Hi Vladimir,
On Thu, Sep 7, 2017 at 12:36 AM, Vladimir Barinov
<vladimir.barinov@xxxxxxxxxxxxxxxxxx> wrote:
> This supports PCA9539 gpio expanders on I2C2 bus on ULCB Kingfisher board
>
> Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> index 71dee77..40885e7 100644
> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -48,6 +48,28 @@
> status = "okay";
> };
>
> +&i2c2 {
> + gpio_exp_74: pca9539@74 {
Please use generic names: gpio@74
> + compatible = "nxp,pca9539";
> + reg = <0x74>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + interrupt-parent = <&gpio6>;
> + interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
> + };
> +
> + gpio_exp_75: pca9539@75 {
gpio@75
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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