| Message ID | 1409132831-2032-1-git-send-email-ch.naveen@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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@samsung.com> > Cc: Wim Van Sebroeck <wim@iguana.be> Reviewed-by: Guenter Roeck <linux@roeck-us.net> > --- > .../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);
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);
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@samsung.com> Cc: Wim Van Sebroeck <wim@iguana.be> --- .../devicetree/bindings/watchdog/samsung-wdt.txt | 1 + drivers/watchdog/s3c2410_wdt.c | 11 +++++++++++ 2 files changed, 12 insertions(+)