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Wed, 8 Sep 2021 10:03:09 +0000 From: Joakim Zhang To: srinivas.kandagatla@linaro.org, robh+dt@kernel.org, shawnguo@kernel.org Cc: linux-imx@nxp.com, kernel@pengutronix.de, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/6] dt-bindings: nvmem: add cell-type to nvmem cells Date: Wed, 8 Sep 2021 18:02:52 +0800 Message-Id: <20210908100257.17833-2-qiangqing.zhang@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210908100257.17833-1-qiangqing.zhang@nxp.com> References: <20210908100257.17833-1-qiangqing.zhang@nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR01CA0105.apcprd01.prod.exchangelabs.com (2603:1096:3:15::31) To DB8PR04MB6795.eurprd04.prod.outlook.com (2603:10a6:10:fa::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.71) by SG2PR01CA0105.apcprd01.prod.exchangelabs.com (2603:1096:3:15::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4500.14 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?DLfsEKK3FJf/8LCMBcmKp2fCz7bufHJuRNTaqINAVnVKku0OmEIoi8R8K5vt?= =?us-ascii?Q?Gw4L68ylTE6cwoWS/QdojriEkn+kRYWEArd5w9aXzmjTqTAV6JWD3YtGO2Er?= =?us-ascii?Q?Myq6o87oWis9jniSixvdu3LiLQ+sp6UXcKpilI+A6XDFnaA+V4AueJrTp3uY?= =?us-ascii?Q?WAofNXVU5r+b3siO3HqDUAaHM/hM+yAj4GsMkPl8KpPm87KwNf41KsiknK2G?= =?us-ascii?Q?zTYeUx0dRnOLPOkHHY3zQJaEwmYpxhVnMn9awg+ljY/CnF5ADBuKSNkhH1a2?= =?us-ascii?Q?lhtMiEsMmiWhr7jyA/+oqHykbS++03YJHvWF12njvsJepemZgTSjZ86xYpby?= =?us-ascii?Q?0vqrVyPLrIS0O4BQUE+SVJByvW9fQj7dp+lYRxM0jDcCRmrExTF5DbLwETHi?= =?us-ascii?Q?9iYjOS8YOEWMamblBc9adMuGKO/PsOQQilRVzZLylZNrJZSIy5Q6ofzt5UUP?= =?us-ascii?Q?Pg7kgh4xQnAz4/0DfqgNUbQW+Bx1gT7gL3vxJH2Hrz24Qqcv5BFFMH6pWlO+?= =?us-ascii?Q?Lxekmg1R4as/KikI9/O3oYIku2TMVKnhHhpYsgRqwC2z4vKuemIU1gKMoHrI?= =?us-ascii?Q?p5vgxNAx/ujDPu3N5kBcNNiKV7vsvBASJZWyHdVm499CfmjVxrDy+p2rMhac?= =?us-ascii?Q?TdcHidoNhxTWPuGIDTa/qvy+OLYbHmhsrei5ShLbbSJ4fapIfdsQmjU2rRI5?= =?us-ascii?Q?I/e3apsrzJM7FXrVJudfe9jHzZFyc/2NTp1zytfV9ihvr/Uip9hMDuvKaZYH?= =?us-ascii?Q?XjsWAM5HwDeCLoqc2MfDc7AF1vNEbr9RnwN9V1iEbgIwbhniBX5wUxqAEljU?= =?us-ascii?Q?4QB+wqhCrW6Q8itnRPAXZWFY9UVCj4OKKg3HIF/q0rDAFNl32hBGP5UURFp2?= =?us-ascii?Q?dvYSHC/2bsfFOtfk2vqK2Hz0KRJh3mmcQn0NrsOgSATztietHBmaf+HKLuPw?= =?us-ascii?Q?vzPerP+uhIcBYD8NjAHvxHFoYqJlzUZLU2SwjVrCLJTQrKjADGhpAlcWsZXC?= =?us-ascii?Q?xPIQOxstaRJYq9YEDdNRxxHC/PZDEHSDy214BllnPvkYS00HohcDPmp3dfaH?= =?us-ascii?Q?RCXzz/2+eKcjirSrAkuVY8anik4+6o5aY14qbAupfRx0dpNsSLaY5nzCGqQv?= =?us-ascii?Q?et8mmWXGIS2S2BH0yk9HR6YYuB6rm9XOEZaB+jd+FNpnBlk6a23zbukp98J0?= =?us-ascii?Q?usTWnCLZ//ofGpb3O4QkO1jK8HrVCd9pnfTJNzGGI0Bn9gZZX9RviENIYxOf?= =?us-ascii?Q?smFHr4P9zSrAdkDvQbAfoC6YppCpgD2ETKC/dD/LJvpapuTZIBkpQmPpXrHU?= =?us-ascii?Q?43jqtmFdi8jA4zsMfR0FSOGC?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: dddb7b2e-2442-4daf-3d71-08d972afdc7a X-MS-Exchange-CrossTenant-AuthSource: DB8PR04MB6795.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Sep 2021 10:03:09.4891 (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: 86NOh04YHHGlWMzddX8A36fBhCBndW2bWhBYAztNFCXLXukVanBgzA4JyH//gQIWKtrbxQ07uG/uex5fw0TJDA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0402MB2726 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Srinivas Kandagatla Some of the nvmem providers encode data for certain type of nvmem cell, example mac-address is stored in ascii or with delimiter or in reverse order. This is much specific to vendor, so having a cell-type would allow nvmem provider drivers to post-process this before using it. Signed-off-by: Srinivas Kandagatla Signed-off-by: Joakim Zhang --- Documentation/devicetree/bindings/nvmem/nvmem.yaml | 11 +++++++++++ include/dt-bindings/nvmem/nvmem.h | 8 ++++++++ 2 files changed, 19 insertions(+) create mode 100644 include/dt-bindings/nvmem/nvmem.h diff --git a/Documentation/devicetree/bindings/nvmem/nvmem.yaml b/Documentation/devicetree/bindings/nvmem/nvmem.yaml index b8dc3d2b6e92..8cf6c7e72b0a 100644 --- a/Documentation/devicetree/bindings/nvmem/nvmem.yaml +++ b/Documentation/devicetree/bindings/nvmem/nvmem.yaml @@ -60,6 +60,11 @@ patternProperties: - minimum: 1 description: Size in bit within the address range specified by reg. + cell-type: + $ref: /schemas/types.yaml#/definitions/uint32 + maxItems: 1 + description: + Type of nvmem, Use defines in dt-bindings/nvmem/nvmem.h. required: - reg @@ -69,6 +74,7 @@ additionalProperties: true examples: - | #include + #include qfprom: eeprom@700000 { #address-cells = <1>; @@ -98,6 +104,11 @@ examples: reg = <0xc 0x1>; bits = <2 3>; }; + + mac_addr: mac-addr@90{ + reg = <0x90 0x6>; + cell-type = ; + }; }; ... diff --git a/include/dt-bindings/nvmem/nvmem.h b/include/dt-bindings/nvmem/nvmem.h new file mode 100644 index 000000000000..eed0478f6bfd --- /dev/null +++ b/include/dt-bindings/nvmem/nvmem.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __DT_NVMMEM_H +#define __DT_NVMMEM_H + +#define NVMEM_CELL_TYPE_UNKNOWN 0 +#define NVMEM_CELL_TYPE_MAC_ADDRESS 1 + +#endif /* __DT_NVMMEM_H */ -- 2.17.1