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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB5853.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 32072052-4142-43c1-c3ac-08d8fef1b33c X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Apr 2021 03:02:11.8903 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: jutvDhDS+0t/1SfL8UKBCVehH5P4lq+7m5L4C/ScI8+XWrViUjpZR/DCTCkEKH74VJW5oqlSXkbtlsNe+N4RFQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB3200 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Shawn: Regarding Lucas' advice, this patch should be split out and post for you to= pick up into DT tree. Since the other two patches are accepted by PCIe tree now. Can you help to pick up this patch? Thanks in advanced. https://patchwork.kernel.org/project/linux-pci/patch/1616661882-26487-3-git= -send-email-hongxing.zhu@nxp.com/ https://patchwork.kernel.org/project/linux-pci/patch/1617091701-6444-2-git-= send-email-hongxing.zhu@nxp.com/ Best Regards Richard Zhu > -----Original Message----- > From: Richard Zhu > Sent: Wednesday, April 14, 2021 10:26 AM > To: shawnguo@kernel.org > Cc: l.stach@pengutronix.de; dl-linux-imx ; > linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org; Richa= rd > Zhu > Subject: [PATCH] arm64: dts: imx8mq-evk: add one regulator used to power > up pcie phy >=20 > 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 sh= eet. > 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. >=20 > Signed-off-by: Richard Zhu > Reviewed-by: Lucas Stach > --- > arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 1 + > 1 file changed, 1 insertion(+) >=20 > diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts > b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts > index 85b045253a0e..4d2035e3dd7c 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts > @@ -318,6 +318,7 @@ > <&clk IMX8MQ_CLK_PCIE1_PHY>, > <&pcie0_refclk>; > clock-names =3D "pcie", "pcie_aux", "pcie_phy", "pcie_bus"; > + vph-supply =3D <&vgen5_reg>; > status =3D "okay"; > }; >=20 > -- > 2.17.1