linux-kernel - Re: [PATCH v12 4/4] watchdog: mtk_wdt: mt2712: Add reset controller

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Date:   Thu, 23 Jan 2020 12:54:58 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Yong Liang <yong.liang@...iatek.com>
Cc:     wim@...ux-watchdog.org, p.zabel@...gutronix.de,
        matthias.bgg@...il.com, linux-watchdog@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        chang-an.chen@...iatek.com, freddy.hsin@...iatek.com,
        jiaxin.yu@...iatek.com, yingjoe.chen@...iatek.com, sboyd@...nel.org
Subject: Re: [PATCH v12 4/4] watchdog: mtk_wdt: mt2712: Add reset controller

On Wed, Jan 15, 2020 at 04:58:28PM +0800, Yong Liang wrote:
> From: "yong.liang" <yong.liang@...iatek.com>
> 
> Add reset controller for 2712.
> Besides watchdog, MTK toprgu module alsa provide sub-system (eg, audio,
> camera, codec and connectivity) software reset functionality.
> 
> Signed-off-by: yong.liang <yong.liang@...iatek.com>
> Signed-off-by: Jiaxin Yu <jiaxin.yu@...iatek.com>
> Reviewed-by: Yingjoe Chen <yingjoe.chen@...iatek.com>
> Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>
> Acked-by: Matthias Brugger <matthias.bgg@...il.com>

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

> ---
>  drivers/watchdog/mtk_wdt.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
> index e88aacb0404d..d6a6393f609d 100644
> --- a/drivers/watchdog/mtk_wdt.c
> +++ b/drivers/watchdog/mtk_wdt.c
> @@ -9,6 +9,7 @@
>   * Based on sunxi_wdt.c
>   */
>  
> +#include <dt-bindings/reset-controller/mt2712-resets.h>
>  #include <dt-bindings/reset-controller/mt8183-resets.h>
>  #include <linux/delay.h>
>  #include <linux/err.h>
> @@ -67,6 +68,10 @@ struct mtk_wdt_data {
>  	int toprgu_sw_rst_num;
>  };
>  
> +static const struct mtk_wdt_data mt2712_data = {
> +	.toprgu_sw_rst_num = MT2712_TOPRGU_SW_RST_NUM,
> +};
> +
>  static const struct mtk_wdt_data mt8183_data = {
>  	.toprgu_sw_rst_num = MT8183_TOPRGU_SW_RST_NUM,
>  };
> @@ -314,6 +319,7 @@ static int mtk_wdt_resume(struct device *dev)
>  #endif
>  
>  static const struct of_device_id mtk_wdt_dt_ids[] = {
> +	{ .compatible = "mediatek,mt2712-wdt", .data = &mt2712_data },
>  	{ .compatible = "mediatek,mt6589-wdt" },
>  	{ .compatible = "mediatek,mt8183-wdt", .data = &mt8183_data },
>  	{ /* sentinel */ }