From: Geert Uytterhoeven <[email protected]> Describe the ON Semiconductor PCA9654 I/O expander on the first I2C bus, which provides 8 extra GPIOs.
Signed-off-by: Geert Uytterhoeven <[email protected]> Reviewed-by: Niklas Söderlund <[email protected]> Signed-off-by: Simon Horman <[email protected]> --- 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 144c0820cf60..4d14926b20f7 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>; -- 2.11.0
