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From: Vignesh R <vigneshr@ti.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Tony Lindgren <tony@atomide.com>
Cc: Jonathan Corbet <corbet@lwn.net>, Johan Hovold <johan@kernel.org>,
	Sylvain Rochet <sylvain.rochet@finsecur.com>,
	Vignesh R <vigneshr@ti.com>,
	Masanari Iida <standby24x7@gmail.com>,
	Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>,
	S Twiss <stwiss.opensource@diasemi.com>,
	Krzysztof Kozlowski <k.kozlowski@samsung.com>,
	Moritz Fischer <moritz.fischer@ettus.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Timo Teras <timo.teras@iki.fi>,
	Guido Martinez <guido@vanguardiasur.com.ar>,
	Clifton Barnes <clifton.a.barnes@gmail.com>,
	Uwe Kleine-Konig <u.kleine-koenig@pengutronix.de>,
	<linux-input@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linux-doc@vger.kernel.org>,
	<linux-omap@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>
Subject: [RFC PATCH 2/2] ARM: dts: am335x-icev2: Add rotary-encoder node
Date: Thu, 19 May 2016 14:34:01 +0530	[thread overview]
Message-ID: <1463648641-6931-3-git-send-email-vigneshr@ti.com> (raw)
In-Reply-To: <1463648641-6931-1-git-send-email-vigneshr@ti.com>

AM335x ICE board has a rotary-encoder connected to PCA9536 I2C GPIO
expander. Add DT entry for the same.

Signed-off-by: Vignesh R <vigneshr@ti.com>
---

depends on patches to Add TI PCA9536 node posted to linux-gpio:
http://www.spinics.net/lists/arm-kernel/msg505194.html

 arch/arm/boot/dts/am335x-icev2.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-icev2.dts b/arch/arm/boot/dts/am335x-icev2.dts
index 7d8b8fefdf08..672dccbf203d 100644
--- a/arch/arm/boot/dts/am335x-icev2.dts
+++ b/arch/arm/boot/dts/am335x-icev2.dts
@@ -139,6 +139,17 @@
 			default-state = "off";
 		};
 	};
+
+	rotary-in0 {
+		compatible = "rotary-encoder";
+		gpios = <&pca9536 3 GPIO_ACTIVE_HIGH>,
+			<&pca9536 2 GPIO_ACTIVE_HIGH>,
+			<&pca9536 1 GPIO_ACTIVE_HIGH>,
+			<&pca9536 0 GPIO_ACTIVE_HIGH>;
+		linux,axis = <0>; /* ABS_X */
+		rotary-encoder,steps = <10>;
+		rotary-encoder,absolute-encoder;
+	};
 };
 
 &am33xx_pinmux {
-- 
2.8.2

      parent reply	other threads:[~2016-05-19  9:06 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-19  9:03 [RFC PATCH 0/2] AM335x-ICE: Add support for rotary-encoder Vignesh R
2016-05-19  9:04 ` [RFC PATCH 1/2] Input: rotary-encoder- Add support for absolute encoder Vignesh R
2016-05-19 11:25   ` Krzysztof Kozlowski
2016-05-19 11:44     ` Vignesh R
2016-05-20 16:34   ` Dmitry Torokhov
2016-05-23  9:18     ` R, Vignesh
2016-05-25  8:44       ` Vignesh R
2016-06-16 10:47         ` Vignesh R
2016-07-19 13:04           ` R, Vignesh
2016-05-20 21:49   ` Rob Herring
2016-05-22 10:26   ` Uwe Kleine-König
2016-05-23 11:18     ` R, Vignesh
2016-05-23 13:18       ` Uwe Kleine-König
2016-05-24  5:09         ` Vignesh R
2016-05-24  8:20           ` Uwe Kleine-König
2016-05-25  8:44             ` Vignesh R
2016-05-19  9:04 ` Vignesh R [this message]

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