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Fri, 20 Nov 2020 10:11:30 +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 v4 3/4] arm64: dts: imx8m: add NVMEM provider and consumer to read soc unique ID Date: Fri, 20 Nov 2020 18:11:11 +0800 Message-Id: <20201120101112.31819-3-alice.guo@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201120101112.31819-1-alice.guo@nxp.com> References: <20201120101112.31819-1-alice.guo@nxp.com> Content-Type: text/plain X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: AM0PR10CA0096.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:15::49) 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 AM0PR10CA0096.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:15::49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3589.21 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 011e38f9-56cb-46b5-f5fd-08d88d3ca64a X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB6053.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Nov 2020 10:11:30.5137 (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: DwwMrleDDrpd22frq9ybgvL4xtGK1xvGL5PZUZdfzDWSpNNsWdzW8ZULAi6KCMh0HXUbTTBdV1ij0LOiP6X1tA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB7799 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. 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 Signed-off-by: Alice Guo --- 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(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index d457ce815e68..0e0edd5db07b 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..ff12194b60a1 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..8fbcded6a091 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..6db5cba9c07d 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>; }; -- 2.17.1