diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 38e344a2f0ff..0d36c6e64574 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -4,6 +4,10 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-frwy.dtb
 dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-oxalis.dtb
 dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-qds.dtb
 dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-rdb.dtb
+dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-kbox-a-230-ls.dtb
+dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28.dtb
+dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var3-ads2.dtb
+dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var4.dtb
 dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds.dtb
 dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-rdb.dtb
 dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-qds.dtb
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dts
new file mode 100644
index 000000000000..aaf3c04771c3
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dts
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Device Tree File for the Kontron KBox A-230-LS.
+ *
+ * This consists of a Kontron SMARC-sAL28 (Dual PHY) and a special
+ * carrier (s1914).
+ *
+ * Copyright (C) 2019 Michael Walle <michael@walle.cc>
+ *
+ */
+
+/dts-v1/;
+#include "fsl-ls1028a-kontron-sl28-var4.dts"
+
+/ {
+	model = "Kontron KBox A-230-LS";
+	compatible = "kontron,kbox-a-230-ls", "kontron,sl28-var4",
+		     "kontron,sl28", "fsl,ls1028a";
+};
+
+&i2c4 {
+	eeprom@50 {
+		compatible = "atmel,24c32";
+		reg = <0x50>;
+		pagesize = <32>;
+	};
+};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts
new file mode 100644
index 000000000000..7de55f2aa7dc
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Device Tree file for the Kontron SMARC-sAL28 board on a SMARC Eval 2.0
+ * carrier (ADS2).
+ *
+ * Copyright (C) 2019 Michael Walle <michael@walle.cc>
+ *
+ */
+
+/dts-v1/;
+#include "fsl-ls1028a-kontron-sl28.dts"
+
+/ {
+	model = "Kontron SMARC-sAL28 (Single PHY) on SMARC Eval 2.0 carrier";
+	compatible = "kontron,sl28-var3-ads2", "kontron,sl28-var3",
+		     "kontron,sl28", "fsl,ls1028a";
+
+	sound {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "simple-audio-card";
+		simple-audio-card,widgets =
+			"Headphone", "Headphone Jack",
+			"Line", "Line Out Jack",
+			"Microphone", "Microphone Jack",
+			"Line", "Line In Jack";
+		simple-audio-card,routing =
+			"Line Out Jack", "LINEOUTR",
+			"Line Out Jack", "LINEOUTL",
+			"Headphone Jack", "HPOUTR",
+			"Headphone Jack", "HPOUTL",
+			"IN1L", "Line In Jack",
+			"IN1R", "Line In Jack",
+			"Microphone Jack", "MICBIAS",
+			"IN2L", "Microphone Jack",
+			"IN2R", "Microphone Jack";
+		simple-audio-card,mclk-fs = <256>;
+
+		simple-audio-card,dai-link@0 {
+			reg = <0>;
+			bitclock-master = <&dailink0_master>;
+			frame-master = <&dailink0_master>;
+			format = "i2s";
+
+			cpu {
+				sound-dai = <&sai6>;
+			};
+
+			dailink0_master: codec {
+				sound-dai = <&wm8904>;
+			};
+		};
+
+		simple-audio-card,dai-link@1 {
+			reg = <1>;
+			bitclock-master = <&dailink1_master>;
+			frame-master = <&dailink1_master>;
+			format = "i2s";
+
+			cpu {
+				sound-dai = <&sai5>;
+			};
+
+			dailink1_master: codec {
+				sound-dai = <&wm8904>;
+			};
+		};
+	};
+};
+
+&i2c4 {
+	status = "okay";
+
+	wm8904: audio-codec@1a {
+		#sound-dai-cells = <0>;
+		compatible = "wlf,wm8904";
+		reg = <0x1a>;
+		clocks = <&mclk>;
+		clock-names = "mclk";
+		assigned-clocks = <&mclk>;
+		assigned-clock-rates = <1250000>;
+	};
+
+	eeprom@50 {
+		compatible = "atmel,24c32";
+		reg = <0x50>;
+		pagesize = <32>;
+	};
+};
+
+&sai5 {
+	status = "okay";
+};
+
+&sai6 {
+	status = "okay";
+};
+
+&soc {
+	mclk: clock-mclk@f130080 {
+		compatible = "fsl,vf610-sai-clock";
+		reg = <0x0 0xf130080 0x0 0x80>;
+		clocks = <&clockgen 4 1>;
+		#clock-cells = <0>;
+	};
+};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts
new file mode 100644
index 000000000000..f659e89face8
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Device Tree file for the Kontron SMARC-sAL28 board.
+ *
+ * This is for the network variant 4 which has two ethernet ports. It
+ * extends the base and provides one more port connected via RGMII.
