[PATCH v1 0/7] Add vpcie3v3aux regulator for i.MX PCIe M.2 connector

[Richard Zhu]

Refer to PCI Express M.2 Specification r5.1 sec3.1.1 Power Sources and
Grounds.

PCI Express M.2 Socket 1 utilizes a 3.3 V power source. The voltage
source, 3.3 V, is expected to be available during the system’s
stand-by/suspend state to support wake event processing on the
communications card.

But the current vpcie regulator may be gated off during system suspend. To
avoid the DT back-compatibility break, add vpcie3v3aux regulator to let this
3.3 V power source always on for PCIe M.2 Key E connector on the boards.

[PATCH v1 1/7] arm64: dts: imx8dxl-evk: Add vpcie3v3aux regulator for
[PATCH v1 2/7] arm64: dts: imx8mp-evk: Add vpcie3v3aux regulator for
[PATCH v1 3/7] arm64: dts: imx8mq-evk: Add vpcie3v3aux regulator for
[PATCH v1 4/7] arm64: dts: imx8qm-mek: Add vpcie3v3aux regulator for
[PATCH v1 5/7] arm64: dts: imx8qxp-mek: Add vpcie3v3aux regulator for
[PATCH v1 6/7] arm64: dts: imx95-15x15-evk: Add vpcie3v3aux regulator
[PATCH v1 7/7] arm64: dts: imx95-19x19-evk: Add vpcie3v3aux regulator

arch/arm64/boot/dts/freescale/imx8dxl-evk.dts     | 1 +
arch/arm64/boot/dts/freescale/imx8mp-evk.dts      | 1 +
arch/arm64/boot/dts/freescale/imx8mq-evk.dts      | 1 +
arch/arm64/boot/dts/freescale/imx8qm-mek.dts      | 1 +
arch/arm64/boot/dts/freescale/imx8qxp-mek.dts     | 1 +
arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts | 1 +
arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 2 ++
7 files changed, 8 insertions(+)