Message ID | 20200729071340.7673-2-wcheng@codeaurora.org (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | Introduce PMIC based USB type C detection | expand |
Quoting Wesley Cheng (2020-07-29 00:13:37) > diff --git a/drivers/usb/typec/Kconfig b/drivers/usb/typec/Kconfig > index 559dd06117e7..3e375f82849d 100644 > --- a/drivers/usb/typec/Kconfig > +++ b/drivers/usb/typec/Kconfig > @@ -73,6 +73,18 @@ config TYPEC_TPS6598X > If you choose to build this driver as a dynamically linked module, the > module will be called tps6598x.ko. > > +config TYPEC_QCOM_PMIC > + tristate "Qualcomm PMIC USB Type-C driver" > + depends on ARCH_QCOM Can you add || COMPILE_TEST here? > + help > + Driver for supporting role switch over the Qualcomm PMIC. This will > + handle the USB Type-C role and orientation detection reported by the > + QCOM PMIC if the PMIC has the capability to handle USB Type-C > + detection. > + > + It will also enable the VBUS output to connected devices when a > + DFP connection is made. > + > source "drivers/usb/typec/mux/Kconfig" > > source "drivers/usb/typec/altmodes/Kconfig" > diff --git a/drivers/usb/typec/qcom-pmic-typec.c b/drivers/usb/typec/qcom-pmic-typec.c > new file mode 100644 > index 000000000000..5ae3af03c638 > --- /dev/null > +++ b/drivers/usb/typec/qcom-pmic-typec.c > @@ -0,0 +1,275 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (c) 2020, The Linux Foundation. All rights reserved. > + */ > + > +#include <linux/err.h> > +#include <linux/regmap.h> > +#include <linux/kernel.h> > +#include <linux/module.h> > +#include <linux/slab.h> > +#include <linux/interrupt.h> > +#include <linux/of_irq.h> Is this include used? > +#include <linux/platform_device.h> > +#include <linux/of_device.h> Is this include used? > +#include <linux/usb/role.h> > +#include <linux/usb/typec_mux.h> > +#include <linux/regulator/consumer.h> > + > +#define TYPEC_MISC_STATUS 0xb > +#define CC_ATTACHED BIT(0) > +#define CC_ORIENTATION BIT(1) > +#define SNK_SRC_MODE BIT(6) > +#define TYPEC_MODE_CFG 0x44 > +#define TYPEC_DISABLE_CMD BIT(0) > +#define EN_SNK_ONLY BIT(1) > +#define EN_SRC_ONLY BIT(2) > +#define TYPEC_VCONN_CONTROL 0x46 > +#define VCONN_EN_SRC BIT(0) > +#define VCONN_EN_VAL BIT(1) > +#define TYPEC_EXIT_STATE_CFG 0x50 > +#define SEL_SRC_UPPER_REF BIT(2) > +#define TYPEC_INTR_EN_CFG_1 0x5e > +#define TYPEC_INTR_EN_CFG_1_MASK GENMASK(7, 0) > + > +struct qcom_pmic_typec { > + struct device *dev; > + struct fwnode_handle *fwnode; > + struct regmap *regmap; > + u32 base; > + > + struct typec_capability *cap; > + struct typec_port *port; > + struct usb_role_switch *role_sw; > + > + struct regulator *vbus_reg; > + bool vbus_enabled; > +}; > + > +static void qcom_pmic_typec_enable_vbus_regulator(struct qcom_pmic_typec > + *qcom_usb, bool enable) > +{ > + int ret = 0; Please don't assign and then reassign before testing this variable. > + > + if (enable == qcom_usb->vbus_enabled) > + return; > + > + if (!qcom_usb->vbus_reg) { > + qcom_usb->vbus_reg = devm_regulator_get(qcom_usb->dev, > + "usb_vbus"); > + if (IS_ERR(qcom_usb->vbus_reg)) { > + qcom_usb->vbus_reg = NULL; > + return; > + } > + } > + > + if (enable) { > + ret = regulator_enable(qcom_usb->vbus_reg); > + if (ret) > + return; > + } else { > + ret = regulator_disable(qcom_usb->vbus_reg); > + if (ret) > + return; > + } > + qcom_usb->vbus_enabled = enable; > +} > + > +static void qcom_pmic_typec_check_connection(struct qcom_pmic_typec *qcom_usb) > +{ > + enum typec_orientation orientation; > + enum usb_role role; > + unsigned int stat; > + bool enable_vbus; > + > + regmap_read(qcom_usb->regmap, qcom_usb->base + TYPEC_MISC_STATUS, > + &stat); > + > + if (stat & CC_ATTACHED) { > + orientation = ((stat & CC_ORIENTATION) >> 1) ? Do we really need to shift >> by 1? Seems useless for a test. > + TYPEC_ORIENTATION_REVERSE : > + TYPEC_ORIENTATION_NORMAL; > + typec_set_orientation(qcom_usb->port, orientation); > + > + role = (stat & SNK_SRC_MODE) ? USB_ROLE_HOST : USB_ROLE_DEVICE; > + if (role == USB_ROLE_HOST) > + enable_vbus = true; > + else > + enable_vbus = false; > + } else { > + role = USB_ROLE_NONE; > + enable_vbus = false; > + } > + > + qcom_pmic_typec_enable_vbus_regulator(qcom_usb, enable_vbus); > + usb_role_switch_set_role(qcom_usb->role_sw, role); > +} > + > +static irqreturn_t qcom_pmic_typec_interrupt(int irq, void *_qcom_usb) > +{ > + struct qcom_pmic_typec *qcom_usb = _qcom_usb; > + > + qcom_pmic_typec_check_connection(qcom_usb); > + return IRQ_HANDLED; > +} > + > +static void qcom_pmic_typec_typec_hw_init(struct qcom_pmic_typec *qcom_usb) > +{ > + u8 mode = 0; > + > + regmap_update_bits(qcom_usb->regmap, > + qcom_usb->base + TYPEC_INTR_EN_CFG_1, > + TYPEC_INTR_EN_CFG_1_MASK, 0); > + > + if (qcom_usb->cap->type != TYPEC_PORT_DRP) > + mode = (qcom_usb->cap->type == TYPEC_PORT_SNK) ? > + EN_SNK_ONLY : EN_SRC_ONLY; > + regmap_update_bits(qcom_usb->regmap, qcom_usb->base + TYPEC_MODE_CFG, > + EN_SNK_ONLY | EN_SRC_ONLY, mode); > + > + regmap_update_bits(qcom_usb->regmap, > + qcom_usb->base + TYPEC_VCONN_CONTROL, > + VCONN_EN_SRC | VCONN_EN_VAL, VCONN_EN_SRC); > + regmap_update_bits(qcom_usb->regmap, > + qcom_usb->base + TYPEC_EXIT_STATE_CFG, > + SEL_SRC_UPPER_REF, SEL_SRC_UPPER_REF); > +} > + > +static int qcom_pmic_typec_probe(struct platform_device *pdev) > +{ > + struct device *dev = &pdev->dev; > + struct qcom_pmic_typec *qcom_usb; > + struct typec_capability *cap; > + const char *buf; > + int ret, irq, role; > + u32 reg; > + > + ret = of_property_read_u32(dev->of_node, "reg", ®); > + if (ret < 0) { > + dev_err(dev, "missing base address"); Please add newlines at the end of printk messages. > + return ret; > + } > + > + qcom_usb = devm_kzalloc(dev, sizeof(*qcom_usb), GFP_KERNEL); > + if (!qcom_usb) > + return -ENOMEM; > + > + qcom_usb->dev = dev; > + qcom_usb->base = reg; > + > + qcom_usb->regmap = dev_get_regmap(dev->parent, NULL); > + if (!qcom_usb->regmap) { > + dev_err(dev, "Failed to get regmap\n"); > + return -EINVAL; > + } > + > + irq = platform_get_irq(pdev, 0); > + if (irq < 0) { > + dev_err(dev, "Failed to get CC irq\n"); platform_get_irq() already prints an error message. Please remove this. > + return -EINVAL; > + } > + > + ret = devm_request_threaded_irq(qcom_usb->dev, irq, NULL, > + qcom_pmic_typec_interrupt, IRQF_ONESHOT, > + "qcom-pmic-typec", qcom_usb); > + if (ret) { > + dev_err(&pdev->dev, "Could not request IRQ\n"); > + return ret; > + } > + > + qcom_usb->fwnode = device_get_named_child_node(dev, "connector"); > + if (!qcom_usb->fwnode) > + return -EINVAL; > + > + cap = devm_kzalloc(dev, sizeof(*cap), GFP_KERNEL); > + if (!cap) { > + ret = -ENOMEM; > + goto err_put_node; > + } > + > + ret = fwnode_property_read_string(qcom_usb->fwnode, "power-role", &buf); > + if (!ret) { > + role = typec_find_port_power_role(buf); > + if (role < 0) > + role = TYPEC_PORT_SNK; > + } else { > + role = TYPEC_PORT_SNK; > + } > + cap->type = role; > + > + ret = fwnode_property_read_string(qcom_usb->fwnode, "data-role", &buf); > + if (!ret) { > + role = typec_find_port_data_role(buf); > + if (role < 0) > + role = TYPEC_PORT_UFP; > + } else { > + role = TYPEC_PORT_UFP; > + } > + cap->data = role; > + > + cap->prefer_role = TYPEC_NO_PREFERRED_ROLE; > + cap->fwnode = qcom_usb->fwnode; > + qcom_usb->port = typec_register_port(dev, cap); > + if (IS_ERR(qcom_usb->port)) { > + ret = PTR_ERR(qcom_usb->port); > + dev_err(dev, "Failed to register type c port %d\n", ret); > + goto err_put_node; > + } > + > + qcom_usb->cap = cap; > + > + qcom_usb->role_sw = fwnode_usb_role_switch_get(qcom_usb->fwnode); > + if (IS_ERR(qcom_usb->role_sw)) { > + if (PTR_ERR(qcom_usb->role_sw) != -EPROBE_DEFER) > + dev_err(dev, "failed to get role switch\n"); > + ret = PTR_ERR(qcom_usb->role_sw); > + goto err_typec_port; > + } > + > + platform_set_drvdata(pdev, qcom_usb); > + qcom_pmic_typec_typec_hw_init(qcom_usb); > + qcom_pmic_typec_check_connection(qcom_usb); > + > + return 0; > + > +err_typec_port: > + typec_unregister_port(qcom_usb->port); > +err_put_node: > + fwnode_handle_put(qcom_usb->fwnode); > + > + return ret; > +} > + > +static int qcom_pmic_typec_remove(struct platform_device *pdev) > +{ > + struct qcom_pmic_typec *qcom_usb = platform_get_drvdata(pdev); > + > + usb_role_switch_set_role(qcom_usb->role_sw, USB_ROLE_NONE); > + qcom_pmic_typec_enable_vbus_regulator(qcom_usb, 0); > + > + typec_unregister_port(qcom_usb->port); > + usb_role_switch_put(qcom_usb->role_sw); > + fwnode_handle_put(qcom_usb->fwnode); > + > + return 0; > +} > + > +static const struct of_device_id qcom_pmic_typec_table[] = { > + { .compatible = "qcom,pm8150b-usb-typec" }, > + { }, Nitpick: Drop the comma here so nothing can come after without causing a compile error. > +}; > +MODULE_DEVICE_TABLE(of, qcom_pmic_typec_table); > + > +static struct platform_driver qcom_pmic_typec = { > + .driver = { > + .name = "qcom,pmic-typec", > + .of_match_table = qcom_pmic_typec_table, > + }, > + .probe = qcom_pmic_typec_probe, > + .remove = qcom_pmic_typec_remove, > +}; > + Another nitpick: Drop the newline and make module_platform_driver() follow directly after the driver. > +module_platform_driver(qcom_pmic_typec); > + > +MODULE_DESCRIPTION("QCOM PMIC USB type C driver"); > +MODULE_LICENSE("GPL v2");
On 7/29/2020 1:33 AM, Stephen Boyd wrote: > Quoting Wesley Cheng (2020-07-29 00:13:37) >> diff --git a/drivers/usb/typec/Kconfig b/drivers/usb/typec/Kconfig >> index 559dd06117e7..3e375f82849d 100644 >> --- a/drivers/usb/typec/Kconfig >> +++ b/drivers/usb/typec/Kconfig >> @@ -73,6 +73,18 @@ config TYPEC_TPS6598X >> If you choose to build this driver as a dynamically linked module, the >> module will be called tps6598x.ko. >> >> +config TYPEC_QCOM_PMIC >> + tristate "Qualcomm PMIC USB Type-C driver" >> + depends on ARCH_QCOM > > Can you add || COMPILE_TEST here? > Sure, will do. >> +#include <linux/err.h> >> +#include <linux/regmap.h> >> +#include <linux/kernel.h> >> +#include <linux/module.h> >> +#include <linux/slab.h> >> +#include <linux/interrupt.h> >> +#include <linux/of_irq.h> > > Is this include used? > >> +#include <linux/platform_device.h> >> +#include <linux/of_device.h> > > Is this include used? > Reviewed which includes I used, and removed the ones that were not needed. >> +static void qcom_pmic_typec_enable_vbus_regulator(struct qcom_pmic_typec >> + *qcom_usb, bool enable) >> +{ >> + int ret = 0; > > Please don't assign and then reassign before testing this variable. > I will just remove the assignment here. >> + if (stat & CC_ATTACHED) { >> + orientation = ((stat & CC_ORIENTATION) >> 1) ? > > Do we really need to shift >> by 1? Seems useless for a test. > Agreed, we can remove the shift. >> + ret = of_property_read_u32(dev->of_node, "reg", ®); >> + if (ret < 0) { >> + dev_err(dev, "missing base address"); > > Please add newlines at the end of printk messages. > Done. >> + irq = platform_get_irq(pdev, 0); >> + if (irq < 0) { >> + dev_err(dev, "Failed to get CC irq\n"); > > platform_get_irq() already prints an error message. Please remove this. > Got it. >> +static const struct of_device_id qcom_pmic_typec_table[] = { >> + { .compatible = "qcom,pm8150b-usb-typec" }, >> + { }, > > Nitpick: Drop the comma here so nothing can come after without causing a > compile error. > Sure. >> +static struct platform_driver qcom_pmic_typec = { >> + .driver = { >> + .name = "qcom,pmic-typec", >> + .of_match_table = qcom_pmic_typec_table, >> + }, >> + .probe = qcom_pmic_typec_probe, >> + .remove = qcom_pmic_typec_remove, >> +}; >> + > > Another nitpick: Drop the newline and make module_platform_driver() > follow directly after the driver. > Ok, will do. Thanks for the review/feedback, Stephen.
diff --git a/drivers/usb/typec/Kconfig b/drivers/usb/typec/Kconfig index 559dd06117e7..3e375f82849d 100644 --- a/drivers/usb/typec/Kconfig +++ b/drivers/usb/typec/Kconfig @@ -73,6 +73,18 @@ config TYPEC_TPS6598X If you choose to build this driver as a dynamically linked module, the module will be called tps6598x.ko. +config TYPEC_QCOM_PMIC + tristate "Qualcomm PMIC USB Type-C driver" + depends on ARCH_QCOM + help + Driver for supporting role switch over the Qualcomm PMIC. This will + handle the USB Type-C role and orientation detection reported by the + QCOM PMIC if the PMIC has the capability to handle USB Type-C + detection. + + It will also enable the VBUS output to connected devices when a + DFP connection is made. + source "drivers/usb/typec/mux/Kconfig" source "drivers/usb/typec/altmodes/Kconfig" diff --git a/drivers/usb/typec/Makefile b/drivers/usb/typec/Makefile index 7753a5c3cd46..cceffd987643 100644 --- a/drivers/usb/typec/Makefile +++ b/drivers/usb/typec/Makefile @@ -6,4 +6,5 @@ obj-$(CONFIG_TYPEC_TCPM) += tcpm/ obj-$(CONFIG_TYPEC_UCSI) += ucsi/ obj-$(CONFIG_TYPEC_HD3SS3220) += hd3ss3220.o obj-$(CONFIG_TYPEC_TPS6598X) += tps6598x.o +obj-$(CONFIG_TYPEC_QCOM_PMIC) += qcom-pmic-typec.o obj-$(CONFIG_TYPEC) += mux/ diff --git a/drivers/usb/typec/qcom-pmic-typec.c b/drivers/usb/typec/qcom-pmic-typec.c new file mode 100644 index 000000000000..5ae3af03c638 --- /dev/null +++ b/drivers/usb/typec/qcom-pmic-typec.c @@ -0,0 +1,275 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2020, The Linux Foundation. All rights reserved. + */ + +#include <linux/err.h> +#include <linux/regmap.