[RFC v1 1/7] usb: onboard-hub: Add support for Genesys GL852G hub

Anand Moon linux.amoon at gmail.com
Fri May 9 09:02:06 CEST 2025


Add support for the Genesys GL852G USB2.0 Hub on Odroid C1+
and Odroid C2. The GL852G driver trigger hub reset signal
which toggles the gpio.

Signed-off-by: Anand Moon <linux.amoon at gmail.com>
---
Still some issue with USB hub on Odroid C2
=> dm tree

 vidconsole    0  [ + ]   vidconsole0           |   |   `-- vpu at d0100000.vidconsole0
 display       0  [   ]   meson_dw_hdmi         |   |-- hdmi-tx at c883a000
 phy           0  [ + ]   meson_gxbb_usb2_phy   |   |-- phy at c0000020
 usb           0  [ + ]   dwc2_usb              |   `-- usb at c9100000
 usb_hub       0  [ + ]   usb_hub               |       `-- usb_hub
 usb_hub       1  [ + ]   usb_hub               |           `-- usb_hub
 regulator     0  [ + ]   regulator_fixed       |-- regulator-usb-pwrs
---
 common/usb_onboard_hub.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/common/usb_onboard_hub.c b/common/usb_onboard_hub.c
index 7fe62b043e6..39bbc1aefa2 100644
--- a/common/usb_onboard_hub.c
+++ b/common/usb_onboard_hub.c
@@ -227,6 +227,10 @@ static const struct onboard_hub_data usb5744_data = {
 	.reset_us = 5,
 };
 
+static const struct onboard_hub_data genesys_gl852g_data = {
+	.reset_us = 50,
+};
+
 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 */
@@ -237,6 +241,9 @@ static const struct udevice_id usb_onboard_hub_ids[] = {
 	}, {
 		.compatible = "usb424,5744",	/* USB5744 USB 3.0 */
 		.data = (ulong)&usb5744_data,
+	}, {
+		.compatible = "usb5e3,610",     /* GL852G USB 2.0 */
+		.data = (ulong)&genesys_gl852g_data,
 	}
 };
 
-- 
2.49.0



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