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Message-Id: <1475853451-22121-9-git-send-email-pantelis.antoniou@konsulko.com>
Date:   Fri,  7 Oct 2016 18:17:29 +0300
From:   Pantelis Antoniou <pantelis.antoniou@...sulko.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Frank Rowand <frowand.list@...il.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Wim Van Sebroeck <wim@...ana.be>,
        Guenter Roeck <linux@...ck-us.net>,
        Peter Rosin <peda@...ntia.se>,
        Debjit Ghosh <dghosh@...iper.net>,
        Georgi Vlaev <gvlaev@...iper.net>,
        Guenter Roeck <groeck@...iper.net>,
        JawaharBalaji Thirumalaisamy <jawaharb@...iper.net>,
        Rajat Jain <rajatjain@...iper.net>,
        Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-mtd@...ts.infradead.org, linux-watchdog@...r.kernel.org
Subject: [PATCH 08/10] gpio: ptxpmb-cpld: Document bindings of PTXPMB's CPLD GPIO

From: Georgi Vlaev <gvlaev@...iper.net>

Add device tree bindings document for the GPIO driver of
Juniper's PTXPMB/NGPMB CPLD.

Signed-off-by: Georgi Vlaev <gvlaev@...iper.net>
[Ported from Juniper kernel]
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@...sulko.com>
---
 .../bindings/gpio/jnx,gpio-ptxpmb-cpld.txt         | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/jnx,gpio-ptxpmb-cpld.txt

diff --git a/Documentation/devicetree/bindings/gpio/jnx,gpio-ptxpmb-cpld.txt b/Documentation/devicetree/bindings/gpio/jnx,gpio-ptxpmb-cpld.txt
new file mode 100644
index 0000000..1122021
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/jnx,gpio-ptxpmb-cpld.txt
@@ -0,0 +1,30 @@
+Juniper PTXPMB CPLD GPIO block
+
+Required properties:
+
+- compatible:
+    Must be "jnx,gpio-ptxpmb-cpld"
+
+- #gpio-cells:
+    Should be <2>.  The first cell is the pin number (within the controller's
+    pin space), and the second is used for the following flags:
+	bit[0]: direction (0 = out, 1 = in)
+	bit[1]: init high
+	bit[2]: active low
+
+- gpio-controller:
+    Specifies that the node is a GPIO controller.
+
+Optional properties:
+
+- reg:
+    Address and length of the register set for the device. Usually supplied by
+    the parent MFD driver
+
+Example:
+
+gpio_cpld: cpld_gpio {
+	compatible = "jnx,gpio-ptxpmb-cpld";
+	#gpio-cells = <2>;
+	gpio-controller;
+};
-- 
1.9.1

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