linux-kernel - [PATCH v3 8/9] usb: misc: onboard_usb_hub: add VIA LAB VL817 hub support

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Date:   Sat, 21 Jan 2023 17:56:36 +0000
From:   Anand Moon <linux.amoon@...il.com>
To:     Matthias Kaehlcke <mka@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-amlogic@...ts.infradead.org,
        Alexander Stein <alexander.stein@...tq-group.com>,
        Johan Hovold <johan@...nel.org>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 8/9] usb: misc: onboard_usb_hub: add VIA LAB VL817 hub support

VIA LAB VL817 is a 4-port USB 3.1 hub and USB 2.0 root hub
that has a reset pin to toggle and a 5.0V core supply exported
though an integrated LDO is available for powering it.

Add the support for this hub, for controlling the reset pin and
the core power supply.

Add USB device id's for USB 2.0 and USB 3.0 root hub.

Acked-by: Matthias Kaehlcke <mka@...omium.org>
Signed-off-by: Anand Moon <linux.amoon@...il.com>
---
v3 - Add ack Matthias
v2 - fix the compatible string and update the commit message
   - update the USB device id for USB 3.0 and USB 2.0 root hub.
---
 drivers/usb/misc/onboard_usb_hub.c | 3 +++
 drivers/usb/misc/onboard_usb_hub.h | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index 9bf59792fb94..945d4e7125ea 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -335,6 +335,7 @@ static struct platform_driver onboard_hub_driver = {
 #define VENDOR_ID_MICROCHIP	0x0424
 #define VENDOR_ID_REALTEK	0x0bda
 #define VENDOR_ID_TI		0x0451
+#define VENDOR_ID_VIA		0x2109
 
 /*
  * Returns the onboard_hub platform device that is associated with the USB
@@ -417,6 +418,8 @@ static const struct usb_device_id onboard_hub_id_table[] = {
 	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x5414) }, /* RTS5414 USB 2.1 */
 	{ USB_DEVICE(VENDOR_ID_TI, 0x8140) }, /* TI USB8041 3.0 */
 	{ USB_DEVICE(VENDOR_ID_TI, 0x8142) }, /* TI USB8041 2.0 */
+	{ USB_DEVICE(VENDOR_ID_VIA, 0x0817) }, /* VIA VL817 3.1 */
+	{ USB_DEVICE(VENDOR_ID_VIA, 0x2817) }, /* VIA VL817 2.0 */
 	{}
 };
 MODULE_DEVICE_TABLE(usb, onboard_hub_id_table);
diff --git a/drivers/usb/misc/onboard_usb_hub.h b/drivers/usb/misc/onboard_usb_hub.h
index 163fc07abf25..0a943a154649 100644
--- a/drivers/usb/misc/onboard_usb_hub.h
+++ b/drivers/usb/misc/onboard_usb_hub.h
@@ -30,6 +30,10 @@ static const struct onboard_hub_pdata genesys_gl852g_data = {
 	.reset_us = 50,
 };
 
+static const struct onboard_hub_pdata vialab_vl817_data = {
+	.reset_us = 10,
+};
+
 static const struct of_device_id onboard_hub_match[] = {
 	{ .compatible = "usb424,2514", .data = &microchip_usb424_data, },
 	{ .compatible = "usb451,8140", .data = &ti_tusb8041_data, },
@@ -40,6 +44,8 @@ static const struct of_device_id onboard_hub_match[] = {
 	{ .compatible = "usbbda,5411", .data = &realtek_rts5411_data, },
 	{ .compatible = "usbbda,414", .data = &realtek_rts5411_data, },
 	{ .compatible = "usbbda,5414", .data = &realtek_rts5411_data, },
+	{ .compatible = "usb2109,817", .data = &vialab_vl817_data, },
+	{ .compatible = "usb2109,2817", .data = &vialab_vl817_data, },
 	{}
 };
 
-- 
2.38.1