linux-kernel - [PATCH v3 11/14] mfd/regulator: dt-bindings: max77686: Document gpio properties

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Message-id: <1414668053-31370-12-git-send-email-k.kozlowski@samsung.com>
Date:	Thu, 30 Oct 2014 12:20:50 +0100
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
	Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org
Cc:	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Subject: [PATCH v3 11/14] mfd/regulator: dt-bindings: max77686: Document gpio
 properties

Document usage of gpio properties which turn on external/GPIO control
over regulator.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
---
 Documentation/devicetree/bindings/mfd/max77686.txt | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/max77686.txt b/Documentation/devicetree/bindings/mfd/max77686.txt
index f4010a9f66eb..b8013e69da65 100644
--- a/Documentation/devicetree/bindings/mfd/max77686.txt
+++ b/Documentation/devicetree/bindings/mfd/max77686.txt
@@ -22,7 +22,14 @@ Optional node:
   Required property:
   - compatible : Must be "maxim,max77686-pmic"
 
-  Optional properties: For each regulator use following format:
+  Optional properties:
+  - ldo20-gpio : GPIO to use for LDO20 enable control.
+  - ldo21-gpio : GPIO to use for LDO21 enable control.
+  - ldo22-gpio : GPIO to use for LDO22 enable control.
+  - buck8-gpio : GPIO to use for BUCK8 enable control.
+  - buck9-gpio : GPIO to use for BUCK9 enable control.
+
+  For each regulator use following format:
 	regulator_name {
 		regulator-compatible = LDOn/BUCKn
 		standard regulator constraints....
@@ -42,7 +49,6 @@ to get matched with their hardware counterparts as follow:
 	-BUCKn	:	1-4.
   Use standard regulator bindings for it ('regulator-off-in-suspend').
 
-
 Example:
 
 	max77686@09 {
@@ -53,6 +59,7 @@ Example:
 
 		voltage-regulators {
 			compatible = "maxim,max77686-pmic";
+			ldo21-gpio = <&gpy2 0 GPIO_ACTIVE_HIGH>;
 
 			ldo11_reg {
 				regulator-compatible = "LDO11";
-- 
1.9.1

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