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path: root/drivers/watchdog/designware_wdt.c
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* wdt: dw: Free the clock on errorSean Anderson2021-04-081-5/+13
| | | | | | | | The clock subsystem requires that clk_free be called on clocks obtained via clk_get_*. Signed-off-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* wdt: dw: Enable the clock before using itSean Anderson2021-04-081-0/+4
| | | | | | | | The watchdog won't work if the clock isn't enabled. Fixes: cf89ef8d10f240554541c20b2e1bdcdd58d1d7e6 Signed-off-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* wdt: dw: Switch to if(CONFIG()) instead of using #ifSean Anderson2021-04-081-9/+9
| | | | | | | | | This is preferred over #if because the compiler can check syntax even if the feature is disabled. This cannot be used for CONFIG_CLK because CONFIG_DW_WDT_CLOCK_KHZ is not defined on all platforms. Signed-off-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
* wdt: dw: Switch to using fls for log2Sean Anderson2021-04-081-2/+1
| | | | | | | | log_2_n_round_up is only found in arm. fls performs the same job and is generic. Signed-off-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* dm: treewide: Rename auto_alloc_size members to be shorterSimon Glass2020-12-131-1/+1
| | | | | | | | | | | | This construct is quite long-winded. In earlier days it made some sense since auto-allocation was a strange concept. But with driver model now used pretty universally, we can shorten this to 'auto'. This reduces verbosity and makes it easier to read. Coincidentally it also ensures that every declaration is on one line, thus making dtoc's job easier. Signed-off-by: Simon Glass <sjg@chromium.org>
* wdt: designware: fix timeout calculation due to expecting KHzJack Mitchell2020-10-081-1/+1
| | | | | | | | The timeout calculation is based on the clk being in KHz but the clk api returns the clk value in Hz. Convert this to KHz to calculate the correct timeout value. Signed-off-by: Jack Mitchell <ml@embed.me.uk>
* common: Drop linux/bitops.h from common headerWIP/2020-05-18-reduce-size-of-common.hSimon Glass2020-05-181-0/+1
| | | | | | Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
* watchdog: designware: Optionally fetch clock and reset from DTMarek Vasut2020-02-051-7/+33
| | | | | | | | | | | | | | | | | | | Add optional support for fetching watchdog clock rate from DT and ungating reset via reset framework. This is optional as not all platforms using DW WDT support the clock and reset frameworks yet. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Chin Liang See <chin.liang.see@intel.com> Cc: Dalon Westergreen <dwesterg@gmail.com> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Jagan Teki <jagan@amarulasolutions.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Philipp Tomisch <philipp.tomisch@theobroma-systems.com> Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com> Cc: Tien Fong Chee <tien.fong.chee@intel.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com> Tested-by: Jagan Teki <jagan@amarulasolutions.com> # roc-rk3399-pc
* watchdog: designware: Convert to DM and DT probingMarek Vasut2020-02-051-23/+99
| | | | | | | | | | | | | | | | | | Convert the designware watchdog timer driver to DM and add DT probing support. Perform minor coding style clean up, like drop superfluous braces. These ought to be no functional change. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Chin Liang See <chin.liang.see@intel.com> Cc: Dalon Westergreen <dwesterg@gmail.com> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Jagan Teki <jagan@amarulasolutions.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Philipp Tomisch <philipp.tomisch@theobroma-systems.com> Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com> Cc: Tien Fong Chee <tien.fong.chee@intel.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com> Tested-by: Jagan Teki <jagan@amarulasolutions.com> # roc-rk3399-pc
* SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini2018-05-071-2/+1
| | | | | | | | | | | | | | | | | | | | When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
* wdt: Unify option of timeout valueAndy Shevchenko2017-07-071-1/+1
| | | | | | | | | | | There is no need to duplicate same option with different name. Kill HW_WATCHDOG_TIMEOUT_MS in favor of WATCHDOG_TIMEOUT_MSECS. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Heiko Schocher <hs@denx.de>
* watchdog/denali: Adding DesignWare watchdog driver supportChin Liang See2014-07-051-0/+74
To add the DesignWare watchdog driver support. It required information such as register base address and clock info from configuration header file within include/configs folder. Signed-off-by: Chin Liang See <clsee@altera.com> Cc: Anatolij Gustschin <agust@denx.de> Cc: Albert Aribaud <albert.u.boot@aribaud.net> Cc: Heiko Schocher <hs@denx.de> Cc: Tom Rini <trini@ti.com>
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