[PATCH v5 0/3] Add USB2PHY Port Reset Control driver for Renesas RZ/V2H(P) SoC

From: Prabhakar
Date: Tue Apr 15 2025 - 15:52:51 EST


From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Hi All,

This patch series adds support for the USB2PHY Port Reset control driver
for the Renesas RZ/V2H(P) SoC. The changes include documenting the USB2PHY
Port Reset control bindings and adding the driver.

v4->v5
- Added Reviewed-by tag from Biju Das for patch 2/3
- Dropped NULL check for of_device_get_match_data() in probe()
- Dropped dev_set_drvdata() in probe()

v3->v4
- Added Reviewed-by tag from Krzysztof Kozlowski for patch 1/3
- Updated commit message for patch 1/3 as per review comments

v2->v3
- Dropped Acks from Conor and Fabrizio, due to below changes
- Renamed binding renesas,rzv2h-usb2phy-ctrl.yaml to
renesas,rzv2h-usb2phy-reset.yaml
- Renamed node name in example to reset-controller
- Renamed function names in reset-rzv2h-usb2phy.c
- Kept the reset line in asserted state during probe
- Added comment for rzv2h_init_vals[]
- Added entry in MAINTAINERS file

v1->v2
- Dropped binding postfix in subject line for patch 1/2
- Moved acquiring the ctrl2 pin in deassert callback
- Updated ctrl_status_bits

Cheers,
Prabhakar

Lad Prabhakar (3):
dt-bindings: reset: Document RZ/V2H(P) USB2PHY reset
reset: Add USB2PHY port reset driver for Renesas RZ/V2H(P)
MAINTAINERS: Add entry for Renesas RZ/V2H(P) USB2PHY Port Reset driver

.../reset/renesas,rzv2h-usb2phy-reset.yaml | 56 +++++
MAINTAINERS | 8 +
drivers/reset/Kconfig | 7 +
drivers/reset/Makefile | 1 +
drivers/reset/reset-rzv2h-usb2phy.c | 236 ++++++++++++++++++
5 files changed, 308 insertions(+)
create mode 100644 Documentation/devicetree/bindings/reset/renesas,rzv2h-usb2phy-reset.yaml
create mode 100644 drivers/reset/reset-rzv2h-usb2phy.c


base-commit: 5b37f7bfff3b1582c34be8fb23968b226db71ebd
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2.49.0