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Groups > linux.kernel > #1461424
| From | Rob Herring <robh@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] ARM: dts: am335x-icev2: Add nodes for gpio-decoder |
| Date | 2016-08-12 21:10 +0200 |
| Message-ID | <s5q09-5KN-29@gated-at.bofh.it> (permalink) |
| References | <s5cJz-5sg-3@gated-at.bofh.it> <s5cJz-5sg-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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
>
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[PATCH 2/2] ARM: dts: am335x-icev2: Add nodes for gpio-decoder Vignesh R <vigneshr@ti.com> - 2016-08-12 07:00 +0200 Re: [PATCH 2/2] ARM: dts: am335x-icev2: Add nodes for gpio-decoder Rob Herring <robh@kernel.org> - 2016-08-12 21:10 +0200
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