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Message-Id: <1452704263-16763-1-git-send-email-julien.grossholtz@savoirfairelinux.com>
Date: Wed, 13 Jan 2016 11:57:42 -0500
From: Julien Grossholtz <julien.grossholtz@...oirfairelinux.com>
To: linus.walleij@...aro.org, gnurou@...il.com
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
kernel@...oirfairelinux.com,
Julien Grossholtz <julien.grossholtz@...oirfairelinux.com>
Subject: [PATCH 1/2] gpio: add bindings for TS-4800 gpio controller
Device tree binding documentation for the TS-4800
GPIO controller.
Signed-off-by: Julien Grossholtz <julien.grossholtz@...oirfairelinux.com>
---
.../devicetree/bindings/gpio/gpio-ts4800.txt | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-ts4800.txt
diff --git a/Documentation/devicetree/bindings/gpio/gpio-ts4800.txt b/Documentation/devicetree/bindings/gpio/gpio-ts4800.txt
new file mode 100644
index 0000000..57749f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-ts4800.txt
@@ -0,0 +1,21 @@
+* TS-4800 FPGA's GPIO controller bindings
+
+Required properties:
+- compatible: Must be "technologic,ts4800-gpio".
+- #gpio-cells: Should be two. The first cell is the pin number.
+- reg: Physical base address of the controller and length
+ of memory mapped region.
+
+Optional property:
+- ngpios: Number of gpios this controller has. If not set,
+ the default value (16) is used.
+
+Example:
+
+gpio1: gpio {
+ compatible = "technologic,ts4800-gpio";
+ reg = <0x10020 0x6>;
+ ngpios = <8>;
+ gpio-controller;
+ #gpio-cells = <2>;
+};
--
2.5.0
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