On 04-08-17, 15:18, Simon Horman wrote: > From: Khiem Nguyen <khiem.nguyen.xt@xxxxxxxxxxxxxxx> > > After the commit "a399dc9fc50 cpufreq: shmobile: Use generic platdev > driver", will use cpufreq-dt-platdev driver to enable cpufreq-dt support. > Hence, follow the implementation to support new R8A7795 SoC. > > Signed-off-by: Khiem Nguyen <khiem.nguyen.xt@xxxxxxxxxxxxxxx> > Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx> > --- > drivers/cpufreq/cpufreq-dt-platdev.c | 1 + > 1 file changed, 1 insertion(+) > > This is identical to a patch posted by Khiem last year. > At the time it was asked if using opp-v2 was the preferred approach. > > https://patchwork.kernel.org/patch/9054011/ > > An inspection of the current upstream kernel code seems to indicate > that adding a binding as this patch does is compatibile with using opp-v2 > and I plan to post DTS patches separately which make use of the opp-v2 > bindings - they depend on this driver change to work. > > I have provided an integration patch with this patch, those DTS changes, > and Renesas clock updates also depended on by the DTS changes. The result > is working CPUFreq for the r8a7795 (R-Car H3) ES1.0. > > If this work is acceptable I plan to follow up with patches to > enable CPUFreq on the r8a7796 (R-Car M3-W). > > https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git topic/r8a7795-cpufreq > > A description of steps taken to lightly exercise the above can be found here: > > http://elinux.org/Tests:R-CAR-GEN3-CPUFreq > > diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c > index 096aea7fcb67..13b72f3c420b 100644 > --- a/drivers/cpufreq/cpufreq-dt-platdev.c > +++ b/drivers/cpufreq/cpufreq-dt-platdev.c > @@ -67,6 +67,7 @@ static const struct of_device_id machines[] __initconst = { > { .compatible = "renesas,r8a7792", }, > { .compatible = "renesas,r8a7793", }, > { .compatible = "renesas,r8a7794", }, > + { .compatible = "renesas,r8a7795", }, > { .compatible = "renesas,sh73a0", }, > > { .compatible = "rockchip,rk2928", }, Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx> -- viresh
