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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
| commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
| tree | 76267dbc9b9a130337be3640948fe397b04ac629 /drivers/watchdog/imx7ulp_wdt.c | |
| parent | Adding upstream version 6.6.15. (diff) | |
| download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip | |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/watchdog/imx7ulp_wdt.c')
| -rw-r--r-- | drivers/watchdog/imx7ulp_wdt.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/watchdog/imx7ulp_wdt.c b/drivers/watchdog/imx7ulp_wdt.c index c703586c6e..b21d7a74a4 100644 --- a/drivers/watchdog/imx7ulp_wdt.c +++ b/drivers/watchdog/imx7ulp_wdt.c @@ -23,6 +23,7 @@ #define LPO_CLK_SHIFT 8 #define WDOG_CS_CLK (LPO_CLK << LPO_CLK_SHIFT) #define WDOG_CS_EN BIT(7) +#define WDOG_CS_INT_EN BIT(6) #define WDOG_CS_UPDATE BIT(5) #define WDOG_CS_WAIT BIT(1) #define WDOG_CS_STOP BIT(0) @@ -62,6 +63,7 @@ struct imx7ulp_wdt_device { void __iomem *base; struct clk *clk; bool post_rcs_wait; + bool ext_reset; const struct imx_wdt_hw_feature *hw; }; @@ -285,6 +287,9 @@ static int imx7ulp_wdt_init(struct imx7ulp_wdt_device *wdt, unsigned int timeout if (wdt->hw->prescaler_enable) val |= WDOG_CS_PRES; + if (wdt->ext_reset) + val |= WDOG_CS_INT_EN; + do { ret = _imx7ulp_wdt_init(wdt, timeout, val); toval = readl(wdt->base + WDOG_TOVAL); @@ -321,6 +326,9 @@ static int imx7ulp_wdt_probe(struct platform_device *pdev) return PTR_ERR(imx7ulp_wdt->clk); } + /* 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")) { |