RK3576 USB: Hardware, PHY-Versorgung, DTS und Type-C

&usbdp_phy {
        status = "disabled";
};

&usbdp_phy_dp {
        status = "disabled";
};

&usbdp_phy_u3 {
        status = "disabled";
};

&combphy1_psu {
        status = "disabled";
};

#USB3.1 OTG0 Controller
usb_drd0_dwc3: usb@23000000 {
        compatible = "rockchip,rk3576-dwc3", "snps,dwc3";
        ......
};

#USB3.1 OTG1 Controller
usb_drd1_dwc3: usb@23400000 {
        compatible = "rockchip,rk3576-dwc3", "snps,dwc3";
        ......
};

usb2phy_grf: syscon@2602e000 {
        compatible = "rockchip,RK3576-usb2phy-grf", "syscon",
                     "simple-mfd";
        ......

        // USB2.0 PHY0
        u2phy0: usb2-phy@0 {
                compatible = "rockchip,RK3576-usb2phy";
                ......
                u2phy0_otg: otg-port {
                        #phy-cells = <0>;
                        status = "disabled";
                };
        };

        // USB2.0 PHY1
        u2phy1: usb2-phy@2000 {
                compatible = "rockchip,RK3576-usb2phy";
                ......
                u2phy1_otg: otg-port {
                        #phy-cells = <0>;
                        status = "disabled";
                };
        };
};

#USB3.1/DP Combo PHY
usbdp_phy: phy@2b010000 {
        compatible = "rockchip,rk3576-usbdp-phy";
        ......
        usbdp_phy_dp: dp-port {
                #phy-cells = <0>;
                status = "disabled";
        };

        usbdp_phy_u3: u3-port {
                #phy-cells = <0>;
                status = "disabled";
        };
};

#USB3.1/SATA/PCIe PHY1
combphy1_psu: phy@2b060000 {
        compatible = "rockchip,rk3576-naneng-combphy";
        ......
};

// USB2.0 PHY Configuration Property "rockchip,typec-vbus-det", indicating support for
hardware designs with Type-C VBUS_DET constantly pulled high
&u2phy0_otg {
        rockchip,typec-vbus-det;
};

// USB3.1/DP PHY, configure properties "sbu1-dc-gpios" and "sbu2-dc-gpios" according to
hardware design
&usbdp_phy {
        orientation-switch;
        svid = <0xff01>;
        sbu1-dc-gpios = <&gpio2 RK_PA6 GPIO_ACTIVE_HIGH>;
        sbu2-dc-gpios = <&gpio2 RK_PA7 GPIO_ACTIVE_HIGH>;

        port {
                #address-cells = <1>;
                #size-cells = <0>;
                usbdp_phy_orientation_switch: endpoint@0 {
                        reg = <0>;
                        remote-endpoint = <&usbc0_orien_sw>;
                };

                usbdp_phy_dp_altmode_mux: endpoint@1 {
                        reg = <1>;
                        remote-endpoint = <&dp_altmode_mux>;
                };
        };
};

// USB3.1 OTG0 Controller
&usb_drd0_dwc3 {
        dr_mode = "otg";
        usb-role-switch;
        port {
                usb_drd0_role_switch: endpoint {
                        remote-endpoint = <&usbc0_role_sw>;
                };
        };
};

// VBUS GPIO Configuration, controlled by the Type-C controller chip driver
vbus5v0_typec: vbus5v0-typec {
        compatible = "regulator-fixed";
        regulator-name = "vbus5v0_typec";
        regulator-min-microvolt = <5000000>;
        regulator-max-microvolt = <5000000>;
        enable-active-high;
        gpio = <&gpio0 RK_PD1 GPIO_ACTIVE_HIGH>;
        vin-supply = <&vcc5v0_device>;
        pinctrl-names = "default";
        pinctrl-0 = <&usb_otg0_pwren>;
};

// Configure external Type-C controller chip HUSB311
// Configure properties "I2C/interrupts/vbus-supply/usb_con" according to actual hardware
design
&i2c2 {
        status = "okay";

        usbc0: husb311@4e {
                compatible = "hynetek,husb311"; // Note 1
                reg = <0x4e>;
                interrupt-parent = <&gpio0>;
                interrupts = <RK_PA5 IRQ_TYPE_LEVEL_LOW>;
                pinctrl-names = "default";
                pinctrl-0 = <&usbc0_int>;
                vbus-supply = <&vbus5v0_typec>;
                status = "okay";

                port {
                        usbc0_role_sw: endpoint {
                                remote-endpoint = <&usb_drd0_role_switch>;
                        };
                };

                usb_con: connector {
                        compatible = "usb-c-connector";
                        label = "USB-C";
                        data-role = "dual";
                        power-role = "dual";
                        try-power-role = "sink";
                        op-sink-microwatt = <1000000>;

                        // Configure charging/supplying capability according to actual
hardware design
                        sink-pdos =
                                <PDO_FIXED(5000, 1000, PDO_FIXED_USB_COMM)>;
                        source-pdos =
                                <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;

                        altmodes {
                                #address-cells = <1>;
                                #size-cells = <0>;

                                altmode@0 {
                                        reg = <0>;
                                        svid = <0xff01>;
                                        vdo = <0xffffffff>;
                                };
                        };
                        ports {
                                #address-cells = <1>;
                                #size-cells = <0>;

                                port@0 {
                                        reg = <0>;
                                        usbc0_orien_sw: endpoint {
                                                remote-endpoint =
<&usbdp_phy_orientation_switch>;
                                        };
                                };

