Add Texas Instruments BQ25703A Charger

new file mode 100644
index 000000000000..ba14663c9266
@@ -0,0 +1,117 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/ti,bq25703a.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: BQ25703A Charger Manager/Buck/Boost Converter
+
+maintainers:
+  - Chris Morgan <[email protected]>
+
+allOf:
+  - $ref: /schemas/power/supply/power-supply.yaml#
+
+properties:
+  compatible:
+    const: ti,bq25703a
+
+  reg:
+    const: 0x6b
+
+  input-current-limit-microamp:
+    description:
+      Maximum total input current allowed used for both charging and
+      powering the device.
+    minimum: 50000
+    maximum: 6400000
+    default: 3250000
+
+  interrupts:
+    maxItems: 1
+
+  monitored-battery:
+    description:
+      A minimum of constant-charge-current-max-microamp,
+      constant-charge-voltage-max-microvolt, and
+      voltage-min-design-microvolt are required.
+
+  regulators:
+    type: object
+    additionalProperties: false
+    description:
+      Boost converter regulator output of bq257xx.
+
+    properties:
+      vbus:
+        type: object
+        $ref: /schemas/regulator/regulator.yaml
+        additionalProperties: false
+
+        properties:
+          regulator-name: true
+          regulator-min-microamp:
+            minimum: 0
+            maximum: 6350000
+          regulator-max-microamp:
+            minimum: 0
+            maximum: 6350000
+          regulator-min-microvolt:
+            minimum: 4480000
+            maximum: 20800000
+          regulator-max-microvolt:
+            minimum: 4480000
+            maximum: 20800000
+          enable-gpios:
+            description:
+              The BQ25703 may require both a register write and a GPIO
+              toggle to enable the boost regulator.
+
+        required:
+          - regulator-name
+          - regulator-min-microamp
+          - regulator-max-microamp
+          - regulator-min-microvolt
+          - regulator-max-microvolt
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - input-current-limit-microamp
+  - monitored-battery
+  - power-supplies
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/pinctrl/rockchip.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        bq25703: charger@6b {
+            compatible = "ti,bq25703a";
+            reg = <0x6b>;
+            input-current-limit-microamp = <5000000>;
+            interrupt-parent = <&gpio0>;
+            interrupts = <RK_PD5 IRQ_TYPE_LEVEL_LOW>;
+            monitored-battery = <&battery>;
+            power-supplies = <&fusb302>;
+
+            regulators {
+                usb_otg_vbus: vbus {
+                    enable-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_HIGH>;
+                    regulator-max-microamp = <960000>;
+                    regulator-max-microvolt = <5088000>;
+                    regulator-min-microamp = <512000>;
+                    regulator-min-microvolt = <4992000>;
+                    regulator-name = "usb_otg_vbus";
+                };
+            };
+        };
+    };
+
+...

index 6fb3768e3d71..d8b39e8a8a17 100644
@@ -1585,6 +1585,17 @@ config MFD_TI_LMU
 	  LM36274.  It consists of backlight, LED and regulator driver.
 	  It provides consistent device controls for lighting functions.
 
+config MFD_BQ257XX
+	tristate "TI BQ257XX Buck/Boost Charge Controller"
+	depends on I2C
+	select MFD_CORE
+	select REGMAP_I2C
+	help
+	  Support Texas Instruments BQ25703 Buck/Boost converter with
+	  charge controller. It consists of regulators that provide
+	  system voltage and OTG voltage, and a charger manager for
+	  batteries containing one or more cells.
+
 config MFD_OMAP_USB_HOST
 	bool "TI OMAP USBHS core and TLL driver"
 	depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3

