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

[Chris Bostic]

From: Chris Bostic <cbostic at us.ibm.com>

Add fsi master gpio device tree binding documentation

Signed-off-by: Chris Bostic <cbostic at us.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