usb: onboard-hub: Add support for Corechips SL6341 USB 2.0/3.0 hub controller

Corechips SL6341 is a 4-port USB 2.0 and 3.0 hub controller. It always
requires external 1V1 power and can optionally use external 3V3 power
(or alternatively it has a 5V->3V3 LDO built in to derive 3V3 power from
VBUS). It also exposes a reset pin.

Device tree bindings are merged for upstream release with Linux 7.1 as
commit bfcb86e58f3a ("dt-bindings: usb: Add Corechips SL6341 USB2.0/3.0
hub controller") [1]

Link: https://github.com/torvalds/linux/commit/bfcb86e58f3a58d05b95970d81b94cb011982780 [1]
Signed-off-by: Alexey Charkov <alchark@flipper.net>
Reviewed-by: Marek Vasut <marek.vasut+usb@mailbox.org>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
This commit is contained in:
Alexey Charkov
2026-06-25 00:06:47 +02:00
committed by Marek Vasut
parent fcda974e36
commit f519a74a32
+13 -1
View File
@@ -262,6 +262,12 @@ static int usb_onboard_hub_remove(struct udevice *dev)
return ret;
}
static const struct onboard_hub_data corechips_sl6341_data = {
.reset_us = 10000,
.num_supplies = 2,
.supply_names = { "vdd1v1-supply", "vdd3v3-supply" },
};
static const struct onboard_hub_data usb2514_data = {
.power_on_delay_us = 500,
.reset_us = 1,
@@ -285,7 +291,13 @@ static const struct onboard_hub_data usbhx3_data = {
static const struct udevice_id usb_onboard_hub_ids[] = {
/* Use generic usbVID,PID dt-bindings (usb-device.yaml) */
{ .compatible = "usb424,2514", /* USB2514B USB 2.0 */
{ .compatible = "usb3431,6241", /* Corechips SL6341 USB 2.0 */
.data = (ulong)&corechips_sl6341_data,
}, {
.compatible = "usb3431,6341", /* Corechips SL6341 USB 3.0 */
.data = (ulong)&corechips_sl6341_data,
}, {
.compatible = "usb424,2514", /* USB2514B USB 2.0 */
.data = (ulong)&usb2514_data,
}, {
.compatible = "usb424,2744", /* USB2744 USB 2.0 */