From: Shawn Guo <shawnguo@kernel.org>
To: Richard Zhu <hongxing.zhu@nxp.com>
Cc: l.stach@pengutronix.de, linux-imx@nxp.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mq-evk: add one regulator used to power up pcie phy
Date: Thu, 13 May 2021 15:14:21 +0800 [thread overview]
Message-ID: <20210513071420.GQ3425@dragon> (raw)
In-Reply-To: <1618367174-30968-2-git-send-email-hongxing.zhu@nxp.com>
On Wed, Apr 14, 2021 at 10:26:14AM +0800, Richard Zhu wrote:
> Both 1.8v and 3.3v power supplies can be used by i.MX8MQ PCIe PHY.
> In default, the PCIE_VPH voltage is suggested to be 1.8v refer to data
> sheet. When PCIE_VPH is supplied by 3.3v in the HW schematic design,
> the VREG_BYPASS bits of GPR registers should be cleared from default
> value 1b'1 to 1b'0. Thus, the internal 3v3 to 1v8 translator would be
> turned on.
>
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
> Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Applied, thanks.
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next prev parent reply other threads:[~2021-05-13 7:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-14 2:26 [PATCH] arm64: dts: imx8mq-evk: add one regulator used to power up Richard Zhu
2021-04-14 2:26 ` [PATCH] arm64: dts: imx8mq-evk: add one regulator used to power up pcie phy Richard Zhu
2021-04-14 3:02 ` Richard Zhu
2021-05-13 7:14 ` Shawn Guo [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-03-29 8:06 Richard Zhu
2021-04-26 1:24 ` Shawn Guo
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