ARM: dts: aspeed: Adding Inventec Transformers BMC

Initial introduction of Inventec Transformers x86 family equipped with
AST2600 BMC SoC.

Signed-off-by: Tommy Lin <[e-mail]>
Reviewed-by: Joel Stanley <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Joel Stanley <[e-mail]>

arch/arm/boot/dts/Makefile

···
 	aspeed-bmc-portwell-neptune.dtb \
 	aspeed-bmc-quanta-q71l.dtb \
 	aspeed-bmc-supermicro-x11spi.dtb \
+	aspeed-bmc-inventec-transformers.dtb \
 	aspeed-bmc-tyan-s7106.dtb

arch/arm/boot/dts/aspeed-bmc-inventec-transformers.dts

···
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2021 Inventec Corp.
+
+/dts-v1/;
+
+#include "aspeed-g6.dtsi"
+#include "aspeed-g6-pinctrl.dtsi"
+#include <dt-bindings/i2c/i2c.h>
+#include <dt-bindings/gpio/aspeed-gpio.h>
+
+/ {
+       model = "TRANSFORMERS BMC";
+       compatible = "inventec,transformer-bmc", "aspeed,ast2600";
+
+       aliases {
+               serial4 = &uart5;
+       };
+
+       chosen {
+               stdout-path = &uart5;
+               bootargs = "console=ttyS4,115200n8";
+       };
+
+       memory@80000000 {
+               device_type = "memory";
+               reg = <0x80000000 0x80000000>;
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               // UID led
+               uid {
+                       label = "UID_LED";
+                       gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>;
+               };
+
+               // Heart beat led
+               heartbeat {
+                       label = "HB_LED";
+                       gpios = <&gpio0 ASPEED_GPIO(P, 7) GPIO_ACTIVE_LOW>;
+               };
+       };
+};
+
+&mdio0 {
+       status = "okay";
+
+       ethphy0: ethernet-phy@0 {
+               compatible = "ethernet-phy-ieee802.3-c22";
+               reg = <1>;
+       };
+};
+
+&mac3 {
+       status = "okay";
+       phy-mode = "rgmii";
+       phy-handle = <&ethphy0>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_rgmii4_default>;
+};
+
+&fmc {
+       status = "okay";
+
+       flash@0 {
+               status = "okay";
+               m25p,fast-read;
+               label = "bmc";
+               spi-max-frequency = <33000000>;
+               spi-tx-bus-width = <2>;
+               spi-rx-bus-width = <2>;
+#include "openbmc-flash-layout.dtsi"
+       };
+
+       flash@1 {
+               status = "okay";
+               m25p,fast-read;
+               label = "bmc2";
+               spi-max-frequency = <33000000>;
+               spi-tx-bus-width = <2>;
+               spi-rx-bus-width = <2>;
+       };
+};
+
+&spi1 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_spi1_default>;
+
+       flash@0 {
+               status = "okay";
+               m25p,fast-read;
+               label = "bios";
+               spi-max-frequency = <33000000>;
+               spi-tx-bus-width = <1>;
+               spi-rx-bus-width = <1>;
+       };
+};
+
+&wdt1 {
+       status = "okay";
+};
+
+&uart1 {
+       status = "okay";
+};
+
+&uart5 {
+       status = "okay";
+};
+
+&i2c0 {
+       status = "okay";
+
+       //Set bmc' slave address;
+       bmc_slave@10 {
+               compatible = "ipmb-dev";
+               reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+               i2c-protocol;
+       };
+};
+
+&i2c2 {
+       status = "okay";
+};
+
+&i2c3 {
+       // FRU AT24C512C-SSHM-T
+       status = "okay";
+       eeprom@50 {
+               compatible = "atmel,24c512";
+               reg = <0x50>;
+               pagesize = <128>;
+       };
+};
+
+&i2c5 {
+       status = "okay";
+};
+
+&i2c6 {
+       status = "okay";
+
+       tmp75@49 {
+               compatible = "ti,tmp75";
+               reg = <0x49>;
+       };
+
+       tmp75@4f {
+               compatible = "ti,tmp75";
+               reg = <0x4f>;
+       };
+
+       tmp468@48 {
+               compatible = "ti,tmp468";
+               reg = <0x48>;
+       };
+};
+
+&i2c7 {
+       status = "okay";
+       adm1278@40 {
+               compatible = "adi,adm1278";
+               reg = <0x40>;
+       };
+};
+
+
+&i2c8 {
