From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Xu Yang <xu.yang_2@nxp.com>,
peter.chen@kernel.org, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, gregkh@linuxfoundation.org
Cc: conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
linux-imx@nxp.com, peng.fan@nxp.com, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org, jun.li@nxp.com
Subject: Re: [PATCH v2 2/3] dt-bindings: usb: ci-hdrc-usb2: add fsl,picophy-rise-fall-time-adjust property
Date: Tue, 27 Jun 2023 15:49:21 +0200 [thread overview]
Message-ID: <90422bdb-4385-b42c-b5f8-541c6c14be6b@linaro.org> (raw)
In-Reply-To: <20230627112126.1882666-2-xu.yang_2@nxp.com>
On 27/06/2023 13:21, Xu Yang wrote:
> The fsl,picophy-rise-fall-time-adjust property can help to adjust the
> rise/fall times of the high-speed transmitter waveform. The value can be
> 0~3. It has no unit. According to the description of USBNC_n_PHY_CFG1
> register, the rise/fall time will be increased or decreased by a certain
> percentage relative to design default time if a value is given to this
> property.
>
> Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
next prev parent reply other threads:[~2023-06-27 13:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-27 11:21 [PATCH v2 1/3] usb: chipidea: imx: improve logic if samsung,picophy-* parameter is 0 Xu Yang
2023-06-27 11:21 ` [PATCH v2 2/3] dt-bindings: usb: ci-hdrc-usb2: add fsl,picophy-rise-fall-time-adjust property Xu Yang
2023-06-27 13:49 ` Krzysztof Kozlowski [this message]
2023-07-10 3:13 ` Peter Chen
2023-06-27 11:21 ` [PATCH v2 3/3] usb: chipidea: imx: add one fsl picophy parameter tuning implementation Xu Yang
2023-07-10 3:12 ` Peter Chen
2023-07-10 3:03 ` [PATCH v2 1/3] usb: chipidea: imx: improve logic if samsung,picophy-* parameter is 0 Peter Chen
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