diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 01773f3ce57f..157ef6958e1f 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -126,3 +126,4 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sm8350-sony-xperia-sagami-pdx214.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8350-sony-xperia-sagami-pdx215.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-hdk.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-qrd.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-sony-xperia-nagara-pdx223.dtb
diff --git a/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx223.dts b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx223.dts
new file mode 100644
index 000000000000..7fe582b92a61
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx223.dts
@@ -0,0 +1,634 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2022, Konrad Dybcio <konrad.dybcio@somainline.org>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+#include "sm8450.dtsi"
+
+/delete-node/ &adsp_mem;
+/delete-node/ &rmtfs_mem;
+/delete-node/ &video_mem;
+
+/ {
+	model = "Sony Xperia 1 IV";
+	compatible = "sony,pdx223", "qcom,sm8450";
+	chassis-type = "handset";
+
+	aliases {
+		serial0 = &uart7;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	reserved-memory {
+		adsp_mem: memory@85700000 {
+			reg = <0x0 0x85700000 0x0 0x2800000>;
+			no-map;
+		};
+
+		video_mem: memory@9fd00000 {
+			reg = <0x0 0x9fd00000 0x0 0x700000>;
+			no-map;
+		};
+
+		rmtfs_mem: memory@f3300000 {
+			compatible = "qcom,rmtfs-mem";
+			reg = <0x0 0xf3300000 0x0 0x280000>;
+			no-map;
+
+			qcom,client-id = <1>;
+			qcom,vmid = <15>;
+		};
+
+		ramoops@ffc00000 {
+			compatible = "ramoops";
+			reg = <0 0xffc00000 0 0x200000>;
+			console-size = <0x40000>;
+			record-size = <0x1000>;
+			ecc-size = <16>;
+			no-map;
+		};
+	};
+
+	/* Sadly, the voltages for these GPIO regulators are unknown. */
+	imx650_vana_vreg: imx650-vana-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "imx650_vana_vreg";
+		gpio = <&tlmm 23 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	vph_pwr: vph-pwr-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vph_pwr";
+		regulator-min-microvolt = <3700000>;
+		regulator-max-microvolt = <3700000>;
+
+		regulator-always-on;
+		regulator-boot-on;
+	};
+};
+
+&apps_rsc {
+	pm8350-rpmh-regulators {
+		compatible = "qcom,pm8350-rpmh-regulators";
+		qcom,pmic-id = "b";
+
+		vdd-s1-supply = <&vph_pwr>;
+		vdd-s2-supply = <&vph_pwr>;
+		vdd-s3-supply = <&vph_pwr>;
+		vdd-s4-supply = <&vph_pwr>;
+		vdd-s5-supply = <&vph_pwr>;
+		vdd-s6-supply = <&vph_pwr>;
+		vdd-s7-supply = <&vph_pwr>;
+		vdd-s8-supply = <&vph_pwr>;
+		vdd-s9-supply = <&vph_pwr>;
+		vdd-s10-supply = <&vph_pwr>;
+		vdd-s11-supply = <&vph_pwr>;
+		vdd-s12-supply = <&vph_pwr>;
+
+		vdd-l1-l4-supply = <&pm8350_s11>;
+		vdd-l2-l7-supply = <&vreg_bob>;
+		vdd-l3-l5-supply = <&vreg_bob>;
+		vdd-l6-l9-l10-supply = <&pm8350_s12>;
+
+		/*
+		 * ARC regulators:
+		 * s5 - gfx.lvl
+		 * l8 - lcx.lvl
+		 */
+
+		pm8350_s10: smps10 {
+			regulator-name = "pm8350_s10";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+		};
+
+		pm8350_s11: smps11 {
+			regulator-name = "pm8350_s11";
+			regulator-min-microvolt = <848000>;
+			regulator-max-microvolt = <1104000>;
+		};
+
+		pm8350_s12: smps12 {
+			regulator-name = "pm8350_s12";
+			regulator-min-microvolt = <1224000>;
+			regulator-max-microvolt = <1400000>;
+		};
+
+		pm8350_l1: ldo1 {
+			regulator-name = "pm8350_l1";
+			regulator-min-microvolt = <912000>;
