arm64: dts: qcom: msm8916-thwc: Add initial device trees

This commit adds support for the ufi-001C and uf896 WiFi/LTE dongle made by
Tong Heng Wei Chuang based on MSM8916.
uf896 is another variant for the usb stick. The board design
differs by using different gpios for the keys and leds.

Note: The original firmware does not support 64-bit OS. It is necessary
to flash 64-bit TZ firmware to boot arm64.

Currently supported:
- All CPU cores
- Buttons
- LEDs
- Modem
- SDHC
- USB Device Mode
- UART
Co-developed-by: Jaime Breva <jbreva@nayarsystems.com>
Signed-off-by: Jaime Breva <jbreva@nayarsystems.com>
Co-developed-by: Nikita Travkin <nikita@trvn.ru>
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Signed-off-by: Yang Xiwen <forbidden405@foxmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/Makefile

@@ -24,6 +24,8 @@ dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-samsung-gt58.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-samsung-j5.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-samsung-j5x.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-samsung-serranove.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-thwc-uf896.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-thwc-ufi001c.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-wingtech-wt88047.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= msm8953-motorola-potter.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= msm8953-xiaomi-daisy.dtb

arch/arm64/boot/dts/qcom/msm8916-thwc-uf896.dts

+// SPDX-License-Identifier: GPL-2.0-only
+
+/dts-v1/;
+
+#include "msm8916-ufi.dtsi"
+
+/ {
+	model = "uf896 4G Modem Stick";
+	compatible = "thwc,uf896", "qcom,msm8916";
+};
+
+&button_restart {
+	gpios = <&msmgpio 35 GPIO_ACTIVE_LOW>;
+};
+
+&led_r {
+	gpios = <&msmgpio 82 GPIO_ACTIVE_HIGH>;
+};
+
+&led_g {
+	gpios = <&msmgpio 83 GPIO_ACTIVE_HIGH>;
+};
+
+&led_b {
+	gpios = <&msmgpio 81 GPIO_ACTIVE_HIGH>;
+};
+
+&button_default {
+	pins = "gpio35";
+	bias-pull-up;
+};
+
+&gpio_leds_default {
+	pins = "gpio81", "gpio82", "gpio83";
+};
+
+&sim_ctrl_default {
+	pins = "gpio1", "gpio2";
+};

arch/arm64/boot/dts/qcom/msm8916-thwc-ufi001c.dts

+// SPDX-License-Identifier: GPL-2.0-only
+
+/dts-v1/;
+
+#include "msm8916-ufi.dtsi"
+
+/ {
+	model = "ufi-001c/ufi-001b 4G Modem Stick";
+	compatible = "thwc,ufi001c", "qcom,msm8916";
+};
+
+&button_restart {
+	gpios = <&msmgpio 37 GPIO_ACTIVE_HIGH>;
+};
+
+&led_r {
+	gpios = <&msmgpio 22 GPIO_ACTIVE_HIGH>;
+};
+
+&led_g {
+	gpios = <&msmgpio 21 GPIO_ACTIVE_HIGH>;
+};
+
+&led_b {
+	gpios = <&msmgpio 20 GPIO_ACTIVE_HIGH>;
+};
+
+&button_default {
+	pins = "gpio37";
+	bias-pull-down;
+};
+
+&gpio_leds_default {
+	pins = "gpio20", "gpio21", "gpio22";
+};
+
+&sim_ctrl_default {
+	pins = "gpio1", "gpio2";
+};

