Add linux device tree entry related to
greatlakes specific devices connected to BMC SoC.
---
--- v1 - Add documentation of board compatible (bindings)
--- - Add board compatible
--- - Remove the bootargs
--- - Revise the DTS node name
---
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@xxxxxxxxxx>
---
arch/arm/boot/dts/Makefile | 1 +
.../dts/aspeed-bmc-facebook-greatlakes.dts | 243 ++++++++++++++++++
2 files changed, 244 insertions(+)
create mode 100644 arch/arm/boot/dts/aspeed-bmc-facebook-greatlakes.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 05d8aef6e5d2..d9f417f2d7df 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1586,6 +1586,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-bmc-facebook-elbert.dtb \
aspeed-bmc-facebook-fuji.dtb \
aspeed-bmc-facebook-galaxy100.dtb \
+ aspeed-bmc-facebook-greatlakes.dtb \
aspeed-bmc-facebook-minipack.dtb \
aspeed-bmc-facebook-tiogapass.dtb \
aspeed-bmc-facebook-wedge40.dtb \
diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-greatlakes.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-greatlakes.dts
new file mode 100644
index 000000000000..29c46d0e003e
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-greatlakes.dts
@@ -0,0 +1,243 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2022 Facebook Inc.
+
+/dts-v1/;
+#include "aspeed-g6.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include <dt-bindings/leds/leds-pca955x.h>
+#include <dt-bindings/i2c/i2c.h>
+
+/ {
+ model = "Facebook Greatlakes BMC";
+ compatible = "facebook,greatlakes-bmc", "aspeed,ast2600";
+
+ aliases {
+ serial4 = &uart5;
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x80000000>;
+ };
+
+ iio-hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>,
+ <&adc0 4>, <&adc0 5>, <&adc0 6>, <&adc0 7>,
+ <&adc1 0>, <&adc1 2>, <&adc1 3>, <&adc1 4>,
+ <&adc1 5>, <&adc1 6>;
+ };
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&uart3 {
+ status = "okay";
+};
+
+&uart4 {
+ status = "okay";
+};
+
+&uart5 {
+ status = "okay";
+};
+
+&wdt1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdtrst1_default>;
+ aspeed,reset-type = "soc";
+ aspeed,external-signal;
+ aspeed,ext-push-pull;
+ aspeed,ext-active-high;
+ aspeed,ext-pulse-duration = <256>;
+};
+
+&mac3 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rmii4_default>;
+ no-hw-checksum;
+ use-ncsi;
+ mlx,multi-host;
+ ncsi-ctrl,start-redo-probe;
+ ncsi-ctrl,no-channel-monitor;
+ ncsi-package = <1>;
+ ncsi-channel = <1>;
+ ncsi-rexmit = <1>;
+ ncsi-timeout = <2>;
+};
+
+&rtc {
+ status = "okay";
+};
+
+&fmc {
+ status = "okay";
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bmc";
+ spi-rx-bus-width = <4>;
+ spi-max-frequency = <50000000>;
+#include "openbmc-flash-layout-64.dtsi"
+ };
+ flash@1 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bmc2";
+ spi-rx-bus-width = <4>;
+ spi-max-frequency = <50000000>;
+ };
+};
+
+&i2c0 {
+ status = "okay";
+ multi-master;
+ ipmb0@10 {
+ compatible = "ipmb-dev";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ i2c-protocol;
+ };
+};
+
+&i2c1 {
+ status = "okay";
+ multi-master;
+ ipmb1@10 {
+ compatible = "ipmb-dev";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ i2c-protocol;
+ };
+};
+
+&i2c2 {
+ status = "okay";
+ multi-master;
+ ipmb2@10 {
+ compatible = "ipmb-dev";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ i2c-protocol;
+ };
+};
+
+&i2c3 {
+ status = "okay";
+ multi-master;
+ ipmb3@10 {
+ compatible = "ipmb-dev";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ i2c-protocol;
+ };
+};
+
+&i2c4 {
+ status = "okay";
+};
+
+&i2c5 {
+ status = "okay";
+};
+
+&i2c6 {
+ status = "okay";
+};
+
+&i2c7 {
+ status = "okay";
+};
+
+&i2c8 {
+ status = "okay";
+ temperature-sensor@1f {
+ compatible = "ti,tmp421";
+ reg = <0x1f>;
+ };
+ // NIC EEPROM
+ eeprom@50 {
+ compatible = "st,24c32";
+ reg = <0x50>;
+ };
+};
+
+&i2c9 {
+ status = "okay";
+ multi-master;
+ ipmb9@10 {
+ compatible = "ipmb-dev";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ i2c-protocol;
+ };
+};
+
+&i2c10 {
+ status = "okay";
+};
+
+&i2c11 {
+ status = "okay";
+ eeprom@51 {
+ compatible = "atmel,24c128";
+ reg = <0x51>;
+ };
+ eeprom@54 {
+ compatible = "atmel,24c128";
+ reg = <0x54>;
+ };
+};
+
+&i2c12 {
+ status = "okay";
+ temperature-sensor@4f {
+ compatible = "lm75";
+ reg = <0x4f>;
+ };
+};
+
+&i2c13 {
+ status = "okay";
+};
+
+&adc0 {
+ ref_voltage = <2500>;
+ status = "okay";
+ pinctrl-0 = <&pinctrl_adc0_default &pinctrl_adc1_default
+ &pinctrl_adc2_default &pinctrl_adc3_default
+ &pinctrl_adc4_default &pinctrl_adc5_default
+ &pinctrl_adc6_default &pinctrl_adc7_default>;
+};
+
+&adc1 {
+ ref_voltage = <2500>;
+ status = "okay";
+ pinctrl-0 = <&pinctrl_adc8_default &pinctrl_adc10_default
+ &pinctrl_adc11_default &pinctrl_adc12_default
+ &pinctrl_adc13_default &pinctrl_adc14_default>;
+};
+
+
+&ehci0 {
+ status = "okay";
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&uhci {
+ status = "okay";
+};
+
+&gpio0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpiu1_default &pinctrl_gpiu7_default>;
+};
+
+
--
2.25.1
