From: Andrejs Cainikovs <andrejs.cainikovs@gmail.com>
To: b-liu@ti.com
Cc: afd@ti.com, conor+dt@kernel.org, conor@kernel.org,
devicetree@vger.kernel.org, kristo@kernel.org,
krzysztof.kozlowski+dt@linaro.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, nm@ti.com, r-gunasekaran@ti.com,
robh+dt@kernel.org, rogerq@kernel.org, srk@ti.com,
vigneshr@ti.com,
Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
Subject: Re: [PATCH v3 5/5] usb: dwc3-am62: add workaround for Errata i2409
Date: Wed, 14 Feb 2024 12:27:08 +0100 [thread overview]
Message-ID: <20240214112708.157743-1-andrejs.cainikovs@gmail.com> (raw)
In-Reply-To: <20240201183522.ssj553rwefr2wuqi@iaqt7>
> All AM62 devices have Errata i2409 [1] due to which
> USB2 PHY may lock up due to short suspend.
>
> Workaround involves setting bit 5 and 4 PLL_REG12
> in PHY2 register space after USB controller is brought
> out of LPSC reset but before controller initialization.
>
> Handle this workaround.
Tested-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
You have requested [1] to check whether this patch
fixes issues I observed, and I can confirm it does.
[1]: https://lore.kernel.org/all/2629cd30-23aa-4f03-8452-ae13297fd6b6@kernel.org/
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next prev parent reply other threads:[~2024-02-14 11:27 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-01 12:03 [PATCH v3 0/5] arm64: dts: ti: am62: Add USB support for k3-am62p Roger Quadros
2024-02-01 12:03 ` [PATCH v3 1/5] dt-bindings: mfd: syscon: Add ti,am62-usb-phy-ctrl compatible Roger Quadros
2024-02-02 20:26 ` Rob Herring
2024-02-01 12:03 ` [PATCH v3 2/5] arm64: dts: ti: k3-am62/a: use sub-node for USB_PHY_CTRL registers Roger Quadros
2024-02-01 15:23 ` Andrew Davis
2024-02-01 12:03 ` [PATCH v3 3/5] arm64: dts: ti: k3-am62p: add the USB sub-system Roger Quadros
2024-02-01 12:03 ` [PATCH v3 4/5] dt-bindings: usb/ti,am62-usb.yaml: Add PHY2 register space Roger Quadros
2024-02-01 18:15 ` Conor Dooley
2024-02-01 18:18 ` Conor Dooley
2024-02-01 18:35 ` Bin Liu
2024-02-01 19:13 ` Conor Dooley
2024-02-02 9:36 ` Roger Quadros
2024-02-02 9:53 ` Conor Dooley
2024-02-02 10:13 ` Roger Quadros
2024-02-02 12:18 ` Nishanth Menon
2024-02-02 13:59 ` Roger Quadros
2024-02-02 14:59 ` Nishanth Menon
2024-02-02 16:39 ` Conor Dooley
2024-02-14 11:27 ` Andrejs Cainikovs [this message]
2024-02-01 12:03 ` [PATCH v3 5/5] arm64: dts: ti: k3-am62*: Add PHY2 region to USB wrapper node Roger Quadros
2024-04-08 9:52 ` Francesco Dolcini
2024-04-12 11:39 ` Roger Quadros
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