Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * USB of helper code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/usb/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/usb/otg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) static const char *const usbphy_modes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	[USBPHY_INTERFACE_MODE_UNKNOWN]	= "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	[USBPHY_INTERFACE_MODE_UTMI]	= "utmi",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	[USBPHY_INTERFACE_MODE_UTMIW]	= "utmi_wide",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	[USBPHY_INTERFACE_MODE_ULPI]	= "ulpi",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	[USBPHY_INTERFACE_MODE_SERIAL]	= "serial",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	[USBPHY_INTERFACE_MODE_HSIC]	= "hsic",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  * of_usb_get_phy_mode - Get phy mode for given device_node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  * @np:	Pointer to the given device_node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  * The function gets phy interface string from property 'phy_type',
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  * and returns the corresponding enum usb_phy_interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	const char *phy_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	int err, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	err = of_property_read_string(np, "phy_type", &phy_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		return USBPHY_INTERFACE_MODE_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	for (i = 0; i < ARRAY_SIZE(usbphy_modes); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		if (!strcmp(phy_type, usbphy_modes[i]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 			return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	return USBPHY_INTERFACE_MODE_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) EXPORT_SYMBOL_GPL(of_usb_get_phy_mode);