raspi/linux
1
0
Fork 1
mirror of https://github.com/raspberrypi/linux.git synced 2025-12-06 01:49:46 +00:00
Code Issues Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

22
arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
View File

@@ -66,6 +66,28 @@
}; };
}; };
&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 { &ohci0 {
status = "okay"; status = "okay";
}; };