[PATCH v4 2/2] watchdog: s3c2410_wdt: Add exynos5515-wdt compatible data

[Guenter Roeck]

On Fri, Aug 21, 2026 at 04:14:50PM +0100, Aiden Isik wrote:
> From: Aiden Isik <aidenisik at member.fsf.org>
> 
> Add driver data for the Exynos5515 SoC's watchdog timer.
> 
> Unlike similar SoCs such as GS101 or Exynos990, Exynos5515's PMU does
> not require explicit counter enablement for the watchdog to tick.
> 
> Signed-off-by: Aiden Isik <aidenisik at member.fsf.org>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at oss.qualcomm.com>

Applied.

Thanks,
Guenter

> ---
>  drivers/watchdog/s3c2410_wdt.c | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
> index e31f93db0509..e61439a3f4b2 100644
> --- a/drivers/watchdog/s3c2410_wdt.c
> +++ b/drivers/watchdog/s3c2410_wdt.c
> @@ -232,6 +232,20 @@ static const struct s3c2410_wdt_variant drv_data_exynos5420 = {
>  		  QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_AUTO_DISABLE,
>  };
>  
> +/*
> + * Unlike similar SoCs like GS101, Exynos5515's PMU does not require
> + * explicit counter enablement. Hence, QUIRK_HAS_PMU_CNT_EN is not set.
> + */
> +static const struct s3c2410_wdt_variant drv_data_exynos5515 = {
> +	.mask_reset_reg = EXYNOSAUTOV920_CLUSTER0_NONCPU_INT_EN,
> +	.mask_bit = 2,
> +	.mask_reset_inv = true,
> +	.rst_stat_reg = EXYNOS5_RST_STAT_REG_OFFSET,
> +	.rst_stat_bit = 24,
> +	.quirks = QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET | \
> +		  QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_DBGACK_BIT,
> +};
> +
>  static const struct s3c2410_wdt_variant drv_data_exynos7 = {
>  	.disable_reg = EXYNOS5_WDT_DISABLE_REG_OFFSET,
>  	.mask_reset_reg = EXYNOS5_WDT_MASK_RESET_REG_OFFSET,
> @@ -379,6 +393,8 @@ static const struct of_device_id s3c2410_wdt_match[] = {
>  	  .data = &drv_data_exynos5250 },
>  	{ .compatible = "samsung,exynos5420-wdt",
>  	  .data = &drv_data_exynos5420 },
> +	{ .compatible = "samsung,exynos5515-wdt",
> +	  .data = &drv_data_exynos5515 },
>  	{ .compatible = "samsung,exynos7-wdt",
>  	  .data = &drv_data_exynos7 },
>  	{ .compatible = "samsung,exynos850-wdt",