From: Rob Herring <robh@kernel.org>
To: "Angus Ainslie (Purism)" <angus@akkea.ca>
Cc: angus.ainslie@puri.sm, Sebastian Reichel <sre@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: power: supply: Add documentation for the VINDPM properties
Date: Thu, 13 Jun 2019 17:09:06 -0600 [thread overview]
Message-ID: <20190613230906.GA10492@bogus> (raw)
In-Reply-To: <20190520180712.32405-3-angus@akkea.ca>
On Mon, May 20, 2019 at 11:07:12AM -0700, Angus Ainslie (Purism) wrote:
> Add documentation on how to control VINDPM from the devicetree.
>
> Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
> ---
> .../devicetree/bindings/power/supply/bq25890.txt | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/power/supply/bq25890.txt b/Documentation/devicetree/bindings/power/supply/bq25890.txt
> index dc0568933359..fe8b709dd666 100644
> --- a/Documentation/devicetree/bindings/power/supply/bq25890.txt
> +++ b/Documentation/devicetree/bindings/power/supply/bq25890.txt
> @@ -26,9 +26,15 @@ Optional properties:
> - ti,use-ilim-pin: boolean, if present the ILIM resistor will be used and the
> input current will be the lower between the resistor setting and the IINLIM
> register setting;
> +- ti,use-vinmin-threshold: boolean, if present the FORCE_VINDPM bit will be set
> + and the input voltage limit will be configured based on "ti,vinmin-threshold"
Isn't presence of ti,vinmin-threshold enough to determine whether to set
FORCE_VINDPM or not? Just get rid of the default being 4.4V.
> - ti,thermal-regulation-threshold: integer, temperature above which the charge
> current is lowered, to avoid overheating (in degrees Celsius). If omitted,
> the default setting will be used (120 degrees);
> +- ti,vinmin-threshold: integer, lower absolute threshold for VINDPM. If the
> + voltage falls below this threshold the charge current is reduced until the
> + input voltage rises above the input voltage limit. If omitted, the default
> + setting will be used (4.4V);
>
> Example:
>
> @@ -46,4 +52,6 @@ bq25890 {
>
> ti,use-ilim-pin;
> ti,thermal-regulation-threshold = <120>;
> + ti,use-vinmin-threshold;
> + ti,vinmin-threshold = <3900000>;
> };
> --
> 2.17.1
>
next prev parent reply other threads:[~2019-06-13 23:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-20 18:07 [PATCH 0/2] Allow VINDPM to be set in the device tree Angus Ainslie (Purism)
2019-05-20 18:07 ` [PATCH 1/2] power: supply: bq25890: Add support for setting bq25890 and bq25896's VINDPM Angus Ainslie (Purism)
2019-05-20 18:07 ` [PATCH 2/2] dt-bindings: power: supply: Add documentation for the VINDPM properties Angus Ainslie (Purism)
2019-06-13 23:09 ` Rob Herring [this message]
2019-06-25 22:13 ` Sebastian Reichel
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