                                port@1 {
                                        reg = <1>;
                                        dp_altmode_mux: endpoint {
                                                remote-endpoint =
<&usbdp_phy_dp_altmode_mux>;
                                        };
                                };
                        };
                };
        };
};

// Configure external Type-C controller chip HUSB311
&i2c2 {
        usbc0: fusb302@22 {
                compatible = "fcs,fusb302";
                reg = <0x22>;
                ...... // The rest is the same as HUSB311
        };
};

diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c
index 77a050cd2e88..72bef94887b4 100644
--- a/drivers/usb/typec/tcpm/fusb302.c
+++ b/drivers/usb/typec/tcpm/fusb302.c
@@ -105,6 +105,7 @@ struct fusb302_chip {
        bool vbus_on;
        bool charge_on;
        bool vbus_present;
+       bool wakeup;
        enum typec_cc_polarity cc_polarity;
        enum typec_cc_status cc1;
        enum typec_cc_status cc2;
@@ -1769,7 +1770,8 @@ static int fusb302_probe(struct i2c_client *client,
                dev_err(dev, "cannot request IRQ for GPIO Int_N, ret=%d", ret);
                goto tcpm_unregister_port;
        }
-       enable_irq_wake(chip->gpio_int_n_irq);
+       chip->wakeup = device_property_read_bool(dev, "wakeup-source");
+       device_init_wakeup(dev, true);
        i2c_set_clientdata(client, chip);

        return ret;
@@ -1788,7 +1790,7 @@ static void fusb302_remove(struct i2c_client *client)
 {
        struct fusb302_chip *chip = i2c_get_clientdata(client);

-       disable_irq_wake(chip->gpio_int_n_irq);
+       device_init_wakeup(chip->dev, false);
        free_irq(chip->gpio_int_n_irq, chip);
        kthread_destroy_worker(chip->irq_worker);
        cancel_delayed_work_sync(&chip->bc_lvl_handler);
@@ -1809,6 +1811,11 @@ static int fusb302_pm_suspend(struct device *dev)

        /* Make sure any pending irq_work is finished before the bus suspends */
        kthread_flush_worker(chip->irq_worker);
+
+       if (device_may_wakeup(dev) && (!chip->vbus_on || chip->wakeup))
+               enable_irq_wake(chip->gpio_int_n_irq);
+       else
+               disable_irq(chip->gpio_int_n_irq);
        return 0;
 }

@@ -1819,6 +1826,11 @@ static int fusb302_pm_resume(struct device *dev)
        u8 pwr;
        int ret = 0;

+       if (device_may_wakeup(dev) && (!chip->vbus_on || chip->wakeup))
+               disable_irq_wake(chip->gpio_int_n_irq);
+       else
+               enable_irq(chip->gpio_int_n_irq);
+
        /*
         * When the power of fusb302 is lost or i2c read failed in PM S/R
         * process, we must reset the tcpm port first to ensure the devices

#USB2.0 PHY configuration for "phy-supply" attribute, used to control VBUS output at 5V
&u2phy0_otg {
        phy-supply = <&vcc5v0_otg>;
};

#VBUS GPIO configuration, controlled by this GPIO in the USB2.0 PHY driver
vcc5v0_otg: vcc5v0-otg {
        compatible = "regulator-fixed";
        regulator-name = "vcc5v0_otg";
        regulator-min-microvolt = <5000000>;
        regulator-max-microvolt = <5000000>;
        enable-active-high;
        gpio = <&gpio0 RK_PD1 GPIO_ACTIVE_HIGH>;
        vin-supply = <&vcc5v0_device>;
        pinctrl-names = "default";
        pinctrl-0 = <&usb_otg0_pwren>;
};

#USB3.1/DP PHY0, configure DP to use lane2/3, the driver will automatically allocate lane0/1
for USB3.1 Rx/Tx
#If the hardware design uses DP on lane0/1, then "rockchip,dp-lane-mux = <0 1>" should be
configured here
#Note: Even if DP is not supported in the actual circuit, "rockchip,dp-lane-mux" must be
configured, otherwise the USBDP PHY driver cannot automatically allocate lanes to USB3.1
&usbdp_phy {
        rockchip,dp-lane-mux = <2 3>;
};

#USB3.1 OTG0 Controller
#Set "dr_mode" to "otg" and configure the "extcon" attribute to support software switching
between Device/Host mode
&usb_drd0_dwc3 {
        dr_mode = "otg";
        extcon = <&u2phy0>;
        status = "okay";
};

# USB2.0 PHY0 Configuration
# Configure the property "phy-supply" to control the VBUS output of 5V
# Configure the property "rockchip,sel-pipe-phystatus", indicating the selection of GRF to
control the pipe phystatus, replacing the control of USBDP PHY
# Configure the property "rockchip,dis-u2-susphy", where otg mode is an option, indicating
the function to close the USB2 PHY driver dynamically entering suspend mode is optional
&u2phy0_otg {
        vbus-supply = <&vcc5v0_otg>;
        rockchip,sel-pipe-phystatus;
        rockchip,dis-u2-susphy;
        status = "okay";
};

# VBUS GPIO Configuration, controlling this GPIO in the USB2.0 PHY driver
vcc5v0_otg: vcc5v0-otg {
        ...
};

# USB3.1/DP PHY, configure DP to use lanes 0/1/2/3
# According to the actual hardware design, configure the property "rockchip,dp-lane-mux"
# Configure the property maximum-speed = "high-speed", to notify the USBDP PHY driver to
restrict USB to USB2.0 only
&usbdp_phy {
        maximum-speed = "high-speed";
        rockchip,dp-lane-mux = < 0 1 2 3 >;
        status = "okay";
};

