From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Angus Ainslie (Purism)" Subject: [PATCH 2/2] dt-bindings: power: supply: Add documentation for the VINDPM properties Date: Mon, 20 May 2019 11:07:12 -0700 Message-ID: <20190520180712.32405-3-angus@akkea.ca> References: <20190520180712.32405-1-angus@akkea.ca> Return-path: In-Reply-To: <20190520180712.32405-1-angus@akkea.ca> Sender: linux-kernel-owner@vger.kernel.org To: angus.ainslie@puri.sm Cc: Sebastian Reichel , Rob Herring , Mark Rutland , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, "Angus Ainslie (Purism)" List-Id: devicetree@vger.kernel.org Add documentation on how to control VINDPM from the devicetree. Signed-off-by: Angus Ainslie (Purism) --- .../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" - 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