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path: root/drivers/watchdog/imx7ulp_wdt.c
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Diffstat (limited to 'drivers/watchdog/imx7ulp_wdt.c')
-rw-r--r--drivers/watchdog/imx7ulp_wdt.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/watchdog/imx7ulp_wdt.c b/drivers/watchdog/imx7ulp_wdt.c
index 94914a22daff..0f13a3053357 100644
--- a/drivers/watchdog/imx7ulp_wdt.c
+++ b/drivers/watchdog/imx7ulp_wdt.c
@@ -55,6 +55,7 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
struct imx_wdt_hw_feature {
bool prescaler_enable;
+ bool post_rcs_wait;
u32 wdog_clock_rate;
};
@@ -62,7 +63,6 @@ struct imx7ulp_wdt_device {
struct watchdog_device wdd;
void __iomem *base;
struct clk *clk;
- bool post_rcs_wait;
bool ext_reset;
const struct imx_wdt_hw_feature *hw;
};
@@ -95,7 +95,7 @@ static int imx7ulp_wdt_wait_rcs(struct imx7ulp_wdt_device *wdt)
ret = -ETIMEDOUT;
/* Wait 2.5 clocks after RCS done */
- if (wdt->post_rcs_wait)
+ if (wdt->hw->post_rcs_wait)
usleep_range(wait_min, wait_min + 2000);
return ret;
@@ -334,15 +334,6 @@ static int imx7ulp_wdt_probe(struct platform_device *pdev)
/* The WDOG may need to do external reset through dedicated pin */
imx7ulp_wdt->ext_reset = of_property_read_bool(dev->of_node, "fsl,ext-reset-output");
- imx7ulp_wdt->post_rcs_wait = true;
- if (of_device_is_compatible(dev->of_node,
- "fsl,imx8ulp-wdt")) {
- dev_info(dev, "imx8ulp wdt probe\n");
- imx7ulp_wdt->post_rcs_wait = false;
- } else {
- dev_info(dev, "imx7ulp wdt probe\n");
- }
-
wdog = &imx7ulp_wdt->wdd;
wdog->info = &imx7ulp_wdt_info;
wdog->ops = &imx7ulp_wdt_ops;
@@ -403,6 +394,12 @@ static const struct dev_pm_ops imx7ulp_wdt_pm_ops = {
static const struct imx_wdt_hw_feature imx7ulp_wdt_hw = {
.prescaler_enable = false,
.wdog_clock_rate = 1000,
+ .post_rcs_wait = true,
+};
+
+static const struct imx_wdt_hw_feature imx8ulp_wdt_hw = {
+ .prescaler_enable = false,
+ .wdog_clock_rate = 1000,
};
static const struct imx_wdt_hw_feature imx93_wdt_hw = {
@@ -411,8 +408,8 @@ static const struct imx_wdt_hw_feature imx93_wdt_hw = {
};
static const struct of_device_id imx7ulp_wdt_dt_ids[] = {
- { .compatible = "fsl,imx8ulp-wdt", .data = &imx7ulp_wdt_hw, },
{ .compatible = "fsl,imx7ulp-wdt", .data = &imx7ulp_wdt_hw, },
+ { .compatible = "fsl,imx8ulp-wdt", .data = &imx8ulp_wdt_hw, },
{ .compatible = "fsl,imx93-wdt", .data = &imx93_wdt_hw, },
{ /* sentinel */ }
};