* [PATCH 09/14] watchdog: s3c2410_wdt: Add support for Watchdog device on Exynos7
@ 2014-08-27 9:47 Naveen Krishna Chatradhi
2014-09-26 17:39 ` [09/14] " Guenter Roeck
0 siblings, 1 reply; 2+ messages in thread
From: Naveen Krishna Chatradhi @ 2014-08-27 9:47 UTC (permalink / raw)
To: linux-watchdog
Cc: naveenkrishna.ch, linux-arm-kernel, linux-samsung-soc, cpgs,
Wim Van Sebroeck
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(+)
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);
--
1.7.9.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [09/14] watchdog: s3c2410_wdt: Add support for Watchdog device on Exynos7
2014-08-27 9:47 [PATCH 09/14] watchdog: s3c2410_wdt: Add support for Watchdog device on Exynos7 Naveen Krishna Chatradhi
@ 2014-09-26 17:39 ` Guenter Roeck
0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2014-09-26 17:39 UTC (permalink / raw)
To: Naveen Krishna Chatradhi
Cc: linux-watchdog, naveenkrishna.ch, linux-arm-kernel,
linux-samsung-soc, cpgs, Wim Van Sebroeck
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);
^ permalink raw reply [flat|nested] 2+ messages in thread
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2014-08-27 9:47 [PATCH 09/14] watchdog: s3c2410_wdt: Add support for Watchdog device on Exynos7 Naveen Krishna Chatradhi
2014-09-26 17:39 ` [09/14] " Guenter Roeck
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