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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH] arm64: tegra: Fix PCIe regulator for Orin Jetson AGX Content-Language: en-US To: Thierry Reding , Vidya Sagar , Rob Herring , Krzysztof Kozlowski Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, "linux-tegra@vger.kernel.org" References: <20230526111727.26058-1-jonathanh@nvidia.com> From: Jon Hunter In-Reply-To: <20230526111727.26058-1-jonathanh@nvidia.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: LO4P123CA0589.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:295::17) To CO6PR12MB5444.namprd12.prod.outlook.com (2603:10b6:5:35e::8) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO6PR12MB5444:EE_|DM4PR12MB7573:EE_ X-MS-Office365-Filtering-Correlation-Id: 8fcdadca-7a89-414b-8ef8-08db5ddb1b85 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CO6PR12MB5444.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(39860400002)(366004)(376002)(136003)(396003)(346002)(451199021)(38100700002)(53546011)(2616005)(6512007)(6506007)(83380400001)(186003)(478600001)(6666004)(2906002)(86362001)(31696002)(6486002)(110136005)(4326008)(36756003)(66476007)(66556008)(66946007)(41300700001)(316002)(31686004)(8676002)(8936002)(5660300002)(45980500001)(43740500002);DIR:OUT;SFP:1101; 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On 26/05/2023 12:17, Jon Hunter wrote: > The PCIe slot on the Jetson Orin AGX is not working and PCIe cards > are not detected. The regulator for the 3.3V regulator for the PCIe is > using the wrong GPIO for turning on the regulator. Fix this by updating > the 3.3V regulator to use the correct GPIO. > > Signed-off-by: Jon Hunter > --- > arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi > index e161618cfca8..4dce2e214002 100644 > --- a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi > +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi > @@ -142,7 +142,7 @@ vdd_3v3_pcie: regulator-vdd-3v3-pcie { > regulator-name = "VDD_3V3_PCIE"; > regulator-min-microvolt = <3300000>; > regulator-max-microvolt = <3300000>; > - gpio = <&gpio TEGRA234_MAIN_GPIO(Z, 2) GPIO_ACTIVE_HIGH>; > + gpio = <&gpio TEGRA234_MAIN_GPIO(H, 4) GPIO_ACTIVE_HIGH>; > regulator-boot-on; > enable-active-high; > }; -- nvpublic