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[18/31] arm64: dts: ulcb-kf: enable TCA9539 on I2C2

Message ID 1189d1d4e3f97775e4e51571aa1dfbc33e0638bb.1508495040.git.horms+renesas@verge.net.au (mailing list archive)
State Accepted
Commit 1189d1d4e3f97775e4e51571aa1dfbc33e0638bb
Headers show

Commit Message

Simon Horman Oct. 20, 2017, 10:28 a.m. UTC 
From: Vladimir Barinov <vladimir.barinov@cogentembedded.com>

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>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
diff mbox

Patch

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 27657fec9696..80444aee7bcb 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -44,6 +44,28 @@ 
 	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 {
 	status = "okay";
 };