linux-kernel - [PATCH v2 6/6] Documentation: Add device tree bindings document for max77843

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Message-id: <1422939846-29955-7-git-send-email-jaewon02.kim@samsung.com>
Date:	Tue, 03 Feb 2015 14:04:06 +0900
From:	Jaewon Kim <jaewon02.kim@...sung.com>
To:	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-pm@...r.kernel.org
Cc:	Inki Dae <inki.dae@...sung.com>,
	SangBae Lee <sangbae90.lee@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Lee Jones <lee.jones@...aro.org>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Sebastian Reichel <sre@...nel.org>,
	Mark Brown <broonie@...nel.org>,
	Beomho Seo <beomho.seo@...sung.com>,
	Jaewon Kim <jaewon02.kim@...sung.com>
Subject: [PATCH v2 6/6] Documentation: Add device tree bindings document for
 max77843

Add document describing device tree bindings for max77843 MFD.
Drivers: MFD core, regulator, extcon, charger and fuelgauge.

Cc: Rob Herring <robh+dt@...nel.org>
Cc: Pawel Moll <pawel.moll@....com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Ian Campbell <ijc+devicetree@...lion.org.uk>
Cc: Kumar Gala <galak@...eaurora.org>
Cc: Lee Jones <lee.jones@...aro.org>
Cc: Chanwoo Choi <cw00.choi@...sung.com>
Cc: Sebastian Reichel <sre@...nel.org>
Cc: Mark Brown <broonie@...nel.org>
Signed-off-by: Jaewon Kim <jaewon02.kim@...sung.com>
Signed-off-by: Beomho Seo <beomho.seo@...sung.com>
---
 Documentation/devicetree/bindings/mfd/max77843.txt |   90 ++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/max77843.txt

diff --git a/Documentation/devicetree/bindings/mfd/max77843.txt b/Documentation/devicetree/bindings/mfd/max77843.txt
new file mode 100644
index 0000000..4341ab9
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/max77843.txt
@@ -0,0 +1,90 @@
+Maxim MAX77843 multi-function device
+
+MAX77843 is a Multi-Function Device with the following submodules:
+- PMIC	  : 2 SAFEOUT LDOs for USB device
+- CHARGER : Li+ battery charger with Fuel Gauge
+- MUIC	  : Micro USB Interface Controller
+
+It is interfaced to host controller using I2C.
+
+Required properties:
+- compatible : Must be "maxim,max77843".
+- reg : I2C slave address of PMIC block.
+- interrupts : I2C line for main SoCs.
+- interrupt-parent : The parent of interrupt controller.
+
+Optional properties:
+- regulators : The regulators of max77843 have to be instantiated under subnode
+	named "regulators" using the following format.
+
+	[*]refer : Documentation/devicetree/bindings/regulator/regulator.txt
+
+	regulators {
+		SAFEOUT {
+			regulator-name = "SAFEOUT";
+		};
+	}
+
+	List of valid regulator names:
+	- SAFEOUT1, SAFEOUT2, CHARGER.
+
+- max77843-muic : This properties used by extcon consumers.
+	Required properties:
+		- compatible : Must be "maxim,max77842-muic".
+
+- max77843-charger : There battery charger of MAX77843 have to be instantiated
+	under sub-node named "max77843-charger" using the following format.
+	Required properties:
+		- compatible : Must be "maxim,max77842-charger".
+		- maxim,fast-charge-uamp : Fast charge current levels are
+			100 mA to 3150 mA programmed by I2C per 100 mA.
+		- maxim,top-off-uamp : Top off current threshold levels are
+			125 mA to 650 mA programmed by I2C per 75 mA.
+		- maxim,input-uamp-limit : Input current limit levels are
+			100 mA to 3533 mA programmed by I2C per 33 mA.
+- max77843-fuelgauge : There fuelgauge of MAX77843 have to be instantiated
+	under sub-node named "max77843-fuelgauge" using the following format.
+	Required properties:
+		- compatible : Must be "maxim,max77842-fuelgauge".
+
+Example:
+	max77843@66 {
+		compatible = "samsung,max77843";
+		reg = <0x66>;
+		interrupt-parent = <&gpa1>;
+		interrupts = <5 2>;
+
+		regulators {
+			SAFEOUT1 {
+				regulator-name = "SAFEOUT1";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <4950000>;
+			};
+			SAFEOUT2 {
+				regulator-name = "SAFEOUT2";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <4950000>;
+			};
+			CHARGER {
+				regulator-name = "CHARGER";
+				regulator-min-microamp = <100000>;
+				regulator-max-microamp = <3150000>;
+			};
+		};
+
+		max77843-muic {
+			compatible = "maxim,max77843-muic";
+		};
+
+		max77843-charger {
+			compatible = "maxim,max77843-charger";
+			maxim,fast-charge-uamp = <450000>;
+			maxim,top-off-uamp = <125000>;
+			maxim,input-uamp-limit = <500000>;
+		};
+
+		max77843-fuelgauge {
+			compatible = "maxim,max77843-fuelgauge";
+		};
+
+	};
-- 
1.7.9.5

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