[PATCH 1/3] dt-bindings: mfd: axp20x: Document backup battery charging property
From: Paul Kocialkowski <hidden>
Date: 2017-12-30 15:24:34
Also in:
linux-devicetree, lkml
Subsystem:
multifunction devices (mfd), open firmware and flattened device tree bindings, the rest · Maintainers:
Lee Jones, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This adds documentation for the "backup" property of the axp20x driver, that controls the charging mechanism for the backup battery on axp20x. Signed-off-by: Paul Kocialkowski <redacted>
diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
index 9455503b0299..382776b29932 100644
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt@@ -58,6 +58,11 @@ Optional properties: See Documentation/devicetree/bindings/regulator/regulator.txt for more information on standard regulator bindings. +- backup: An array of two integers for backup battery charging (axp20x-only), + describing the charging voltage in mV first and the charging current + in uA second. Backup battery charging is only enabled when these two + fields are filled. + Optional properties for DCDC regulators: - x-powers,dcdc-workmode: 1 for PWM mode, 0 for AUTO (PWM/PFM) mode Default: Current hardware setting
@@ -256,4 +261,6 @@ axp209: pmic at 34 { /* unused but preferred to be managed by OS */ }; }; + + backup = <3000 200>; };
--
2.15.1