[PATCH v2 0/1] add USB PHY node and USB OTG pinctrl support to S32G2/S32G3 SoCs

[Enric Balletbo i Serra]

Hi,

On Wed, May 20, 2026 at 5:10 PM Khristine Andreea Barbulescu
<khristineandreea.barbulescu at oss.nxp.com> wrote:
>
> This patchset aims to add two changes to the S32G2/S32G3 dtsi support:
> - Add the usbphynop node for S32G SoC based boards
> - Add the usbotg pinctrl support for S32G SoC based boards
>
> v2 -> v1:
> - use hyphenated naming for USB OTG pin groups
> - replace deprecated 'fsl,usbphy' with 'phys'
> - move 'usbphynop' node to the SoC-level dtsi
>
> Khristine Andreea Barbulescu (1):
>   arm64: dts: Add usbphynop and usbotg pinctrl for S32G platforms
>
>  arch/arm64/boot/dts/freescale/s32g2.dtsi      |  7 ++-
>  arch/arm64/boot/dts/freescale/s32g3.dtsi      |  7 ++-
>  .../boot/dts/freescale/s32gxxxa-evb.dtsi      | 46 ++++++++++++++++++-
>  .../boot/dts/freescale/s32gxxxa-rdb.dtsi      | 46 ++++++++++++++++++-
>  4 files changed, 102 insertions(+), 4 deletions(-)
>
> --
> 2.34.1
>

I tested the bindings on my S32G-VNP-RDB3 board by connecting
different devices (mass storage, mouse and
keyboard) in host mode and got them working, so

Tested-by: Enric Balletbo i Serra <eballetb at redhat.com>

[   32.957280] usbcore: registered new interface driver usbhid
[   32.957285] usbhid: USB HID core driver
[   39.683065] usb_phy_generic usbphynop: dummy supplies not allowed
for exclusive requests (id=vbus)
[   39.945747] imx_usb 44064000.usb: No over current polarity defined
[   39.999412] usb usb1: New USB device found, idVendor=1d6b,
idProduct=0002, bcdDevice= 7.01
[   39.999422] usb usb1: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[   39.999429] usb usb1: Product: EHCI Host Controller
[   39.999435] usb usb1: Manufacturer: Linux 7.1.0-rc4+ ehci_hcd
[   39.999440] usb usb1: SerialNumber: ci_hdrc.0
[   40.575296] usb 1-1: new high-speed USB device number 2 using ci_hdrc
[   40.747558] usb 1-1: New USB device found, idVendor=0781,
idProduct=5567, bcdDevice= 1.00
[   40.747578] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   40.747585] usb 1-1: Product: Cruzer Blade
[   40.747591] usb 1-1: Manufacturer: SanDisk
[   40.747596] usb 1-1: SerialNumber: 4C530001310712110235

# cat /sys/kernel/debug/ulpi/ci_hdrc.0.ulpi/regs
Vendor ID Low                24
Vendor ID High               04
Product ID Low               09
Product ID High              00
Function Control             40
Interface Control            08
OTG Control                  27
USB Interrupt Enable Rising  1f
USB Interrupt Enable Falling 1f
USB Interrupt Status         04
USB Interrupt Latch          0c
Debug                        00
Scratch Register             00
Carkit Control               00
Carkit Interrupt Delay       00
Carkit Interrupt Enable      00
Carkit Interrupt Status      00
Carkit Interrupt Latch       00
Carkit Pulse Control         00
Transmit Positive Width      00
Transmit Negative Width      00
Receive Polarity Recovery    00

# lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0781:5567 SanDisk Corp. Cruzer Blade

Cheers,
  Enric