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Message-Id: <1475853614-22409-6-git-send-email-pantelis.antoniou@konsulko.com>
Date:   Fri,  7 Oct 2016 18:20:13 +0300
From:   Pantelis Antoniou <pantelis.antoniou@...sulko.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Frank Rowand <frowand.list@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Debjit Ghosh <dghosh@...iper.net>,
        Georgi Vlaev <gvlaev@...iper.net>,
        Guenter Roeck <linux@...ck-us.net>,
        JawaharBalaji Thirumalaisamy <jawaharb@...iper.net>,
        Mohammad Kamil <mkamil@...iper.net>,
        Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, devel@...verdev.osuosl.org
Subject: [PATCH 5/6] gpio: gpio-cbc-presense: Document bindings of CBC FPGA presence

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

Add device tree bindings document for the presence virtual GPIOs
on Juniper's CBC FPGA.

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-cbc-presense.txt        | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/jnx,gpio-cbc-presense.txt

diff --git a/Documentation/devicetree/bindings/gpio/jnx,gpio-cbc-presense.txt b/Documentation/devicetree/bindings/gpio/jnx,gpio-cbc-presense.txt
new file mode 100644
index 0000000..f44e5a0
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/jnx,gpio-cbc-presense.txt
@@ -0,0 +1,31 @@
+Juniper CBC FPGA GPIO presence block
+
+Required properties:
+
+- compatible:
+    Must be one of "jnx,gpio-cbc-presence", "jnx,gpio-cbc-presence-other",
+    "jnx,gpio-cbc-presence-sib"
+
+Optional properties:
+
+- reg:
+    Address and length of the register set for the device. This is optional since
+    usually the parent MFD driver fills it in.
+
+- #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.
+
+Example:
+
+gpio_cbc_presense {
+	compatible = "jnx,gpio-cbc-presense";
+	#gpio-cells = <2>;
+	gpio-controller;
+};
-- 
1.9.1

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