+       // FRU AT24C512C-SSHM-T
+       status = "okay";
+
+       eeprom@51 {
+               compatible = "atmel,24c512";
+               reg = <0x51>;
+               pagesize = <128>;
+       };
+
+       eeprom@53 {
+               compatible = "atmel,24c512";
+               reg = <0x53>;
+               pagesize = <128>;
+       };
+};
+
+&i2c9 {
+       // M.2
+       status = "okay";
+};
+
+&i2c10 {
+       // I2C EXPANDER
+       status = "okay";
+
+       i2c-switch@71 {
+               compatible = "nxp,pca9544";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0x71>;
+       };
+
+       i2c-switch@73 {
+               compatible = "nxp,pca9544";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0x73>;
+       };
+};
+
+&i2c11 {
+       // I2C EXPANDER
+       status = "okay";
+
+       i2c-switch@70 {
+               compatible = "nxp,pca9544";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0x70>;
+
+               pcie_eeprom_riser1: i2c@0 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0>;
+
+                       eeprom@55 {
+                               compatible = "atmel,24c512";
+                               reg = <0x55>;
+                               pagesize = <128>;
+                       };
+               };
+
+               pcie_eeprom_riser2: i2c@1 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <1>;
+
+                       eeprom@55 {
+                               compatible = "atmel,24c512";
+                               reg = <0x55>;
+                               pagesize = <128>;
+                       };
+               };
+
+               pcie_eeprom_riser3: i2c@2 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <2>;
+
+                       eeprom@55 {
+                               compatible = "atmel,24c512";
+                               reg = <0x55>;
+                               pagesize = <128>;
+                       };
+               };
+       };
+};
+
+&i2c12 {
+       status = "okay";
+
+       psu0:psu0@58 {
+               compatible = "pmbus";
+               reg = <0x58>;
+       };
+};
+
+&gpio0 {
+       status = "okay";
+       gpio-line-names =
+       /*A0-A7*/   "","","","","","","","",
+       /*B0-B7*/   "presence-ps0","power-chassis-good","","","","","presence-ps1","",
+       /*C0-C7*/   "","","","","","","","",
+       /*D0-D7*/   "","","","","","","","",
+       /*E0-E7*/   "","","","","","","","",
+       /*F0-F7*/   "","","","","power-chassis-control","","","",
+       /*G0-G7*/   "","","jtag-mux","","","","","",
+       /*H0-H7*/   "","","","","reset-button","power-button","","",
+       /*I0-I7*/   "","","","","","","","",
+       /*J0-J7*/   "","","","","","","","",
+       /*K0-K7*/   "","","","","","","","",
+       /*L0-L7*/   "","","","","","","","",
+       /*M0-M7*/   "","","","","","","","",
+       /*N0-N7*/   "","","","","","","","",
+       /*O0-O7*/   "","","","","","","","",
+       /*P0-P7*/   "","","","tck-mux","","","","",
+       /*Q0-Q7*/   "","","","","","","","",
+       /*R0-R7*/   "","","","","","","","",
+       /*S0-S7*/   "","","","","","","","",
+       /*T0-T7*/   "","","","","","","","",
+       /*U0-U7*/   "","nmi-button","","","","","","",
+       /*V0-V7*/   "","","","","power-config-full-load","","","",
+       /*W0-W7*/   "","","","","","","","",
+       /*X0-X7*/   "","","","","","","","",
+       /*Y0-Y7*/   "","","","","","","","",
+       /*Z0-Z7*/   "","","","","","","","",
+       /*AA0-AA7*/ "","","","","","","","",
+       /*AB0-AB7*/ "","","","","","","","",
+       /*AC0-AC7*/ "","","","","","","","";
+};
+
+&lpc_snoop {
+       status = "okay";
+       snoop-ports = <0x80>;
+};
+
+&emmc_controller {
+       status = "okay";
+};
+
+&emmc {
+       status = "okay";
+       non-removable;
+       max-frequency = <52000000>;
+       bus-width = <8>;
+};
+
+&vhub {
+       status = "okay";
+       aspeed,vhub-downstream-ports = <7>;
+       aspeed,vhub-generic-endpoints = <21>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_usb2ad_default>;
+};
+
+&rtc {
+       status = "okay";
+};