linux-kernel - RE: [PATCH 0/3] Add and enable USB nodes for ExynosAutov920 SoC

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Message-ID: <000001dc8b8a$543269d0$fc973d70$@samsung.com>
Date: Thu, 22 Jan 2026 16:01:51 +0530
From: "Pritam Manohar Sutar" <pritam.sutar@...sung.com>
To: <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
	<alim.akhtar@...sung.com>
Cc: <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-samsung-soc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<rosa.pila@...sung.com>, <dev.tailor@...sung.com>, <faraz.ata@...sung.com>,
	<muhammed.ali@...sung.com>, <selvarasu.g@...sung.com>
Subject: RE: [PATCH 0/3] Add and enable USB nodes for ExynosAutov920 SoC

Hi All, 

> -----Original Message-----
> From: Pritam Manohar Sutar <pritam.sutar@...sung.com>
> Sent: 24 October 2025 05:19 PM
> To: robh@...nel.org; krzk+dt@...nel.org; conor+dt@...nel.org;
> alim.akhtar@...sung.com
> Cc: devicetree@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; linux-
> samsung-soc@...r.kernel.org; linux-kernel@...r.kernel.org;
> rosa.pila@...sung.com; dev.tailor@...sung.com; faraz.ata@...sung.com;
> muhammed.ali@...sung.com; selvarasu.g@...sung.com;
> pritam.sutar@...sung.com
> Subject: [PATCH 0/3] Add and enable USB nodes for ExynosAutov920 SoC
> 
> This SoC has 2 USB typeC and 2 typeA ports those are DWC3 DRD controllers and
> amoung them, one is USB3.1 DRD combo phy and three
> USB2.0 phy controllers. This patchset adds and enables USB and USB-PHY nodes
> in dts.
> 
> PMIC driver is not implmented yet, we rely on USB LDOs being enabled by the
> bootloader and used dummy regulators for now.
> 
> To drive vbus for host mode, it needs GPIO pin to enable vbus regulator.
> GPIO expander is present in the dts, we used it to enable the vbus regulator
> using GPIO.
> 
> USB ports are configured as OTG, and default mode is configured as peripheral.
> These configurations might be changed based on requirements.
> 
> This patchset has dependancy on schema and driver implementation[1] and role
> switch control from userspace[2] patches.
> [1]: https://lore.kernel.org/linux-phy/20251010070912.3758334-1-
> pritam.sutar@...sung.com/
> [2]: https://lore.kernel.org/linux-usb/20251024085455.789555-1-
> pritam.sutar@...sung.com/

Above dependent patches are merged, can you please review the patchset? 

> 
> Pritam Manohar Sutar (3):
>   arm64: dts: exynos: ExynosAutov920: Add USB and USB-phy nodes
>   arm64: dts: exynos: ExynosAutov920: Add regulators for the USB
>   arm64: dts: exynos: ExynosAutov920: Enable USB nodes
> 
>  .../boot/dts/exynos/exynosautov920-sadk.dts   | 160 +++++++++++++++++
>  .../arm64/boot/dts/exynos/exynosautov920.dtsi | 162 ++++++++++++++++++
>  2 files changed, 322 insertions(+)
> 
> --
> 2.34.1

Thank you, 

Regards,
Pritam