From nobody Wed Dec 17 09:20:05 2025 Received: from mail-pj1-f45.google.com (mail-pj1-f45.google.com [209.85.216.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9A0E21C8637; Wed, 19 Mar 2025 09:48:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.45 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742377686; cv=none; b=XMUKPgoF3RYTd5B3UwCTQ1sWpU9gOafIJwGNS6DpQrwMwH+pA6rgzO/YfIgrE6lqMdgRkUWgqFW/j5m8WY40BZKFmQOVmPXIokV4BUXKfvcbv0N8+7dLAVNY9aAESvucVWxg7fLpZOitai2beXKGXxgE8iXXNiE3d+40Ka9luMY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742377686; c=relaxed/simple; bh=VktMu45HLVO/NWd1qA6YTia9Y5dgNUfWig8y5ndhO9I=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QFDNO4U/L8yo+sKVtwfLY9uVD1XPcJ67bIDYxGBdCfrha09Sd8UM5NUCvIPFHP8ngaVWoHpf6CgalR1mHI6TsnUIX3VwKzKMrGuO494G2NoGe9u8VQR314qLVY/b9SudncOEh8FjS8UpWFn+318B2c6zDalZMlHEaTxR/OKYJvk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=YlE3rIsg; arc=none smtp.client-ip=209.85.216.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YlE3rIsg" Received: by mail-pj1-f45.google.com with SMTP id 98e67ed59e1d1-300f92661fcso7018009a91.3; Wed, 19 Mar 2025 02:48:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1742377684; x=1742982484; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=jO5WZTMo+C5iTCX7S7g0gim47PztvreZd6gINV7Mu5Y=; b=YlE3rIsgDoXm2izP6g/B1KateKJtTX9BKpUZfGdSmTHAnONaO1H8eagjVF0wFice0r 0gl1ekUHOjPZ3NYJuA/dVtFNSrvHnR4GilVZK6Y8dKq+uFreJHQuGQZj3ByUAEhMzFK9 qdIgSrXC6k3XyNApwWApMLnsogef+wfdqmq8E1RCAw1lpeyU798QovvvirObzifgb3yW zk2a6taw4ckzwK97nYUKN2IReW+m1wc6/SzOqb7hDhz+jbX6pN7MM1mmf2nu9xWfP0OC T2eVAI8YrGtfJm0jq+qFwcEAqtpLv37HyyYQ5epU5rfh9ijdaTCm4QEQiOjN93LRW3Qf efww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742377684; x=1742982484; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jO5WZTMo+C5iTCX7S7g0gim47PztvreZd6gINV7Mu5Y=; b=eN9e/icCVohFnhs7eV78nfOg0X0jGPMZuA0V24h7gCFYdbavALtCdog2igqIhHCHmO 3CKsuNb6GxF3c8N8BTwszJ9pjKYyEkNJ9TCXOJ0cbs1ngLzsReOP3fYfgkVjH1MUDjPv M0CQJYiZNeTK8R0fkMM2t7OznYrETdq0gEh5Bj7eTgSI1Yt6j1JwoqAOWbZyhYCOwQRY qCgrOX9CNBLKwLahDAtCZE/PaTRVUKyYGfBx8d4EAa+g0MK3GlnHDq6HzKlhbZxd+a8t ZXWOJnu0ahop6xBOYVKdJBXwdIatP5vm0nMuu6b4ysBCrNOh5YqS32puG3JzJqD2wrC4 Tw2Q== X-Forwarded-Encrypted: i=1; AJvYcCU9nUEKOK9MYP359yca9Oh+ytrDGqEv+lbaQuD8d+618QIU91FCnIHjI0CBRCbH2iJj6iSlrgLJWnpI5sKj@vger.kernel.org, AJvYcCXSsQhbu3A6J5vLJyy3ZmkwkkuG3Ld0vHJK7XXTEHRASTIjMmy0mwoRyin5kzMabNeIIOqbySkZhsk6@vger.kernel.org