+			regulator-max-microvolt = <920000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350_l2: ldo2 {
+			regulator-name = "pm8350_l2";
+			regulator-min-microvolt = <3072000>;
+			regulator-max-microvolt = <3072000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350_l3: ldo3 {
+			regulator-name = "pm8350_l3";
+			regulator-min-microvolt = <904000>;
+			regulator-max-microvolt = <904000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350_l5: ldo5 {
+			regulator-name = "pm8350_l5";
+			regulator-min-microvolt = <880000>;
+			regulator-max-microvolt = <912000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350_l6: ldo6 {
+			regulator-name = "pm8350_l6";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350_l7: ldo7 {
+			regulator-name = "pm8350_l7";
+			regulator-min-microvolt = <2504000>;
+			regulator-max-microvolt = <2504000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350_l9: ldo9 {
+			regulator-name = "pm8350_l9";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	pm8350c-rpmh-regulators {
+		compatible = "qcom,pm8350c-rpmh-regulators";
+		qcom,pmic-id = "c";
+
+		vdd-s1-supply = <&vph_pwr>;
+		vdd-s2-supply = <&vph_pwr>;
+		vdd-s3-supply = <&vph_pwr>;
+		vdd-s4-supply = <&vph_pwr>;
+		vdd-s5-supply = <&vph_pwr>;
+		vdd-s6-supply = <&vph_pwr>;
+		vdd-s7-supply = <&vph_pwr>;
+		vdd-s8-supply = <&vph_pwr>;
+		vdd-s9-supply = <&vph_pwr>;
+		vdd-s10-supply = <&vph_pwr>;
+
+		vdd-l1-l12-supply = <&vreg_bob>;
+		vdd-l2-l8-supply = <&vreg_bob>;
+		vdd-l3-l4-l5-l7-l13-supply = <&vreg_bob>;
+		vdd-l6-l9-l11-supply = <&vreg_bob>;
+		vdd-l10-supply = <&pm8350_s12>;
+
+		vdd-bob-supply = <&vph_pwr>;
+
+		/*
+		 * ARC regulators:
+		 * s2 - mxc.lvl
+		 * s4 - mss.lvl
+		 * s6 - cx.lvl
+		 */
+
+		pm8350c_s1: smps1 {
+			regulator-name = "pm8350c_s1";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2024000>;
+		};
+
+		pm8350c_s10: smps10 {
+			regulator-name = "pm8350c_s10";
+			regulator-min-microvolt = <1000000>;
+			regulator-max-microvolt = <1100000>;
+		};
+
+		vreg_bob: bob {
+			regulator-name = "vreg_bob";
+			regulator-min-microvolt = <3400000>;
+			regulator-max-microvolt = <3960000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>;
+		};
+
+		pm8350c_l1: ldo1 {
+			regulator-name = "pm8350c_l1";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350c_l2: ldo2 {
+			regulator-name = "pm8350c_l2";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350c_l3: ldo3 {
+			regulator-name = "pm8350c_l3";
+			regulator-min-microvolt = <3296000>;
+			regulator-max-microvolt = <3304000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350c_l4: ldo4 {
+			regulator-name = "pm8350c_l4";
+			regulator-min-microvolt = <1704000>;
+			regulator-max-microvolt = <3000000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350c_l5: ldo5 {
+			regulator-name = "pm8350c_l5";
+			regulator-min-microvolt = <1704000>;
+			regulator-max-microvolt = <3000000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350c_l6: ldo6 {
+			regulator-name = "pm8350c_l6";
+			regulator-min-microvolt = <2960000>;
+			/* Originally max = 3008000 but SDHCI expects 2960000 */
+			regulator-max-microvolt = <2960000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350c_l7: ldo7 {
+			regulator-name = "pm8350c_l7";
+			regulator-min-microvolt = <3008000>;
+			regulator-max-microvolt = <3008000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350c_l8: ldo8 {
+			regulator-name = "pm8350c_l8";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350c_l9: ldo9 {
+			regulator-name = "pm8350c_l9";