&usbdp_phy_dp {
        status = "okay";
};

&usbdp_phy_u3 {
        status = "okay";
};

# Configure the property "maximum-speed", to notify the DWC3 driver to restrict USB to
USB2.0 only
# Configure the property "snps,dis_u2_susphy_quirk", to disable the controller hardware's
suspend usb2 phy function, improving the stability of USB communication
# Configure the property "snps,usb2-lpm-disable", to disable the controller's Host mode LPM
function, improving the compatibility of USB peripherals
&usb_drd0_dwc3 {
        phys = <&u2phy0_otg>;
        phy-names = "usb2-phy";
        extcon = <&u2phy0>;
        maximum-speed = "high-speed";
        snps,dis_u2_susphy_quirk;
        snps,usb2-lpm-disable;
        status = "okay";
};

#USB2.0 PHY0 registers typec orientation switch, used for interaction with the TCPM
subsystem, to obtain USB hot-plug information
&u2phy0 {
        orientation-switch;
        status = "okay";

        port {
                u2phy0_orientation_switch: endpoint {
                        remote-endpoint = <&usbc0_orien_sw>;
                };
        };
};

#USB2.0 PHY0 OTG configuration
#Configuration property "rockchip,sel-pipe-phystatus", indicates the selection of GRF
control pipe phystatus, replacing the control of USBDP PHY
#Configuration property "rockchip,typec-vbus-det", indicates support for Type-C VBUS_DET
hardware designs that are always pulled high
#Configuration property "rockchip,dis-u2-susphy", optional, indicates disabling the USB2 PHY
driver's dynamic entry into suspend mode function
&u2phy0_otg {
        rockchip,sel-pipe-phystatus;
        rockchip,typec-vbus-det;
        rockchip,dis-u2-susphy;
        status = "okay";
};

#Configure the USBDP CombPHY parent node
#Note: The usbdp_phy node must be correctly configured according to whether the actual
hardware circuit USBDP CombPHY is powered.
#Case 1. If the actual hardware circuit CombPHY is designed to be powered, then disable all
relevant parent nodes and child nodes of usbdp_phy, keeping the USBDP PHY in an
uninitialized state to achieve the lowest power consumption
&usbdp_phy {
        status = "disabled";
};
#Case 2. If the actual hardware circuit CombPHY is not powered, then enable the usbdp_phy
node and disable related child nodes to prevent system startup exceptions or USB download
function exceptions
&usbdp_phy {
        rockchip,usbdpphy-clamp; /* To avoid power-off affecting bus access and Logic
leakage to USBDP PHY */
        maximum-speed = "high-speed"; /* Limit u2 only, to avoid initializing USBDP PHY */
        status = "okay";
};

#Configure the USBDP CombPHY child nodes
&usbdp_phy_dp {
        status = "disabled";
};

&usbdp_phy_u3 {
        status = "disabled";
};

#Configure the DP controller
&dp {
        status = "disabled";
};

#Configure the USB3.1 OTG0 Controller
#Configure "phys = <&u2phy0_otg>", which means not to reference the USBDP PHY
#Configure maximum-speed = "high-speed", to inform the DWC3 driver to limit USB to USB2.0
only
#Configuration property "snps,dis_u2_susphy_quirk", to disable the controller's hardware
suspend usb2 phy function, improving the stability of USB communication
#Configuration property "snps,usb2-lpm-disable", to disable the controller's Host mode LPM
function, improving the compatibility of USB peripherals
&usb_drd0_dwc3 {
        dr_mode = "otg";
        status = "okay";
        maximum-speed = "high-speed";
        phys = <&u2phy0_otg>;
        phy-names = "usb2-phy";
        usb-role-switch;
        snps,dis_u2_susphy_quirk;
        snps,usb2-lpm-disable;
        port {
                usb_drd0_role_switch: endpoint {
                        remote-endpoint = <&usbc0_role_sw>;
                };
        };
};

#Configure the external Type-C controller chip HUSB311
#Properties "I2C/interrupts/vbus-supply/usb_con" must be configured according to the actual
hardware design
#The property usbc0_orien_sw's remote-endpoint must be set to <&u2phy0_orientation_switch>
&i2c2 {
        status = "okay";
        usbc0: husb311@4e {
                compatible = "hynetek,husb311";
                reg = <0x4e>;
                interrupt-parent = <&gpio0>;
                interrupts = <RK_PC4 IRQ_TYPE_LEVEL_LOW>;
                pinctrl-names = "default";
                pinctrl-0 = <&usbc0_int>;
                vbus-supply = <&vbus5v0_typec>;
                status = "okay";

                port {
                usbc0_role_sw: endpoint {
                        remote-endpoint = <&usb_drd0_role_switch>;
                };
        };

        usb_con: connector {
                compatible = "usb-c-connector";
                label = "USB-C";
                data-role = "dual";
                power-role = "dual";
                ......
                port {
                        usbc0_orien_sw: endpoint {
                                remote-endpoint = <&u2phy0_orientation_switch>;
                        };
                };
        };
};

#USB2.0 PHY0 OTG configuration
#Configuration property "rockchip,sel-pipe-phystatus", indicates the selection of GRF
control pipe phystatus, replacing the control of USBDP PHY
#Configuration property "rockchip,dis-u2-susphy", a required option, indicates disabling the
USB2 PHY driver's dynamic entry into suspend mode function
&u2phy0_otg {
        rockchip,sel-pipe-phystatus;
        rockchip,dis-u2-susphy;
        status = "okay";
};

