[PATCH v2 01/20] wdt: imx8qxp: add option to control external PMIC wdt via IMX8 SCU

[Sverdlin, Alexander]

On Mon, 2024-11-18 at 07:26 +0100, Heiko Schocher wrote:
> Driver for a PMIC watchdog timer controlled via Siemens SCU firmware
> extensions. Only useful on some Siemens i.MX8-based platforms as
> special SCFW is needed which provides the needed SCU API.
> 
> Signed-off-by: Andrej Valek <andrej.valek at siemens.com>
> Signed-off-by: Heiko Schocher <hs at denx.de>

Reviewed-by: Alexander Sverdlin <alexander.sverdlin at siemens.com>

> ---
> 
> Changes in v2:
> - work on comments from Stefan:
>   - rename driver file from scu_wdt.c to scu_pmic_wdt.c
>   - rename Kconfig symbol from CONFIG_WDT_IMX_SCU to CONFIG_WDT_SCU_PMIC
>   - reworked Kconfig help text
>   - add comment that TIMER_FUNC_CTRL_PMIC_WDOG is a siemens specific
>     SCU API extension in their SCFW.
>   - reworked commit message
> 
>  drivers/misc/imx8/scu_api.c     | 21 ++++++++++++
>  drivers/watchdog/Kconfig        |  7 ++++
>  drivers/watchdog/Makefile       |  1 +
>  drivers/watchdog/scu_pmic_wdt.c | 59 +++++++++++++++++++++++++++++++++
>  include/firmware/imx/sci/rpc.h  |  3 ++
>  include/firmware/imx/sci/sci.h  |  1 +
>  6 files changed, 92 insertions(+)
>  create mode 100644 drivers/watchdog/scu_pmic_wdt.c

-- 
Alexander Sverdlin
Siemens AG
www.siemens.com