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Tue, 22 Dec 2020 08:11:22 +0000 From: "Alice Guo (OSS)" To: robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, krzk@kernel.org Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH v9 1/4] dt-bindings: soc: imx8m: add DT Binding doc for soc unique ID Date: Tue, 22 Dec 2020 16:10:54 +0800 Message-Id: <20201222081057.26401-1-alice.guo@oss.nxp.com> X-Mailer: git-send-email 2.17.1 X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: SG2PR0601CA0022.apcprd06.prod.outlook.com (2603:1096:3::32) 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 SG2PR0601CA0022.apcprd06.prod.outlook.com (2603:1096:3::32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3676.29 via Frontend Transport; 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Signed-off-by: Alice Guo Reviewed-by: Rob Herring --- Changes for v9: - add additionalProperties for "^soc@[0-9a-f]+$" - add examples Changes for v8: - match soc node with regular expression Changes for v7: - change to a separate schema file Changes for v6: - none Changes for v5: - correct the error of using allOf Changes for v4: - use allOf to limit new version DTS files for i.MX8M to include "fsl,imx8m*-soc", nvmem-cells and nvmem-cells-names Changes for v3: - put it into Documentation/devicetree/bindings/arm/fsl.yaml - modify the description of nvmem-cells - use "make ARCH=arm64 dtbs_check" to make sure it is right Changes for v2: - remove the subject prefix "LF-2571-1" .../bindings/soc/imx/imx8m-soc.yaml | 86 +++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml -- 2.17.1 diff --git a/Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml b/Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml new file mode 100644 index 000000000000..effcc72f9425 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/imx/imx8m-soc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX8M Series SoC + +maintainers: + - Alice Guo + +description: | + NXP i.MX8M series SoCs contain fuse entries from which SoC Unique ID can be + obtained. + +select: + properties: + compatible: + contains: + enum: + - fsl,imx8mm + - fsl,imx8mn + - fsl,imx8mp + - fsl,imx8mq + required: + - compatible + +patternProperties: + "^soc@[0-9a-f]+$": + type: object + properties: + compatible: + items: + - enum: + - fsl,imx8mm-soc + - fsl,imx8mn-soc + - fsl,imx8mp-soc + - fsl,imx8mq-soc + - const: simple-bus + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: true + + dma-ranges: true + + nvmem-cells: + maxItems: 1 + description: Phandle to the SOC Unique ID provided by a nvmem node + + nvmem-cell-names: + const: soc_unique_id + + required: + - compatible + - nvmem-cells + - nvmem-cell-names + + additionalProperties: + type: object + +additionalProperties: true + +examples: + - | + / { + model = "FSL i.MX8MM EVK board"; + compatible = "fsl,imx8mm-evk", "fsl,imx8mm"; + #address-cells = <2>; + #size-cells = <2>; + + soc@0 { + compatible = "fsl,imx8mm-soc", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x0 0x3e000000>; + nvmem-cells = <&imx8mm_uid>; + nvmem-cell-names = "soc_unique_id"; + }; + }; + +...