#Configure the USBDP CombPHY parent node
#Note: The usbdp_phy node must be correctly configured according to whether the actual
hardware circuit USBDP CombPHY is powered.
#Case 1. If the actual hardware circuit CombPHY is designed to be powered, then disable all
relevant parent nodes and child nodes of usbdp_phy, keeping the USBDP PHY in an
uninitialized state to achieve the lowest power consumption
&usbdp_phy {
        status = "disabled";
};
#Case 2. If the actual hardware circuit CombPHY is not powered, then enable the usbdp_phy
node and disable related child nodes to prevent system startup exceptions or USB download
function exceptions
&usbdp_phy {
        rockchip,usbdpphy-clamp; /* To avoid power-off affecting bus access and Logic
leakage to USBDP PHY */
        maximum-speed = "high-speed"; /* Limit u2 only, to avoid initializing USBDP PHY */
        status = "okay";
};
#Configure the USBDP CombPHY child nodes
&usbdp_phy_dp {
        status = "disabled";
};

&usbdp_phy_u3 {
        status = "disabled";
};

#Configure the DP controller
&dp {
        status = "disabled";
};

#Configure the USB3.1 OTG0 Controller
#Configure dr_mode = "peripheral", to inform the DWC3 driver to initialize in Device only
mode
#Configure "phys = <&u2phy0_otg>", which means not to reference the USBDP PHY
#Configure maximum-speed = "high-speed", to inform the DWC3 driver to limit USB to USB2.0
only
#Configuration property "snps,dis_u2_susphy_quirk", to disable the controller's hardware
suspend usb2 phy function, improving the stability of USB communication
&usb_drd0_dwc3 {
        dr_mode = "peripheral";
        phys = <&u2phy0_otg>;
        phy-names = "usb2-phy";
        maximum-speed = "high-speed";
        snps,dis_u2_susphy_quirk;
        status = "okay";
};

#USB2.0 PHY0 OTG configuration
#Configuration property "rockchip,sel-pipe-phystatus", indicates the selection of GRF
control pipe phystatus, replacing the control of USBDP PHY
#Configuration property "rockchip,dis-u2-susphy", otg mode is an optional, indicates
disabling the USB2 PHY driver's dynamic entry into suspend mode function
&u2phy0_otg {
        rockchip,sel-pipe-phystatus;
        rockchip,dis-u2-susphy;
        status = "okay";
};

#Configure the USBDP CombPHY parent node
#Note: The usbdp_phy node must be correctly configured according to whether the actual
hardware circuit USBDP CombPHY is powered.
#Case 1. If the actual hardware circuit CombPHY is designed to be powered, then disable the
parent node and child nodes of usbdp_phy, keeping the USBDP PHY in an uninitialized state to
achieve the lowest power consumption
&usbdp_phy {
        status = "disabled";
};
#Case 2. If the actual hardware circuit CombPHY is not powered, then enable the usbdp_phy
node and disable related child nodes to prevent system startup exceptions or USB download
function exceptions
&usbdp_phy {
        rockchip,usbdpphy-clamp; /* To avoid power-off affecting bus access and Logic
leakage to USBDP PHY */
        maximum-speed = "high-speed"; /* Limit u2 only, to avoid initializing USBDP PHY */
        status = "okay";
};

#Configure the USBDP CombPHY child nodes
&usbdp_phy_dp {
        status = "disabled";
};

&usbdp_phy_u3 {
        status = "disabled";
};

#Configure the DP controller
&dp {
        status = "disabled";
};

#Configure the USB3.1 OTG0 Controller
#Configure dr_mode = "otg"
#Configure "phys = <&u2phy0_otg>", which means not to reference the USBDP PHY
#Configure maximum-speed = "high-speed", to inform the DWC3 driver to limit USB to USB2.0
only
#Configure "extcon" property, to support automatic switching between Device/Host mode
#Configuration property "snps,dis_u2_susphy_quirk", to disable the controller's hardware
suspend usb2 phy function, improving the stability of USB communication
#Configuration property "snps,usb2-lpm-disable", to disable the controller's Host mode LPM
function, improving the compatibility of USB peripherals
&usb_drd0_dwc3 {
        dr_mode = "otg";
        phys = <&u2phy0_otg>;
        phy-names = "usb2-phy";
        maximum-speed = "high-speed";
        extcon = <&u2phy0>;
        snps,dis_u2_susphy_quirk;
        snps,usb2-lpm-disable;
        status = "okay";
};

#USB2.0 PHY1 configuration for "phy-supply" attribute to control VBUS output at 5V
&u2phy1_otg {
        phy-supply = <&vcc5v0_host>;
}

#VBUS GPIO configuration to control this GPIO in the USB2.0 PHY driver
vcc5v0_host: vcc5v0-host {
        compatible = "regulator-fixed";
        regulator-name = "vcc5v0_host";
        regulator-boot-on;
        regulator-always-on;
        regulator-min-microvolt = <5000000>;
        regulator-max-microvolt = <5000000>;
        enable-active-high;
        gpio = <&gpio0 RK_PC7 GPIO_ACTIVE_HIGH>;
        vin-supply = <&vcc5v0_device>;
        pinctrl-names = "default";
        pinctrl-0 = <&vcc5v0_host_en>;
};

#Enable USB3.1/SATA/PCIe Combo PHY
&combphy1_psu {
        status = "okay";
};

#Configure USB3.1 OTG1 Controller
&usb_drd1_dwc3 {
        dr_mode = "host";
        status = "okay";
};