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> +#include <linux/of_device.h> +#include <linux/usb/role.h> +#include <linux/usb/typec_mux.h> +#include <linux/regulator/consumer.h> + +#define TYPEC_MISC_STATUS 0xb +#define CC_ATTACHED BIT(0) +#define CC_ORIENTATION BIT(1) +#define SNK_SRC_MODE BIT(6) +#define TYPEC_MODE_CFG 0x44 +#define TYPEC_DISABLE_CMD BIT(0) +#define EN_SNK_ONLY BIT(1) +#define EN_SRC_ONLY BIT(2) +#define TYPEC_VCONN_CONTROL 0x46 +#define VCONN_EN_SRC BIT(0) +#define VCONN_EN_VAL BIT(1) +#define TYPEC_EXIT_STATE_CFG 0x50 +#define SEL_SRC_UPPER_REF BIT(2) +#define TYPEC_INTR_EN_CFG_1 0x5e +#define TYPEC_INTR_EN_CFG_1_MASK GENMASK(7, 0) + +struct qcom_pmic_typec { + struct device *dev; + struct fwnode_handle *fwnode; + struct regmap *regmap; + u32 base; + + struct typec_capability *cap; + struct typec_port *port; + struct usb_role_switch *role_sw; + + struct regulator *vbus_reg; + bool vbus_enabled; +}; + +static void qcom_pmic_typec_enable_vbus_regulator(struct qcom_pmic_typec + *qcom_usb, bool enable) +{ + int ret = 0; + + if (enable == qcom_usb->vbus_enabled) + return; + + if (!qcom_usb->vbus_reg) { + qcom_usb->vbus_reg = devm_regulator_get(qcom_usb->dev, + "usb_vbus"); + if (IS_ERR(qcom_usb->vbus_reg)) { + qcom_usb->vbus_reg = NULL; + return; + } + } + + if (enable) { + ret = regulator_enable(qcom_usb->vbus_reg); + if (ret) + return; + } else { + ret = regulator_disable(qcom_usb->vbus_reg); + if (ret) + return; + } + qcom_usb->vbus_enabled = enable; +} + +static void qcom_pmic_typec_check_connection(struct qcom_pmic_typec *qcom_usb) +{ + enum typec_orientation orientation; + enum usb_role role; + unsigned int stat; + bool enable_vbus; + + regmap_read(qcom_usb->regmap, qcom_usb->base + TYPEC_MISC_STATUS, + &stat); + + if (stat & CC_ATTACHED) { + orientation = ((stat & CC_ORIENTATION) >> 1) ? + TYPEC_ORIENTATION_REVERSE : + TYPEC_ORIENTATION_NORMAL; + typec_set_orientation(qcom_usb->port, orientation); + + role = (stat & SNK_SRC_MODE) ? USB_ROLE_HOST : USB_ROLE_DEVICE; + if (role == USB_ROLE_HOST) + enable_vbus = true; + else + enable_vbus = false; + } else { + role = USB_ROLE_NONE; + enable_vbus = false; + } + + qcom_pmic_typec_enable_vbus_regulator(qcom_usb, enable_vbus); + usb_role_switch_set_role(qcom_usb->role_sw, role); +} + +static irqreturn_t qcom_pmic_typec_interrupt(int irq, void *_qcom_usb) +{ + struct qcom_pmic_typec *qcom_usb = _qcom_usb; + + qcom_pmic_typec_check_connection(qcom_usb); + return IRQ_HANDLED; +} + +static void qcom_pmic_typec_typec_hw_init(struct qcom_pmic_typec *qcom_usb) +{ + u8 mode = 0; + + regmap_update_bits(qcom_usb->regmap, + qcom_usb->base + TYPEC_INTR_EN_CFG_1, + TYPEC_INTR_EN_CFG_1_MASK, 0); + + if (qcom_usb->cap->type != TYPEC_PORT_DRP) + mode = (qcom_usb->cap->type == TYPEC_PORT_SNK) ? + EN_SNK_ONLY : EN_SRC_ONLY; + regmap_update_bits(qcom_usb->regmap, qcom_usb->base + TYPEC_MODE_CFG, + EN_SNK_ONLY | EN_SRC_ONLY, mode); + + regmap_update_bits(qcom_usb->regmap, + qcom_usb->base + TYPEC_VCONN_CONTROL, + VCONN_EN_SRC | VCONN_EN_VAL, VCONN_EN_SRC); + regmap_update_bits(qcom_usb->regmap, + qcom_usb->base + TYPEC_EXIT_STATE_CFG, + SEL_SRC_UPPER_REF, SEL_SRC_UPPER_REF); +} + +static int qcom_pmic_typec_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct