[PATCH 2/2] ARM: dts: am335x-icev2: Add nodes for gpio-decoder
From: Vignesh R <hidden>
Date: 2016-08-12 04:54:28
Also in:
linux-arm-kernel, linux-devicetree, linux-input, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- 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
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