linux-kernel - [PATCH 2/3] iio: potentiometer: mcp4531: Add device tree binding documentation

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Message-Id: <1466492137-32683-3-git-send-email-florian.vaussard@heig-vd.ch>
Date:	Tue, 21 Jun 2016 08:55:36 +0200
From:	Florian Vaussard <florian.vaussard@...il.com>
To:	devicetree@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald-Stadler <pmeerw@...erw.net>
Cc:	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>,
	Peter Rosin <peda@...ntia.se>,
	Slawomir Stepien <sst@...zta.fm>,
	Joachim Eastwood <manabian@...il.com>,
	Matt Ranostay <mranostay@...il.com>,
	Cristina Moraru <cristina.moraru09@...il.com>,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	Florian Vaussard <florian.vaussard@...g-vd.ch>
Subject: [PATCH 2/3] iio: potentiometer: mcp4531: Add device tree binding documentation

Add the device tree documentation for all the supported parts. Apart the
compatible string and standard I2C binding, no other binding is currently
needed.

Signed-off-by: Florian Vaussard <florian.vaussard@...g-vd.ch>
---
 .../bindings/iio/potentiometer/mcp4531.txt         | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt

diff --git a/Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt b/Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt
new file mode 100644
index 0000000..b052299
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt
@@ -0,0 +1,84 @@
+* Microchip MCP453X/454X/455X/456X/463X/464X/465X/466X Digital Potentiometer
+  driver
+
+The node for this driver must be a child node of a I2C controller, hence
+all mandatory properties for your controller must be specified. See directory:
+
+        Documentation/devicetree/bindings/i2c
+
+for more details.
+
+Required properties:
+	- compatible:  	Must be one of the following, depending on the
+			model:
+			"microchip,mcp4531-502"
+			"microchip,mcp4531-103"
+			"microchip,mcp4531-503"
+			"microchip,mcp4531-104"
+			"microchip,mcp4532-502"
+			"microchip,mcp4532-103"
+			"microchip,mcp4532-503"
+			"microchip,mcp4532-104"
+			"microchip,mcp4541-502"
+			"microchip,mcp4541-103"
+			"microchip,mcp4541-503"
+			"microchip,mcp4541-104"
+			"microchip,mcp4542-502"
+			"microchip,mcp4542-103"
+			"microchip,mcp4542-503"
+			"microchip,mcp4542-104"
+			"microchip,mcp4551-502"
+			"microchip,mcp4551-103"
+			"microchip,mcp4551-503"
+			"microchip,mcp4551-104"
+			"microchip,mcp4552-502"
+			"microchip,mcp4552-103"
+			"microchip,mcp4552-503"
+			"microchip,mcp4552-104"
+			"microchip,mcp4561-502"
+			"microchip,mcp4561-103"
+			"microchip,mcp4561-503"
+			"microchip,mcp4561-104"
+			"microchip,mcp4562-502"
+			"microchip,mcp4562-103"
+			"microchip,mcp4562-503"
+			"microchip,mcp4562-104"
+			"microchip,mcp4631-502"
+			"microchip,mcp4631-103"
+			"microchip,mcp4631-503"
+			"microchip,mcp4631-104"
+			"microchip,mcp4632-502"
+			"microchip,mcp4632-103"
+			"microchip,mcp4632-503"
+			"microchip,mcp4632-104"
+			"microchip,mcp4641-502"
+			"microchip,mcp4641-103"
+			"microchip,mcp4641-503"
+			"microchip,mcp4641-104"
+			"microchip,mcp4642-502"
+			"microchip,mcp4642-103"
+			"microchip,mcp4642-503"
+			"microchip,mcp4642-104"
+			"microchip,mcp4651-502"
+			"microchip,mcp4651-103"
+			"microchip,mcp4651-503"
+			"microchip,mcp4651-104"
+			"microchip,mcp4652-502"
+			"microchip,mcp4652-103"
+			"microchip,mcp4652-503"
+			"microchip,mcp4652-104"
+			"microchip,mcp4661-502"
+			"microchip,mcp4661-103"
+			"microchip,mcp4661-503"
+			"microchip,mcp4661-104"
+			"microchip,mcp4662-502"
+			"microchip,mcp4662-103"
+			"microchip,mcp4662-503"
+			"microchip,mcp4662-104"
+	-reg: Slave I2C address of the potentiometer
+
+Example:
+mcp4561: mcp4561@2e {
+	compatible = "microchip,mcp4561-103";
+	reg = <0x2e>;
+};
-- 
2.5.0