diff --git a/src/arm/qcom/qcom-msm8974pro-sony-xperia-shinano-castor.dts b/src/arm/qcom/qcom-msm8974pro-sony-xperia-shinano-castor.dts
new file mode 100644
index 0000000..11468d1
--- /dev/null
+++ b/src/arm/qcom/qcom-msm8974pro-sony-xperia-shinano-castor.dts
@@ -0,0 +1,674 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "qcom-msm8974pro.dtsi"
+#include "qcom-pm8841.dtsi"
+#include "qcom-pm8941.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+
+/ {
+	model = "Sony Xperia Z2 Tablet";
+	compatible = "sony,xperia-castor", "qcom,msm8974pro", "qcom,msm8974";
+	chassis-type = "tablet";
+
+	aliases {
+		serial0 = &blsp1_uart2;
+		serial1 = &blsp2_uart1;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&gpio_keys_pin_a>;
+
+		key-volume-down {
+			label = "volume_down";
+			gpios = <&pm8941_gpios 2 GPIO_ACTIVE_LOW>;
+			linux,input-type = <1>;
+			linux,code = <KEY_VOLUMEDOWN>;
+		};
+
+		key-camera-snapshot {
+			label = "camera_snapshot";
+			gpios = <&pm8941_gpios 3 GPIO_ACTIVE_LOW>;
+			linux,input-type = <1>;
+			linux,code = <KEY_CAMERA>;
+		};
+
+		key-camera-focus {
+			label = "camera_focus";
+			gpios = <&pm8941_gpios 4 GPIO_ACTIVE_LOW>;
+			linux,input-type = <1>;
+			linux,code = <KEY_CAMERA_FOCUS>;
+		};
+
+		key-volume-up {
+			label = "volume_up";
+			gpios = <&pm8941_gpios 5 GPIO_ACTIVE_LOW>;
+			linux,input-type = <1>;
+			linux,code = <KEY_VOLUMEUP>;
+		};
+	};
+
+	vreg_bl_vddio: lcd-backlight-vddio {
+		compatible = "regulator-fixed";
+		regulator-name = "vreg_bl_vddio";
+		regulator-min-microvolt = <3150000>;
+		regulator-max-microvolt = <3150000>;
+
+		gpio = <&tlmm 69 0>;
+		enable-active-high;
+
+		vin-supply = <&pm8941_s3>;
+		startup-delay-us = <70000>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&lcd_backlight_en_pin_a>;
+	};
+
+	vreg_vsp: lcd-dcdc-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vreg_vsp";
+		regulator-min-microvolt = <5600000>;
+		regulator-max-microvolt = <5600000>;
+
+		gpio = <&pm8941_gpios 20 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&lcd_dcdc_en_pin_a>;
+	};
+
+	vreg_wlan: wlan-regulator {
+		compatible = "regulator-fixed";
+
+		regulator-name = "wl-reg";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&pm8941_gpios 18 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&wlan_regulator_pin>;
+	};
+};
+
+&blsp1_uart2 {
+	status = "okay";
+};
+
+&blsp2_i2c2 {
+	status = "okay";
+	clock-frequency = <355000>;
+
+	synaptics@2c {
+		compatible = "syna,rmi4-i2c";
+		reg = <0x2c>;
+
+		interrupt-parent = <&tlmm>;
+		interrupts = <86 IRQ_TYPE_EDGE_FALLING>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		vdd-supply = <&pm8941_l22>;
+		vio-supply = <&pm8941_lvs3>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&ts_int_pin>;
+
+		syna,startup-delay-ms = <100>;
+
+		rmi4-f01@1 {
+			reg = <0x1>;
+			syna,nosleep-mode = <1>;
+		};
+
+		rmi4-f11@11 {
+			reg = <0x11>;
+			syna,sensor-type = <1>;
+			touchscreen-inverted-x;
+		};
+	};
+};
+
+&blsp2_i2c5 {
+	status = "okay";
+	clock-frequency = <355000>;
+
+	lp8566_wled: backlight@2c {
+		compatible = "ti,lp8556";
+		reg = <0x2c>;
+		power-supply = <&vreg_bl_vddio>;
+
+		bl-name = "backlight";
+		dev-ctrl = /bits/ 8 <0x05>;
+		init-brt = /bits/ 8 <0x3f>;
+
+		rom-a0h {
+			rom-addr = /bits/ 8 <0xa0>;
