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arm64: dts: ulcb-kf: enable TCA9539 on I2C4

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This supports TCA9539 gpio expanders on I2C4 bus on ULCB Kingfisher board

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Vladimir Barinov 2017-10-06 05:44:11 +03:00 committed by Simon Horman
parent 1189d1d4e3
commit 0f9c47b244
1 changed files with 22 additions and 0 deletions
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22
arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
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@ -66,6 +66,28 @@ gpio_exp_75: gpio@75 {
};
};
&i2c4 {
gpio_exp_76: gpio@76 {
compatible = "ti,tca9539";
reg = <0x76>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
interrupt-parent = <&gpio7>;
interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
};
gpio_exp_77: gpio@77 {
compatible = "ti,tca9539";
reg = <0x77>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
interrupt-parent = <&gpio5>;
interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
};
};
&ohci0 {
status = "okay";
};