[PATCH] ARM: dts: aspeed: Adding Inventec Transformers BMC

["Lin.TommySC 林世欽 TAO" <Lin.TommySC@inventec.com>]

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As titled.

BR
Tommy

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From c50feb30b0313250339e9149410ebdd8139c5f80 Mon Sep 17 00:00:00 2001
From: "Lin.TommySC" <lin.tommysc@inventec.com>
Date: Tue, 24 Aug 2021 05:44:59 +0000
Subject: [PATCH] Linux add Transformers machine config

Initial introduction of Inventec Transformers family equipped with Aspeed 2600 BMC SoC.
---
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 arch/arm/boot/dts/Makefile                    |   1 +
 .../dts/aspeed-bmc-inventec-transformers.dts  | 362 ++++++++++++++++++
 3 files changed, 365 insertions(+)
 create mode 100644 arch/arm/boot/dts/aspeed-bmc-inventec-transformers.dts

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 355b81148b85..28c068ed0a75 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -507,6 +507,8 @@ patternProperties:
     description: Inter Control Group
   "^invensense,.*":
     description: InvenSense Inc.
+  "^inventec,.*":
+    description: Inventec Corporation
   "^inversepath,.*":
     description: Inverse Path
   "^iom,.*":
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 48d48c85de9e..930b8ba6c3c5 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1407,6 +1407,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
 	aspeed-bmc-intel-s2600wf.dtb \
 	aspeed-bmc-inspur-fp5280g2.dtb \
 	aspeed-bmc-inspur-nf5280m6.dtb \
+	aspeed-bmc-inventec-transformers.dtb \
 	aspeed-bmc-lenovo-hr630.dtb \
 	aspeed-bmc-lenovo-hr855xg2.dtb \
 	aspeed-bmc-microsoft-olympus.dtb \
diff --git a/arch/arm/boot/dts/aspeed-bmc-inventec-transformers.dts b/arch/arm/boot/dts/aspeed-bmc-inventec-transformers.dts
new file mode 100644
index 000000000000..e7866c7dba7f
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-inventec-transformers.dts
@@ -0,0 +1,362 @@
+// 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=tty0 console=ttyS4,115200n8 root=/dev/ram rw init=/linuxrc";
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x80000000>;
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		gfx_memory: framebuffer {
+			size = <0x01000000>;
+			alignment = <0x01000000>;
+			compatible = "shared-dma-pool";
+			reusable;
+		};
+
+		video_engine_memory: video {
+			size = <0x04000000>;
+			alignment = <0x01000000>;
+			compatible = "shared-dma-pool";
+			reusable;
+		};
+
+		ssp_memory: ssp_memory {
+			size = <0x00200000>;
+			alignment = <0x00100000>;
+			compatible = "shared-dma-pool";
+			no-map;
+		};
+	};
+
+	iio-hwmon {
+		compatible = "iio-hwmon";
+	};
+
+	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*/   "I2C_HSC_ALERT","BMC_READY","","","","","PSU1_ALERT","",
+	/*C0-C7*/   "","","","","","","","",
+	/*D0-D7*/   "","","","","","","","",
+	/*E0-E7*/   "","","","","","","","",
+	/*F0-F7*/   "","","","","RST_BMC_SGPIO","","","",
+	/*G0-G7*/   "","","JTAG_MUX_SEL","","","","","",
+	/*H0-H7*/   "","","","","RESET_OUT","POWER_OUT","","",
+	/*I0-I7*/   "","","","","","","NMI_OUT","",
+	/*J0-J7*/   "","","","","","","","",
+	/*K0-K7*/   "","","","","","","","",
+	/*L0-L7*/   "","","","","","","","",
+	/*M0-M7*/   "","","","","","","","",
+	/*N0-N7*/   "","","","","","","","",
+	/*O0-O7*/   "","","","","","","","",
+	/*P0-P7*/   "","","","TCK_MUX_SEL","BMC_ASD_JTAG_EN","","PREQ_N","",
+	/*Q0-Q7*/   "","","","","","","","",
+	/*R0-R7*/   "","","","","","","","",
+	/*S0-S7*/   "","","","","","","PCH_THERMTRIP","",
+	/*T0-T7*/   "","","","","","","","",
+	/*U0-U7*/   "","NMI_BUTTON","","","","","","",
+	/*V0-V7*/   "","","","","PS_PWROK","","","PRDY_N",
+	/*W0-W7*/   "","","","","","","","",
+	/*X0-X7*/   "","","","CPLD_CATERR","","","","",
+	/*Y0-Y7*/   "","","","","","","","",
+	/*Z0-Z7*/   "","","","","","","","",
+	/*AA0-AA7*/ "","","","","","","","",
+	/*AB0-AB7*/ "","","","","","","","",
+	/*AC0-AC7*/ "","","","","","","","";
+};
+
+&lpc_snoop {
+	status = "okay";
+	snoop-ports = <0x80>;
+};
+
+&emmc_controller {
+	status = "okay";
+	timing-phase = <0x700FF>;
+};
+
+&emmc {
+	status = "okay";
+
+	non-removable;
+	max-frequency = <52000000>;
+	sdhci-drive-type = /bits/ 8 <3>;
+	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";
+};
-- 
2.17.1