+			rom-val = /bits/ 8 <0xff>;
+		};
+		rom-a1h {
+			rom-addr = /bits/ 8 <0xa1>;
+			rom-val = /bits/ 8 <0x3f>;
+		};
+		rom-a2h {
+			rom-addr = /bits/ 8 <0xa2>;
+			rom-val = /bits/ 8 <0x20>;
+		};
+		rom-a3h {
+			rom-addr = /bits/ 8 <0xa3>;
+			rom-val = /bits/ 8 <0x5e>;
+		};
+		rom-a4h {
+			rom-addr = /bits/ 8 <0xa4>;
+			rom-val = /bits/ 8 <0x02>;
+		};
+		rom-a5h {
+			rom-addr = /bits/ 8 <0xa5>;
+			rom-val = /bits/ 8 <0x04>;
+		};
+		rom-a6h {
+			rom-addr = /bits/ 8 <0xa6>;
+			rom-val = /bits/ 8 <0x80>;
+		};
+		rom-a7h {
+			rom-addr = /bits/ 8 <0xa7>;
+			rom-val = /bits/ 8 <0xf7>;
+		};
+		rom-a9h {
+			rom-addr = /bits/ 8 <0xa9>;
+			rom-val = /bits/ 8 <0x80>;
+		};
+		rom-aah {
+			rom-addr = /bits/ 8 <0xaa>;
+			rom-val = /bits/ 8 <0x0f>;
+		};
+		rom-aeh {
+			rom-addr = /bits/ 8 <0xae>;
+			rom-val = /bits/ 8 <0x0f>;
+		};
+	};
+};
+
+&blsp2_uart1 {
+	status = "okay";
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		max-speed = <3000000>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&bt_host_wake_pin>, <&bt_dev_wake_pin>, <&bt_reg_on_pin>;
+
+		host-wakeup-gpios = <&tlmm 95 GPIO_ACTIVE_HIGH>;
+		device-wakeup-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
+		shutdown-gpios = <&pm8941_gpios 16 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&pm8941_coincell {
+	status = "okay";
+
+	qcom,rset-ohms = <2100>;
+	qcom,vset-millivolts = <3000>;
+};
+
+&pm8941_gpios {
+	gpio_keys_pin_a: gpio-keys-active-state {
+		pins = "gpio2", "gpio5";
+		function = "normal";
+
+		bias-pull-up;
+		power-source = <PM8941_GPIO_S3>;
+	};
+
+	bt_reg_on_pin: bt-reg-on-state {
+		pins = "gpio16";
+		function = "normal";
+
+		output-low;
+		power-source = <PM8941_GPIO_S3>;
+	};
+
+	wlan_sleep_clk_pin: wl-sleep-clk-state {
+		pins = "gpio17";
+		function = "func2";
+
+		output-high;
+		power-source = <PM8941_GPIO_S3>;
+	};
+
+	wlan_regulator_pin: wl-reg-active-state {
+		pins = "gpio18";
+		function = "normal";
+
+		bias-disable;
+		power-source = <PM8941_GPIO_S3>;
+	};
+
+	lcd_dcdc_en_pin_a: lcd-dcdc-en-active-state {
+		pins = "gpio20";
+		function = "normal";
+
+		bias-disable;
+		power-source = <PM8941_GPIO_S3>;
+		input-disable;
+		output-low;
+	};
+
+};
+
+&pm8941_lpg {
+	status = "okay";
+
+	qcom,power-source = <1>;
+
+	multi-led {
+		color = <LED_COLOR_ID_RGB>;
+		function = LED_FUNCTION_STATUS;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		led@5 {
+			reg = <5>;
+			color = <LED_COLOR_ID_BLUE>;
+		};
+
+		led@6 {
+			reg = <6>;
+			color = <LED_COLOR_ID_GREEN>;
+		};
+
+		led@7 {
+			reg = <7>;
+			color = <LED_COLOR_ID_RED>;
+		};
+	};
+};
+
+&remoteproc_adsp {
+	cx-supply = <&pm8841_s2>;
+};
+
+&remoteproc_mss {
+	cx-supply = <&pm8841_s2>;
+	mss-supply = <&pm8841_s3>;
+	mx-supply = <&pm8841_s1>;
+	pll-supply = <&pm8941_l12>;
+};
+
+&rpm_requests {
+	regulators-0 {
+		compatible = "qcom,rpm-pm8841-regulators";
+
+		pm8841_s1: s1 {
+			regulator-min-microvolt = <675000>;
+			regulator-max-microvolt = <1050000>;
+		};
+
+		pm8841_s2: s2 {
+			regulator-min-microvolt = <500000>;
+			regulator-max-microvolt = <1050000>;
+		};
+
+		pm8841_s3: s3 {
+			regulator-min-microvolt = <500000>;
+			regulator-max-microvolt = <1050000>;
+		};
+
+		pm8841_s4: s4 {
+			regulator-min-microvolt = <500000>;
