From: Doug Anderson <dianders@chromium.org>
To: David Collins <collinsd@codeaurora.org>
Cc: Mark Brown <broonie@kernel.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-arm-msm@vger.kernel.org,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
devicetree@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
Rajendra Nayak <rnayak@codeaurora.org>,
Stephen Boyd <sboyd@kernel.org>
Subject: Re: [PATCH 1/2] regulator: of: add property for allowed modes specification
Date: Thu, 17 May 2018 14:21:42 -0700 [thread overview]
Message-ID: <CAD=FV=W5vqTJHGiuoznqgJGtvGs2eYs54JvV8-8ukwmsJ5p7bw@mail.gmail.com> (raw)
In-Reply-To: <f3aa166ddd11c8f9813602be68aa5b10e5c90979.1526088289.git.collinsd@codeaurora.org>
Hi,
On Fri, May 11, 2018 at 6:46 PM, David Collins <collinsd@codeaurora.org> wrote:
> Add a common device tree property for regulator nodes to support
> the specification of allowed operating modes.
>
> Signed-off-by: David Collins <collinsd@codeaurora.org>
> ---
> Documentation/devicetree/bindings/regulator/regulator.txt | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt
> index 2babe15b..c627aa0 100644
> --- a/Documentation/devicetree/bindings/regulator/regulator.txt
> +++ b/Documentation/devicetree/bindings/regulator/regulator.txt
> @@ -59,6 +59,11 @@ Optional properties:
> - regulator-initial-mode: initial operating mode. The set of possible operating
> modes depends on the capabilities of every hardware so each device binding
> documentation explains which values the regulator supports.
> +- regulator-allowed-modes: list of operating modes that software is allowed to
> + configure for the regulator at run-time. Elements may be specified in any
> + order. The set of possible operating modes depends on the capabilities of
> + every hardware so each device binding document explains which values the
> + regulator supports.
Looks sane to me. It might be interesting to be explicit about what
happens if "regulator-allowed-modes" doesn't include the mode that was
listed as "regulator-initial-mode". Does that mean that there's no
way to get back to "regulator-initial-mode" after it's been changed
once, or is it an error to not include the initial mode in the set of
allowed modes?
I'm not 100% sure if going to such detail is necessary though. Thus,
feel free to add:
Reviewed-by: Douglas Anderson <dianders@chromium.org>
next prev parent reply other threads:[~2018-05-17 21:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-12 1:46 [PATCH 0/2] regulator: of: add device tree property for allowed modes David Collins
2018-05-12 1:46 ` [PATCH 1/2] regulator: of: add property for allowed modes specification David Collins
2018-05-17 16:41 ` Applied "regulator: of: add property for allowed modes specification" to the regulator tree Mark Brown
2018-05-17 21:21 ` Doug Anderson [this message]
2018-05-12 1:46 ` [PATCH 2/2] regulator: of: add support for allowed modes configuration David Collins
2018-05-17 16:41 ` Applied "regulator: of: add support for allowed modes configuration" to the regulator tree Mark Brown
2018-05-17 21:22 ` [PATCH 2/2] regulator: of: add support for allowed modes configuration Doug Anderson
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