0001 // SPDX-License-Identifier: GPL-2.0+
0002 /dts-v1/;
0003
0004 #include "aspeed-g5.dtsi"
0005 #include <dt-bindings/gpio/aspeed-gpio.h>
0006 #include <dt-bindings/i2c/i2c.h>
0007 #include <dt-bindings/interrupt-controller/irq.h>
0008
0009 /{
0010 model = "ASRock E3C246D4I BMC";
0011 compatible = "asrock,e3c246d4i-bmc", "aspeed,ast2500";
0012
0013 aliases {
0014 serial4 = &uart5;
0015 };
0016
0017 chosen {
0018 stdout-path = &uart5;
0019 bootargs = "console=tty0 console=ttyS4,115200 earlycon";
0020 };
0021
0022 memory@80000000 {
0023 reg = <0x80000000 0x20000000>;
0024 };
0025
0026 leds {
0027 compatible = "gpio-leds";
0028
0029 heartbeat {
0030 /* BMC_HB_LED_N */
0031 gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
0032 linux,default-trigger = "timer";
0033 };
0034
0035 system-fault {
0036 /* SYSTEM_FAULT_LED_N */
0037 gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_LOW>;
0038 panic-indicator;
0039 };
0040 };
0041
0042 gpio-keys {
0043 compatible = "gpio-keys";
0044
0045 uid-button {
0046 label = "uid-button";
0047 gpios = <&gpio ASPEED_GPIO(F, 1) GPIO_ACTIVE_LOW>;
0048 linux,code = <ASPEED_GPIO(F, 1)>;
0049 };
0050 };
0051
0052 iio-hwmon {
0053 compatible = "iio-hwmon";
0054 io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>,
0055 <&adc 5>, <&adc 6>, <&adc 7>, <&adc 8>, <&adc 9>,
0056 <&adc 10>, <&adc 11>, <&adc 12>;
0057 };
0058 };
0059
0060 &fmc {
0061 status = "okay";
0062 flash@0 {
0063 status = "okay";
0064 m25p,fast-read;
0065 label = "bmc";
0066 spi-max-frequency = <100000000>; /* 100 MHz */
0067 #include "openbmc-flash-layout.dtsi"
0068 };
0069 };
0070
0071 &uart5 {
0072 status = "okay";
0073 };
0074
0075 &vuart {
0076 status = "okay";
0077 aspeed,lpc-io-reg = <0x2f8>;
0078 aspeed,lpc-interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
0079 };
0080
0081 &mac0 {
0082 status = "okay";
0083
0084 pinctrl-names = "default";
0085 pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
0086 };
0087
0088 &i2c1 {
0089 status = "okay";
0090
0091 /* thermal sensor, one diode run to a disconnected header */
0092 w83773g@4c {
0093 compatible = "nuvoton,w83773g";
0094 reg = <0x4c>;
0095 };
0096 };
0097
0098 &i2c3 {
0099 status = "okay";
0100
0101 /* FRU EEPROM */
0102 eeprom@57 {
0103 compatible = "st,24c128", "atmel,24c128";
0104 reg = <0x57>;
0105 pagesize = <16>;
0106 };
0107 };
0108
0109 &video {
0110 status = "okay";
0111 };
0112
0113 &vhub {
0114 status = "okay";
0115 };
0116
0117 &lpc_ctrl {
0118 status = "okay";
0119 };
0120
0121 &lpc_snoop {
0122 status = "okay";
0123 snoop-ports = <0x80>;
0124 };
0125
0126 &gpio {
0127 status = "okay";
0128 gpio-line-names =
0129 /* A */ "BMC_MAC1_INTB", "BMC_MAC2_INTB", "NMI_BTN_N", "BMC_NMI",
0130 "", "", "", "",
0131 /* B */ "", "", "", "", "", "IRQ_BMC_PCH_SMI_LPC_N", "", "",