+			regulator-max-microvolt = <1050000>;
+		};
+	};
+
+	regulators-1 {
+		compatible = "qcom,rpm-pm8941-regulators";
+
+		vdd_l1_l3-supply = <&pm8941_s1>;
+		vdd_l2_lvs1_2_3-supply = <&pm8941_s3>;
+		vdd_l4_l11-supply = <&pm8941_s1>;
+		vdd_l5_l7-supply = <&pm8941_s2>;
+		vdd_l6_l12_l14_l15-supply = <&pm8941_s2>;
+		vdd_l9_l10_l17_l22-supply = <&vreg_boost>;
+		vdd_l13_l20_l23_l24-supply = <&vreg_boost>;
+		vdd_l21-supply = <&vreg_boost>;
+
+		pm8941_s1: s1 {
+			regulator-min-microvolt = <1300000>;
+			regulator-max-microvolt = <1300000>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+
+		pm8941_s2: s2 {
+			regulator-min-microvolt = <2150000>;
+			regulator-max-microvolt = <2150000>;
+			regulator-boot-on;
+		};
+
+		pm8941_s3: s3 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-system-load = <154000>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+
+		pm8941_s4: s4 {
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+		};
+
+		pm8941_l1: l1 {
+			regulator-min-microvolt = <1225000>;
+			regulator-max-microvolt = <1225000>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+
+		pm8941_l2: l2 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+		};
+
+		pm8941_l3: l3 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+		};
+
+		pm8941_l4: l4 {
+			regulator-min-microvolt = <1225000>;
+			regulator-max-microvolt = <1225000>;
+		};
+
+		pm8941_l5: l5 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+		};
+
+		pm8941_l6: l6 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-boot-on;
+		};
+
+		pm8941_l7: l7 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-boot-on;
+		};
+
+		pm8941_l8: l8 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+		};
+
+		pm8941_l9: l9 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2950000>;
+		};
+
+		pm8941_l11: l11 {
+			regulator-min-microvolt = <1300000>;
+			regulator-max-microvolt = <1350000>;
+		};
+
+		pm8941_l12: l12 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+
+		pm8941_l13: l13 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2950000>;
+			regulator-boot-on;
+		};
+
+		pm8941_l14: l14 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+		};
+
+		pm8941_l15: l15 {
+			regulator-min-microvolt = <2050000>;
+			regulator-max-microvolt = <2050000>;
+		};
+
+		pm8941_l16: l16 {
+			regulator-min-microvolt = <2700000>;
+			regulator-max-microvolt = <2700000>;
+		};
+
+		pm8941_l17: l17 {
+			regulator-min-microvolt = <2700000>;
+			regulator-max-microvolt = <2700000>;
+		};
+
+		pm8941_l18: l18 {
+			regulator-min-microvolt = <2850000>;
+			regulator-max-microvolt = <2850000>;
+		};
+
+		pm8941_l19: l19 {
+			regulator-min-microvolt = <2850000>;
+			regulator-max-microvolt = <2850000>;
+		};
+
+		pm8941_l20: l20 {
+			regulator-min-microvolt = <2950000>;
+			regulator-max-microvolt = <2950000>;
+			regulator-system-load = <500000>;
+			regulator-allow-set-load;
+			regulator-boot-on;
+		};
+
+		pm8941_l21: l21 {
+			regulator-min-microvolt = <2950000>;
+			regulator-max-microvolt = <2950000>;
+			regulator-boot-on;
+		};
+
+		pm8941_l22: l22 {
+			regulator-min-microvolt = <3000000>;
+			regulator-max-microvolt = <3000000>;
+		};
+
+		pm8941_l23: l23 {
+			regulator-min-microvolt = <2800000>;
+			regulator-max-microvolt = <2800000>;
