[PATCH v2] ARM: dts: Aspeed: Add Facebook Harma DTS

[Peter Yin]

Initial introduction of Facebook Harma
equipped with Aspeed 2600 BMC SoC.

Signed-off-by: Peter Yin <peteryin.openbmc at gmail.com>
---
Change log:

v1 -> v2
 - Revise common to harma

v1
 - Create facebook common dts
---
 arch/arm/dts/Makefile          |  1 +
 arch/arm/dts/ast2600-harma.dts | 66 ++++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+)
 create mode 100644 arch/arm/dts/ast2600-harma.dts

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 6f4b4d8a17..cb96c0a673 100755
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -688,6 +688,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
 	ast2600-evb.dtb \
 	ast2600-fpga.dtb \
 	ast2600-greatlakes.dtb \
+	ast2600-harma.dtb \
 	ast2600-intel.dtb \
 	ast2600-intel.dtb \
 	ast2600-ncsi.dtb \
diff --git a/arch/arm/dts/ast2600-harma.dts b/arch/arm/dts/ast2600-harma.dts
new file mode 100644
index 0000000000..11d6d5d60c
--- /dev/null
+++ b/arch/arm/dts/ast2600-harma.dts
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2024 Meta Platforms Inc.
+/dts-v1/;
+
+#include "ast2600-u-boot.dtsi"
+
+/ {
+	model = "Facebook Harma BMC";
+	compatible = "facebook,harma-bmc", "aspeed,ast2600";
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x40000000>;
+	};
+
+	chosen {
+		stdout-path = &uart5;
+	};
+
+	aliases {
+		spi0 = &fmc;
+	};
+
+	cpus {
+		cpu at 0 {
+			clock-frequency = <800000000>;
+		};
+		cpu at 1 {
+			clock-frequency = <800000000>;
+		};
+	};
+};
+
+&uart5 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&sdrammc {
+	clock-frequency = <400000000>;
+};
+
+&fmc {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_fmcquad_default>;
+
+	flash at 0 {
+		status = "okay";
+		spi-max-frequency = <50000000>;
+		spi-tx-bus-width = <2>;
+		spi-rx-bus-width = <2>;
+	};
+
+	flash at 1 {
+		status = "okay";
+		spi-max-frequency = <50000000>;
+		spi-tx-bus-width = <2>;
+		spi-rx-bus-width = <2>;
+	};
+};
+
+&hace {
+	status = "okay";
+};
-- 
2.25.1