&usbdp_phy {
        rockchip,usbdpphy-clamp; /* Prevent power-off from affecting bus access and Logic
leakage to USBDP PHY */
        maximum-speed = "high-speed"; /* Restrict u2 only, to avoid initializing USBDP PHY
*/
        status = "okay";
};

&usbdp_phy_dp {
        status = "disabled";
};

&usbdp_phy_u3 {
        status = "disabled";
};

rockchip-usbdp-phy 2b010000.phy: Failed to enable usbdpphy because clamp is set
rockchip-usbdp-phy: probe of 2b010000.phy failed with error -95

&combphy1_psu {
        rockchip,dis-u3otg1-port;
        status = "okay";
};

&usb_drd1_dwc3 {
        dr_mode = "host";
        phys = <&u2phy1_otg>, <&combphy1_psu PHY_TYPE_USB3>;  /* This must reference
combphy1_psu */
        phy-names = "usb2-phy", "usb3-phy";
        maximum-speed = "high-speed";
        snps,dis_u2_susphy_quirk;
        snps,usb2-lpm-disable;
        status = "okay";
};

&combphy1_psu {
        status = "disabled";
};

&usb_drd1_dwc3 {
        status = "disabled";
};

#1.Force host mode
  echo host > /sys/devices/platform/2602e000.syscon/2602e000.syscon:usb2-phy@0/otg_mode
#2.Force peripheral mode
  echo peripheral > /sys/devices/platform/2602e000.syscon/2602e000.syscon:usb2-
phy@0/otg_mode

#1.Force host mode
  echo host > /sys/kernel/debug/usb/23000000.usb/mode
#2.Force peripheral mode
  echo device > /sys/kernel/debug/usb/23000000.usb/mode

usb2phy_grf: syscon@2602e000 {
        compatible = "rockchip,RK3576-usb2phy-grf", "syscon",
                     "simple-mfd";
        ......

        // USB2.0 PHY0
        u2phy0: usb2-phy@0 {
                compatible = "rockchip,RK3576-usb2phy";
                ......
                u2phy0_otg: otg-port {
                        #phy-cells = <0>;
                        status = "disabled";
                };
        };

        // USB2.0 PHY1
        u2phy1: usb2-phy@2000 {
                compatible = "rockchip,RK3576-usb2phy";
                ......
                u2phy1_otg: otg-port {
                        #phy-cells = <0>;
                        status = "disabled";
                };
        };
};

#USB3.1/DP Combo PHY
usbdp_phy: phy@2b010000 {
        compatible = "rockchip,rk3576-usbdp-phy";
        ......
        usbdp_phy_dp: dp-port {
                #phy-cells = <0>;
                status = "disabled";
        };

        usbdp_phy_u3: u3-port {
                #phy-cells = <0>;
                status = "disabled";
        };
};

#USB3.1/SATA/PCIe PHY1
combphy1_psu: phy@2b060000 {
        compatible = "rockchip,rk3576-naneng-combphy";
        ......
};

#USB2.0 PHY配置属性"rockchip,typec-vbus-det"，表⽰⽀持Type-C VBUS_DET常拉⾼的硬件设计
&u2phy0_otg {
        rockchip,typec-vbus-det;
};

#USB3.1/DP PHY，需要根据硬件设计，配置属性"sbu1-dc-gpios"和"sbu2-dc-gpios"
&usbdp_phy {
        orientation-switch;
        svid = <0xff01>;
        sbu1-dc-gpios = <&gpio2 RK_PA6 GPIO_ACTIVE_HIGH>;
        sbu2-dc-gpios = <&gpio2 RK_PA7 GPIO_ACTIVE_HIGH>;

        port {
                #address-cells = <1>;
                #size-cells = <0>;
                usbdp_phy_orientation_switch: endpoint@0 {
                        reg = <0>;
                        remote-endpoint = <&usbc0_orien_sw>;
                };

                usbdp_phy_dp_altmode_mux: endpoint@1 {
                        reg = <1>;
                        remote-endpoint = <&dp_altmode_mux>;
                };
        };
};

#USB3.1 OTG0 Controller
&usb_drd0_dwc3 {
        dr_mode = "otg";
        usb-role-switch;
        port {
                usb_drd0_role_switch: endpoint {
                        remote-endpoint = <&usbc0_role_sw>;
                };
        };
};

#VBUS GPIO配置，在Type-C控制器芯⽚驱动中控制该GPIO
vbus5v0_typec: vbus5v0-typec {
        compatible = "regulator-fixed";
        regulator-name = "vbus5v0_typec";
        regulator-min-microvolt = <5000000>;
        regulator-max-microvolt = <5000000>;
        enable-active-high;
        gpio = <&gpio0 RK_PD1 GPIO_ACTIVE_HIGH>;
        vin-supply = <&vcc5v0_device>;
        pinctrl-names = "default";
        pinctrl-0 = <&usb_otg0_pwren>;
};

#配置外置Type-C控制器芯⽚HUSB311
#需要根据实际的硬件设计，配置"I2C/interrupts/vbus-supply/usb_con"的属性
&i2c2 {
        status = "okay";

        usbc0: husb311@4e {
                compatible = "hynetek,husb311"; // 注意本 Note 1
                reg = <0x4e>;
                interrupt-parent = <&gpio0>;
                interrupts = <RK_PA5 IRQ_TYPE_LEVEL_LOW>;
                pinctrl-names = "default";
                pinctrl-0 = <&usbc0_int>;
                vbus-supply = <&vbus5v0_typec>;
                status = "okay";

                port {
                        usbc0_role_sw: endpoint {
                                remote-endpoint = <&usb_drd0_role_switch>;
                        };
                };

                usb_con: connector {
                        compatible = "usb-c-connector";
                        label = "USB-C";
                        data-role = "dual";
                        power-role = "dual";
                        try-power-role = "sink";
                        op-sink-microwatt = <1000000>;

