On Sun, 07 Nov 2021 22:29:33 +0200, Sam Protsenko wrote: > Exynos850 SoC has two CPU clusters: > - cluster 0: contains CPUs #0, #1, #2, #3 > - cluster 1: contains CPUs #4, #5, #6, #7 > > Each cluster has its own dedicated watchdog timer. Those WDT instances > are controlled using different bits in PMU registers, new > "samsung,index" property is added to tell the driver which bits to use > for defined watchdog node. > > Also on Exynos850 the peripheral clock and the source clock are two > different clocks. Provide a way to specify two clocks in watchdog device > tree node. > > Signed-off-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx> > --- > Changes in v3: > - Renamed "samsung,index" property to more descriptive > "samsung,cluster-index" > - Disabled "samsung,cluster-index" property for SoCs other than > Exynos850 > > Changes in v2: > - Stated explicitly that Exynos850 driver requires 2 clocks > - Used single compatible for Exynos850 > - Added "index" property to specify CPU cluster index > - Fixed a typo in commit message: dedicater -> dedicated > > .../bindings/watchdog/samsung-wdt.yaml | 45 +++++++++++++++++-- > 1 file changed, 41 insertions(+), 4 deletions(-) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
