Merge "gpio-usbdetect: disable gpio trigger USB device mode" (bd7721cf) · Commits · e / devices / android_kernel_xiaomi_markw

Documentation/devicetree/bindings/platform/msm/gpio-usbdetect.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,8 @@ Optional Properties:
		disconnect.
		- qcom,gpio-mode-sel: If present, specifies a gpio to switch to host mode if
		value is 0 or device mode if 1.
		- qcom,disable-device-mode: If present then don't treat GPIO high as Vbus high.
		And only notify host mode similar to ID line.

		Example:

+9 −4

Original line number	Diff line number	Diff line
		/* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
		/* Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		@@ -33,6 +33,7 @@ struct gpio_usbdetect {
		struct regulator *vdd12;
		int gpio_usbdetect;
		bool notify_host_mode;
		bool disable_device_mode;
		};

		static int gpio_enable_ldos(struct gpio_usbdetect *usb, int on)
		@@ -162,9 +163,11 @@ static irqreturn_t gpio_usbdetect_vbus_irq(int irq, void *data)
		if (usb->notify_host_mode)
		power_supply_set_usb_otg(usb->usb_psy, 0);

		if (!usb->disable_device_mode) {
		power_supply_set_supply_type(usb->usb_psy,
		POWER_SUPPLY_TYPE_USB);
		power_supply_set_present(usb->usb_psy, vbus);
		}
		} else {
		/* notify gpio_state = LOW as disconnect */
		power_supply_set_supply_type(usb->usb_psy,
		@@ -199,6 +202,8 @@ static int gpio_usbdetect_probe(struct platform_device *pdev)
		usb->usb_psy = usb_psy;
		usb->notify_host_mode = of_property_read_bool(pdev->dev.of_node,
		"qcom,notify-host-mode");
		usb->disable_device_mode = of_property_read_bool(pdev->dev.of_node,
		"qcom,disable-device-mode");
		rc = gpio_enable_ldos(usb, 1);
		if (rc)
		return rc;