                        // 须根据实际的硬件设计进⾏配置充电/供电能⼒
                        sink-pdos =
                                <PDO_FIXED(5000, 1000, PDO_FIXED_USB_COMM)>;
                        source-pdos =
                                <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;

                        altmodes {
                                #address-cells = <1>;
                                #size-cells = <0>;

                                altmode@0 {
                                        reg = <0>;
                                        svid = <0xff01>;

                                        vdo = <0xffffffff>;
                                };
                        };

                        ports {
                                #address-cells = <1>;
                                #size-cells = <0>;

                                port@0 {
                                        reg = <0>;
                                        usbc0_orien_sw: endpoint {
                                                remote-endpoint =
<&usbdp_phy_orientation_switch>;
                                        };
                                };

                                port@1 {
                                        reg = <1>;
                                        dp_altmode_mux: endpoint {
                                                remote-endpoint =
<&usbdp_phy_dp_altmode_mux>;
                                        };
                                };
                        };
                };
        };

#配置外置Type-C控制器芯⽚HUSB311
&i2c2 {
        usbc0: fusb302@22 {
                compatible = "fcs,fusb302";
                reg = <0x22>;
                ...... // 其它同HUSB311
        };
};

diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c
index 77a050cd2e88..72bef94887b4 100644
--- a/drivers/usb/typec/tcpm/fusb302.c
+++ b/drivers/usb/typec/tcpm/fusb302.c
@@ -105,6 +105,7 @@ struct fusb302_chip {
        bool vbus_on;
        bool charge_on;
        bool vbus_present;
+       bool wakeup;
        enum typec_cc_polarity cc_polarity;
        enum typec_cc_status cc1;
        enum typec_cc_status cc2;

@@ -1769,7 +1770,8 @@ static int fusb302_probe(struct i2c_client *client,
                dev_err(dev, "cannot request IRQ for GPIO Int_N, ret=%d", ret);
                goto tcpm_unregister_port;
        }
-       enable_irq_wake(chip->gpio_int_n_irq);
+       chip->wakeup = device_property_read_bool(dev, "wakeup-source");
+       device_init_wakeup(dev, true);
        i2c_set_clientdata(client, chip);

        return ret;
@@ -1788,7 +1790,7 @@ static void fusb302_remove(struct i2c_client *client)
 {
        struct fusb302_chip *chip = i2c_get_clientdata(client);

-       disable_irq_wake(chip->gpio_int_n_irq);
+       device_init_wakeup(chip->dev, false);
        free_irq(chip->gpio_int_n_irq, chip);
        kthread_destroy_worker(chip->irq_worker);
        cancel_delayed_work_sync(&chip->bc_lvl_handler);
@@ -1809,6 +1811,11 @@ static int fusb302_pm_suspend(struct device *dev)

        /* Make sure any pending irq_work is finished before the bus suspends */
        kthread_flush_worker(chip->irq_worker);
+
+       if (device_may_wakeup(dev) && (!chip->vbus_on || chip->wakeup))
+               enable_irq_wake(chip->gpio_int_n_irq);
+       else
+               disable_irq(chip->gpio_int_n_irq);
        return 0;
 }

@@ -1819,6 +1826,11 @@ static int fusb302_pm_resume(struct device *dev)
        u8 pwr;
        int ret = 0;

+       if (device_may_wakeup(dev) && (!chip->vbus_on || chip->wakeup))
+               disable_irq_wake(chip->gpio_int_n_irq);
+       else
+               enable_irq(chip->gpio_int_n_irq);
+
        /*
         * When the power of fusb302 is lost or i2c read failed in PM S/R
         * process, we must reset the tcpm port first to ensure the devices

#USB2.0 PHY配置"phy-supply"属性，⽤于控制VBUS输出5V
&u2phy0_otg {
        phy-supply = <&vcc5v0_otg>;
};

#VBUS GPIO配置，在USB2.0 PHY驱动中控制该GPIO
vcc5v0_otg: vcc5v0-otg {
        compatible = "regulator-fixed";
        regulator-name = "vcc5v0_otg";
        regulator-min-microvolt = <5000000>;
        regulator-max-microvolt = <5000000>;
        enable-active-high;
        gpio = <&gpio0 RK_PD1 GPIO_ACTIVE_HIGH>;
        vin-supply = <&vcc5v0_device>;
        pinctrl-names = "default";
        pinctrl-0 = <&usb_otg0_pwren>;
};

#USB3.1/DP PHY0，只需配置DP使⽤lane2/3,驱动会⾃动分配lane0/1给USB3.1 Rx/Tx
#如果硬件设计DP使⽤lane0/1，则此处应配置"rockchip,dp-lane-mux = <0 1>"
#注意：实际电路中，即使未⽀持DP，也需要配置"rockchip,dp-lane-mux"，否则USBDP PHY驱动⽆法⾃
动分配lane给USB3.1
&usbdp_phy {
        rockchip,dp-lane-mux = <2 3>;
};

#USB3.1 OTG0 Controller
#配置"dr_mode"为"otg"，同时配置"extcon"属性，才能⽀持软件切换Device/Host mode
&usb_drd0_dwc3 {
        dr_mode = "otg";
        extcon = <&u2phy0>;
        status = "okay";
};