+			regulator-min-microvolt = <2960000>;
+			/* Originally max = 3008000 but SDHCI expects 2960000 */
+			regulator-max-microvolt = <2960000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350c_l10: ldo10 {
+			regulator-name = "pm8350c_l10";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350c_l12: ldo12 {
+			regulator-name = "pm8350c_l12";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1968000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8350c_l13: ldo13 {
+			regulator-name = "pm8350c_l13";
+			regulator-min-microvolt = <3000000>;
+			regulator-max-microvolt = <3000000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	pm8450-rpmh-regulators {
+		compatible = "qcom,pm8450-rpmh-regulators";
+		qcom,pmic-id = "h";
+
+		vdd-s1-supply = <&vph_pwr>;
+		vdd-s2-supply = <&vph_pwr>;
+		vdd-s3-supply = <&vph_pwr>;
+		vdd-s4-supply = <&vph_pwr>;
+		vdd-s5-supply = <&vph_pwr>;
+		vdd-s6-supply = <&vph_pwr>;
+
+		vdd-l2-supply = <&vreg_bob>;
+		vdd-l3-supply = <&vreg_bob>;
+		vdd-l4-supply = <&vreg_bob>;
+
+		/*
+		 * ARC regulators:
+		 * S2 - ebi.lvl
+		 * S4 - mmcx.lvl
+		 * S6 - mx.lvl
+		 * L1 - lmx.lvl
+		 */
+
+		pm8450_s3: smps3 {
+			regulator-name = "pm8450_s3";
+			regulator-min-microvolt = <500000>;
+			regulator-max-microvolt = <600000>;
+		};
+
+		pm8450_l2: ldo2 {
+			regulator-name = "pm8450_l2";
+			regulator-min-microvolt = <880000>;
+			regulator-max-microvolt = <912000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		pm8450_l3: ldo3 {
+			regulator-name = "pm8450_l3";
+			regulator-min-microvolt = <912000>;
+			regulator-max-microvolt = <912000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+	};
+
+	pmr735a-rpmh-regulators {
+		compatible = "qcom,pmr735a-rpmh-regulators";
+		qcom,pmic-id = "e";
+
+		vdd-s1-supply = <&vph_pwr>;
+		vdd-s2-supply = <&vph_pwr>;
+		vdd-s3-supply = <&vph_pwr>;
+
+		vdd-l1-l2-supply = <&pmr735a_s2>;
+		vdd-l3-supply = <&pmr735a_s1>;
+		vdd-l4-supply = <&pm8350c_s1>;
+		vdd-l5-l6-supply = <&pm8350c_s1>;
+		vdd-l7-bob-supply = <&vreg_bob>;
+
+		pmr735a_s1: smps1 {
+			regulator-name = "pmr735a_s1";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1296000>;
+		};
+
+		pmr735a_s2: smps2 {
+			regulator-name = "pmr735a_s2";
+			regulator-min-microvolt = <500000>;
+			regulator-max-microvolt = <1040000>;
+		};
+
+		pmr735a_s3: smps3 {
+			regulator-name = "pmr735a_s3";
+			regulator-min-microvolt = <435000>;
+			regulator-max-microvolt = <2352000>;
+		};
+
+		pmr735a_l1: ldo1 {
+			regulator-name = "pmr735a_l1";
+			regulator-min-microvolt = <800000>;
+			regulator-max-microvolt = <800000>;
+		};
+
+		pmr735a_l2: ldo2 {
+			regulator-name = "pmr735a_l2";
+			regulator-min-microvolt = <480000>;
+			regulator-max-microvolt = <912000>;
+		};
+
+		pmr735a_l3: ldo3 {
+			regulator-name = "pmr735a_l3";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+		};
+
+		pmr735a_l4: ldo4 {
+			regulator-name = "pmr735a_l4";
+			regulator-min-microvolt = <1776000>;
+			regulator-max-microvolt = <1776000>;
+		};
+
+		pmr735a_l5: ldo5 {
+			regulator-name = "pmr735a_l5";
+			regulator-min-microvolt = <880000>;
+			regulator-max-microvolt = <880000>;
+		};
+
+		pmr735a_l6: ldo6 {
+			regulator-name = "pmr735a_l6";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+		};
+
+		pmr735a_l7: ldo7 {
+			regulator-name = "pmr735a_l7";
+			regulator-min-microvolt = <2800000>;
+			regulator-max-microvolt = <2800000>;
+		};
+	};
+};
+
+&gpi_dma0 {
+	status = "okay";
+};
+
+&gpi_dma1 {
+	status = "okay";
+};
+
+&gpi_dma2 {
+	status = "okay";
