diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index aa21f58a4..7025ba959 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -63,6 +63,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-2024.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-h.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-plus.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-sp.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun55i-a523-teclast-p85t.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun55i-a527-cubie-a5e.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun55i-h728-x96qpro+.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun55i-t527-avaota-a1.dtb
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523-teclast-p85t.dts b/arch/arm64/boot/dts/allwinner/sun55i-a523-teclast-p85t.dts
new file mode 100644
index 000000000..38a9c98ec
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a523-teclast-p85t.dts
@@ -0,0 +1,420 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+/*
+ * Copyright (C) 2026 Mikhail Kalashnikov <iuncuim@gmail.com>
+ */
+
+/dts-v1/;
+
+#include "sun55i-a523.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	model = "Teclast P85T";
+	compatible = "teclast,p85t", "allwinner,sun55i-a523";
+	chassis-type = "tablet";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	battery: battery {
+		compatible = "simple-battery";
+		constant-charge-current-max-microamp = <800000>;
+		voltage-max-design-microvolt = <4400000>;
+		charge-full-design-microamp-hours = <5000000>;
+		energy-full-design-microwatt-hours = <19250000>;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	ext_osc32k: ext-osc32k-clk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <32768>;
+		clock-output-names = "ext_osc32k";
+	};
+
+	iio-hwmon {
+		compatible = "iio-hwmon";
+		io-channels = <&axp717_adc 3>, /* vsys_v */
+			      <&axp717_adc 4>; /* pmic_temp */
+	};
+
+	reg_vcc5v: vcc5v {
+		/* board wide 5V supply from the USB-C connector */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	reg_pio18: pio-18 {
+		compatible = "regulator-fixed";
+		regulator-name = "pio-18";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+
+	reg_vmmc1: vmmc1 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-wifi";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&reg_aldo3>;
+		gpio = <&r_pio 0 7 GPIO_ACTIVE_HIGH>;	/* PL7 */
+		enable-active-high;
+	};
+
+	wifi_pwrseq: pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&r_pio 1 1 GPIO_ACTIVE_LOW>; /* PM1 */
+		post-power-on-delay-ms = <200>;
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&gpu {
+	mali-supply = <&reg_dcdc2>;
+	status = "okay";
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+	clock-frequency = <400000>;
+	status = "okay";
+
+	touchscreen@40 {
+		compatible = "silead,gsl1680";
+		reg = <0x40>;
+		interrupt-parent = <&pio>;
+		interrupts = <7 9 IRQ_TYPE_EDGE_FALLING>; /* PH9 */
+		power-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */
+		touchscreen-size-x = <1786>;
+		touchscreen-size-y = <1128>;
+		touchscreen-inverted-y;
+		touchscreen-swapped-x-y;
+		silead,max-fingers = <5>;
+		avdd-supply = <&reg_cldo2>;
+	};
+};
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins>;
+	status = "okay";
+
+	accelerometer@26 {
+		compatible = "miramems,da280";
+		reg = <0x26>;
+		interrupt-parent = <&pio>;
+		interrupts = <7 11 IRQ_TYPE_LEVEL_LOW>; /* PH11 */
+	};
+};
+
+&mmc0 {
+	vmmc-supply = <&reg_cldo3>;
+	cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */
+	bus-width = <4>;
+	status = "okay";
+};
+
+&mmc1 {
+	vmmc-supply = <&reg_vmmc1>;
+	vqmmc-supply = <&reg_bldo1>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+
+	wifi@1 {
+		reg = <1>;
+		interrupt-parent = <&r_pio>;
+		interrupts = <1 0 IRQ_TYPE_LEVEL_LOW>; /* PM0 */
+		interrupt-names = "host-wake";
+	};
+};
+
+&mmc2 {
+	vmmc-supply = <&reg_cldo3>;
+	vqmmc-supply = <&reg_cldo1>;
+	bus-width = <8>;
+	non-removable;
+	cap-mmc-hw-reset;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&pio {
+	vcc-pc-supply = <&reg_pio18>;
+	vcc-pe-supply = <&reg_pio18>;
+	vcc-pf-supply = <&reg_pio18>;
+	vcc-pg-supply = <&reg_pio18>;
+};
+
+&r_i2c0 {
+	status = "okay";
+
+	axp717: pmic@34 {
+		compatible = "x-powers,axp717";
+		reg = <0x34>;
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		interrupt-parent = <&nmi_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+
+		vin1-supply = <&reg_vcc5v>;
+		vin2-supply = <&reg_vcc5v>;
+		vin3-supply = <&reg_vcc5v>;
+		vin4-supply = <&reg_vcc5v>;
+		aldoin-supply = <&reg_vcc5v>;
+		bldoin-supply = <&reg_vcc5v>;
+		cldoin-supply = <&reg_vcc5v>;
+
+		axp717_adc: adc {
+			compatible = "x-powers,axp717-adc";