index 79495f9f3457..06da932cce5d 100644
@@ -13,6 +13,7 @@ obj-$(CONFIG_MFD_SM501)		+= sm501.o
 obj-$(CONFIG_ARCH_BCM2835)	+= bcm2835-pm.o
 obj-$(CONFIG_MFD_BCM590XX)	+= bcm590xx.o
 obj-$(CONFIG_MFD_BD9571MWV)	+= bd9571mwv.o
+obj-$(CONFIG_MFD_BQ257XX)	+= bq257xx.o
 obj-$(CONFIG_MFD_CGBC)		+= cgbc-core.o
 obj-$(CONFIG_MFD_CROS_EC_DEV)	+= cros_ec_dev.o
 obj-$(CONFIG_MFD_CS42L43)	+= cs42l43.o

index 79ddb006e2da..11893c50c5d2 100644
@@ -767,6 +767,13 @@ config CHARGER_BQ2515X
 	  rail, ADC for battery and system monitoring, and push-button
 	  controller.
 
+config CHARGER_BQ257XX
+	tristate "TI BQ257XX battery charger family"
+	depends on MFD_BQ257XX
+	help
+	  Say Y to enable support for the TI BQ257XX family of battery
+	  charging integrated circuits.
+
 config CHARGER_BQ25890
 	tristate "TI BQ25890 battery charger driver"
 	depends on I2C

index 4f5f8e3507f8..425caeb31fc2 100644
@@ -97,6 +97,7 @@ obj-$(CONFIG_CHARGER_BQ24190)	+= bq24190_charger.o
 obj-$(CONFIG_CHARGER_BQ24257)	+= bq24257_charger.o
 obj-$(CONFIG_CHARGER_BQ24735)	+= bq24735-charger.o
 obj-$(CONFIG_CHARGER_BQ2515X)	+= bq2515x_charger.o
+obj-$(CONFIG_CHARGER_BQ257XX)	+= bq257xx_charger.o
 obj-$(CONFIG_CHARGER_BQ25890)	+= bq25890_charger.o
 obj-$(CONFIG_CHARGER_BQ25980)	+= bq25980_charger.o
 obj-$(CONFIG_CHARGER_BQ256XX)	+= bq256xx_charger.o

index 6d8988387da4..53cd33afe6d5 100644
@@ -297,6 +297,14 @@ config REGULATOR_BD96801
 	  This driver can also be built as a module. If so, the module
 	  will be called bd96801-regulator.
 
+config REGULATOR_BQ257XX
+	tristate "TI BQ257XX regulator family"
+	depends on MFD_BQ257XX
+	depends on GPIOLIB || COMPILE_TEST
+	help
+	  Say Y to enable support for the boost regulator function of
+	  the BQ257XX family of charger circuits.
+
 config REGULATOR_CPCAP
 	tristate "Motorola CPCAP regulator"
 	depends on MFD_CPCAP

index c0bc7a0f4e67..d6024189a248 100644
@@ -38,6 +38,7 @@ obj-$(CONFIG_REGULATOR_BD71828) += bd71828-regulator.o
 obj-$(CONFIG_REGULATOR_BD718XX) += bd718x7-regulator.o
 obj-$(CONFIG_REGULATOR_BD9571MWV) += bd9571mwv-regulator.o
 obj-$(CONFIG_REGULATOR_BD957XMUF) += bd9576-regulator.o
+obj-$(CONFIG_REGULATOR_BQ257XX) += bq257xx-regulator.o
 obj-$(CONFIG_REGULATOR_DA903X)	+= da903x-regulator.o
 obj-$(CONFIG_REGULATOR_BD96801) += bd96801-regulator.o
 obj-$(CONFIG_REGULATOR_DA9052)	+= da9052-regulator.o

index 873a2bd6a6de..e1ec1b3f4fc1 100644
@@ -575,6 +575,56 @@ &i2c6 {
 	pinctrl-0 = <&i2c6m3_xfer>;
 	status = "okay";
 
