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Mon, 23 Nov 2020 09:51:45 +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 v5 3/4] arm64: dts: imx8m: add NVMEM provider and consumer to read soc unique ID Date: Mon, 23 Nov 2020 17:51:07 +0800 Message-Id: <20201123095108.19724-3-alice.guo@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201123095108.19724-1-alice.guo@nxp.com> References: <20201123095108.19724-1-alice.guo@nxp.com> Content-Type: text/plain X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: AM0PR10CA0088.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:15::41) 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 AM0PR10CA0088.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:15::41) 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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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5d4ae426-2068-41f9-6d9a-08d88f956309 X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB6053.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Nov 2020 09:51:45.2213 (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: TKIaEnPPy6NaNG1MAPN4OqoUTdVZbEskKmhGWQeyIJDGkRcXhcJENLogXTZ0kr81dZ65/tGecRhaXm/oj6XrJg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB7048 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 --- 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 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..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>; }; -- 2.17.1