/*
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* Provides code common for host and device side USB.
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*
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* (C) Copyright 2016
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* Texas Instruments Incorporated, <www.ti.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <linux/usb/otg.h>
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#include <linux/usb/ch9.h>
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#include <linux/usb/phy.h>
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DECLARE_GLOBAL_DATA_PTR;
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static const char *const usb_dr_modes[] = {
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[USB_DR_MODE_UNKNOWN] = "",
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[USB_DR_MODE_HOST] = "host",
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[USB_DR_MODE_PERIPHERAL] = "peripheral",
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[USB_DR_MODE_OTG] = "otg",
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};
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enum usb_dr_mode usb_get_dr_mode(ofnode node)
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{
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const char *dr_mode;
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int i;
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dr_mode = ofnode_read_string(node, "dr_mode");
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if (!dr_mode) {
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pr_err("usb dr_mode not found\n");
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return USB_DR_MODE_UNKNOWN;
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}
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for (i = 0; i < ARRAY_SIZE(usb_dr_modes); i++)
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if (!strcmp(dr_mode, usb_dr_modes[i]))
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return i;
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return USB_DR_MODE_UNKNOWN;
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}
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static const char *const speed_names[] = {
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[USB_SPEED_UNKNOWN] = "UNKNOWN",
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[USB_SPEED_LOW] = "low-speed",
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[USB_SPEED_FULL] = "full-speed",
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[USB_SPEED_HIGH] = "high-speed",
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[USB_SPEED_WIRELESS] = "wireless",
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[USB_SPEED_SUPER] = "super-speed",
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};
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enum usb_device_speed usb_get_maximum_speed(ofnode node)
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{
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const char *max_speed;
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int i;
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max_speed = ofnode_read_string(node, "maximum-speed");
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if (!max_speed) {
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pr_err("usb maximum-speed not found\n");
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return USB_SPEED_UNKNOWN;
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}
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for (i = 0; i < ARRAY_SIZE(speed_names); i++)
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if (!strcmp(max_speed, speed_names[i]))
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return i;
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return USB_SPEED_UNKNOWN;
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}
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#if CONFIG_IS_ENABLED(OF_LIVE) && CONFIG_IS_ENABLED(DM_USB)
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static const char *const usbphy_modes[] = {
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[USBPHY_INTERFACE_MODE_UNKNOWN] = "",
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[USBPHY_INTERFACE_MODE_UTMI] = "utmi",
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[USBPHY_INTERFACE_MODE_UTMIW] = "utmi_wide",
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};
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enum usb_phy_interface usb_get_phy_mode(ofnode node)
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{
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const char *phy_type;
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int i;
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phy_type = ofnode_get_property(node, "phy_type", NULL);
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if (!phy_type)
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return USBPHY_INTERFACE_MODE_UNKNOWN;
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for (i = 0; i < ARRAY_SIZE(usbphy_modes); i++)
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if (!strcmp(phy_type, usbphy_modes[i]))
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return i;
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return USBPHY_INTERFACE_MODE_UNKNOWN;
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}
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#endif
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