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Mon, 1 Jul 2024 08:13:44 -0700 From: Krishna Yarlagadda To: , , , , , CC: , , , , , , , , , , , , , Subject: [RFC PATCH V2 12/12] arm64: tegra: SDHCI timing settings Date: Mon, 1 Jul 2024 20:42:30 +0530 Message-ID: <20240701151231.29425-13-kyarlagadda@nvidia.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240701151231.29425-1-kyarlagadda@nvidia.com> References: <20240701151231.29425-1-kyarlagadda@nvidia.com> Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE3A:EE_|PH0PR12MB8174:EE_ X-MS-Office365-Filtering-Correlation-Id: 36177853-95f8-4dfe-fc22-08dc99e071db X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|36860700013|376014|7416014; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(1800799024)(36860700013)(376014)(7416014);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Jul 2024 15:14:04.0640 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 36177853-95f8-4dfe-fc22-08dc99e071db X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE3A.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB8174 Set SDHCI timing registers through config settings for Tegra234 chip and P3701 board. Signed-off-by: Krishna Yarlagadda --- arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi | 36 ++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi index 7e5b9c10c617..30c125636123 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi @@ -426,6 +426,34 @@ i2c-standard-cfg { }; + configmmc1: config-mmc3400000 { + + sdhci-mmc-hs200-cfg { + nvidia,num-tuning-iter = <0x2>; + }; + + sdhci-uhs-sdr104-cfg { + nvidia,num-tuning-iter = <0x2>; + }; + + sdhci-uhs-sdr50-cfg { + nvidia,num-tuning-iter = <0x4>; + }; + + }; + + configmmc2: config-mmc3460000 { + + sdhci-mmc-hs200-cfg { + nvidia,num-tuning-iter = <0x2>; + }; + + sdhci-mmc-hs400-cfg { + nvidia,num-tuning-iter = <0x2>; + }; + + }; + }; bus@0 { @@ -461,5 +489,13 @@ i2c@c250000 { config-settings = <&configi2c8>; }; + mmc@3400000 { + config-settings = <&configmmc1>; + }; + + mmc@3460000 { + config-settings = <&configmmc2>; + }; + }; };