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Sat, 22 May 2021 20:51:53 +0000 From: Han Xu To: sean@geanix.com, han.xu@nxp.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, robh+dt@kernel.org Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH 2/2] dt-bindings: mtd: gpmi-nand: add new fsl, legacy-bch-geometry flag Date: Sat, 22 May 2021 15:51:36 -0500 Message-Id: <20210522205136.19465-2-han.xu@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210522205136.19465-1-han.xu@nxp.com> References: <20210522205136.19465-1-han.xu@nxp.com> X-Originating-IP: [70.112.23.252] X-ClientProxiedBy: SA9PR13CA0154.namprd13.prod.outlook.com (2603:10b6:806:28::9) To DU2PR04MB8774.eurprd04.prod.outlook.com (2603:10a6:10:2e1::21) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from umbrella.lan (70.112.23.252) by SA9PR13CA0154.namprd13.prod.outlook.com (2603:10b6:806:28::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4173.11 via Frontend Transport; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org New bch geometry setting uses the minimum NAND chip required ecc strength and step size by default. This flag was designed for backward compatible. The fsl,use-minimum-ecc flag can be deprecated. Signed-off-by: Han Xu --- Documentation/devicetree/bindings/mtd/gpmi-nand.yaml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml b/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml index 9d764e654e1d..5f4eddd132a1 100644 --- a/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml +++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml @@ -62,6 +62,7 @@ properties: fsl,use-minimum-ecc: type: boolean + deprecated: true description: | Protect this NAND flash with the minimum ECC strength required. The required ECC strength is automatically discoverable for some @@ -69,6 +70,14 @@ properties: if this strength is not discoverable or this property is not enabled, the software may chooses an implementation-defined ECC scheme. + fsl,legacy-bch-geometry: + type: boolean + description: | + Enable the legacy bch geometry setting, which will set the data chunk + size larger than oob size and chose the maximum ecc strength oob can + hold. This flag was designed for backward compatible or old NAND chip + support, should be en/disabled in u-boot and kernel at the same time. + fsl,no-blockmark-swap: type: boolean description: | -- 2.17.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/