+ *
+ * Copyright (C) 2019 Michael Walle <michael@walle.cc>
+ *
+ */
+
+/dts-v1/;
+#include "fsl-ls1028a-kontron-sl28.dts"
+#include <dt-bindings/net/qca-ar803x.h>
+
+/ {
+	model = "Kontron SMARC-sAL28 (Dual PHY)";
+	compatible = "kontron,sl28-var4", "kontron,sl28", "fsl,ls1028a";
+};
+
+&enetc_port1 {
+	phy-handle = <&phy1>;
+	phy-connection-type = "rgmii-id";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy1: ethernet-phy@4 {
+			reg = <0x4>;
+			eee-broken-1000t;
+			eee-broken-100tx;
+
+			qca,clk-out-frequency = <125000000>;
+			qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
+
+			vddio-supply = <&vddh>;
+
+			vddio: vddio-regulator {
+				regulator-name = "VDDIO";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+
+			vddh: vddh-regulator {
+				regulator-name = "VDDH";
+			};
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
new file mode 100644
index 000000000000..d221ed471cde
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Device Tree file for the Kontron SMARC-sAL28 board.
+ *
+ * Copyright (C) 2019 Michael Walle <michael@walle.cc>
+ *
+ */
+
+/dts-v1/;
+#include "fsl-ls1028a.dtsi"
+
+/ {
+	model = "Kontron SMARC-sAL28";
+	compatible = "kontron,sl28", "fsl,ls1028a";
+
+	aliases {
+		crypto = &crypto;
+		serial0 = &duart0;
+		serial1 = &duart1;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&duart0 {
+	status = "okay";
+};
+
+&duart1 {
+	status = "okay";
+};
+
+&enetc_port0 {
+	phy-handle = <&phy0>;
+	phy-connection-type = "sgmii";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy0: ethernet-phy@5 {
+			reg = <0x5>;
+			eee-broken-1000t;
+			eee-broken-100tx;
+		};
+	};
+};
+
+&esdhc {
+	sd-uhs-sdr104;
+	sd-uhs-sdr50;
+	sd-uhs-sdr25;
+	sd-uhs-sdr12;
+	status = "okay";
+};
+
+&esdhc1 {
+	mmc-hs200-1_8v;
+	mmc-hs400-1_8v;
+	bus-width = <8>;
+	status = "okay";
+};
+
+&fspi {
+	status = "okay";
+
+	flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		m25p,fast-read;
+		spi-max-frequency = <133000000>;
+		reg = <0>;
+		/* The following setting enables 1-1-2 (CMD-ADDR-DATA) mode */
+		spi-rx-bus-width = <2>; /* 2 SPI Rx lines */
+		spi-tx-bus-width = <1>; /* 1 SPI Tx line */
+
+		partition@0 {
+			reg = <0x000000 0x010000>;
+			label = "rcw";
+			read-only;
+		};
+
+		partition@10000 {
+			reg = <0x010000 0x0f0000>;
+			label = "failsafe bootloader";
+			read-only;
+		};
+
+		partition@100000 {
+			reg = <0x100000 0x040000>;
+			label = "failsafe DP firmware";
+			read-only;
+		};
+
+		partition@140000 {
+			reg = <0x140000 0x0a0000>;
+			label = "failsafe trusted firmware";
+			read-only;
+		};
+
+		partition@1e0000 {
+			reg = <0x1e0000 0x020000>;
+			label = "reserved";
+			read-only;
+		};
+
+		partition@200000 {
+			reg = <0x200000 0x010000>;
+			label = "configuration store";
+		};
+
+		partition@210000 {
+			reg = <0x210000 0x0f0000>;
+			label = "bootloader";
+		};
+
+		partition@300000 {
+			reg = <0x300000 0x040000>;
+			label = "DP firmware";
+		};
+
+		partition@340000 {
+			reg = <0x340000 0x0a0000>;
+			label = "trusted firmware";
+		};
+
+		partition@3e0000 {
+			reg = <0x3e0000 0x020000>;
+			label = "bootloader environment";
+		};
+	};
+};
+
+&gpio1 {
+	gpio-line-names =
+		"", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "TDO", "TCK",
+		"", "", "", "", "", "", "", "";
+};
+
+&gpio2 {
+	gpio-line-names =
+		"", "", "", "", "", "", "TMS", "TDI",
+		"", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "", "";
+};
+
+&i2c0 {
+	status = "okay";
+
+	rtc@32 {
+		compatible = "microcrystal,rv8803";
+		reg = <0x32>;
+	};
+
+	eeprom@50 {
+		compatible = "atmel,24c32";
+		reg = <0x50>;
+		pagesize = <32>;
+	};
+};
+
+&i2c3 {
+	status = "okay";
+};
+
+&i2c4 {
+	status = "okay";
+};