#USB2.0 PHY0配置
#配置属性"phy-supply"，⽤于控制VBUS输出5V
#配置属性"rockchip,sel-pipe-phystatus"，表⽰选择GRF控制pipe phystatus，替代USBDP PHY的
控制
#配置属性"rockchip,dis-u2-susphy"，otg mode为可选项，表⽰关闭USB2 PHY驱动动态进⼊suspend
mode的功能
&u2phy0_otg {
        vbus-supply = <&vcc5v0_otg>;
        rockchip,sel-pipe-phystatus;
        rockchip,dis-u2-susphy;
        status = "okay";
};

#VBUS GPIO配置，在USB2.0 PHY驱动中控制该GPIO
vcc5v0_otg: vcc5v0-otg {
        ...
};

#USB3.1/DP PHY，配置DP使⽤lane0/1/2/3
#需要根据实际的硬件设计，配置属性"rockchip,dp-lane-mux"
#配置属性maximum-speed = "high-speed"，通知USBDP PHY驱动将USB限制为USB2.0 only
&usbdp_phy {
        maximum-speed = "high-speed";
        rockchip,dp-lane-mux = < 0 1 2 3 >;
        status = "okay";
};

&usbdp_phy_dp {
        status = "okay";
};

&usbdp_phy_u3 {
        status = "okay";
};

#配置属性"maximum-speed"，通知DWC3驱动将USB限制为USB2.0 only
#配置属性"snps,dis_u2_susphy_quirk"，关闭控制器硬件suspend usb2 phy的功能，提⾼USB通信的
稳定性
#配置属性"snps,usb2-lpm-disable"，关闭控制器Host mode的LPM功能，提⾼USB外设的兼容性
&usb_drd0_dwc3 {
        phys = <&u2phy0_otg>;
        phy-names = "usb2-phy";
        extcon = <&u2phy0>;
        maximum-speed = "high-speed";
        snps,dis_u2_susphy_quirk;
        snps,usb2-lpm-disable;
        status = "okay";
};

#USB2.0 PHY0注册typec orientation switch，⽤于与TCPM⼦系统交互，获取USB热拔插的信息
&u2phy0 {
        orientation-switch;
        status = "okay";

        port {
                u2phy0_orientation_switch: endpoint {
                        remote-endpoint = <&usbc0_orien_sw>;
                };
        };
};

#USB2.0 PHY0 OTG配置
#配置属性"rockchip,sel-pipe-phystatus",表⽰选择GRF控制pipe phystatus，替代USBDP PHY的
控制
#配置属性"rockchip,typec-vbus-det"，表⽰⽀持Type-C VBUS_DET常拉⾼的硬件设计
#配置属性"rockchip,dis-u2-susphy"，可选项，表⽰关闭USB2 PHY驱动动态进⼊suspend mode的功能
&u2phy0_otg {

        rockchip,sel-pipe-phystatus;
        rockchip,typec-vbus-det;
        rockchip,dis-u2-susphy;
        status = "okay";
};

#disable USBDP PHY0的所有相关节点，让USBDP PHY0处于未初始化状态，达到最低功耗的⽬的
&usbdp_phy {
        status = "disabled";
};

&usbdp_phy_dp {
        status = "disabled";
};

&usbdp_phy_u3 {
        status = "disabled";
};

&dp {
        status = "disabled";
};

#配置USB3.1 OTG0 Controller
#配置"phys = <&u2phy0_otg>",即不引⽤USBDP PHY
#配置maximum-speed = "high-speed"，通知DWC3驱动将USB限制为USB2.0 only
#配置属性"snps,dis_u2_susphy_quirk"，关闭控制器硬件suspend usb2 phy的功能，提⾼USB通信的
稳定性
#配置属性"snps,usb2-lpm-disable"，关闭控制器Host mode的LPM功能，提⾼USB外设的兼容性
&usb_drd0_dwc3 {
        dr_mode = "otg";
        status = "okay";
        maximum-speed = "high-speed";
        phys = <&u2phy0_otg>;
        phy-names = "usb2-phy";
        usb-role-switch;
        snps,dis_u2_susphy_quirk;
        snps,usb2-lpm-disable;
        port {
                usb_drd0_role_switch: endpoint {
                        remote-endpoint = <&usbc0_role_sw>;
                };
        };
};

#配置外置Type-C控制器芯⽚HUSB311
#需要根据实际的硬件设计，配置"I2C/interrupts/vbus-supply/usb_con"的属性
#需要配置usbc0_orien_sw的属性remote-endpoint = <&u2phy0_orientation_switch>
&i2c2 {
        status = "okay";
        usbc0: husb311@4e {
                compatible = "hynetek,husb311";
                reg = <0x4e>;
                interrupt-parent = <&gpio0>;
                interrupts = <RK_PC4 IRQ_TYPE_LEVEL_LOW>;
                pinctrl-names = "default";

                pinctrl-0 = <&usbc0_int>;
                vbus-supply = <&vbus5v0_typec>;
                status = "okay";

                port {
                        usbc0_role_sw: endpoint {
                                remote-endpoint = <&usb_drd0_role_switch>;
                        };
                };

                usb_con: connector {
                        compatible = "usb-c-connector";
                        label = "USB-C";
                        data-role = "dual";
                        power-role = "dual";
                        ......
                        port {
                                usbc0_orien_sw: endpoint {
                                        remote-endpoint =
<&u2phy0_orientation_switch>;
                                };
                        };
                };
        };