+};
+
+/* I2C4 is used, it hosts a Samsung touchscreen, but GPI DMA is broken.. */
+
+&i2c5 {
+	clock-frequency = <400000>;
+	status = "okay";
+
+	/* Dialog SLG51000 CMIC @ 75 */
+};
+
+&i2c9 {
+	clock-frequency = <400000>;
+	status = "okay";
+
+	/* NXP SN1X0 NFC @ 28 */
+};
+
+&i2c13 {
+	clock-frequency = <400000>;
+	status = "okay";
+
+	/* Richwave RTC6226 FM Radio Receiver @ 64 */
+};
+
+&i2c14 {
+	clock-frequency = <1000000>;
+	status = "okay";
+
+	cs35l41_l: speaker-amp@40 {
+		compatible = "cirrus,cs35l41";
+		reg = <0x40>;
+		interrupt-parent = <&tlmm>;
+		interrupts = <182 IRQ_TYPE_LEVEL_LOW>;
+		reset-gpios = <&tlmm 183 GPIO_ACTIVE_HIGH>;
+		cirrus,boost-peak-milliamp = <4000>;
+		cirrus,boost-ind-nanohenry = <1000>;
+		cirrus,boost-cap-microfarad = <15>;
+		cirrus,gpio2-src-select = <2>;
+		cirrus,gpio2-output-enable;
+		cirrus,asp-sdout-hiz = <3>;
+		#sound-dai-cells = <1>;
+	};
+
+	cs35l41_r: speaker-amp@41 {
+		compatible = "cirrus,cs35l41";
+		reg = <0x41>;
+		interrupt-parent = <&tlmm>;
+		interrupts = <182 IRQ_TYPE_LEVEL_LOW>;
+		reset-gpios = <&tlmm 183 GPIO_ACTIVE_HIGH>;
+		cirrus,boost-peak-milliamp = <4000>;
+		cirrus,boost-ind-nanohenry = <1000>;
+		cirrus,boost-cap-microfarad = <15>;
+		cirrus,gpio2-src-select = <2>;
+		cirrus,gpio2-output-enable;
+		cirrus,asp-sdout-hiz = <3>;
+		#sound-dai-cells = <1>;
+	};
+};
+
+&i2c15 {
+	clock-frequency = <400000>;
+	status = "okay";
+
+	/* AMS TCS3490 RGB+IR color sensor @ 72 */
+};
+
+&i2c19 {
+	clock-frequency = <1000000>;
+	status = "okay";
+
+	/* Cirrus Logic CS40L25A boosted haptics driver @ 40 */
+};
+
+&pcie0 {
+	max-link-speed = <2>;
+	status = "okay";
+};
+
+&pcie0_phy {
+	vdda-phy-supply = <&pm8350_l5>;
+	vdda-pll-supply = <&pm8350_l6>;
+	status = "okay";
+};
+
+&remoteproc_adsp {
+	firmware-name = "qcom/adsp.mbn";
+	status = "okay";
+};
+
+&remoteproc_cdsp {
+	firmware-name = "qcom/cdsp.mbn";
+	status = "okay";
+};
+
+&remoteproc_slpi {
+	firmware-name = "qcom/slpi.mbn";
+	status = "okay";
+};
+
+&qupv3_id_0 {
+	status = "okay";
+};
+
+&qupv3_id_1 {
+	status = "okay";
+};
+
+&qupv3_id_2 {
+	status = "okay";
+};
+
+&sdhc_2 {
+	cd-gpios = <&tlmm 92 GPIO_ACTIVE_HIGH>;
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&sdc2_default_state &sdc2_card_det_n>;
+	pinctrl-1 = <&sdc2_sleep_state &sdc2_card_det_n>;
+	vmmc-supply = <&pm8350c_l9>;
+	vqmmc-supply = <&pm8350c_l6>;
+	/* Forbid SDR104/SDR50 - broken hw! */
+	sdhci-caps-mask = <0x3 0x0>;
+	no-sdio;
+	no-mmc;
+	status = "okay";
+};
+
+&spi10 {
+	status = "okay";
+
+	/* NXP SN1X0 NFC Secure Element @ 0 */
+};
+
+&tlmm {
+	gpio-reserved-ranges = <28 4>;
+
+	sdc2_default_state: sdc2-default {
+		clk {
+			pins = "sdc2_clk";
+			drive-strength = <16>;
+			bias-disable;
+		};
+
+		cmd {
+			pins = "sdc2_cmd";
+			drive-strength = <16>;
+			bias-pull-up;
+		};
+
+		data {
+			pins = "sdc2_data";
+			drive-strength = <16>;
+			bias-pull-up;
+		};
+	};
+
+	ts_int_default: ts-int-default {
+		pins = "gpio23";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+		input-enable;
+	};
+
+	sdc2_card_det_n: sd-card-det-n {
+		pins = "gpio92";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+};
+
+&uart7 {
+	status = "okay";
+};
+
+&usb_1 {
+	status = "okay";
+};
+
+&usb_1_dwc3 {
+	dr_mode = "peripheral";
+};
+
+&usb_1_hsphy {
+	vdda-pll-supply = <&pm8350_l5>;
+	vdda18-supply = <&pm8350c_l1>;
+	vdda33-supply = <&pm8350_l2>;
+	status = "okay";
+};
+
+&usb_1_qmpphy {
+	vdda-phy-supply = <&pm8350_l6>;
+	vdda-pll-supply = <&pm8350_l1>;
+	status = "okay";
+};
