linux-kernel - [PATCH 1/4] arm64: tegra: p2597: Fix gpio for vdd-1v8-dis regulator

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Message-Id: <20250224-diogo-gpio_exp-v1-1-80fb84ac48c6@tecnico.ulisboa.pt>
Date: Mon, 24 Feb 2025 12:17:36 +0000
From: Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>
Cc: devicetree@...r.kernel.org, linux-tegra@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>
Subject: [PATCH 1/4] arm64: tegra: p2597: Fix gpio for vdd-1v8-dis
 regulator

According to the board schematics the enable pin of this regulator is
connected to gpio line #9 of the first instance of the TCA9539
GPIO expander, so adjust it.

Signed-off-by: Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>
---
 arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
index 63b94a04308e86bd442d6c1d6558bdcf2fc65825..38d49d612c0c19181ec63790112f7a73597b8a82 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
@@ -1686,7 +1686,7 @@ vdd_1v8_dis: regulator-vdd-1v8-dis {
 		regulator-min-microvolt = <1800000>;
 		regulator-max-microvolt = <1800000>;
 		regulator-always-on;
-		gpio = <&exp1 14 GPIO_ACTIVE_HIGH>;
+		gpio = <&exp1 9 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 		vin-supply = <&vdd_1v8>;
 	};

-- 
2.48.1