Add initial version of device tree for Facebook YAMP ast2500 BMC.
Signed-off-by: Tao Ren <taoren@xxxxxx>
---
arch/arm/boot/dts/Makefile | 1 +
.../arm/boot/dts/aspeed-bmc-facebook-yamp.dts | 160 ++++++++++++++++++
2 files changed, 161 insertions(+)
create mode 100644 arch/arm/boot/dts/aspeed-bmc-facebook-yamp.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index f4f5aeaf3298..710616dcb62e 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1254,6 +1254,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-bmc-arm-stardragon4800-rep2.dtb \
aspeed-bmc-facebook-cmm.dtb \
aspeed-bmc-facebook-tiogapass.dtb \
+ aspeed-bmc-facebook-yamp.dtb \
aspeed-bmc-intel-s2600wf.dtb \
aspeed-bmc-opp-lanyang.dtb \
aspeed-bmc-opp-palmetto.dtb \
diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-yamp.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-yamp.dts
new file mode 100644
index 000000000000..4e09a9cf32b7
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-yamp.dts
@@ -0,0 +1,160 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2018 Facebook Inc.
+/dts-v1/;
+
+#include "aspeed-g5.dtsi"
+
+/ {
+ model = "Facebook YAMP 100 BMC";
+ compatible = "facebook,yamp-bmc", "aspeed,ast2500";
+
+ aliases {
+ /*
+ * Override the default uart aliases to avoid breaking
+ * the legacy applications.
+ */
+ serial0 = &uart5;
+ serial1 = &uart1;
+ serial2 = &uart2;
+ serial3 = &uart3;
+ };
+
+ chosen {
+ stdout-path = &uart5;
+ bootargs = "console=ttyS0,9600n8 root=/dev/ram rw";
+ };
+
+ memory@80000000 {
+ reg = <0x80000000 0x20000000>;
+ };
+};
+
+&pinctrl {
+ aspeed,external-nodes = <&gfx &lhc>;
+};
+
+/*
+ * Update reset type to "system" (full chip) to fix warm reboot hang issue
+ * when reset type is set to default ("soc", gated by reset mask registers).
+ */
+&wdt1 {
+ status = "okay";
+ aspeed,reset-type = "system";
+};
+
+/*
+ * wdt2 is not used by Yamp.
+ */
+&wdt2 {
+ status = "disabled";
+};
+
+&fmc {
+ status = "okay";
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bmc";
+#include "facebook-bmc-flash-layout.dtsi"
+ };
+};
+
+&uart1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_txd1_default
+ &pinctrl_rxd1_default>;
+};
+
+&uart2 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_txd2_default
+ &pinctrl_rxd2_default>;
+};
+
+&uart3 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_txd3_default
+ &pinctrl_rxd3_default>;
+};
+
+&uart5 {
+ status = "okay";
+};
+
+&mac0 {
+ status = "okay";
+ use-ncsi;
+ no-hw-checksum;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rmii1_default>;
+};
+
+&i2c0 {
+ status = "okay";
+};
+
+&i2c1 {
+ status = "okay";
+};
+
+&i2c2 {
+ status = "okay";
+
+ i2c-switch@75 {
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x75>;
+ };
+};
+
+&i2c3 {
+ status = "okay";
+};
+
+&i2c4 {
+ status = "okay";
+};
+
+&i2c5 {
+ status = "okay";
+};
+
+&i2c6 {
+ status = "okay";
+};
+
+&i2c7 {
+ status = "okay";
+};
+
+&i2c8 {
+ status = "okay";
+};
+
+&i2c9 {
+ status = "okay";
+};
+
+&i2c10 {
+ status = "okay";
+};
+
+&i2c11 {
+ status = "okay";
+};
+
+&i2c12 {
+ status = "okay";
+};
+
+&i2c13 {
+ status = "okay";
+};
+
+&vhub {
+ status = "okay";
+};
--
2.17.1
