From: Vinod Koul <vkoul@kernel.org>
To: "Łukasz Lebiedziński" <kernel@lvkasz.us>
Cc: neil.armstrong@linaro.org, krzk@kernel.org,
alim.akhtar@samsung.com, andre.draszik@linaro.org,
pritam.sutar@samsung.com, kauschluss@disroot.org,
johan@kernel.org, ivo.ivanov.ivanov1@gmail.com,
linux-phy@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Subject: Re: [PATCH v2] phy: exynos5-usbdrd: fix USB 2.0 HS PHY tuning values for Exynos7870
Date: Sun, 10 May 2026 17:53:48 +0530 [thread overview]
Message-ID: <177841582887.420676.2529810300062190966.b4-ty@kernel.org> (raw)
In-Reply-To: <20260406135627.234835-1-kernel@lvkasz.us>
On Mon, 06 Apr 2026 15:56:27 +0200, Łukasz Lebiedziński wrote:
> The existing PHYPARAM0 tuning values for Exynos7870 are incorrect,
> causing the USB 2.0 PHY to fail high-speed negotiation and fall back
> to full-speed (12Mbps) operation.
>
> Fix TXVREFTUNE (transmitter voltage reference) from 14 to 3,
> TXRESTUNE (transmitter impedance) from 3 to 2, and SQRXTUNE
> (squelch threshold) from 6 to 5. Also explicitly set
> TXPREEMPPULSETUNE to 0, which was previously missing from the
> tuning table despite being included in the register mask.
>
> [...]
Applied, thanks!
[1/1] phy: exynos5-usbdrd: fix USB 2.0 HS PHY tuning values for Exynos7870
commit: 5a759b120e31aa3ed914d98b51eb1755235250f2
Best regards,
--
~Vinod
prev parent reply other threads:[~2026-05-10 12:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-06 13:56 [PATCH v2] phy: exynos5-usbdrd: fix USB 2.0 HS PHY tuning values for Exynos7870 Łukasz Lebiedziński
2026-04-20 16:51 ` Łukasz Lebiedziński
2026-05-10 12:23 ` Vinod Koul [this message]
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