Re: [PATCH 09/16] bus: ti-sysc: Add handling for clkctrl opt clocks
From: Rob Herring
Date: Tue May 01 2018 - 09:39:15 EST
On Mon, Apr 23, 2018 at 10:45:42AM -0700, Tony Lindgren wrote:
> There can be up to eight optional device functional gate gate clocks for
> each clkctrl instance in clkctrl register bits 8 to 15. Some of them are
> only needed for module level reset while others may always be needed
> during use. Let's add support for those and update the binding doc
> accordingly.
>
> Note that the optional clkctrl mux and divider clocks starting at bit 20
> can be directly mapped to the child devices, and ti-sysc does not need to
> manage those.
>
> And as GPIOs need the optional clocks for reset, we can now add it with
> SYSC_QUIRK_OPT_CLKS_IN_RESET.
>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: Tero Kristo <t-kristo@xxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/bus/ti-sysc.txt | 6 +-
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> drivers/bus/ti-sysc.c | 140 ++++++++++++++----
> 2 files changed, 120 insertions(+), 26 deletions(-)