From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vignesh R Subject: [PATCH 2/2] ARM: dts: am335x-icev2: Add nodes for gpio-decoder Date: Fri, 12 Aug 2016 10:22:29 +0530 Message-ID: <20160812045229.29241-3-vigneshr@ti.com> References: <20160812045229.29241-1-vigneshr@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20160812045229.29241-1-vigneshr-l0cyMroinI0@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Dmitry Torokhov Cc: Rob Herring , Mark Rutland , Tony Lindgren , Russell King , Arnd Bergmann , John Stultz , S Twiss , Jorge Ramirez-Ortiz , Moritz Fischer , Daniel Hung-yu Wu , Vignesh R , Grant Grundler , linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: linux-omap@vger.kernel.org AM335x ICE board has a rotary-switch connected to PCA9536 I2C GPIO expander. The position of the rotary-switch is reflected by status of GPIO lines. Add gpio-decoder node to read these GPIO line status via gpio-decoder driver and report it as an input event to the system. Signed-off-by: Vignesh R --- arch/arm/boot/dts/am335x-icev2.dts | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/am335x-icev2.dts b/arch/arm/boot/dts/am335x-icev2.dts index 7d8b8fefdf08..f2de594343f2 100644 --- a/arch/arm/boot/dts/am335x-icev2.dts +++ b/arch/arm/boot/dts/am335x-icev2.dts @@ -139,6 +139,15 @@ default-state = "off"; }; }; + gpio-decoder0 { + compatible = "gpio-decoder"; + 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 */ + gpio-decoder,max-value = <9>; + }; }; &am33xx_pinmux { -- 2.9.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html