linux-kernel - [PATCH] arch: arm64: dts: Set gpio5-pin9 as input by default

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Message-Id: <20211019090020.11724-1-Meng.Li@windriver.com>
Date:   Tue, 19 Oct 2021 17:00:20 +0800
From:   Meng Li <Meng.Li@...driver.com>
To:     geert+renesas@...der.be, magnus.damm@...il.com, robh+dt@...nel.org
Cc:     linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, meng.li@...driver.com
Subject: [PATCH] arch: arm64: dts: Set gpio5-pin9 as input by default

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.Li@...driver.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 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