arch/arm64/boot/dts/qcom/msm8916-ufi.dtsi

+// SPDX-License-Identifier: GPL-2.0-only
+
+#include "msm8916-pm8916.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	chassis-type = "embedded";
+
+	aliases {
+		serial0 = &blsp1_uart2;
+	};
+
+	chosen {
+		stdout-path = "serial0";
+	};
+
+	reserved-memory {
+		mpss_mem: mpss@86800000 {
+			reg = <0x0 0x86800000 0x0 0x5500000>;
+			no-map;
+		};
+
+		gps_mem: gps@8bd00000 {
+			reg = <0x0 0x8bd00000 0x0 0x200000>;
+			no-map;
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		pinctrl-0 = <&button_default>;
+		pinctrl-names = "default";
+
+		label = "GPIO Buttons";
+
+		/* GPIO is board-specific */
+		button_restart: button-restart {
+			label = "Restart";
+			linux,code = <KEY_RESTART>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		pinctrl-0 = <&gpio_leds_default>;
+		pinctrl-names = "default";
+
+		/*
+		 * GPIOs are board-specific.
+		 * Functions and default-states defined here are fallbacks.
+		 * Feel free to override them if your board is different.
+		 */
+		led_r: led-r {
+			color = <LED_COLOR_ID_RED>;
+			default-state = "on";
+			function = LED_FUNCTION_POWER;
+		};
+
+		led_g: led-g {
+			color = <LED_COLOR_ID_GREEN>;
+			default-state = "off";
+			function = LED_FUNCTION_WLAN;
+		};
+
+		led_b: led-b {
+			color = <LED_COLOR_ID_BLUE>;
+			default-state = "off";
+			function = LED_FUNCTION_WAN;
+		};
+	};
+};
+
+&bam_dmux {
+	status = "okay";
+};
+
+&bam_dmux_dma {
+	status = "okay";
+};
+
+&blsp1_uart2 {
+	status = "okay";
+};
+
+/* Remove &dsi_phy0 from clocks to make sure that gcc probes with display disabled */
+&gcc {
+	clocks = <&xo_board>, <&sleep_clk>, <0>, <0>, <0>, <0>, <0>;
+};
+
+&mpss {
+	pinctrl-0 = <&sim_ctrl_default>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+&pm8916_usbin {
+	status = "okay";
+};
+
+&pronto {
+	status = "okay";
+};
+
+&sdhc_1 {
+	pinctrl-0 = <&sdc1_clk_on &sdc1_cmd_on &sdc1_data_on>;
+	pinctrl-1 = <&sdc1_clk_off &sdc1_cmd_off &sdc1_data_off>;
+	pinctrl-names = "default", "sleep";
+
+	status = "okay";
+};
+
+&usb {
+	extcon = <&pm8916_usbin>;
+	dr_mode = "peripheral";
+
+	status = "okay";
+};
+
+&usb_hs_phy {
+	extcon = <&pm8916_usbin>;
+};
+
+&smd_rpm_regulators {
+	vdd_l1_l2_l3-supply = <&pm8916_s3>;
+	vdd_l4_l5_l6-supply = <&pm8916_s4>;
+	vdd_l7-supply = <&pm8916_s4>;
+
+	s3 {
+		regulator-min-microvolt = <1200000>;
+		regulator-max-microvolt = <1300000>;
+	};
+
+	s4 {
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <2100000>;
+	};
+
+	l1 {
+		regulator-min-microvolt = <1225000>;
+		regulator-max-microvolt = <1225000>;
+	};
+
+	l2 {
+		regulator-min-microvolt = <1200000>;
+		regulator-max-microvolt = <1200000>;
+	};
+
+	l4 {
+		regulator-min-microvolt = <2050000>;
+		regulator-max-microvolt = <2050000>;
+	};
+
+	l5 {
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	l6 {
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	l7 {
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	l8 {
+		regulator-min-microvolt = <2850000>;
+		regulator-max-microvolt = <2900000>;
+	};
+
+	l9 {
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	l10 {
+		regulator-min-microvolt = <2700000>;
+		regulator-max-microvolt = <2800000>;
+	};
+
+	l11 {
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <2950000>;
+		regulator-system-load = <200000>;
+		regulator-allow-set-load;
+	};
+
+	l12 {
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <2950000>;
+	};
+
+	l13 {
+		regulator-min-microvolt = <3075000>;
+		regulator-max-microvolt = <3075000>;
+	};
+
+	l14 {
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	l15 {
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	l16 {
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	l17 {
+		regulator-min-microvolt = <2850000>;
+		regulator-max-microvolt = <2850000>;
+	};
+
+	l18 {
+		regulator-min-microvolt = <2700000>;
+		regulator-max-microvolt = <2700000>;
+	};
+};
+
+&msmgpio {
+	/* pins are board-specific */
+	button_default: button-default-state {
+		function = "gpio";
+		drive-strength = <2>;
+	};
+
+	gpio_leds_default: gpio-leds-default-state {
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	sim_ctrl_default: sim-ctrl-default-state {
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+		output-low;
+	};
+};