ARM: dts: aspeed: Add Portwell Neptune machine

Initial introduction of Portwell Neptune family equipped with
Aspeed 2500 BMC SoC. Neptune is a x86 server development kit with a
ASPEED ast2500 BMC manufactured by Portwell. Specifically, This
adds the neptune platform device tree file including the flash
layout used by the neptune machines.

Signed-off-by: Amithash Prasad <amithash@fb.com>
Acked-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index b5f978a..17750cd 100644 (file)
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -278,6 +278,7 @@ pine64      Pine64
 pixcir  PIXCIR MICROELECTRONICS Co., Ltd
 plathome       Plat'Home Co., Ltd.
 plda   PLDA
+portwell       Portwell Inc.
 poslab Poslab Technology Co., Ltd.
 powervr        PowerVR (deprecated, use img)
 probox2        PROBOX2 (by W2COMP Co., Ltd.)

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 7e24249..c464a14 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1162,4 +1162,5 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
        aspeed-bmc-opp-romulus.dtb \
        aspeed-bmc-opp-witherspoon.dtb \
        aspeed-bmc-opp-zaius.dtb \
+       aspeed-bmc-portwell-neptune.dtb \
        aspeed-bmc-quanta-q71l.dtb

diff --git a/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts b/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts
new file mode 100644 (file)
index 0000000..43ed139
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts
@@ -0,0 +1,159 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2017 Facebook Inc.
+/dts-v1/;
+
+#include "aspeed-g5.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+
+/ {
+       model = "Portwell Neptune BMC";
+       compatible = "portwell,neptune-bmc", "aspeed,ast2500";
+       aliases {
+               serial0 = &uart1;
+               serial4 = &uart5;
+       };
+       chosen {
+               stdout-path = &uart5;
+               bootargs = "console=ttyS4,115200 earlyprintk";
+       };
+
+       memory {
+               reg = <0x80000000 0x20000000>;
+       };
+
+       leds {
+               compatible = "gpio-leds";
+               postcode0 {
+                       label="BMC_UP";
+                       gpios = <&gpio ASPEED_GPIO(H, 0) GPIO_ACTIVE_HIGH>;
+                       default-state = "on";
+               };
+               postcode1 {
+                       label="BMC_HB";
+                       gpios = <&gpio ASPEED_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "heartbeat";
+               };
+               postcode2 {
+                       label="FAULT";
+                       gpios = <&gpio ASPEED_GPIO(H, 2) GPIO_ACTIVE_HIGH>;
+               };
+               // postcode3-7 are GPIOH3-H7
+       };
+};
+
+&fmc {
+       status = "okay";
+       flash@0 {
+               status = "okay";
+               m25p,fast-read;
+#include "openbmc-flash-layout.dtsi"
+       };
+};
+
+&spi1 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_spi1_default>;
+       flash@0 {
+               status = "okay";
+               m25p,fast-read;
+               label = "pnor";
+       };
+};
+
+&uart1 {
+       // Host Console
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_txd1_default
+                    &pinctrl_rxd1_default>;
+};
+
+&uart5 {
+       // BMC Console
+       status = "okay";
+};
+
+&mac0 {
+       status = "okay";
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_rmii1_default
+                    &pinctrl_mdio1_default>;
+};
+
+&mac1 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_rmii2_default>;
+       use-ncsi;
+};
+
+&i2c1 {
+       status = "okay";
+       // To PCIe slot SMBUS
+};
+
+&i2c2 {
+       status = "okay";
+       // To LAN I210
+};
+
+&i2c3 {
+       status = "okay";
+       // SMBus to COMe AB
+};
+
+&i2c4 {
+       status = "okay";
+       // I2C to COMe AB
+};
+
+&i2c5 {
+       status = "okay";
+//     USB Debug card
+       pca9555@27 {
+               compatible = "nxp,pca9555";
+               reg = <0x27>;
+       };
+};
+
+&i2c6 {
+       status = "okay";
+       tpm@20 {
+               compatible = "infineon,slb9645tt";
+               reg = <0x20>;
+       };
+       tmp421@4e {
+               compatible = "ti,tmp421";
+               reg = <0x4e>;
+       };
+       tmp421@4f {
+               compatible = "ti,tmp421";
+               reg = <0x4f>;
+       };
+};
+
+&i2c8 {
+       status = "okay";
+       eeprom@51 {
+               compatible = "atmel,24c128";
+               reg = <0x51>;
+               pagesize = <32>;
+       };
+};
+
+&pwm_tacho {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_pwm0_default &pinctrl_pwm1_default>;
+       fan@0 {
+               reg = <0x00>;
+               aspeed,fan-tach-ch = /bits/ 8 <0x00>;
+       };
+
+       fan@1 {
+               reg = <0x00>;
+               aspeed,fan-tach-ch = /bits/ 8 <0x01>;
+       };
+};