From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7522BC44529 for ; Tue, 21 Jul 2026 05:29:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KE6zsZ2j6itkZ3wT3IuFOnxIz8lZILhbFetHF0E6L7g=; b=z7tRcLZN/Yn/CJ Dyf9nCC8HQnBhbFNgJPPGdSCs5ZPoYIObFlaPXSN9BiNYlJu2AUSNxesIXa/vtyg0V6x5nsKaO/hK dKvgT3Mg/6Wi4fBnvnwrZLmDbt4OHcFjTISBv2C2OIr0tqHiCwS/xGNqhh2arN/f96El3Swqf3oUf y5YVQr4ZvWnx14mtAVaD8Hwv8nEB45+ts386grGWfu6SGo9bkn+thcGPb1gUmpsw6vU46SBR8Tkf1 YxiCwEEEFdTKsS1LNyXRi5+FTQSfXpesa8bgs8LPxvDDUWXwH82SA44ps1svw31Z6F2KChRlISKtS uRnhX4df8m/pb79B3KjA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wm32u-00000008R6R-0HT1; Tue, 21 Jul 2026 05:29:36 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wm32r-00000008R5W-0EMn; Tue, 21 Jul 2026 05:29:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1784611773; x=1816147773; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2+B4vL0Lm/cbnMEOwb9Ux7Y4yhkEvIsIu+j+RbEs7Ic=; b=UMOEBSkbjlTcGpeDYK+Vjrzx4uWAZIaQJB+uIZwVIge7mf5oiVKjC/HZ XlEL1i2FRIx9PmXrOOwBzvKW1cI61BWEyTYwfwD6ppXrI4YC5SPw8D9wV UvMAQc1XEr2FUDbhYhkPApVMJrZ5FiDsDylThxqnznWNke6egt/6N7uYM jsaAhmc3RF9LXSLW+B0FByZVxEqpK8Oo5xLMNlQrBUhnZzc9RsyFpNPLV C2JpwS7wggYtLrliAGT47LYc7c1Q7qQAegHRZZBQJ04xceOaZtWKotpAJ OqhUj45hojjMAinxu5XhTQzsNxpri/R30qZREOw8D6sSwmG6qF6ofz1I0 g==; X-CSE-ConnectionGUID: 5DN3Cy/FTAazffb+4AroTg== X-CSE-MsgGUID: 2MbCVFiISQyHiHbPvqhbDg== X-IronPort-AV: E=Sophos;i="6.25,176,1779174000"; d="scan'208";a="60925929" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa3.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jul 2026 22:29:32 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.87.152) by chn-vm-ex3.mchp-main.com (10.10.87.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.43; Mon, 20 Jul 2026 22:29:31 -0700 Received: from che-ll-i67131.microchip.com (10.10.85.11) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.58 via Frontend Transport; Mon, 20 Jul 2026 22:29:23 -0700 From: Manikandan Muralidharan To: , , , , , , , , , , , , , , , , , , , , , , CC: Manikandan Muralidharan Subject: [PATCH v5 1/7] dt-bindings: mtd: jedec,spi-nor: allow the SFDP to be exposed via NVMEM Date: Tue, 21 Jul 2026 10:58:53 +0530 Message-ID: <20260721052859.171341-2-manikandan.m@microchip.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260721052859.171341-1-manikandan.m@microchip.com> References: <20260721052859.171341-1-manikandan.m@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260720_222933_106596_91972B87 X-CRM114-Status: UNSURE ( 8.67 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Add an optional "sfdp" child node (compatible "jedec,sfdp") that describes the SFDP as a read-only NVMEM provider via nvmem.yaml, so its contents (e.g. a vendor EUI-48/EUI-64) can be read through NVMEM cells. Signed-off-by: Manikandan Muralidharan Reviewed-by: Linus Walleij --- .../devicetree/bindings/mtd/jedec,spi-nor.yaml | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml index 587af4968255..98fd954598ab 100644 --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml @@ -103,6 +103,20 @@ properties: spi-cpol: true spi-cpha: true + sfdp: + $ref: /schemas/nvmem/nvmem.yaml# + unevaluatedProperties: false + description: + The Serial Flash Discoverable Parameters (SFDP) tables exposed as a + read-only NVMEM device. This allows standard or vendor-specific SFDP + data (for example a factory-programmed EUI-48/EUI-64 identifier) to be + consumed through NVMEM cells. + properties: + compatible: + const: jedec,sfdp + required: + - compatible + dependencies: spi-cpol: [ spi-cpha ] spi-cpha: [ spi-cpol ] @@ -122,6 +136,10 @@ examples: spi-max-frequency = <40000000>; m25p,fast-read; reset-gpios = <&gpio 12 GPIO_ACTIVE_LOW>; + + sfdp { + compatible = "jedec,sfdp"; + }; }; }; ... -- 2.43.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/