openbmc-flash-layout.dtsi"
68	};
69};
70
71&spi1 {
72	status = "okay";
73	pinctrl-names = "default";
74	pinctrl-0 = <&pinctrl_spi1_default>;
75	flash@0 {
76		status = "okay";
77		label = "bios";
78		m25p,fast-read;
79		spi-max-frequency = <25000000>; /* 25 MHz */
80	};
81};
82
83&uart5 {
84	status = "okay";
85};
86
87&vuart {
88	status = "okay";
89	aspeed,lpc-io-reg = <0x2f8>;
90	aspeed,lpc-interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
91};
92
93&mac0 {
94	status = "okay";
95
96	pinctrl-names = "default";
97	pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
98
99	nvmem-cells = <&eth0_macaddress>;
100	nvmem-cell-names = "mac-address";
101};
102
103&i2c1 {
104	status = "okay";
105
106	/* thermal sensor, one diode run to a disconnected header */
107	w83773g@4c {
108		compatible = "nuvoton,w83773g";
109		reg = <0x4c>;
110	};
111};
112
113&i2c3 {
114	status = "okay";
115
116	/* FRU EEPROM */
117	eeprom@57 {
118		compatible = "st,24c128", "atmel,24c128";
119		reg = <0x57>;
120		pagesize = <16>;
121		#address-cells = <1>;
122		#size-cells = <1>;
123
124		eth0_macaddress: macaddress@3f80 {
125			reg = <0x3f80 6>;
126		};
127	};
128};
129
130&video {
131	status = "okay";
132};
133
134&vhub {
135	status = "okay";
136};
137
138&lpc_ctrl {
139	status = "okay";
140};
141
142&lpc_snoop {
143	status = "okay";
144	snoop-ports = <0x80>;
145};
146
147&gpio {
148	status = "okay";
149	gpio-line-names =
150		/*  A */ "BMC_MAC1_INTB", "BMC_MAC2_INTB", "NMI_BTN_N", "BMC_NMI",
151			"", "", "", "",
152		/*  B */ "", "", "", "", "", "IRQ_BMC_PCH_SMI_LPC_N", "", "",
153		/*  C */ "", "", "", "", "", "", "", "",
154		/*  D */ "BMC_PSIN", "BMC_PSOUT", "BMC_RESETCON", "RESETCON",
155			"", "", "", "",
156		/*  E */ "", "", "", "", "", "", "", "",
157		/*  F */ "LOCATORLED_STATUS_N", "LOCATORBTN", "", "",
158			"", "", "BMC_PCH_SCI_LPC", "BMC_NCSI_MUX_CTL",
159		/*  G */ "HWM_BAT_EN", "CHASSIS_ID0", "CHASSIS_ID1", "CHASSIS_ID2",
160			"BMC_ALERT1_N_R", "BMC_ALERT2_N_R", "BMC_ALERT3_N", "SML0ALERT",
161		/*  H */ "FM_ME_RCVR_N", "O_PWROK", "SKL_CNL_R", "D4_DIMM_EVENT_3V_N",
162			"MFG_MODE_N", "BMC_RTCRST", "BMC_HB_LED_N", "BMC_CASEOPEN",
163		/*  I */ "", "", "", "", "", "", "", "",
164		/*  J */ "BMC_READY", "BMC_PCH_BIOS_CS_N", "BMC_SMI", "",
165			"", "", "", "",
166		/*  K */ "", "", "", "", "", "", "", "",
167		/*  L */ "BMC_CTS1", "BMC_DCD1", "BMC_DSR1", "BMC_RI1",
168			"BMC_DTR1", "BMC_RTS1", "BMC_TXD1", "BMC_RXD1",
169		/*  M */ "BMC_LAN0_DIS_N", "BMC_LAN1_DIS_N", "", "",
170			"", "", "", "",
171		/*  N */ "", "", "", "", "", "", "", "",
172		/*  O */ "", "", "", "", "", "", "", "",
173		/*  P */ "", "", "", "", "", "", "", "",
174		/*  Q */ "", "", "", "",
175			"BMC_SBM_PRESENT_1_N", "BMC_SBM_PRESENT_2_N",
176			"BMC_SBM_PRESENT_3_N", "BMC_PCIE_WAKE_N",
177		/*  R */ "", "", "", "", "", "", "", "",
178		/*  S */ "PCHHOT_BMC_N", "", "RSMRST",
179			"", "", "", "", "",
180		/*  T */ "", "", "", "", "", "", "", "",
181		/*  U */ "", "", "", "", "", "", "", "",
182		/*  V */ "", "", "", "", "", "", "", "",
183		/*  W */ "PS_PWROK", /* dummy always-high signal */
184			"", "", "", "", "", "", "",
185		/*  X */ "", "", "", "", "", "", "", "",
186		/*  Y */ "SLP_S3", "SLP_S5", "", "", "", "", "", "",
187		/*  Z */ "CPU_CATERR_BMC_PCH_N", "", "SYSTEM_FAULT_LED_N", "BMC_THROTTLE_N",
188			"", "", "", "",
189		/* AA */ "CPU1_THERMTRIP_LATCH_N", "", "CPU1_PROCHOT_N", "",
190			"", "", "IRQ_SMI_ACTIVE_N", "FM_BIOS_POST_CMPLT_N",
191		/* AB */ "", "", "ME_OVERRIDE", "BMC_DMI_MODIFY",
192			"", "", "", "",
193		/* AC */ "LAD0", "LAD1", "LAD2", "LAD3",
194			"CK_33M_BMC", "LFRAME", "SERIRQ", "S_PLTRST";
195
196	/* Assert BMC_READY so BIOS doesn't sit around waiting for it */
197	bmc-ready {
198		gpio-hog;
199		gpios = <ASPEED_GPIO(J, 0) GPIO_ACTIVE_LOW>;
200		output-high;
201	};
202};
203
204&adc {
205	status = "okay";
206	pinctrl-names = "default";
207	pinctrl-0 = <&pinctrl_adc0_default
208			&pinctrl_adc1_default
209			&pinctrl_adc2_default
210			&pinctrl_adc3_default
211			&pinctrl_adc4_default
212			&pinctrl_adc5_default
213			&pinctrl_adc6_default
214			&pinctrl_adc7_default
215			&pinctrl_adc8_default
216			&pinctrl_adc9_default
217			&pinctrl_adc10_default
218			&pinctrl_adc11_default
219			&pinctrl_adc12_default>;
220};
221
222&kcs3 {
223	status = "okay";
224	aspeed,lpc-io-reg = <0xca2>;
225};
226
227&peci0 {
228	status = "okay";
229};
230