linux-kernel - [PATCH 15/16] drivers/fsi: Add documentation for GPIO bindings

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Message-Id: <1481069677-53660-16-git-send-email-christopher.lee.bostic@gmail.com>
Date:   Tue,  6 Dec 2016 18:14:36 -0600
From:   Chris Bostic <christopher.lee.bostic@...il.com>
To:     robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.uk,
        gregkh@...uxfoundation.org, sre@...nel.org,
        mturquette@...libre.com, geert+renesas@...der.be,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Chris Bostic <cbostic@...ibm.com>, joel@....id.au, jk@...abs.org,
        linux-kernel@...r.kernel.org, andrew@...id.au,
        alistair@...ple.id.au, benh@...nel.crashing.org
Subject: [PATCH 15/16] drivers/fsi: Add documentation for GPIO bindings

From: Chris Bostic <cbostic@...ibm.com>

Add fsi master gpio device tree binding documentation

Signed-off-by: Chris Bostic <cbostic@...ibm.com>
---
 .../devicetree/bindings/fsi/fsi-master-gpio.txt     | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt

diff --git a/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt b/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt
new file mode 100644
index 0000000..ff3a62e
--- /dev/null
+++ b/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt
@@ -0,0 +1,21 @@
+Device-tree bindings for gpio-based FSI master driver
+-----------------------------------------------------
+
+Required properties:
+	- compatible = "ibm,fsi-master-gpio";
+	- clk-gpios;
+	- data-gpios;
+
+Optional properties:
+	- enable-gpios;
+	- trans-gpios;
+	- mux-gpios;
+
+fsi-master {
+	compatible = "ibm,fsi-master", "ibm,fsi-master-gpio";
+	clk-gpios = <&gpio 0 &gpio 6>;
+	data-gpios = <&gpio 1 &gpio 7>;
+	enable-gpios = <&gpio 2 &gpio 8>;	/* Enable FSI data in/out */
+	trans-gpios = <&gpio 3 &gpio 9>;	/* Volts translator direction */
+	mux-gpios = <&gpio 4> &gpio 10>;	/* Multiplexer for FSI pins */
+}
-- 
1.8.2.2