[PATCH v3 1/2] regulator: rzg2l: implement connectivity notification
Michele Bisogno
micbis.openwrt at gmail.com
Thu Apr 16 17:38:26 CEST 2026
Implement CON_CTRL manual connectivity notification.
By setting SEL_CONNECT and CONNECT_1, the UTM+ core is notified of
connection status in peripheral mode.
Signed-off-by: Michele Bisogno <micbis.openwrt at gmail.com>
---
drivers/power/regulator/rzg2l-usbphy-regulator.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/power/regulator/rzg2l-usbphy-regulator.c b/drivers/power/regulator/rzg2l-usbphy-regulator.c
index 0354555d0b5..03f8dec4f08 100644
--- a/drivers/power/regulator/rzg2l-usbphy-regulator.c
+++ b/drivers/power/regulator/rzg2l-usbphy-regulator.c
@@ -9,16 +9,22 @@
#include <renesas/rzg2l-usbphy.h>
#define VBENCTL 0x03c
+#define CON_CTRL 0x020
#define VBENCTL_VBUS_SEL BIT(0)
+#define SEL_CONNECT BIT(4)
+#define CONNECT_1 BIT(0)
static int rzg2l_usbphy_regulator_set_enable(struct udevice *dev, bool enable)
{
struct rzg2l_usbphy_ctrl_priv *priv = dev_get_priv(dev->parent);
- if (enable)
+ if (enable) {
clrbits_le32(priv->regs + VBENCTL, VBENCTL_VBUS_SEL);
- else
+ setbits_le32(priv->regs + CON_CTRL, SEL_CONNECT | CONNECT_1);
+ } else {
setbits_le32(priv->regs + VBENCTL, VBENCTL_VBUS_SEL);
+ clrbits_le32(priv->regs + CON_CTRL, SEL_CONNECT | CONNECT_1);
+ }
return 0;
}
--
2.34.1
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