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Thu, 23 Sep 2021 11:01:09 +0000 From: Joakim Zhang To: srinivas.kandagatla@linaro.org, robh+dt@kernel.org, shawnguo@kernel.org, a.fatoum@pengutronix.de Cc: kernel@pengutronix.de, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH V2 1/6] dt-bindings: nvmem: add cell-type to nvmem cells Date: Thu, 23 Sep 2021 19:01:04 +0800 Message-Id: <20210923110109.29785-2-qiangqing.zhang@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210923110109.29785-1-qiangqing.zhang@nxp.com> References: <20210923110109.29785-1-qiangqing.zhang@nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR02CA0004.apcprd02.prod.outlook.com (2603:1096:3:17::16) To DB8PR04MB6795.eurprd04.prod.outlook.com (2603:10a6:10:fa::15) MIME-Version: 1.0 Received: from localhost.localdomain (119.31.174.71) by SG2PR02CA0004.apcprd02.prod.outlook.com (2603:1096:3:17::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4544.13 via Frontend Transport; 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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