+		};
+
+		pm8941_l24: l24 {
+			regulator-min-microvolt = <3075000>;
+			regulator-max-microvolt = <3075000>;
+			regulator-boot-on;
+		};
+
+		pm8941_lvs3: lvs3 {};
+	};
+};
+
+&sdhc_1 {
+	status = "okay";
+
+	vmmc-supply = <&pm8941_l20>;
+	vqmmc-supply = <&pm8941_s3>;
+
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&sdc1_on>;
+	pinctrl-1 = <&sdc1_off>;
+};
+
+&sdhc_2 {
+	status = "okay";
+
+	vmmc-supply = <&pm8941_l21>;
+	vqmmc-supply = <&pm8941_l13>;
+
+	cd-gpios = <&tlmm 62 GPIO_ACTIVE_LOW>;
+
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&sdc2_on>;
+	pinctrl-1 = <&sdc2_off>;
+};
+
+&sdhc_3 {
+	status = "okay";
+
+	max-frequency = <100000000>;
+	vmmc-supply = <&vreg_wlan>;
+	non-removable;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdc3_on>;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	bcrmf@1 {
+		compatible = "brcm,bcm4339-fmac", "brcm,bcm4329-fmac";
+		reg = <1>;
+
+		brcm,drive-strength = <10>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&wlan_sleep_clk_pin>;
+	};
+};
+
+&smbb {
+	qcom,fast-charge-safe-current = <1500000>;
+	qcom,fast-charge-current-limit = <1500000>;
+	qcom,dc-current-limit = <1800000>;
+	usb-charge-current-limit = <1800000>;
+	qcom,fast-charge-safe-voltage = <4400000>;
+	qcom,fast-charge-high-threshold-voltage = <4350000>;
+	qcom,fast-charge-low-threshold-voltage = <3400000>;
+	qcom,auto-recharge-threshold-voltage = <4200000>;
+	qcom,minimum-input-voltage = <4300000>;
+};
+
+&tlmm {
+	lcd_backlight_en_pin_a: lcd-backlight-vddio-state {
+		pins = "gpio69";
+		function = "gpio";
+		drive-strength = <10>;
+		output-low;
+		bias-disable;
+	};
+
+	sdc1_on: sdc1-on-state {
+		clk-pins {
+			pins = "sdc1_clk";
+			drive-strength = <16>;
+			bias-disable;
+		};
+
+		cmd-data-pins {
+			pins = "sdc1_cmd", "sdc1_data";
+			drive-strength = <10>;
+			bias-pull-up;
+		};
+	};
+
+	sdc2_on: sdc2-on-state {
+		clk-pins {
+			pins = "sdc2_clk";
+			drive-strength = <6>;
+			bias-disable;
+		};
+
+		cmd-data-pins {
+			pins = "sdc2_cmd", "sdc2_data";
+			drive-strength = <6>;
+			bias-pull-up;
+		};
+
+		cd-pins {
+			pins = "gpio62";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	sdc3_on: sdc3-on-state {
+		clk-pins {
+			pins = "gpio40";
+			function = "sdc3";
+			drive-strength = <10>;
+			bias-disable;
+		};
+
+		cmd-pins {
+			pins = "gpio39";
+			function = "sdc3";
+			drive-strength = <10>;
+			bias-pull-up;
+		};
+
+		data-pins {
+			pins = "gpio35", "gpio36", "gpio37", "gpio38";
+			function = "sdc3";
+			drive-strength = <10>;
+			bias-pull-up;
+		};
+	};
+
+	ts_int_pin: ts-int-pin-state {
+		pins = "gpio86";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	bt_host_wake_pin: bt-host-wake-state {
+		pins = "gpio95";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+		output-low;
+	};
+
+	bt_dev_wake_pin: bt-dev-wake-state {
+		pins = "gpio96";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+};
+
+&usb {
+	status = "okay";
+
+	phys = <&usb_hs1_phy>;
+	phy-select = <&tcsr 0xb000 0>;
+	extcon = <&smbb>, <&usb_id>;
+	vbus-supply = <&chg_otg>;
+
+	hnp-disable;
+	srp-disable;
+	adp-disable;
+};
+
+&usb_hs1_phy {
+	status = "okay";
+
+	v1p8-supply = <&pm8941_l6>;
+	v3p3-supply = <&pm8941_l24>;
+
+	extcon = <&smbb>;
+	qcom,init-seq = /bits/ 8 <0x1 0x64>;
+};