Re: [TF-A] [PATCHv8 1/3] hw: gpio: implement gpio-pwr driver for qemu reset/poweroff

On Wed, 20 Jan 2021 at 09:27, Maxim Uvarov maxim.uvarov@linaro.org wrote:

Implement gpio-pwr driver to allow reboot and poweroff machine. This is simple driver with just 2 gpios lines. Current use case is to reboot and poweroff virt machine in secure mode. Secure pl066 gpio chip is needed for that.

Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org Reviewed-by: Hao Wu wuhaotsh@google.com

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hw/gpio/Kconfig | 3 ++ hw/gpio/gpio_pwr.c | 70 +++++++++++++++++++++++++++++++++++++++++++++ hw/gpio/meson.build | 1 + 3 files changed, 74 insertions(+) create mode 100644 hw/gpio/gpio_pwr.c

Reviewed-by: Peter Maydell peter.maydell@linaro.org

thanks -- PMM