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&uart5 {
 72	status = "okay";
 73};
 74
 75&vuart {
 76	status = "okay";
 77	aspeed,lpc-io-reg = <0x2f8>;
 78	aspeed,lpc-interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
 79};
 80
 81&mac0 {
 82	status = "okay";
 83
 84	pinctrl-names = "default";
 85	pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
 86
 87	nvmem-cells = <&eth0_macaddress>;
 88	nvmem-cell-names = "mac-address";
 89};
 90
 91&i2c1 {
 92	status = "okay";
 93
 94	/* thermal sensor, one diode run to a disconnected header */
 95	w83773g@4c {
 96		compatible = "nuvoton,w83773g";
 97		reg = <0x4c>;
 98	};
 99};
100
101&i2c3 {
102	status = "okay";
103
104	/* FRU EEPROM */
105	eeprom@57 {
106		compatible = "st,24c128", "atmel,24c128";
107		reg = <0x57>;
108		pagesize = <16>;
109		#address-cells = <1>;
110		#size-cells = <1>;
111
112		eth0_macaddress: macaddress@3f80 {
113			reg = <0x3f80 6>;
114		};
115	};
116};
117
118&video {
119	status = "okay";
120};
121
122&vhub {
123	status = "okay";
124};
125
126&lpc_ctrl {
127	status = "okay";
128};
129
130&lpc_snoop {
131	status = "okay";
132	snoop-ports = <0x80>;
133};
134
135&gpio {
136	status = "okay";
137	gpio-line-names =
138		/*  A */ "BMC_MAC1_INTB", "BMC_MAC2_INTB", "NMI_BTN_N", "BMC_NMI",
139			"", "", "", "",
140		/*  B */ "", "", "", "", "", "IRQ_BMC_PCH_SMI_LPC_N", "", "",
141		/*  C */ "", "", "", "", "", "", "", "",
142		/*  D */ "BMC_PSIN", "BMC_PSOUT", "BMC_RESETCON", "RESETCON",
143			"", "", "", "",
144		/*  E */ "", "", "", "", "", "", "", "",
145		/*  F */ "LOCATORLED_STATUS_N", "LOCATORBTN", "", "",
146			"", "", "BMC_PCH_SCI_LPC", "BMC_NCSI_MUX_CTL",
147		/*  G */ "HWM_BAT_EN", "CHASSIS_ID0", "CHASSIS_ID1", "CHASSIS_ID2",
148			"BMC_ALERT1_N_R", "BMC_ALERT2_N_R", "BMC_ALERT3_N", "SML0ALERT",
149		/*  H */ "FM_ME_RCVR_N", "O_PWROK", "SKL_CNL_R", "D4_DIMM_EVENT_3V_N",
150			"MFG_MODE_N", "BMC_RTCRST", "BMC_HB_LED_N", "BMC_CASEOPEN",
151		/*  I */ "", "", "", "", "", "", "", "",
152		/*  J */ "BMC_READY", "BMC_PCH_BIOS_CS_N", "BMC_SMI", "",
153			"", "", "", "",
154		/*  K */ "", "", "", "", "", "", "", "",
155		/*  L */ "BMC_CTS1", "BMC_DCD1", "BMC_DSR1", "BMC_RI1",
156			"BMC_DTR1", "BMC_RTS1", "BMC_TXD1", "BMC_RXD1",
157		/*  M */ "BMC_LAN0_DIS_N", "BMC_LAN1_DIS_N", "", "",
158			"", "", "", "",
159		/*  N */ "", "", "", "", "", "", "", "",
160		/*  O */ "", "", "", "", "", "", "", "",
161		/*  P */ "", "", "", "", "", "", "", "",
162		/*  Q */ "", "", "", "",
163			"BMC_SBM_PRESENT_1_N", "BMC_SBM_PRESENT_2_N",
164			"BMC_SBM_PRESENT_3_N", "BMC_PCIE_WAKE_N",
165		/*  R */ "", "", "", "", "", "", "", "",
166		/*  S */ "PCHHOT_BMC_N", "", "RSMRST",
167			"", "", "", "", "",
168		/*  T */ "", "", "", "", "", "", "", "",
169		/*  U */ "", "", "", "", "", "", "", "",
170		/*  V */ "", "", "", "", "", "", "", "",
171		/*  W */ "PS_PWROK", /* dummy always-high signal */
172			"", "", "", "", "", "", "",
173		/*  X */ "", "", "", "", "", "", "", "",
174		/*  Y */ "SLP_S3", "SLP_S5", "", "", "", "", "", "",
175		/*  Z */ "CPU_CATERR_BMC_PCH_N", "", "SYSTEM_FAULT_LED_N", "BMC_THROTTLE_N",
176			"", "", "", "",
177		/* AA */ "CPU1_THERMTRIP_LATCH_N", "", "CPU1_PROCHOT_N", "",
178			"", "", "IRQ_SMI_ACTIVE_N", "FM_BIOS_POST_CMPLT_N",
179		/* AB */ "", "", "ME_OVERRIDE", "BMC_DMI_MODIFY",
180			"", "", "", "",
181		/* AC */ "LAD0", "LAD1", "LAD2", "LAD3",
182			"CK_33M_BMC", "LFRAME", "SERIRQ", "S_PLTRST";
183
184	/* Assert BMC_READY so BIOS doesn't sit around waiting for it */
185	bmc-ready {
186		gpio-hog;
187		gpios = <ASPEED_GPIO(J, 0) GPIO_ACTIVE_LOW>;
188		output-high;
189	};
190};
191
192&adc {
193	status = "okay";
194	pinctrl-names = "default";
195	pinctrl-0 = <&pinctrl_adc0_default
196			&pinctrl_adc1_default
197			&pinctrl_adc2_default
198			&pinctrl_adc3_default
199			&pinctrl_adc4_default
200			&pinctrl_adc5_default
201			&pinctrl_adc6_default
202			&pinctrl_adc7_default
203			&pinctrl_adc8_default
204			&pinctrl_adc9_default
205			&pinctrl_adc10_default
206			&pinctrl_adc11_default
207			&pinctrl_adc12_default>;
208};
209
210&kcs3 {
211	status = "okay";
212	aspeed,lpc-io-reg = <0xca2>;
213};
214
215&peci0 {
216	status = "okay";
217};