| Message ID | 20160812045229.29241-3-vigneshr@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, Aug 12, 2016 at 10:22:29AM +0530, Vignesh R wrote: > 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 > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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 {
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(+)