On Thu, Nov 3, 2022 at 11:01 PM Shenwei Wang <shenwei.wang@xxxxxxx> wrote: > > > > > -----Original Message----- > > Subject: [PATCH v4 0/5] gpio: add suspend/resume support for i.mx8x SoCs > > > > On i.MX8QM/QXP/DXL SoCs, even a GPIO is selected as the wakeup source, the > > GPIO block will be powered off when system enters into suspend state. This can > > greatly reduce the power consumption of suspend state because the whole > > partition can be shutdown. This is called PAD wakeup feature on i.MX8x > > platform. > > > > This series of patches enable this wakeup feature on i.MX8QM/QXP/DXL > > platforms. > > > > Changes in v4: > > - fixed the format issues reported by Peng Fan. > > - change the return type of mxc_gpio_generic_config, and limit the > > suspend/resume behavior changes only on i.MX8QM/QXP/DXL platform. > > > > A soft ping. 😊 > > Regards, > Shenwei > > > Changes in v3: > > - According to the feedback from Linus Walleij, the wakeup feature is > > moved to pinctrl driver, and the array of gpio-pin mapping is moved > > to gpio device node and initialized via gpio-ranges property. > > > > Shenwei Wang (5): > > arm64: dts: imx8dxl-ss-lsio: add gpio-ranges property > > arm64: dts: imx8qm-ss-lsio: add gpio-ranges property > > arm64: dts: imx8qxp-ss-lsio: add gpio-ranges property > > pinctrl: freescale: add pad wakeup config > > gpio: mxc: enable pad wakeup on i.MX8x platforms > > > > .../boot/dts/freescale/imx8dxl-ss-lsio.dtsi | 41 +++++++++ > > .../boot/dts/freescale/imx8qm-ss-lsio.dtsi | 38 ++++++++ > > .../boot/dts/freescale/imx8qxp-ss-lsio.dtsi | 25 +++++ > > drivers/gpio/gpio-mxc.c | 92 ++++++++++++++++++- > > drivers/pinctrl/freescale/pinctrl-scu.c | 30 ++++++ > > 5 files changed, 225 insertions(+), 1 deletion(-) > > > > -- > > 2.34.1 > GPIO part looks good to me. Acked-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
