linux-kernel - [PATCH v2 0/3] Add and enable USB nodes for ExynosAutov920 SoC

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Message-Id: <20260122130721.205664-1-pritam.sutar@samsung.com>
Date: Thu, 22 Jan 2026 18:37:18 +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, pritam.sutar@...sung.com
Subject: [PATCH v2 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 among them, one single USB3.1 DRD combo phy and three
USB2.0 only phy controllers. This patchset adds and enables USB and
USB-PHY nodes in dts.

PMIC is not implemented 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 regulator
using GPIO.

USB ports are configured as OTG, and default mode is configured as
peripheral. It will be changed based on requirements.

changelog
----------
Changes in v2:
- As v1 was pushed 3 months back, resending this patchset.
- Since dependencies are merged, removed links from coverletter.
  link for v1: https://lore.kernel.org/linux-devicetree/20251024114845.2395166-1-pritam.sutar@samsung.com/

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