+			#io-channel-cells = <1>;
+		};
+
+		battery-power {
+			compatible = "x-powers,axp717-battery-power-supply";
+			monitored-battery = <&battery>;
+		};
+
+		regulators {
+			/* Supplies the "little" cluster (1.0(?) GHz cores) */
+			reg_dcdc1: dcdc1 {
+				regulator-always-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1160000>;
+				regulator-name = "vdd-cpul";
+			};
+
+			reg_dcdc2: dcdc2 {
+				regulator-always-on;
+				regulator-min-microvolt = <920000>;
+				regulator-max-microvolt = <920000>;
+				regulator-name = "vdd-gpu-sys";
+			};
+
+			reg_dcdc3: dcdc3 {
+				regulator-always-on;
+				regulator-min-microvolt = <1260000>;
+				regulator-max-microvolt = <1260000>;
+				regulator-name = "vdd-dram";
+			};
+
+			reg_dcdc4: dcdc4 {
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-name = "vdd-dcdc4";
+			};
+
+			reg_aldo1: aldo1 {
+				/* camera sensor AVDD */
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-name = "avdd-csi";
+			};
+
+			reg_aldo2: aldo2 {
+				/* camera sensor IOVDD */
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "iovdd-csi";
+			};
+
+			reg_aldo3: aldo3 {
+				/* supplies the I2C pins for this PMIC and the WiFi module */
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-pl-pm";
+			};
+
+			reg_aldo4: aldo4 {
+				regulator-always-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-pll-dxco-avcc";
+			};
+
+			reg_bldo1: bldo1 {
+				/* WiFi module 1.8V */
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-wifi-1v8";
+			};
+
+			reg_bldo2: bldo2 {
+				/* WiFi module 1.8V */
+				regulator-always-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-wifi-1v8-b";
+			};
+
+			reg_bldo3: bldo3 {
+				/* camera sensor DVDD/cameravdd */
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-name = "vcc-csi";
+			};
+
+			reg_bldo4: bldo4 {
+				/* camera sensor DVDD */
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-name = "dvdd-csi";
+			};
+
+			reg_cldo1: cldo1 {
+				/* codec CPVIN, SD/eMMC 1.8V IO */
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-codec-sd";
+			};
+
+			reg_cldo2: cldo2 {
+				/* touch panel supply */
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-ctp";
+			};
+
+			reg_cldo3: cldo3 {
+				/* SD/eMMC VMMC, codec VDD, UART0, g-sensor */
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-io-mmc";
+			};
+
+			reg_cldo4: cldo4 {
+				/* LCD panel supply */
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-lcd";
+			};
+
+			reg_cpusldo: cpusldo {
+				/* supplies the management core */
+				regulator-always-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
+				regulator-name = "vdd-cpus";
+			};
+		};
+
+		usb-power {
+			compatible = "x-powers,axp717-usb-power-supply";
+			input-current-limit-microamp = <1750000>;
+		};
+	};
+
+	axp323: pmic@36 {
+		compatible = "x-powers,axp323";
+		reg = <0x36>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		interrupt-parent = <&nmi_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+
+		vin1-supply = <&reg_vcc5v>;
+		vin2-supply = <&reg_vcc5v>;
+		vin3-supply = <&reg_vcc5v>;
+
+		regulators {
+			reg_aldo1_323: aldo1 {
+				regulator-always-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-aldo1-323";
+			};
+
+			reg_dldo1_323: dldo1 {
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-dldo1-323";
+			};
+
+			/* Supplies the "big" cluster (1.8 GHz cores) */
+			reg_dcdc1_323: dcdc1 {
+				regulator-always-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1160000>;
+				regulator-name = "vdd-cpub";
+			};
+
+			/* DCDC2 is polyphased with DCDC1 */
+
+			reg_dcdc3_323: dcdc3 {
+				regulator-always-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
+				regulator-name = "vdd-dcdc3";
+			};
+		};
+	};
+};
+
+&r_pio {
+/*
+ * Specifying the supply would create a circular dependency.
+ *
+ *	vcc-pl-supply = <&reg_aldo3>;
+ */
+	vcc-pm-supply = <&reg_aldo3>;
+};
+
+&rtc {
+	clocks = <&r_ccu CLK_BUS_R_RTC>, <&osc24M>,
+		 <&r_ccu CLK_R_AHB>, <&ext_osc32k>;
+	clock-names = "bus", "hosc", "ahb", "ext-osc32k";
+	assigned-clocks = <&rtc CLK_OSC32K>;
+	assigned-clock-rates = <32768>;
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pb_pins>;
+	status = "okay";
+};
+
+&uart1 {
+	/* Bluetooth HCI, 4-wire with RTS/CTS */
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+	uart-has-rtscts;
+	status = "okay";
+};
+
+&usb_otg {
+	/*
+	 * The USB-C port is the primary power supply; VBUS control is not
+	 * wired in mainline (AXP717 has no drivevbus), so the port can only
+	 * act as a USB device powered from the host side.
+	 */
+	dr_mode = "peripheral";
+	status = "okay";
+};
+
+&usbphy {
+	usb0_vbus-supply = <&reg_vcc5v>;
+	status = "okay";
+};
