linux-kernel - Re: [PATCH 09/16] bus: ti-sysc: Add handling for clkctrl opt clocks

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Message-ID: <20180501133906.GA18650@rob-hp-laptop>
Date:   Tue, 1 May 2018 08:39:06 -0500
From:   Rob Herring <robh@...nel.org>
To:     Tony Lindgren <tony@...mide.com>
Cc:     linux-omap@...r.kernel.org, Dave Gerlach <d-gerlach@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nishanth Menon <nm@...com>, Suman Anna <s-anna@...com>,
        Tero Kristo <t-kristo@...com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: Re: [PATCH 09/16] bus: ti-sysc: Add handling for clkctrl opt clocks

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@....com>
> Cc: Rob Herring <robh@...nel.org>
> Cc: Tero Kristo <t-kristo@...com>
> Cc: devicetree@...r.kernel.org
> Signed-off-by: Tony Lindgren <tony@...mide.com>
> ---
>  .../devicetree/bindings/bus/ti-sysc.txt       |   6 +-

Reviewed-by: Rob Herring <robh@...nel.org>

>  drivers/bus/ti-sysc.c                         | 140 ++++++++++++++----
>  2 files changed, 120 insertions(+), 26 deletions(-)