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authorVladimir Barinov <vladimir.barinov@cogentembedded.com>2017-10-06 05:44:11 +0300
committerSimon Horman <horms+renesas@verge.net.au>2017-10-10 10:51:23 +0300
commit0f9c47b2446beb4ea90ba90870cbe72b6419d03b (patch)
tree167f4d60b3948fd78dcb3c1b0c3b794f870eefe9 /arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
parent1189d1d4e3f97775e4e51571aa1dfbc33e0638bb (diff)
downloadlinux-0f9c47b2446beb4ea90ba90870cbe72b6419d03b.tar.xz
arm64: dts: ulcb-kf: enable TCA9539 on I2C4
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>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/ulcb-kf.dtsi')
-rw-r--r--arch/arm64/boot/dts/renesas/ulcb-kf.dtsi22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 80444aee7bcb..a6c2343e23cb 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -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 {
status = "okay";
};