On Wed, Aug 27, 2014 at 03:17:11PM +0530, Naveen Krishna Chatradhi wrote:
> Exynos7 SoC has a Watchdog for Atlas (A57) cores
> This patch adds support for the Atlas watchdog.
>
> Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@xxxxxxxxxxx>
> Cc: Wim Van Sebroeck <wim@xxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/watchdog/samsung-wdt.txt | 1 +
> drivers/watchdog/s3c2410_wdt.c | 11 +++++++++++
> 2 files changed, 12 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt
> index cfff375..8f3d96a 100644
> --- a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt
> +++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt
> @@ -9,6 +9,7 @@ Required properties:
> (a) "samsung,s3c2410-wdt" for Exynos4 and previous SoCs
> (b) "samsung,exynos5250-wdt" for Exynos5250
> (c) "samsung,exynos5420-wdt" for Exynos5420
> + (c) "samsung,exynos7-wdt" for Exynos7
>
> - reg : base physical address of the controller and length of memory mapped
> region.
> diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
> index 7c6ccd0..015256e 100644
> --- a/drivers/watchdog/s3c2410_wdt.c
> +++ b/drivers/watchdog/s3c2410_wdt.c
> @@ -155,6 +155,15 @@ static const struct s3c2410_wdt_variant drv_data_exynos5420 = {
> .quirks = QUIRK_HAS_PMU_CONFIG | QUIRK_HAS_RST_STAT,
> };
>
> +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,
> + .mask_bit = 0,
> + .rst_stat_reg = EXYNOS5_RST_STAT_REG_OFFSET,
> + .rst_stat_bit = 23, /* A57 WDTRESET */
> + .quirks = QUIRK_HAS_PMU_CONFIG | QUIRK_HAS_RST_STAT,
> +};
> +
> static const struct of_device_id s3c2410_wdt_match[] = {
> { .compatible = "samsung,s3c2410-wdt",
> .data = &drv_data_s3c2410 },
> @@ -162,6 +171,8 @@ static const struct of_device_id s3c2410_wdt_match[] = {
> .data = &drv_data_exynos5250 },
> { .compatible = "samsung,exynos5420-wdt",
> .data = &drv_data_exynos5420 },
> + { .compatible = "samsung,exynos7-wdt",
> + .data = &drv_data_exynos7 },
> {},
> };
> MODULE_DEVICE_TABLE(of, s3c2410_wdt_match);
--
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