linux-kernel - [PATCH 3/7] ARM: dts: aspeed: mtjade: Add the gpio-hog

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Message-Id: <20231005035525.19036-4-chanh@os.amperecomputing.com>
Date:   Thu,  5 Oct 2023 10:55:21 +0700
From:   Chanh Nguyen <chanh@...amperecomputing.com>
To:     OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Cc:     Chanh Nguyen <chanh@...amperecomputing.com>
Subject: [PATCH 3/7] ARM: dts: aspeed: mtjade: Add the gpio-hog

Add the GPIOR5 as a gpio-hog with output high so that can
power the OCP card once the BMC booting.

Add the GPIOAC5 as a gpio-hog with output high to notice
the BMC state.

Signed-off-by: Chanh Nguyen <chanh@...amperecomputing.com>
---
 .../boot/dts/aspeed/aspeed-bmc-ampere-mtjade.dts   | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjade.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjade.dts
index c87be433bdd0..8ab5f301f926 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjade.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjade.dts
@@ -805,4 +805,18 @@
 		output-high;
 		line-name = "i2c4-o-en";
 	};
+
+	ocp-aux-pwren-hog {
+		gpio-hog;
+		gpios = <ASPEED_GPIO(R, 3) GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "ocp-aux-pwren";
+	};
+
+	bmc-ready {
+		gpio-hog;
+		gpios = <ASPEED_GPIO(AC, 5) GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "bmc-ready";
+	};
 };
-- 
2.17.1