[PATCH 2/2] ARM: dts: am335x-icev2: Add nodes for gpio-decoder
From: robh@kernel.org (Rob Herring)
Date: 2016-08-12 19:00:36
Also in:
linux-devicetree, linux-input, linux-omap, lkml
On Fri, Aug 12, 2016 at 10:22:29AM +0530, Vignesh R wrote:
quoted hunk ↗ jump to hunk
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 <vigneshr@ti.com> --- 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 {
Drop the 0 here.
+ 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