ARM: dts: qcom: Add support for LG G Watch R

Add a device tree for the LG G Watch R smartwatch, manufactured by LG
Electronics and based on the msm8226 platform (apq8026).

Currently UART, internal storage, power button and touchscreen are
supported.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
[bjorn: Moved "rpm_requests" before "sdhc", to keep things sorted]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210911232707.259615-9-luca@z3ntu.xyz

arch/arm/boot/dts/Makefile

@@ -939,6 +939,7 @@ dtb-$(CONFIG_ARCH_OXNAS) += \
 	ox810se-wd-mbwe.dtb \
 	ox820-cloudengines-pogoplug-series-3.dtb
 dtb-$(CONFIG_ARCH_QCOM) += \
+	qcom-apq8026-lge-lenok.dtb \
 	qcom-apq8060-dragonboard.dtb \
 	qcom-apq8064-cm-qs600.dtb \
 	qcom-apq8064-ifc6410.dtb \

arch/arm/boot/dts/qcom-apq8026-lge-lenok.dts

+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2021, Luca Weiss <luca@z3ntu.xyz>
+ */
+
+/dts-v1/;
+
+#include "qcom-msm8226.dtsi"
+#include "qcom-pm8226.dtsi"
+
+/ {
+	model = "LG G Watch R";
+	compatible = "lge,lenok", "qcom,apq8026";
+	qcom,board-id = <132 0x0a>;
+	qcom,msm-id = <199 0x20000>;
+
+	aliases {
+		serial0 = &blsp1_uart3;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&blsp1_i2c5 {
+	status = "okay";
+	clock-frequency = <384000>;
+
+	touchscreen@20 {
+		compatible = "syna,rmi4-i2c";
+		reg = <0x20>;
+
+		interrupts-extended = <&tlmm 17 IRQ_TYPE_EDGE_FALLING>;
+		vdd-supply = <&pm8226_l15>;
+		vio-supply = <&pm8226_l22>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&touch_pins>;
+
+		#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_uart3 {
+	status = "okay";
+};
+
+&rpm_requests {
+	pm8226-regulators {
+		compatible = "qcom,rpm-pm8226-regulators";
+
+		pm8226_s1: s1 {
+			regulator-min-microvolt = <500000>;
+			regulator-max-microvolt = <1275000>;
+		};
+		pm8226_s3: s3 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1350000>;
+		};
+		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 = <3300000>;
+			regulator-max-microvolt = <3300000>;
+		};
+		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 = <3000000>;
+			regulator-max-microvolt = <3300000>;
+		};
+		pm8226_l19: l19 {
+			regulator-min-microvolt = <3000000>;
+			regulator-max-microvolt = <3000000>;
+		};
+		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 = <1800000>;
+		};
+		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 = <2700000>;
+			regulator-max-microvolt = <3000000>;
+		};
+
+		pm8226_lvs1: lvs1 {};
+	};
+};
+
+&sdhc_1 {
+	status = "okay";
+
+	vmmc-supply = <&pm8226_l17>;
+	vqmmc-supply = <&pm8226_l6>;
+
+	bus-width = <8>;
+	non-removable;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdhc1_pin_a>;
+};
+
+&tlmm {
+	sdhc1_pin_a: sdhc1-pin-active {
+		clk {
+			pins = "sdc1_clk";
+			drive-strength = <10>;
+			bias-disable;
+		};
+
+		cmd-data {
+			pins = "sdc1_cmd", "sdc1_data";
+			drive-strength = <10>;
+			bias-pull-up;
+		};
+	};
+
+	touch_pins: touch {
+		irq {
+			pins = "gpio17";
+			function = "gpio";
+
+			drive-strength = <8>;
+			bias-pull-down;
+			input-enable;
+		};
+
+		reset {
+			pins = "gpio16";
+			function = "gpio";
+
+			drive-strength = <8>;
+			bias-disable;
+			output-high;
+		};
+	};
+};