[PATCH 19/31] arm64: dts: ulcb-kf: enable TCA9539 on I2C4
Simon Horman
horms+renesas at verge.net.au
Fri Oct 20 03:28:22 PDT 2017
From: Vladimir Barinov <vladimir.barinov at cogentembedded.com>
This supports TCA9539 gpio expanders on I2C4 bus on ULCB Kingfisher board
Signed-off-by: Vladimir Barinov <vladimir.barinov at cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
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 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 at 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 at 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";
};
--
2.11.0
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