qcom_pmic_typec *qcom_usb; + struct typec_capability *cap; + const char *buf; + int ret, irq, role; + u32 reg; + + ret = of_property_read_u32(dev->of_node, "reg", ®); + if (ret < 0) { + dev_err(dev, "missing base address"); + return ret; + } + + qcom_usb = devm_kzalloc(dev, sizeof(*qcom_usb), GFP_KERNEL); + if (!qcom_usb) + return -ENOMEM; + + qcom_usb->dev = dev; + qcom_usb->base = reg; + + qcom_usb->regmap = dev_get_regmap(dev->parent, NULL); + if (!qcom_usb->regmap) { + dev_err(dev, "Failed to get regmap\n"); + return -EINVAL; + } + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(dev, "Failed to get CC irq\n"); + return -EINVAL; + } + + ret = devm_request_threaded_irq(qcom_usb->dev, irq, NULL, + qcom_pmic_typec_interrupt, IRQF_ONESHOT, + "qcom-pmic-typec", qcom_usb); + if (ret) { + dev_err(&pdev->dev, "Could not request IRQ\n"); + return ret; + } + + qcom_usb->fwnode = device_get_named_child_node(dev, "connector"); + if (!qcom_usb->fwnode) + return -EINVAL; + + cap = devm_kzalloc(dev, sizeof(*cap), GFP_KERNEL); + if (!cap) { + ret = -ENOMEM; + goto err_put_node; + } + + ret = fwnode_property_read_string(qcom_usb->fwnode, "power-role", &buf); + if (!ret) { + role = typec_find_port_power_role(buf); + if (role < 0) + role = TYPEC_PORT_SNK; + } else { + role = TYPEC_PORT_SNK; + } + cap->type = role; + + ret = fwnode_property_read_string(qcom_usb->fwnode, "data-role", &buf); + if (!ret) { + role = typec_find_port_data_role(buf); + if (role < 0) + role = TYPEC_PORT_UFP; + } else { + role = TYPEC_PORT_UFP; + } + cap->data = role; + + cap->prefer_role = TYPEC_NO_PREFERRED_ROLE; + cap->fwnode = qcom_usb->fwnode; + qcom_usb->port = typec_register_port(dev, cap); + if (IS_ERR(qcom_usb->port)) { + ret = PTR_ERR(qcom_usb->port); + dev_err(dev, "Failed to register type c port %d\n", ret); + goto err_put_node; + } + + qcom_usb->cap = cap; + + qcom_usb->role_sw = fwnode_usb_role_switch_get(qcom_usb->fwnode); + if (IS_ERR(qcom_usb->role_sw)) { + if (PTR_ERR(qcom_usb->role_sw) != -EPROBE_DEFER) + dev_err(dev, "failed to get role switch\n"); + ret = PTR_ERR(qcom_usb->role_sw); + goto err_typec_port; + } + + platform_set_drvdata(pdev, qcom_usb); + qcom_pmic_typec_typec_hw_init(qcom_usb); + qcom_pmic_typec_check_connection(qcom_usb); + + return 0; + +err_typec_port: + typec_unregister_port(qcom_usb->port); +err_put_node: + fwnode_handle_put(qcom_usb->fwnode); + + return ret; +} + +static int qcom_pmic_typec_remove(struct platform_device *pdev) +{ + struct qcom_pmic_typec *qcom_usb = platform_get_drvdata(pdev); + + usb_role_switch_set_role(qcom_usb->role_sw, USB_ROLE_NONE); + qcom_pmic_typec_enable_vbus_regulator(qcom_usb, 0); + + typec_unregister_port(qcom_usb->port); + usb_role_switch_put(qcom_usb->role_sw); + fwnode_handle_put(qcom_usb->fwnode); + + return 0; +} + +static const struct of_device_id qcom_pmic_typec_table[] = { + { .compatible = "qcom,pm8150b-usb-typec" }, + { }, +}; +MODULE_DEVICE_TABLE(of, qcom_pmic_typec_table); + +static struct platform_driver qcom_pmic_typec = { + .driver = { + .name = "qcom,pmic-typec", + .of_match_table = qcom_pmic_typec_table, + }, + .probe = qcom_pmic_typec_probe, + .remove = qcom_pmic_typec_remove, +}; + +module_platform_driver(qcom_pmic_typec); + +MODULE_DESCRIPTION("QCOM PMIC USB type C driver"); +MODULE_LICENSE("GPL v2");