0001 // SPDX-License-Identifier: GPL-2.0
0002 // Copyright (c) 2020 AMD Inc.
0003 // Author: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
0004 /dts-v1/;
0005
0006 #include "aspeed-g5.dtsi"
0007 #include <dt-bindings/gpio/aspeed-gpio.h>
0008
0009 / {
0010 model = "AMD EthanolX BMC";
0011 compatible = "amd,ethanolx-bmc", "aspeed,ast2500";
0012
0013 memory@80000000 {
0014 reg = <0x80000000 0x20000000>;
0015 };
0016
0017 reserved-memory {
0018 #address-cells = <1>;
0019 #size-cells = <1>;
0020 ranges;
0021
0022 video_engine_memory: jpegbuffer {
0023 size = <0x02000000>; /* 32M */
0024 alignment = <0x01000000>;
0025 compatible = "shared-dma-pool";
0026 reusable;
0027 };
0028 };
0029
0030
0031 aliases {
0032 serial0 = &uart1;
0033 serial4 = &uart5;
0034 };
0035 chosen {
0036 stdout-path = &uart5;
0037 bootargs = "console=ttyS4,115200 earlycon";
0038 };
0039 leds {
0040 compatible = "gpio-leds";
0041
0042 fault {
0043 gpios = <&gpio ASPEED_GPIO(A, 2) GPIO_ACTIVE_LOW>;
0044 };
0045
0046 identify {
0047 gpios = <&gpio ASPEED_GPIO(A, 3) GPIO_ACTIVE_LOW>;
0048 };
0049 };
0050 iio-hwmon {
0051 compatible = "iio-hwmon";
0052 io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>;
0053 };
0054 };
0055
0056 &fmc {
0057 status = "okay";
0058 flash@0 {
0059 status = "okay";
0060 m25p,fast-read;
0061 #include "openbmc-flash-layout.dtsi"
0062 };
0063 };
0064
0065
0066 &mac0 {
0067 status = "okay";
0068
0069 pinctrl-names = "default";
0070 pinctrl-0 = <&pinctrl_rmii1_default>;
0071 clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>,
0072 <&syscon ASPEED_CLK_MAC1RCLK>;
0073 clock-names = "MACCLK", "RCLK";
0074 };
0075
0076 &uart1 {
0077 //Host Console
0078 status = "okay";
0079 pinctrl-names = "default";
0080 pinctrl-0 = <&pinctrl_txd1_default
0081 &pinctrl_rxd1_default>;
0082 };
0083
0084 &uart5 {
0085 //BMC Console
0086 status = "okay";
0087 };
0088
0089 &adc {
0090 status = "okay";
0091
0092 pinctrl-names = "default";
0093 pinctrl-0 = <&pinctrl_adc0_default
0094 &pinctrl_adc1_default
0095 &pinctrl_adc2_default
0096 &pinctrl_adc3_default
0097 &pinctrl_adc4_default>;
0098 };
0099
0100 &gpio {
0101 status = "okay";
0102 gpio-line-names =
0103 /*A0-A7*/ "","","FAULT_LED","CHASSIS_ID_LED","","","","",
0104 /*B0-B7*/ "","","","","","","","",
0105 /*C0-C7*/ "CHASSIS_ID_BTN","INTRUDER","AC_LOSS","","","","","",
0106 /*D0-D7*/ "HDT_DBREQ","LOCAL_SPI_ROM_SEL","FPGA_SPI_ROM_SEL","JTAG_MUX_S",
0107 "JTAG_MUX_OE","HDT_SEL","ASERT_WARM_RST_BTN","FPGA_RSVD",
0108 /*E0-E7*/ "","","MON_P0_PWR_BTN","MON_P0_RST_BTN","MON_P0_NMI_BTN",
0109 "MON_P0_PWR_GOOD","MON_PWROK","MON_RESET",
0110 /*F0-F7*/ "MON_P0_PROCHOT","MON_P1_PROCHOT","MON_P0_THERMTRIP",
0111 "MON_P1_THERMTRIP","P0_PRESENT","P1_PRESENT","MON_ATX_PWR_OK","",
0112 /*G0-G7*/ "BRD_REV_ID_3","BRD_REV_ID_2","BRD_REV_ID_1","BRD_REV_ID_0",
0113 "P0_APML_ALERT","P1_APML_ALERT","FPGA ALERT","",
0114 /*H0-H7*/ "BRD_ID_0","BRD_ID_1","BRD_ID_2","BRD_ID_3",
0115 "PCIE_DISCONNECTED","USB_DISCONNECTED","SPARE_0","SPARE_1",
0116 /*I0-I7*/ "","","","","","","","",
0117 /*J0-J7*/ "","","","","","","","",
0118 /*K0-K7*/ "","","","","","","","",
0119 /*L0-L7*/ "","","","","","","","",
0120 /*M0-M7*/ "ASSERT_PWR_BTN","ASSERT_RST_BTN","ASSERT_NMI_BTN",
0121 "ASSERT_LOCAL_LOCK","ASSERT_P0_PROCHOT","ASSERT_P1_PROCHOT",
0122 "ASSERT_CLR_CMOS","ASSERT_BMC_READY",
0123 /*N0-N7*/ "","","","","","","","",
0124 /*O0-O7*/ "","","","","","","","",
0125 /*P0-P7*/ "P0_VDD_CORE_RUN_VRHOT","P0_VDD_SOC_RUN_VRHOT",
0126 "P0_VDD_MEM_ABCD_SUS_VRHOT","P0_VDD_MEM_EFGH_SUS_VRHOT",
0127 "P1_VDD_CORE_RUN_VRHOT","P1_VDD_SOC_RUN_VRHOT",
0128 "P1_VDD_MEM_ABCD_SUS_VRHOT","P1_VDD_MEM_EFGH_SUS_VRHOT",