#USB2.0 PHY0 OTG配置
#配置属性"rockchip,sel-pipe-phystatus",表⽰选择GRF控制pipe phystatus，替代USBDP PHY的
控制
#配置属性"rockchip,dis-u2-susphy"，必选项，表⽰关闭USB2 PHY驱动动态进⼊suspend mode的功能
&u2phy0_otg {
        rockchip,sel-pipe-phystatus;
        rockchip,dis-u2-susphy;
        status = "okay";
};

#disable USBDP PHY的所有相关节点，让USBDP PHY0处于未初始化状态，达到最低功耗的⽬的
&usbdp_phy {
        status = "disabled";
};

&usbdp_phy_dp {
        status = "disabled";
};

&usbdp_phy_u3 {
        status = "disabled";
}

#配置USB3.1 OTG0 Controller
#配置dr_mode = "peripheral"，通知DWC3驱动初始化为Device only mode
#配置"phys = <&u2phy0_otg>",即不引⽤USBDP PHY

#配置maximum-speed = "high-speed"，通知DWC3驱动将USB限制为USB2.0 only
#配置属性"snps,dis_u2_susphy_quirk"，关闭控制器硬件suspend usb2 phy的功能，提⾼USB通信的
稳定性
&usb_drd0_dwc3 {
        dr_mode = "peripheral";
        phys = <&u2phy0_otg>;
        phy-names = "usb2-phy";
        maximum-speed = "high-speed";
        snps,dis_u2_susphy_quirk;
        status = "okay";
};

#USB2.0 PHY0 OTG配置
#配置属性"rockchip,sel-pipe-phystatus",表⽰选择GRF控制pipe phystatus，替代USBDP PHY的
控制
#配置属性"rockchip,dis-u2-susphy"，otg mode为可选项，表⽰关闭USB2 PHY驱动动态进⼊suspend
mode的功能
&u2phy0_otg {
        rockchip,sel-pipe-phystatus;
        rockchip,dis-u2-susphy;
        status = "okay";
};

#disable USBDP PHY的所有相关节点，让USBDP PHY0处于未初始化状态，达到最低功耗的⽬的
&usbdp_phy {
        status = "disabled";
};

&usbdp_phy_dp {
        status = "disabled";
};

&usbdp_phy_u3 {
        status = "disabled";
}

#配置USB3.1 OTG0 Controller
#配置dr_mode = "otg"
#配置"phys = <&u2phy0_otg>",即不引⽤USBDP PHY
#配置maximum-speed = "high-speed"，通知DWC3驱动将USB限制为USB2.0 only
#配置"extcon"属性，才能⽀持⾃动切换Device/Host mode
#配置属性"snps,dis_u2_susphy_quirk"，关闭控制器硬件suspend usb2 phy的功能，提⾼USB通信的
稳定性
#配置属性"snps,usb2-lpm-disable"，关闭控制器Host mode的LPM功能，提⾼USB外设的兼容性
&usb_drd0_dwc3 {
        dr_mode = "otg";
        phys = <&u2phy0_otg>;
        phy-names = "usb2-phy";
        maximum-speed = "high-speed";
        extcon = <&u2phy0>;
        snps,dis_u2_susphy_quirk;
        snps,usb2-lpm-disable;
        status = "okay";

};

#USB2.0 PHY1配置"phy-supply"属性，⽤于控制VBUS输出5V
&u2phy1_otg {
        phy-supply = <&vcc5v0_host>;
}

#VBUS GPIO配置，在USB2.0 PHY驱动中控制该GPIO
vcc5v0_host: vcc5v0-host {
        compatible = "regulator-fixed";
        regulator-name = "vcc5v0_host";
        regulator-boot-on;
        regulator-always-on;
        regulator-min-microvolt = <5000000>;
        regulator-max-microvolt = <5000000>;
        enable-active-high;
        gpio = <&gpio0 RK_PC7 GPIO_ACTIVE_HIGH>;
        vin-supply = <&vcc5v0_device>;
        pinctrl-names = "default";
        pinctrl-0 = <&vcc5v0_host_en>;
};

#使能USB3.1/SATA/PCIe Combo PHY
&combphy1_psu {
        status = "okay";
};

#配置USB3.1 OTG1 Controller
&usb_drd1_dwc3 {
        dr_mode = "host";
        status = "okay";
};

&usbdp_phy {
        rockchip,usbdpphy-clamp; /* 避免断电影响到总线访问和Logic漏电到USBDP PHY */
        maximum-speed = "high-speed"; /* 限制 u2 only，避免初始化 USBDP PHY */
        status = "okay";
};

&usbdp_phy_dp {
        status = "disabled";
};

&usbdp_phy_u3 {
        status = "disabled";
};

&combphy1_psu {
        rockchip,dis-u3otg1-port;
        status = "okay";
};

&usb_drd1_dwc3 {
        dr_mode = "host";
        phys = <&u2phy1_otg>, <&combphy1_psu PHY_TYPE_USB3>;  /* 这⾥必须要引⽤
combphy1_psu */
        phy-names = "usb2-phy", "usb3-phy";
        maximum-speed = "high-speed";
        snps,dis_u2_susphy_quirk;
        snps,usb2-lpm-disable;
        status = "okay";
};

#1.Force host mode
  echo host > /sys/devices/platform/2602e000.syscon/2602e000.syscon:usb2-
phy@0/otg_mode
#2.Force peripheral mode
  echo peripheral > /sys/devices/platform/2602e000.syscon/2602e000.syscon:usb2-
phy@0/otg_mode