linux-kernel - [PATCH] usb: misc: onboard_hub: add support for Microchip USB2412 USB 2.0 hub

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Message-Id: <20230911-topic-2412_onboard_hub-v1-1-7704181ddfff@wolfvision.net>
Date:   Mon, 11 Sep 2023 10:22:38 +0200
From:   Javier Carrasco <javier.carrasco@...fvision.net>
To:     Matthias Kaehlcke <mka@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Javier Carrasco <javier.carrasco@...fvision.net>
Subject: [PATCH] usb: misc: onboard_hub: add support for Microchip USB2412
 USB 2.0 hub

The USB2412 is a 2-Port USB 2.0 hub controller that provides a reset pin
and a single 3v3 powre source, which makes it suitable to be controlled
by the onboard_hub driver.

This hub has the same reset timings as USB2514/2517 and the same
onboard hub specific-data can be reused for USB2412.

Signed-off-by: Javier Carrasco <javier.carrasco@...fvision.net>
---
 drivers/usb/misc/onboard_usb_hub.c | 1 +
 drivers/usb/misc/onboard_usb_hub.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index 3da1a4659c5f..57bbe1309094 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -434,6 +434,7 @@ static const struct usb_device_id onboard_hub_id_table[] = {
 	{ USB_DEVICE(VENDOR_ID_GENESYS, 0x0608) }, /* Genesys Logic GL850G USB 2.0 */
 	{ USB_DEVICE(VENDOR_ID_GENESYS, 0x0610) }, /* Genesys Logic GL852G USB 2.0 */
 	{ USB_DEVICE(VENDOR_ID_GENESYS, 0x0620) }, /* Genesys Logic GL3523 USB 3.1 */
+	{ USB_DEVICE(VENDOR_ID_MICROCHIP, 0x2412) }, /* USB2412 USB 2.0 */
 	{ USB_DEVICE(VENDOR_ID_MICROCHIP, 0x2514) }, /* USB2514B USB 2.0 */
 	{ USB_DEVICE(VENDOR_ID_MICROCHIP, 0x2517) }, /* USB2517 USB 2.0 */
 	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x0411) }, /* RTS5411 USB 3.1 */
diff --git a/drivers/usb/misc/onboard_usb_hub.h b/drivers/usb/misc/onboard_usb_hub.h
index 4026ba64c592..2a4ab5ac0ebe 100644
--- a/drivers/usb/misc/onboard_usb_hub.h
+++ b/drivers/usb/misc/onboard_usb_hub.h
@@ -47,6 +47,7 @@ static const struct onboard_hub_pdata vialab_vl817_data = {
 };
 
 static const struct of_device_id onboard_hub_match[] = {
+	{ .compatible = "usb424,2412", .data = &microchip_usb424_data, },
 	{ .compatible = "usb424,2514", .data = &microchip_usb424_data, },
 	{ .compatible = "usb424,2517", .data = &microchip_usb424_data, },
 	{ .compatible = "usb451,8140", .data = &ti_tusb8041_data, },

---
base-commit: 0bb80ecc33a8fb5a682236443c1e740d5c917d1d
change-id: 20230911-topic-2412_onboard_hub-1d7747e84ac6

Best regards,
-- 
Javier Carrasco <javier.carrasco@...fvision.net>