Hi All, What about modelling VBUSEN as a regulator? USB phy ctrl driver shares the resource to VBUSEN regulator driver for enable/disable VBUS and PHY driver uses regulator to control the VBUS?? + DT as it involves different modelling Cheers, Biju > -----Original Message----- > From: Biju Das > Sent: Tuesday, February 27, 2024 12:03 PM > Subject: RE: [PATCH RFC 0/3] Support VBUSEN selection control for RZ/G2L > > Hi All, > > > -----Original Message----- > > From: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > > Sent: Thursday, May 18, 2023 4:57 PM > > To: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> > > Cc: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>; Vinod Koul > > <vkoul@xxxxxxxxxx>; Kishon Vijay Abraham I <kishon@xxxxxxxxxx>; > > linux-phy@xxxxxxxxxxxxxxxxxxx; Geert Uytterhoeven > > <geert+renesas@xxxxxxxxx>; Fabrizio Castro > > <fabrizio.castro.jz@xxxxxxxxxxx>; linux-renesas-soc@xxxxxxxxxxxxxxx > > Subject: [PATCH RFC 0/3] Support VBUSEN selection control for RZ/G2L > > > > This patch series aims to add support for VBUSEN selection control for > > RZ/G2L alike SoCs. > > > > As per RZ/G2L HW(Rev.1.30 May2023) manual, VBUSEN can be controlled by > > the Port Power bit of the EHCI/OHCI operational register or by the > > VBOUT bit of the VBUS Control Register. > > > > A reset consumer(phy-rcar-gen3-usb2) needs to find the reset > > controller device and then call the provider(reset-rzg2l-usbphy-ctrl) > > to configure it. > > > > Please share your thoughts on this patch series. > > Gentle ping for this RFC series. Is this series is in the right direction? > > Cheers, > Biju > > > > > Biju Das (3): > > reset: Add reset_controller_get_dev() > > reset: renesas: Add rzg2l_usbphy_ctrl_select_vbus_ctrl() > > phy: renesas: phy-rcar-gen3-usb2: Control VBUSEN selection > > > > drivers/phy/renesas/phy-rcar-gen3-usb2.c | 9 ++++++++ > > drivers/reset/core.c | 14 ++++++++++++ > > drivers/reset/reset-rzg2l-usbphy-ctrl.c | 27 ++++++++++++++++++++++++ > > include/linux/reset-controller.h | 9 ++++++++ > > include/linux/reset/rzg2l-usbphy-ctrl.h | 16 ++++++++++++++ > > 5 files changed, 75 insertions(+) > > create mode 100644 include/linux/reset/rzg2l-usbphy-ctrl.h > > > > -- > > 2.25.1