0129 /*Q0-Q7*/ "","","","","","","","",
0130 /*R0-R7*/ "","","","","","","","",
0131 /*S0-S7*/ "","","","","","","","",
0132 /*T0-T7*/ "","","","","","","","",
0133 /*U0-U7*/ "","","","","","","","",
0134 /*V0-V7*/ "","","","","","","","",
0135 /*W0-W7*/ "","","","","","","","",
0136 /*X0-X7*/ "","","","","","","","",
0137 /*Y0-Y7*/ "","","","","","","","",
0138 /*Z0-Z7*/ "","","","","","","","",
0139 /*AA0-AA7*/ "","SENSOR THERM","","","","","","",
0140 /*AB0-AB7*/ "","","","","","","","",
0141 /*AC0-AC7*/ "","","","","","","","";
0142 };
0143
0144 //APML for P0
0145 &i2c0 {
0146 status = "okay";
0147 };
0148
0149 //APML for P1
0150 &i2c1 {
0151 status = "okay";
0152 };
0153
0154 //FPGA
0155 &i2c2 {
0156 status = "okay";
0157 };
0158
0159 //24LC128 EEPROM
0160 &i2c3 {
0161 status = "okay";
0162 eeprom@50 {
0163 compatible = "atmel,24c256";
0164 reg = <0x50>;
0165 pagesize = <64>;
0166 };
0167 };
0168
0169 //P0 Power regulators
0170 &i2c4 {
0171 status = "okay";
0172 };
0173
0174 //P1 Power regulators
0175 &i2c5 {
0176 status = "okay";
0177 };
0178
0179 //P0/P1 Thermal diode
0180 &i2c6 {
0181 status = "okay";
0182 };
0183
0184 // Thermal Sensors
0185 &i2c7 {
0186 status = "okay";
0187
0188 lm75a@48 {
0189 compatible = "national,lm75a";
0190 reg = <0x48>;
0191 };
0192
0193 lm75a@49 {
0194 compatible = "national,lm75a";
0195 reg = <0x49>;
0196 };
0197
0198 lm75a@4a {
0199 compatible = "national,lm75a";
0200 reg = <0x4a>;
0201 };
0202
0203 lm75a@4b {
0204 compatible = "national,lm75a";
0205 reg = <0x4b>;
0206 };
0207
0208 lm75a@4c {
0209 compatible = "national,lm75a";
0210 reg = <0x4c>;
0211 };
0212
0213 lm75a@4d {
0214 compatible = "national,lm75a";
0215 reg = <0x4d>;
0216 };
0217
0218 lm75a@4e {
0219 compatible = "national,lm75a";
0220 reg = <0x4e>;
0221 };
0222
0223 lm75a@4f {
0224 compatible = "national,lm75a";
0225 reg = <0x4f>;
0226 };
0227 };
0228
0229 //BMC I2C
0230 &i2c8 {
0231 status = "okay";
0232 };
0233
0234 &kcs1 {
0235 status = "okay";
0236 aspeed,lpc-io-reg = <0x60>;
0237 };
0238
0239 &kcs2 {
0240 status = "okay";
0241 aspeed,lpc-io-reg = <0x62>;
0242 };
0243
0244 &kcs3 {
0245 status = "okay";
0246 aspeed,lpc-io-reg = <0xCA2>;
0247 };
0248
0249 &kcs4 {
0250 status = "okay";
0251 aspeed,lpc-io-reg = <0x97DE>;
0252 };
0253
0254 &lpc_snoop {
0255 status = "okay";
0256 snoop-ports = <0x80>, <0x81>;
0257 };
0258
0259 &lpc_ctrl {
0260 //Enable lpc clock
0261 status = "okay";
0262 };
0263
0264 &pwm_tacho {
0265 status = "okay";
0266 pinctrl-names = "default";
0267 pinctrl-0 = <&pinctrl_pwm0_default
0268 &pinctrl_pwm1_default
0269 &pinctrl_pwm2_default
0270 &pinctrl_pwm3_default
0271 &pinctrl_pwm4_default
0272 &pinctrl_pwm5_default
0273 &pinctrl_pwm6_default
0274 &pinctrl_pwm7_default>;
0275
0276 fan@0 {
0277 reg = <0x00>;
0278 aspeed,fan-tach-ch = /bits/ 8 <0x00>;
0279 };
0280
0281 fan@1 {
0282 reg = <0x01>;
0283 aspeed,fan-tach-ch = /bits/ 8 <0x01>;
0284 };
0285
0286 fan@2 {
0287 reg = <0x02>;
0288 aspeed,fan-tach-ch = /bits/ 8 <0x02>;
0289 };
0290
0291 fan@3 {
0292 reg = <0x03>;
0293 aspeed,fan-tach-ch = /bits/ 8 <0x03>;
0294 };
0295
0296 fan@4 {
0297 reg = <0x04>;
0298 aspeed,fan-tach-ch = /bits/ 8 <0x04>;
0299 };
0300
0301 fan@5 {
0302 reg = <0x05>;
0303 aspeed,fan-tach-ch = /bits/ 8 <0x05>;
0304 };
0305
0306 fan@6 {
0307 reg = <0x06>;
0308 aspeed,fan-tach-ch = /bits/ 8 <0x06>;
0309 };
0310
0311 fan@7 {
0312 reg = <0x07>;
0313 aspeed,fan-tach-ch = /bits/ 8 <0x07>;
0314 };
0315 };
0316
0317 &video {
0318 status = "okay";
0319 memory-region = <&video_engine_memory>;
0320 };
0321
0322 &vhub {
0323 status = "okay";
0324 };
0325
