From: Vladimir Barinov <[email protected]> This supports TCA9539 gpio expanders on I2C2 bus on ULCB Kingfisher board
Signed-off-by: Vladimir Barinov <[email protected]> Reviewed-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Simon Horman <[email protected]> --- 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 27657fec9696..80444aee7bcb 100644 --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi @@ -44,6 +44,28 @@ status = "okay"; }; +&i2c2 { + gpio_exp_74: gpio@74 { + compatible = "ti,tca9539"; + reg = <0x74>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + interrupt-parent = <&gpio6>; + interrupts = <8 IRQ_TYPE_EDGE_FALLING>; + }; + + gpio_exp_75: gpio@75 { + compatible = "ti,tca9539"; + reg = <0x75>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + interrupt-parent = <&gpio6>; + interrupts = <4 IRQ_TYPE_EDGE_FALLING>; + }; +}; + &ohci0 { status = "okay"; }; -- 2.11.0
