linux-kernel - [PATCH v8 2/2] power: add documentation for ACT8945A's charger DT bindings

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Message-ID: <1454646368-18193-3-git-send-email-wenyou.yang@atmel.com>
Date:	Fri, 5 Feb 2016 12:26:08 +0800
From:	Wenyou Yang <wenyou.yang@...el.com>
To:	Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Brown <broonie@...nel.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	"Kumar Gala" <galak@...eaurora.org>
CC:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Javier Martinez Canillas <javier@...hile0.org>,
	Lee Jones <lee.jones@...aro.org>,
	Peter Korsgaard <jacmet@...il.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
	Wenyou Yang <wenyou.yang@...el.com>
Subject: [PATCH v8 2/2] power: add documentation for ACT8945A's charger DT bindings

This patch adds documentation for the DT bindings of the charger
subdevice of ACT8945A MFD.

Signed-off-by: Wenyou Yang <wenyou.yang@...el.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
---

Changes in v8:
 - due the mfd cell .of_compatible removal, update the compatibe
   description and example.

Changes in v7: None
Changes in v6: None
Changes in v5:
 - collect Reviewed-by from Krzysztof.

Changes in v4:
 - change the properties with more legible name, clearer description.

Changes in v3: None
Changes in v2: None

 .../devicetree/bindings/power/act8945a-charger.txt |   35 ++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/act8945a-charger.txt

diff --git a/Documentation/devicetree/bindings/power/act8945a-charger.txt b/Documentation/devicetree/bindings/power/act8945a-charger.txt
new file mode 100644
index 0000000..bea254c
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/act8945a-charger.txt
@@ -0,0 +1,35 @@
+Device-Tree bindings for charger of Active-semi ACT8945A Multi-Function Device
+
+Required properties:
+ - compatible: "active-semi,act8945a", please refer to ../mfd/act8945a.txt.
+ - active-semi,chglev-gpios: charge current level phandle with args
+   as described in ../gpio/gpio.txt.
+
+Optional properties:
+ - active-semi,check-battery-temperature: boolean to check the battery
+   temperature or not.
+ - active-semi,input-voltage-threshold-microvolt: unit: mV;
+   Specifies the charger's input over-voltage threshold value;
+   The value can be: 6600, 7000, 7500, 8000; default: 6600
+ - active-semi,precondition-timeout: unit: minutes;
+   Specifies the charger's PRECONDITION safety timer setting value;
+   The value can be: 40, 60, 80, 0; If 0, it means to disable this timer;
+   default: 40.
+ - active-semi,total-timeout: unit: hours;
+   Specifies the charger's total safety timer setting value;
+   The value can be: 3, 4, 5, 0; If 0, it means to disable this timer;
+   default: 3.
+
+Example:
+	pmic@5b {
+		compatible = "active-semi,act8945a";
+		reg = <0x5b>;
+		status = "okay";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_charger_chglev>;
+		active-semi,chglev-gpios = <&pioA 12 GPIO_ACTIVE_HIGH>;
+		active-semi,input-voltage-threshold-microvolt = <6600>;
+		active-semi,precondition-timeout = <40>;
+		active-semi,total-timeout = <3>;
+	};
-- 
1.7.9.5