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drivers: wdog_cmsdk_apb: Get clock frequency from DTS

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The wdog_cmsdk_apb driver used system clock frequency
as a base for timeout calculation. This commit corrects
that by obtaining the needed value from DTS.

Signed-off-by: Piotr Zięcik <piotr.ziecik@nordicsemi.no>
This commit is contained in:
Piotr Zięcik 2019-04-11 14:28:52 +02:00 • committed by Carles Cufí
commit a901e32a38
1 changed files with 2 additions and 1 deletions
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3
drivers/watchdog/wdt_cmsdk_apb.c
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@ -110,7 +110,8 @@ static int wdog_cmsdk_apb_install_timeout(struct device *dev,
ARG_UNUSED(dev);
/* Reload value */
reload_s = config->window.max * CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC;
reload_s = config->window.max *
DT_INST_0_ARM_CMSDK_WATCHDOG_CLOCKS_CLOCK_FREQUENCY;
flags = config->flags;
wdog->load = reload_s;