1// SPDX-License-Identifier: GPL-2.0+
  2/dts-v1/;
  3#include "aspeed-g5.dtsi"
  4#include <dt-bindings/gpio/aspeed-gpio.h>
  5
  6/ {
  7	model = "Romulus BMC";
  8	compatible = "ibm,romulus-bmc", "aspeed,ast2500";
  9
 10	chosen {
 11		stdout-path = &uart5;
 12		bootargs = "console=ttyS4,115200 earlyprintk";
 13	};
 14
 15	memory@80000000 {
 16		reg = <0x80000000 0x20000000>;
 17	};
 18
 19	reserved-memory {
 20		#address-cells = <1>;
 21		#size-cells = <1>;
 22		ranges;
 23
 24		vga_memory: framebuffer@bf000000 {
 25			no-map;
 26			reg = <0xbf000000 0x01000000>; /* 16M */
 27		};
 28
 29		flash_memory: region@98000000 {
 30			no-map;
 31			reg = <0x98000000 0x04000000>; /* 64M */
 32		};
 33	};
 34
 35	leds {
 36		compatible = "gpio-leds";
 37
 38		fault {
 39			gpios = <&gpio ASPEED_GPIO(N, 2) GPIO_ACTIVE_LOW>;
 40		};
 41
 42		identify {
 43			gpios = <&gpio ASPEED_GPIO(N, 4) GPIO_ACTIVE_HIGH>;
 44		};
 45
 46		power {
 47			gpios = <&gpio ASPEED_GPIO(R, 5) GPIO_ACTIVE_LOW>;
 48		};
 49	};
 50
 51	fsi: gpio-fsi {
 52		compatible = "fsi-master-gpio", "fsi-master";
 53		#address-cells = <2>;
 54		#size-cells = <0>;
 55
 56		clock-gpios = <&gpio ASPEED_GPIO(AA, 0) GPIO_ACTIVE_HIGH>;
 57		data-gpios = <&gpio ASPEED_GPIO(AA, 2) GPIO_ACTIVE_HIGH>;
 58		mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
 59		enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
 60		trans-gpios = <&gpio ASPEED_GPIO(R, 2) GPIO_ACTIVE_HIGH>;
 61	};
 62
 63	gpio-keys {
 64		compatible = "gpio-keys";
 65
 66		checkstop {
 67			label = "checkstop";
 68			gpios = <&gpio ASPEED_GPIO(J, 2) GPIO_ACTIVE_LOW>;
 69			linux,code = <ASPEED_GPIO(J, 2)>;
 70		};
 71	};
 72};
 73
 74&fmc {
 75	status = "okay";
 76	flash@0 {
 77		status = "okay";
 78		m25p,fast-read;
 79		label = "bmc";
 80#include "openbmc-flash-layout.dtsi"
 81	};
 82};
 83
 84&spi1 {
 85	status = "okay";
 86	pinctrl-names = "default";
 87	pinctrl-0 = <&pinctrl_spi1_default>;
 88
 89	flash@0 {
 90		status = "okay";
 91		m25p,fast-read;
 92		label = "pnor";
 93	};
 94};
 95
 96&lpc_ctrl {
 97	status = "okay";
 98	memory-region = <&flash_memory>;
 99	flash = <&spi1>;
100};
101
102&uart1 {
103	/* Rear RS-232 connector */
104	status = "okay";
105
106	pinctrl-names = "default";
107	pinctrl-0 = <&pinctrl_txd1_default
108			&pinctrl_rxd1_default
109			&pinctrl_nrts1_default
110			&pinctrl_ndtr1_default
111			&pinctrl_ndsr1_default
112			&pinctrl_ncts1_default
113			&pinctrl_ndcd1_default
114			&pinctrl_nri1_default>;
115};
116
117&uart5 {
118	status = "okay";
119};
120
121&mac0 {
122	status = "okay";
123
124	use-ncsi;
125
126	pinctrl-names = "default";
127	pinctrl-0 = <&pinctrl_rmii1_default>;
128};
129
130&i2c1 {
131	status = "okay";
132};
133
134&i2c2 {
135	status = "okay";
136};
137
138&i2c3 {
139	status = "okay";
140};
141
142&i2c4 {
143	status = "okay";
144};
145
146&i2c5 {
147	status = "okay";
148};
149
150&i2c6 {
151	/* PCIe slot 1 (x8) */
152	status = "okay";
153};
154
155&i2c7 {
156	/* PCIe slot 2 (x16) */
157	status = "okay";
158};
159
160&i2c8 {
161	/* PCIe slot 3 (x16) */
162	status = "okay";
163};
164
165&i2c9 {
166	/* PCIe slot 4 (x16) */
167	status = "okay";
168};
169
170&i2c10 {
171	/* PCIe slot 5 (x8) */
172	status = "okay";
173};
174
175&i2c11 {
176	status = "okay";
177
178	rtc@32 {
179		compatible = "epson,rx8900";
180		reg = <0x32>;
181	};
182};
183
184&i2c12 {
185	status = "okay";
186
187	w83773g@4c {
188		compatible = "nuvoton,w83773g";
189		reg = <0x4c>;
190	};
191};
192
193&gpio {
194	nic_func_mode0 {
195		gpio-hog;
196		gpios = <ASPEED_GPIO(D, 3) GPIO_ACTIVE_HIGH>;
197		output-low;
198		line-name = "nic_func_mode0";
199	};
200	nic_func_mode1 {
201		gpio-hog;
202		gpios = <ASPEED_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
203		output-low;
204		line-name = "nic_func_mode1";
205	};
206	seq_cont {
207		gpio-hog;
208		gpios = <ASPEED_GPIO(S, 7) GPIO_ACTIVE_HIGH>;
209		output-low;
210		line-name = "seq_cont";
211	};
212};
213
214&vuart {
215	status = "okay";
216};
217
218&gfx {
219	status = "okay";
220};
221
222&pinctrl {
223	aspeed,external-nodes = <&gfx &lhc>;
224};
225
226&pwm_tacho {
227	status = "okay";
228	pinctrl-names = "default";
229	pinctrl-0 = <&pinctrl_pwm0_default &pinctrl_pwm1_default>;
230
231	fan@0 {
232		reg = <0x00>;
233		aspeed,fan-tach-ch = /bits/ 8 <0x08>;
234	};
235
236	fan@1 {
237		reg = <0x00>;
238		aspeed,fan-tach-ch = /bits/ 8 <0x09>;
239	};
240
241	fan@2 {
242		reg = <0x01>;
243		aspeed,fan-tach-ch = /bits/ 8 <0x0a>;
244	};
245
246	fan@3 {
247		reg = <0x01>;
248		aspeed,fan-tach-ch = /bits/ 8 <0x0b>;
249	};
250
251	fan@4 {
252		reg = <0x00>;
253		aspeed,fan-tach-ch = /bits/ 8 <0x0c>;
254	};
255
256	fan@5 {
257		reg = <0x00>;
258		aspeed,fan-tach-ch = /bits/ 8 <0x0d>;
259	};
260
261	fan@6 {
262		reg = <0x01>;
263		aspeed,fan-tach-ch = /bits/ 8 <0x0e>;
264	};
265};
266
267&ibt {
268	status = "okay";
269};