[PATCH v4 2/2] watchdog: s3c2410_wdt: Add exynos5515-wdt compatible data
Aiden Isik <[email protected]>
| Newsgroups | org.kernel.feeds.b4-sent,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-samsung-soc,org.kernel.vger.linux-watchdog |
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| Message-ID | <20260821-for-next-lucky7-watchdog-v4-2-d070cee5009f@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 <[email protected]> --- 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", -- 2.54.0