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arm64: dts: ulcb-kf: enable TCA9539 on I2C2

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This supports TCA9539 gpio expanders on I2C2 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 05:44:05 +03:00
committed by Simon Horman
parent af75811605
commit 1189d1d4e3
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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@@ -44,6 +44,28 @@
status = "okay"; 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 { &ohci0 {
status = "okay"; status = "okay";
}; };