+	fusb302: typec@22 {
+		compatible = "fcs,fusb302";
+		reg = <0x22>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <RK_PC7 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-0 = <&usbc0_int>;
+		pinctrl-names = "default";
+		vbus-supply = <&usb_otg_vbus>;
+
+		connector {
+			compatible = "usb-c-connector";
+			data-role = "dual";
+			label = "USB-C";
+			op-sink-microwatt = <1000000>;
+			power-role = "dual";
+			self-powered;
+			sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)
+				     PDO_FIXED(9000, 3000, PDO_FIXED_USB_COMM)
+				     PDO_FIXED(12000, 3000, PDO_FIXED_USB_COMM)>;
+			source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+			try-power-role = "sink";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					usbc0_orien_sw: endpoint {
+						remote-endpoint = <&usbdp_phy0_orientation_switch>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+					usbc0_role_sw: endpoint {
+						remote-endpoint = <&dwc3_0_role_switch>;
+					};
+				};
+
+				port@2 {
+					reg = <2>;
+					dp_altmode_mux: endpoint {
+						remote-endpoint = <&usbdp_phy0_dp_altmode_mux>;
+					};
+				};
+			};
+		};
+	};
+
 	rtc_hym8563: rtc@51 {
 		compatible = "haoyu,hym8563";
 		reg = <0x51>;

@@ -603,8 +653,34 @@ battery@62 {
 			 0x2F 0x00 0x64 0xA5 0xB5 0x1C 0xF0 0x49>;
 		cellwise,monitor-interval-ms = <5000>;
 		monitored-battery = <&battery>;
+		power-supplies = <&bq25703>;
 		status = "okay";
 	};
+
+	bq25703: charger@6b {
+		compatible = "ti,bq25703a";
+		reg = <0x6b>;
+		input-current-limit-microamp = <5000000>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <RK_PD5 IRQ_TYPE_LEVEL_LOW>;
+		monitored-battery = <&battery>;
+		pinctrl-0 = <&charger_int_h>;
+		pinctrl-names = "default";
+		power-supplies = <&fusb302>;
+
+		regulators {
+			usb_otg_vbus: vbus {
+				enable-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_HIGH>;
+				pinctrl-0 = <&boost_enable_h>;
+				pinctrl-names = "default";
+				regulator-max-microamp = <960000>;
+				regulator-max-microvolt = <5088000>;
+				regulator-min-microamp = <512000>;
+				regulator-min-microvolt = <4992000>;
+				regulator-name = "usb_otg_vbus";
+			};
+		};
+	};
 };
 
 &i2c7 {

@@ -807,6 +883,12 @@ usbc0_int: usbc0-int {
 			rockchip,pins =
 				<0 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
+
+		usbc_sbu_dc: usbc-sbu-dc {
+			rockchip,pins =
+				<4 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>,
+				<4 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
 	};
 
 	vcc3v3-lcd {

@@ -1239,3 +1321,43 @@ bluetooth {
 		shutdown-gpios = <&gpio3 RK_PB7 GPIO_ACTIVE_HIGH>;
 	};
 };
+
+&usb_host0_xhci {
+	usb-role-switch;
+	status = "okay";
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		dwc3_0_role_switch: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&usbc0_role_sw>;
+		};
+	};
+};
+
+&usbdp_phy0 {
+	mode-switch;
+	orientation-switch;
+	pinctrl-0 = <&usbc_sbu_dc>;
+	pinctrl-names = "default";
+	sbu1-dc-gpios = <&gpio4 RK_PA0 GPIO_ACTIVE_HIGH>;
+	sbu2-dc-gpios = <&gpio4 RK_PA1 GPIO_ACTIVE_HIGH>;
+	rockchip,dp-lane-mux = <2 3>;
+	status = "okay";
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		usbdp_phy0_orientation_switch: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&usbc0_orien_sw>;
+		};
+
+		usbdp_phy0_dp_altmode_mux: endpoint@1 {
+			reg = <1>;
+			remote-endpoint = <&dp_altmode_mux>;
+		};
+	};
+};