This supports PCA9539 gpio expanders on I2C4 bus on ULCB Kingfisher board
Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
---
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 40885e7..1cf8466 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -70,6 +70,28 @@
};
};
+&i2c4 {
+ gpio_exp_76: pca9539@76 {
+ compatible = "nxp,pca9539";
+ reg = <0x76>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ interrupt-parent = <&gpio7>;
+ interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+ };
+
+ gpio_exp_77: pca9539@77 {
+ compatible = "nxp,pca9539";
+ reg = <0x77>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ interrupt-parent = <&gpio5>;
+ interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+ };
+};
+
&ohci0 {
status = "okay";
};
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
