Add generic Enclustra base-board support for the Mercury+ PE1, the
Mercury+ PE3 and the Mercury+ ST1 board. The carrier boards can be
freely combined with the SoMs Mercury+ AA1, Mercury SA1 and
Mercury+ SA2.

Signed-off-by: Andreas Buerkler <andreas.buerkler@enclustra.com>
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
---
 .../socfpga_enclustra_mercury_pe1.dtsi        | 33 +++++++++++
 .../socfpga_enclustra_mercury_pe3.dtsi        | 55 +++++++++++++++++++
 .../socfpga_enclustra_mercury_st1.dtsi        | 15 +++++
 3 files changed, 103 insertions(+)
 create mode 100644 arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_pe1.dtsi
 create mode 100644 arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_pe3.dtsi
 create mode 100644 arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_st1.dtsi

diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_pe1.dtsi b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_pe1.dtsi
new file mode 100644
index 000000000..abc4bfb7f
--- /dev/null
+++ b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_pe1.dtsi
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright (C) 2024 Enclustra GmbH - https://www.enclustra.com
+ */
+
+&i2c_encl {
+	status = "okay";
+
+	eeprom@57 {
+		status = "okay";
+		compatible = "microchip,24c128";
+		reg = <0x57>;
+		pagesize = <64>;
+		label = "user eeprom";
+		address-width = <16>;
+	};
+
+	lm96080: temperature-sensor@2f {
+		status = "okay";
+		compatible = "national,lm80";
+		reg = <0x2f>;
+	};
+
+	si5338: clock-controller@70 {
+		compatible = "silabs,si5338";
+		reg = <0x70>;
+	};
+
+};
+
+&i2c_encl_fpga {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_pe3.dtsi b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_pe3.dtsi
new file mode 100644
index 000000000..bc57b0680
--- /dev/null
+++ b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_pe3.dtsi
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright (C) 2024 Enclustra GmbH - https://www.enclustra.com
+ */
+
+&i2c_encl {
+	i2c-mux@74 {
+		status = "okay";
+		compatible = "nxp,pca9547";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x74>;
+
+		i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+
+			eeprom@56 {
+				status = "okay";
+				compatible = "microchip,24c128";
+				reg = <0x56>;
+				pagesize = <64>;
+				label = "user eeprom";
+				address-width = <16>;
+			};
+
+			lm96080: temperature-sensor@2f {
+				status = "okay";
+				compatible = "national,lm80";
+				reg = <0x2f>;
+			};
+
+			pcal6416: gpio@20 {
+				status = "okay";
+				compatible = "nxp,pcal6416";
+				reg = <0x20>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+		};
+	};
+};
+
+&i2c_encl_fpga {
+	status = "okay";
+
+	i2c-mux@75 {
+		status = "okay";
+		compatible = "nxp,pca9547";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x75>;
+	};
+};
diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_st1.dtsi b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_st1.dtsi
new file mode 100644
index 000000000..4c00475f4
--- /dev/null
+++ b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_st1.dtsi
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright (C) 2024 Enclustra GmbH - https://www.enclustra.com
+ */
+
+&i2c_encl {
+	si5338: clock-controller@70 {
+		compatible = "silabs,si5338";
+		reg = <0x70>;
+	};
+};
+
+&i2c_encl_fpga {
+	status = "okay";
+};
-- 
2.39.2