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

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Date:   Wed, 23 Aug 2023 08:48:39 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Huqiang Qin <huqiang.qin@...ogic.com>
Cc:     wim@...ux-watchdog.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        neil.armstrong@...aro.org, khilman@...libre.com,
        jbrunet@...libre.com, martin.blumenstingl@...glemail.com,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 3/4] watchdog: Add support for Amlogic-T7 SoCs

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@...ogic.com>
> Reviewed-by: Dmitry Rokosov <ddrokosov@...rdevices.ru>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
> 
> 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);