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kernel.org; dmarc=none action=none header.from=nxp.com; Received: from AM6PR04MB6053.eurprd04.prod.outlook.com (2603:10a6:20b:b9::10) by AM7PR04MB7096.eurprd04.prod.outlook.com (2603:10a6:20b:113::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3589.22; Tue, 24 Nov 2020 02:00:21 +0000 Received: from AM6PR04MB6053.eurprd04.prod.outlook.com ([fe80::78fe:9b7a:a2ac:9631]) by AM6PR04MB6053.eurprd04.prod.outlook.com ([fe80::78fe:9b7a:a2ac:9631%7]) with mapi id 15.20.3589.030; Tue, 24 Nov 2020 02:00:21 +0000 From: Alice Guo To: robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, krzk@kernel.org Cc: linux-imx@nxp.com, peng.fan@nxp.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 3/4] arm64: dts: imx8m: add NVMEM provider and consumer to read soc unique ID Date: Tue, 24 Nov 2020 09:59:48 +0800 Message-Id: <20201124015949.29262-3-alice.guo@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201124015949.29262-1-alice.guo@nxp.com> References: <20201124015949.29262-1-alice.guo@nxp.com> X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: SG2PR04CA0188.apcprd04.prod.outlook.com (2603:1096:4:14::26) To AM6PR04MB6053.eurprd04.prod.outlook.com (2603:10a6:20b:b9::10) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from nxf55104-OptiPlex-7060.ap.freescale.net (119.31.174.71) by SG2PR04CA0188.apcprd04.prod.outlook.com (2603:1096:4:14::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3589.20 via Frontend Transport; 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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 64668bf6-a04b-446c-f409-08d8901cb30e X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB6053.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Nov 2020 02:00:21.3689 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: d/m9b/vtitOI/AMZmQwdIOUypMaZLbbUuSkUAqmV5L65pAgNJ9HinMcOxHFiZnmBgWZdOdPFv9cQt6BtyA+TSA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB7096 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org In order to be able to use NVMEM APIs to read soc unique ID, add the nvmem data cell and name for nvmem-cells to the "soc" node, and add a nvmem node which provides soc unique ID to efuse@30350000. Signed-off-by: Alice Guo Reviewed-by: Krzysztof Kozlowski --- v2: remove the subject prefix "LF-2571-3" v3: convert register addresses and sizes to hex v4: delete "stuff" in subject and commit message, add detailed description v5: change underscore of device node to hyphen v6: none arch/arm64/boot/dts/freescale/imx8mm.dtsi | 6 ++++++ arch/arm64/boot/dts/freescale/imx8mn.dtsi | 6 ++++++ arch/arm64/boot/dts/freescale/imx8mp.dtsi | 6 ++++++ arch/arm64/boot/dts/freescale/imx8mq.dtsi | 6 ++++++ 4 files changed, 24 insertions(+) -- 2.17.1 diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index d457ce815e68..9bee6f1889a4 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -261,6 +261,8 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0x0 0x0 0x3e000000>; + nvmem-cells = <&imx8mm_uid>; + nvmem-cell-names = "soc_unique_id"; aips1: bus@30000000 { compatible = "fsl,aips-bus", "simple-bus"; @@ -518,6 +520,10 @@ #address-cells = <1>; #size-cells = <1>; + imx8mm_uid: unique-id@410 { + reg = <0x4 0x8>; + }; + cpu_speed_grade: speed-grade@10 { reg = <0x10 4>; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi index 6d3a809a00fd..2edfde1119b8 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi @@ -245,6 +245,8 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0x0 0x0 0x3e000000>; + nvmem-cells = <&imx8mn_uid>; + nvmem-cell-names = "soc_unique_id"; aips1: bus@30000000 { compatible = "fsl,aips-bus", "simple-bus"; @@ -388,6 +390,10 @@ #address-cells = <1>; #size-cells = <1>; + imx8mn_uid: unique-id@410 { + reg = <0x4 0x8>; + }; + cpu_speed_grade: speed-grade@10 { reg = <0x10 4>; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index ec6ac523ecfc..9401e92f1c84 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -222,6 +222,8 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0x0 0x0 0x3e000000>; + nvmem-cells = <&imx8mp_uid>; + nvmem-cell-names = "soc_unique_id"; aips1: bus@30000000 { compatible = "fsl,aips-bus", "simple-bus"; @@ -328,6 +330,10 @@ #address-cells = <1>; #size-cells = <1>; + imx8mp_uid: unique-id@420 { + reg = <0x8 0x8>; + }; + cpu_speed_grade: speed-grade@10 { reg = <0x10 4>; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index 9b6d9307e5d7..a2a885f1a07a 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -291,6 +291,8 @@ #size-cells = <1>; ranges = <0x0 0x0 0x0 0x3e000000>; dma-ranges = <0x40000000 0x0 0x40000000 0xc0000000>; + nvmem-cells = <&imx8mq_uid>; + nvmem-cell-names = "soc_unique_id"; bus@30000000 { /* AIPS1 */ compatible = "fsl,aips-bus", "simple-bus"; @@ -555,6 +557,10 @@ #address-cells = <1>; #size-cells = <1>; + imx8mq_uid: soc-uid@410 { + reg = <0x4 0x8>; + }; + cpu_speed_grade: speed-grade@10 { reg = <0x10 4>; };