ARM: dts: qcom: Add support for Huawei Watch

Add support for this smartwatch, based on Snapdragon 400 SoC.

Currently supported functionality:
* Internal storage
* USB
* Charger
* Power button
* Bluetooth
* Wifi
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220924152937.4076-2-luca@z3ntu.xyz

arch/arm/boot/dts/Makefile

@@ -1029,6 +1029,7 @@ dtb-$(CONFIG_ARCH_OXNAS) += \
 dtb-$(CONFIG_ARCH_QCOM) += \
 	qcom-apq8016-sbc.dtb \
 	qcom-apq8026-asus-sparrow.dtb \
+	qcom-apq8026-huawei-sturgeon.dtb \
 	qcom-apq8026-lg-lenok.dtb \
 	qcom-apq8026-samsung-matisse-wifi.dtb \
 	qcom-apq8060-dragonboard.dtb \

arch/arm/boot/dts/qcom-apq8026-huawei-sturgeon.dts

+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2022, Luca Weiss <luca@z3ntu.xyz>
+ */
+
+/dts-v1/;
+
+#include "qcom-msm8226.dtsi"
+#include "qcom-pm8226.dtsi"
+
+/delete-node/ &adsp_region;
+
+/ {
+	model = "Huawei Watch";
+	compatible = "huawei,sturgeon", "qcom,apq8026";
+	chassis-type = "watch";
+	qcom,msm-id = <199 0x20000>;
+	qcom,board-id = <8 4>;
+
+	reserved-memory {
+		sbl_region: sbl@2f00000 {
+			reg = <0x02f00000 0x100000>;
+			no-map;
+		};
+
+		external_image_region: external-image@3100000 {
+			reg = <0x3100000 0x200000>;
+			no-map;
+		};
+
+		peripheral_region: peripheral@3300000 {
+			reg = <0x3300000 0x600000>;
+			no-map;
+		};
+
+		adsp_region: adsp@3900000 {
+			reg = <0x3900000 0x1400000>;
+			no-map;
+		};
+
+		modem_region: modem@4d00000 {
+			reg = <0x4d00000 0x1b00000>;
+			no-map;
+		};
+
+		modem_efs_region: modem-efs@7f00000 {
+			reg = <0x7f00000 0x100000>;
+			no-map;
+		};
+	};
+
+	vreg_wlan: wlan-regulator {
+		compatible = "regulator-fixed";
+
+		regulator-name = "wl-reg";
+		regulator-min-microvolt = <2950000>;
+		regulator-max-microvolt = <2950000>;
+
+		gpio = <&tlmm 110 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&wlan_regulator_default_state>;
+	};
+};
+
+&adsp {
+	status = "okay";
+};
+
+&blsp1_i2c5 {
+	clock-frequency = <384000>;
+
+	status = "okay";
+
+	touchscreen@20 {
+		compatible = "syna,rmi4-i2c";
+		reg = <0x20>;
+
+		interrupts-extended = <&tlmm 17 IRQ_TYPE_EDGE_FALLING>;
+		vdd-supply = <&pm8226_l19>;
+		vio-supply = <&pm8226_lvs1>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&touch_default_state>;
+
+		syna,startup-delay-ms = <160>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		rmi4-f01@1 {
+			reg = <0x1>;
+			syna,nosleep-mode = <1>;
+		};
+
+		rmi4-f12@12 {
+			reg = <0x12>;
+			syna,sensor-type = <1>;
+		};
+	};
+};
+
+&blsp1_uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&blsp1_uart4_default_state>;
+
+	status = "okay";
+
+	bluetooth {
+		compatible = "brcm,bcm43430a0-bt";
+		max-speed = <3000000>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&bluetooth_default_state>;
+
+		host-wakeup-gpios = <&tlmm 64 GPIO_ACTIVE_HIGH>;
+		device-wakeup-gpios = <&tlmm 63 GPIO_ACTIVE_HIGH>;
+		shutdown-gpios = <&tlmm 67 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&rpm_requests {
+	regulators {
+		compatible = "qcom,rpm-pm8226-regulators";
+
+		pm8226_s3: s3 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1300000>;
+		};
+
+		pm8226_s4: s4 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2200000>;
+		};
+
+		pm8226_s5: s5 {
+			regulator-min-microvolt = <1150000>;
+			regulator-max-microvolt = <1150000>;
+		};
+
+		pm8226_l1: l1 {
+			regulator-min-microvolt = <1225000>;
+			regulator-max-microvolt = <1225000>;
+		};
+
+		pm8226_l2: l2 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+		};
+
+		pm8226_l3: l3 {
+			regulator-min-microvolt = <750000>;
+			regulator-max-microvolt = <1337500>;
+		};
+
+		pm8226_l4: l4 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+		};
+
+		pm8226_l5: l5 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+		};
+
+		pm8226_l6: l6 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+		};
+
+		pm8226_l7: l7 {
+			regulator-min-microvolt = <1850000>;
+			regulator-max-microvolt = <1850000>;
