Messages in this thread | | | Date | Thu, 13 May 2021 15:14:21 +0800 | From | Shawn Guo <> | Subject | Re: [PATCH] arm64: dts: imx8mq-evk: add one regulator used to power up pcie phy |
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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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