From: Limeng <meng...@windriver.com>
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 <meng...@windriver.com>
---
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 27851a77f538..a1e70b52727b 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 {
gpio_exp_76: gpio@76 {
compatible = "ti,tca9539";
--
2.18.1
--
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