From: Drew Fustini <fustini@kernel.org>
To: Icenowy Zheng <zhengxingda@iscas.ac.cn>
Cc: Vinod Koul <vkoul@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Wei Fu <wefu@redhat.com>,
Drew Fustini <dfustini@tenstorrent.com>,
Jisheng Zhang <jszhang@kernel.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Han Gao <rabenda.cn@gmail.com>,
Yao Zi <ziyao@disroot.org>, Icenowy Zheng <uwu@icenowy.me>
Subject: Re: [PATCH v2 2/2] phy: add a driver for T-Head TH1520 USB PHY
Date: Tue, 28 Jul 2026 14:44:46 -0700 [thread overview]
Message-ID: <amkizlBd6lUUG08g@x1> (raw)
In-Reply-To: <20260723084316.3573714-3-zhengxingda@iscas.ac.cn>
On Thu, Jul 23, 2026 at 04:43:16PM +0800, Icenowy Zheng wrote:
> The USB PHY on T-Head TH1520 SoC is a Synopsys USB 3.0 FemtoPHY, with
> some PHY parameters exported as another system controller along with it.
>
> As a few PHY parameters' default value isn't ready to work, add a driver
> configuring them before letting the PHY run, in addition to
> clock/reset/regulator management.
The second paragragh might read better as:
"A few PHY parameters have unusable defaults. Add a driver that programs
them before releasing the PHY from reset. [..]"
Thanks,
Drew
prev parent reply other threads:[~2026-07-28 21:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-23 8:43 [PATCH v2 0/2] phy: add support for TH1520 USB PHY Icenowy Zheng
2026-07-23 8:43 ` [PATCH v2 1/2] dt-bindings: phy: add binding for T-Head " Icenowy Zheng
2026-07-23 8:47 ` sashiko-bot
2026-07-23 14:05 ` Icenowy Zheng
2026-07-28 23:38 ` Drew Fustini
2026-07-23 14:09 ` Icenowy Zheng
2026-07-28 21:08 ` Drew Fustini
2026-07-23 8:43 ` [PATCH v2 2/2] phy: add a driver " Icenowy Zheng
2026-07-23 8:55 ` sashiko-bot
2026-07-28 21:44 ` Drew Fustini [this message]
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