On Thu, 10 Jun 2021 at 07:57, Nandor Han <[email protected]> wrote: > > A use case for controlling the boot mode is when the user wants > to control the device boot by pushing a button without needing to > go in user-space. > > Add a new backed for reboot mode where GPIOs are used to control the > reboot-mode. The driver is able to scan a predefined list of GPIOs > and return the magic value. Having the modes associated with > the magic value generated based on the GPIO values, allows the > reboot mode uclass to select the proper mode. > > Signed-off-by: Nandor Han <[email protected]> > --- > arch/sandbox/dts/test.dts | 8 ++ > configs/sandbox_defconfig | 2 + > .../reboot-mode/reboot-mode-gpio.txt | 20 +++ > drivers/reboot-mode/Kconfig | 9 ++ > drivers/reboot-mode/Makefile | 1 + > drivers/reboot-mode/reboot-mode-gpio.c | 128 ++++++++++++++++++ > include/reboot-mode/reboot-mode-gpio.h | 32 +++++ > test/dm/Makefile | 1 + > test/dm/reboot-mode.c | 42 ++++++ > 9 files changed, 243 insertions(+) > create mode 100644 doc/device-tree-bindings/reboot-mode/reboot-mode-gpio.txt > create mode 100644 drivers/reboot-mode/reboot-mode-gpio.c > create mode 100644 include/reboot-mode/reboot-mode-gpio.h > create mode 100644 test/dm/reboot-mode.c
Reviewed-by: Simon Glass <[email protected]>
