From: Limeng <[email protected]>

The gpio5-pin9 is used as the interrupt pin of i2c external
gpio chip, so set this pin as input by default.

Signed-off-by: Meng Li <[email protected]>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi 
b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 202177706cde..8986a7e6e099 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -205,6 +205,15 @@
        };
 };
 
+&gpio5 {
+       gpio_exp_77_int {
+               gpio-hog;
+               gpios = <9 0>;
+               input;
+               line-name = "gpio-exp-77-int";
+       };
+};
+
 &i2c4 {
        i2cswitch4: i2c-switch@71 {
                compatible = "nxp,pca9548";
-- 
2.17.1

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