linux-kernel - [PATCH v2 4/9] usb: misc: onboard_usb_hub: add Genesys Logic GL852G hub support

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Message-Id: <20230118044418.875-5-linux.amoon@gmail.com>
Date:   Wed, 18 Jan 2023 04:44:12 +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 v2 4/9] usb: misc: onboard_usb_hub: add Genesys Logic GL852G hub support

Genesys Logic GL852G is a 4-port USB 2.0 STT 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.

Signed-off-by: Anand Moon <linux.amoon@...il.com>
---
v2: - fix the compatible string
    - drop the -OHG suffix from commit message.
    - Add reset delay.
---
 drivers/usb/misc/onboard_usb_hub.c | 1 +
 drivers/usb/misc/onboard_usb_hub.h | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index 94e7966e199d..9bf59792fb94 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -409,6 +409,7 @@ static void onboard_hub_usbdev_disconnect(struct usb_device *udev)
 
 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_MICROCHIP, 0x2514) }, /* USB2514B USB 2.0 */
 	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x0411) }, /* RTS5411 USB 3.1 */
 	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x5411) }, /* RTS5411 USB 2.1 */
diff --git a/drivers/usb/misc/onboard_usb_hub.h b/drivers/usb/misc/onboard_usb_hub.h
index 62129a6a1ba5..163fc07abf25 100644
--- a/drivers/usb/misc/onboard_usb_hub.h
+++ b/drivers/usb/misc/onboard_usb_hub.h
@@ -26,11 +26,16 @@ static const struct onboard_hub_pdata genesys_gl850g_data = {
 	.reset_us = 3,
 };
 
+static const struct onboard_hub_pdata genesys_gl852g_data = {
+	.reset_us = 50,
+};
+
 static const struct of_device_id onboard_hub_match[] = {
 	{ .compatible = "usb424,2514", .data = &microchip_usb424_data, },
 	{ .compatible = "usb451,8140", .data = &ti_tusb8041_data, },
 	{ .compatible = "usb451,8142", .data = &ti_tusb8041_data, },
 	{ .compatible = "usb5e3,608", .data = &genesys_gl850g_data, },
+	{ .compatible = "usb5e3,610", .data = &genesys_gl852g_data, },
 	{ .compatible = "usbbda,411", .data = &realtek_rts5411_data, },
 	{ .compatible = "usbbda,5411", .data = &realtek_rts5411_data, },
 	{ .compatible = "usbbda,414", .data = &realtek_rts5411_data, },
-- 
2.38.1