Re: [PATCH V2 3/4] watchdog: Add support for Amlogic-T7 SoCs

From: Guenter Roeck
Date: Wed Aug 23 2023 - 11:48:43 EST


On Wed, Aug 02, 2023 at 11:32:21AM +0800, Huqiang Qin wrote:
> Compared with the previous Amlogic-GXBB, the watchdog of Amlogic-T7
> has a different reset enable bit.
>
> Signed-off-by: Huqiang Qin <huqiang.qin@xxxxxxxxxxx>
> Reviewed-by: Dmitry Rokosov <ddrokosov@xxxxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
>
> V1 -> V2: Use the BIT() macro to build rst initial value.
>
> drivers/watchdog/meson_gxbb_wdt.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/watchdog/meson_gxbb_wdt.c b/drivers/watchdog/meson_gxbb_wdt.c
> index 18180d91543e..a48622d11ad7 100644
> --- a/drivers/watchdog/meson_gxbb_wdt.c
> +++ b/drivers/watchdog/meson_gxbb_wdt.c
> @@ -147,8 +147,13 @@ static const struct wdt_params gxbb_params = {
> .rst = BIT(21),
> };
>
> +static const struct wdt_params t7_params = {
> + .rst = BIT(22),
> +};
> +
> static const struct of_device_id meson_gxbb_wdt_dt_ids[] = {
> { .compatible = "amlogic,meson-gxbb-wdt", .data = &gxbb_params, },
> + { .compatible = "amlogic,t7-wdt", .data = &t7_params, },
> { /* sentinel */ },
> };
> MODULE_DEVICE_TABLE(of, meson_gxbb_wdt_dt_ids);