From: "Angus Ainslie (Purism)" <angus@akkea.ca>
To: angus.ainslie@puri.sm
Cc: Sebastian Reichel <sre@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
"Angus Ainslie (Purism)" <angus@akkea.ca>
Subject: [PATCH 2/2] dt-bindings: power: supply: Add documentation for the VINDPM properties
Date: Mon, 20 May 2019 11:07:12 -0700 [thread overview]
Message-ID: <20190520180712.32405-3-angus@akkea.ca> (raw)
In-Reply-To: <20190520180712.32405-1-angus@akkea.ca>
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"
- 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:[~2019-05-20 18:07 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 ` Angus Ainslie (Purism) [this message]
2019-06-13 23:09 ` [PATCH 2/2] dt-bindings: power: supply: Add documentation for the VINDPM properties Rob Herring
2019-06-25 22:13 ` Sebastian Reichel
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