linux-kernel - [PATCH RFT 0/5] phy: renesas: rcar-gen3-usb2: Fixes for Renesas RZ/G3S

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Message-ID: <20250219160749.1750797-1-claudiu.beznea.uj@bp.renesas.com>
Date: Wed, 19 Feb 2025 18:07:43 +0200
From: Claudiu <claudiu.beznea@...on.dev>
To: yoshihiro.shimoda.uh@...esas.com,
	vkoul@...nel.org,
	kishon@...nel.org,
	horms+renesas@...ge.net.au,
	fabrizio.castro@...renesas.com,
	robh@...nel.org
Cc: claudiu.beznea@...on.dev,
	linux-renesas-soc@...r.kernel.org,
	linux-phy@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH RFT 0/5] phy: renesas: rcar-gen3-usb2: Fixes for Renesas RZ/G3S

From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

Hi,

Series add fixes for the Renesas USB2 PHY driver identified while
working on the Renesas RZ/G3S USB support. These changes are
needed for the upcomming RZ/G3S USB support (especially for the
power management support).

Series (with [1] on top) was tested on Renesas RZ/G3S with consecutive
unbind/bind and data transfer tests before/after the unbind/bind.

The unbind/bind was also tested on the devices with the following
device trees but w/o checking the data transfer (as I only had
remote access w/o USB devices connected):
- r8a7742-iwg21d-q7.dts
- r8a7743-iwg20d-q7.dts
- r8a7744-iwg20d-q7.dts
- r8a7745-iwg22d-sodimm.dts
- r8a77470-iwg23s-sbc.dts
- r8a774a1-hihope-rzg2m-ex.dts
- r8a774b1-hihope-rzg2n-ex.dts
- r8a774e1-hihope-rzg2h-ex.dts
- r9a07g043u11-smarc.dts
- r9a07g044c2-smarc.dts
- r9a07g044l2-smarc.dts
- r9a07g054l2-smarc.dts
- r9a07g043f01-smarc.dts

Please give it a try also on your devices with [1] on top as well.

Thank you,
Claudiu Beznea

Claudiu Beznea (5):
  phy: renesas: rcar-gen3-usb2: Fix role detection on unbind/bind
  phy: renesas: rcar-gen3-usb2: Move IRQ request in probe
  phy: renesas: rcar-gen3-usb2: Lock around hardware registers and
    driver data
  phy: renesas: rcar-gen3-usb2: Assert PLL reset on PHY power off
  phy: renesas: rcar-gen3-usb2: Set timing registers only once

 drivers/phy/renesas/phy-rcar-gen3-usb2.c | 134 +++++++++++++----------
 1 file changed, 74 insertions(+), 60 deletions(-)

-- 
2.43.0