// SPDX-License-Identifier: GPL-2.0+ #include #include #include #include #define AXP_POWER_STATUS 0x00 #define AXP_POWER_STATUS_VBUS_PRESENT BIT(5) static int axp_usb_power_get_enable(struct udevice *dev) { int ret; ret = pmic_reg_read(dev->parent, AXP_POWER_STATUS); if (ret < 0) return ret; return !!(ret & AXP_POWER_STATUS_VBUS_PRESENT); } static const struct dm_regulator_ops axp_usb_power_ops = { .get_enable = axp_usb_power_get_enable, }; static int axp_usb_power_probe(struct udevice *dev) { struct dm_regulator_uclass_plat *uc_plat = dev_get_uclass_plat(dev); uc_plat->type = REGULATOR_TYPE_FIXED; return 0; } static const struct udevice_id axp_usb_power_ids[] = { { .compatible = "x-powers,axp202-usb-power-supply" }, { .compatible = "x-powers,axp221-usb-power-supply" }, { .compatible = "x-powers,axp223-usb-power-supply" }, { .compatible = "x-powers,axp813-usb-power-supply" }, { } }; U_BOOT_DRIVER(axp_usb_power) = { .name = "axp_usb_power", .id = UCLASS_REGULATOR, .of_match = axp_usb_power_ids, .probe = axp_usb_power_probe, .ops = &axp_usb_power_ops, };