On Tue, Feb 12, 2019 at 03:20:00PM +0100, Geert Uytterhoeven wrote:
> Describe the ON Semiconductor PCA9654 I/O expander on the first I2C
> bus, which provides 8 extra GPIOs.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Thanks,
This looks fine to me but I will wait to see if there are other reviews
before applying.
Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
> ---
> GPIOs 5-7 are accessible on test points CP16, CP17, and CP72.
>
> Output tested with a multi-meter using /sys/class/gpio/.
> Input and interrupt capability tested using gpio-keys.
> ---
> arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
> index 5ac159b7830d58c1..b5c0dbf4982febd0 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
> @@ -337,6 +337,15 @@
> &i2c0 {
> status = "okay";
>
> + io_expander: gpio@20 {
> + compatible = "onnn,pca9654";
> + reg = <0x20>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&gpio2>;
> + interrupts = <22 IRQ_TYPE_LEVEL_LOW>;
> + };
> +
> hdmi-encoder@39 {
> compatible = "adi,adv7511w";
> reg = <0x39>;
> --
> 2.17.1
>
