linux-kernel - [PATCH v4 1/3] dt-bindings: mfd: da9062: add gpio bindings

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Message-Id: <20200108104746.1765-2-m.felsch@pengutronix.de>
Date:   Wed,  8 Jan 2020 11:47:44 +0100
From:   Marco Felsch <m.felsch@...gutronix.de>
To:     support.opensource@...semi.com, lee.jones@...aro.org,
        robh+dt@...nel.org, linus.walleij@...aro.org,
        Adam.Thomson.Opensource@...semi.com
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...gutronix.de, linux-gpio@...r.kernel.org,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v4 1/3] dt-bindings: mfd: da9062: add gpio bindings

Add gpio device documentation to make the da9062 gpios available for
users.

Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@...semi.com>
Reviewed-by: Rob Herring <robh@...nel.org>
Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>
---
Changelog:

v2:
- remove sub-node documentation
- squash gpio properties into mfd documentation
---
 Documentation/devicetree/bindings/mfd/da9062.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/da9062.txt b/Documentation/devicetree/bindings/mfd/da9062.txt
index bc4b59de6a55..857af982c88f 100644
--- a/Documentation/devicetree/bindings/mfd/da9062.txt
+++ b/Documentation/devicetree/bindings/mfd/da9062.txt
@@ -13,6 +13,7 @@ da9062-rtc              :               : Real-Time Clock
 da9062-onkey            :               : On Key
 da9062-watchdog         :               : Watchdog Timer
 da9062-thermal          :               : Thermal
+da9062-gpio             :               : GPIOs
 
 The DA9061 PMIC consists of:
 
@@ -38,6 +39,15 @@ Required properties:
 See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt for
 further information on IRQ bindings.
 
+Optional properties:
+
+- gpio-controller : Marks the device as a gpio controller.
+- #gpio-cells     : Should be two. The first cell is the pin number and the
+                    second cell is used to specify the gpio polarity.
+
+See Documentation/devicetree/bindings/gpio/gpio.txt for further information on
+GPIO bindings.
+
 Sub-nodes:
 
 - regulators : This node defines the settings for the LDOs and BUCKs.
-- 
2.20.1