+		};
+
+		pm8226_l8: l8 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+		};
+
+		pm8226_l9: l9 {
+			regulator-min-microvolt = <2050000>;
+			regulator-max-microvolt = <2050000>;
+		};
+
+		pm8226_l10: l10 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+		};
+
+		pm8226_l12: l12 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+		};
+
+		pm8226_l14: l14 {
+			regulator-min-microvolt = <2750000>;
+			regulator-max-microvolt = <2750000>;
+		};
+
+		pm8226_l15: l15 {
+			regulator-min-microvolt = <2800000>;
+			regulator-max-microvolt = <2800000>;
+		};
+
+		pm8226_l16: l16 {
+			regulator-min-microvolt = <3000000>;
+			regulator-max-microvolt = <3350000>;
+		};
+
+		pm8226_l17: l17 {
+			regulator-min-microvolt = <2950000>;
+			regulator-max-microvolt = <2950000>;
+		};
+
+		pm8226_l18: l18 {
+			regulator-min-microvolt = <2950000>;
+			regulator-max-microvolt = <2950000>;
+		};
+
+		pm8226_l19: l19 {
+			regulator-min-microvolt = <2850000>;
+			regulator-max-microvolt = <2850000>;
+		};
+
+		pm8226_l20: l20 {
+			regulator-min-microvolt = <3075000>;
+			regulator-max-microvolt = <3075000>;
+		};
+
+		pm8226_l21: l21 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2950000>;
+		};
+
+		pm8226_l22: l22 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2950000>;
+		};
+
+		pm8226_l23: l23 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2950000>;
+		};
+
+		pm8226_l24: l24 {
+			regulator-min-microvolt = <1300000>;
+			regulator-max-microvolt = <1350000>;
+		};
+
+		pm8226_l25: l25 {
+			regulator-min-microvolt = <1775000>;
+			regulator-max-microvolt = <2125000>;
+		};
+
+		pm8226_l26: l26 {
+			regulator-min-microvolt = <1225000>;
+			regulator-max-microvolt = <1225000>;
+		};
+
+		pm8226_l27: l27 {
+			regulator-min-microvolt = <2050000>;
+			regulator-max-microvolt = <2050000>;
+		};
+
+		pm8226_l28: l28 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2950000>;
+		};
+
+		pm8226_lvs1: lvs1 {};
+	};
+};
+
+&sdhc_1 {
+	vmmc-supply = <&pm8226_l17>;
+	vqmmc-supply = <&pm8226_l6>;
+
+	bus-width = <8>;
+	non-removable;
+
+	status = "okay";
+};
+
+&sdhc_3 {
+	max-frequency = <100000000>;
+	non-removable;
+
+	vmmc-supply = <&vreg_wlan>;
+	vqmmc-supply = <&pm8226_l6>;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	status = "okay";
+
+	wifi@1 {
+		compatible = "brcm,bcm43430a0-fmac", "brcm,bcm4329-fmac";
+		reg = <1>;
+
+		interrupts-extended = <&tlmm 66 IRQ_TYPE_EDGE_FALLING>;
+		interrupt-names = "host-wake";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&wlan_hostwake_default_state>;
+	};
+};
+
+&smbb {
+	qcom,fast-charge-safe-voltage = <4370000>;
+	qcom,fast-charge-high-threshold-voltage = <4350000>;
+	qcom,minimum-input-voltage = <4350000>;
+	qcom,fast-charge-current-limit = <300000>;
+	qcom,fast-charge-safe-current = <600000>;
+	qcom,auto-recharge-threshold-voltage = <4240000>;
+};
+
+&tlmm {
+	blsp1_uart4_default_state: blsp1-uart4-default-state {
+		pins = "gpio12", "gpio13", "gpio14", "gpio15";
+		function = "blsp_uart4";
+		drive-strength = <8>;
+		bias-disable;
+	};
+
+	bluetooth_default_state: bluetooth-default-state {
+		pins = "gpio63", "gpio64";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
+	touch_default_state: touch-default-state {
+		irq-pins {
+			pins = "gpio17";
+			function = "gpio";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+
+		reset-pins {
+			pins = "gpio16";
+			function = "gpio";
+			drive-strength = <6>;
+			bias-pull-up;
+		};
+	};
+
+	wlan_hostwake_default_state: wlan-hostwake-default-state {
+		pins = "gpio66";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+		input-enable;
+	};
+
+	wlan_regulator_default_state: wlan-regulator-default-state {
+		pins = "gpio110";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+};
+
+&usb {
+	extcon = <&smbb>;
+	dr_mode = "peripheral";
+	status = "okay";
+};
+
+&usb_hs_phy {
+	extcon = <&smbb>;
+	v1p8-supply = <&pm8226_l10>;
+	v3p3-supply = <&pm8226_l20>;
+};