0132 /* C */ "", "", "", "", "", "", "", "",
0133 /* D */ "BMC_PSIN", "BMC_PSOUT", "BMC_RESETCON", "RESETCON",
0134 "", "", "", "",
0135 /* E */ "", "", "", "", "", "", "", "",
0136 /* F */ "LOCATORLED_STATUS_N", "LOCATORBTN", "", "",
0137 "", "", "BMC_PCH_SCI_LPC", "BMC_NCSI_MUX_CTL",
0138 /* G */ "HWM_BAT_EN", "CHASSIS_ID0", "CHASSIS_ID1", "CHASSIS_ID2",
0139 "BMC_ALERT1_N_R", "BMC_ALERT2_N_R", "BMC_ALERT3_N", "SML0ALERT",
0140 /* H */ "FM_ME_RCVR_N", "O_PWROK", "SKL_CNL_R", "D4_DIMM_EVENT_3V_N",
0141 "MFG_MODE_N", "BMC_RTCRST", "BMC_HB_LED_N", "BMC_CASEOPEN",
0142 /* I */ "", "", "", "", "", "", "", "",
0143 /* J */ "BMC_READY", "BMC_PCH_BIOS_CS_N", "BMC_SMI", "",
0144 "", "", "", "",
0145 /* K */ "", "", "", "", "", "", "", "",
0146 /* L */ "BMC_CTS1", "BMC_DCD1", "BMC_DSR1", "BMC_RI1",
0147 "BMC_DTR1", "BMC_RTS1", "BMC_TXD1", "BMC_RXD1",
0148 /* M */ "BMC_LAN0_DIS_N", "BMC_LAN1_DIS_N", "", "",
0149 "", "", "", "",
0150 /* N */ "", "", "", "", "", "", "", "",
0151 /* O */ "", "", "", "", "", "", "", "",
0152 /* P */ "", "", "", "", "", "", "", "",
0153 /* Q */ "", "", "", "",
0154 "BMC_SBM_PRESENT_1_N", "BMC_SBM_PRESENT_2_N",
0155 "BMC_SBM_PRESENT_3_N", "BMC_PCIE_WAKE_N",
0156 /* R */ "", "", "", "", "", "", "", "",
0157 /* S */ "PCHHOT_BMC_N", "", "RSMRST",
0158 "", "", "", "", "",
0159 /* T */ "", "", "", "", "", "", "", "",
0160 /* U */ "", "", "", "", "", "", "", "",
0161 /* V */ "", "", "", "", "", "", "", "",
0162 /* W */ "PS_PWROK", /* dummy always-high signal */
0163 "", "", "", "", "", "", "",
0164 /* X */ "", "", "", "", "", "", "", "",
0165 /* Y */ "SLP_S3", "SLP_S5", "", "", "", "", "", "",
0166 /* Z */ "CPU_CATERR_BMC_PCH_N", "", "SYSTEM_FAULT_LED_N", "BMC_THROTTLE_N",
0167 "", "", "", "",
0168 /* AA */ "CPU1_THERMTRIP_LATCH_N", "", "CPU1_PROCHOT_N", "",
0169 "", "", "IRQ_SMI_ACTIVE_N", "FM_BIOS_POST_CMPLT_N",
0170 /* AB */ "", "", "ME_OVERRIDE", "BMC_DMI_MODIFY",
0171 "", "", "", "",
0172 /* AC */ "LAD0", "LAD1", "LAD2", "LAD3",
0173 "CK_33M_BMC", "LFRAME", "SERIRQ", "S_PLTRST";
0174
0175 /* Assert BMC_READY so BIOS doesn't sit around waiting for it */
0176 bmc-ready {
0177 gpio-hog;
0178 gpios = <ASPEED_GPIO(J, 0) GPIO_ACTIVE_LOW>;
0179 output-high;
0180 };
0181 };
0182
0183 &adc {
0184 status = "okay";
0185 pinctrl-names = "default";
0186 pinctrl-0 = <&pinctrl_adc0_default
0187 &pinctrl_adc1_default
0188 &pinctrl_adc2_default
0189 &pinctrl_adc3_default
0190 &pinctrl_adc4_default
0191 &pinctrl_adc5_default
0192 &pinctrl_adc6_default
0193 &pinctrl_adc7_default
0194 &pinctrl_adc8_default
0195 &pinctrl_adc9_default
0196 &pinctrl_adc10_default
0197 &pinctrl_adc11_default
0198 &pinctrl_adc12_default>;
0199 };
0200
0201 &kcs3 {
0202 status = "okay";
0203 aspeed,lpc-io-reg = <0xca2>;
0204 };