X-Gm-Message-State: AOJu0YxrRE3I6lZNICUqsElT+du2yvBe+R7eEv/9v5y1Wm7M2/htz3ve +qwQfjahgcxRPw3L+pzaVVTb8wAeQDiHxlzcm0nBEvVKnK2JKmQZyuG0Tg== X-Gm-Gg: ASbGncucgfiUqcL3dDJobbVLvHUa5NqiSTCugZWQJv7BtL21G49BnFGkFwEiG15Uoe8 J4XI3YYWehOMQPjgzAKNk6aaMcFxOriHsX5YvlMdmsJS0BJVeMbLQf3Y/FdFznJDzvGlCOUVSd0 /o9yDvudjDz5nKMCS+T0/Bi3w+JJhE2P/AtxbjvIx2GXlah/0Jkr4Y03mKo6mYb6BYIuW9JlFz7 4n1a+AhHs8+Wza51igqRAZueUcGGMYbkdCQLV3Nm9hpKxgF1FDXogLqJP6AGq5vpvBP7cFHgXGr KxQSJsTpW/HI20TxN8EpRSzXuzZTgJBa9kSvFBsOQZuL13QKAPKh3vYRlnDR2MRxRbA1FzCAElf fnyWDtWdQoRISKqUajH2GbZWs65OUaws+k8xBzA== X-Google-Smtp-Source: AGHT+IHGVpw5pZ4oUibijuz5f/+swAD6+UTqPpA7k0Fjh56CPVAS60cjsY1TImQyPXPs20LFApE6UQ== X-Received: by 2002:a17:90b:38c9:b0:2ff:6e72:b8e9 with SMTP id 98e67ed59e1d1-301be204e98mr3374142a91.25.1742377683407; Wed, 19 Mar 2025 02:48:03 -0700 (PDT) Received: from ISCN5CG2520RPD.infineon.com (KD106168128197.ppp-bb.dion.ne.jp. [106.168.128.197]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-301bf589bccsm1103483a91.11.2025.03.19.02.47.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Mar 2025 02:48:03 -0700 (PDT) From: Takahiro Kuwano X-Google-Original-From: Takahiro Kuwano Date: Wed, 19 Mar 2025 18:47:43 +0900 Subject: [PATCH 1/3] dt-bindings: mtd: jedec,spi-nor: add optional rdid-dummy-ncycles Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250319-snor-rdid-dummy-ncycles-v1-1-fbf64e4c226a@infineon.com> References: <20250319-snor-rdid-dummy-ncycles-v1-0-fbf64e4c226a@infineon.com> In-Reply-To: <20250319-snor-rdid-dummy-ncycles-v1-0-fbf64e4c226a@infineon.com> To: Tudor Ambarus , Pratyush Yadav , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Bacem Daassi , Takahiro Kuwano X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1742377674; l=1447; i=Takahiro.Kuwano@infineon.com; s=20250227; h=from:subject:message-id; bh=VktMu45HLVO/NWd1qA6YTia9Y5dgNUfWig8y5ndhO9I=; b=XvOo13JqixpDnCoEo8S6z9Y/baIU7177u9z0q4G4EUIT19h8F+RPtZzhwjNCtX37ffHAB1tia ObbMUd7FtVbCzagGduowO0iBzKpwbZJSykZW053bB/uxCJ7f8I7fCHN X-Developer-Key: i=Takahiro.Kuwano@infineon.com; a=ed25519; pk=aS8V9WLuMUkl0vmgD0xJU19ZajdJmuyFBnBfVj0dfDs= There are infineon flashes [1] that require 8 dummy cycles for the 1-1-1 Read ID command. Since the command is not covered by JESD216 or any other standard, introduce an optional "rdid-dummy-ncycles" DT property to allow flashes to be correctly identified. Link: https://www.infineon.com/dgdl/Infineon-CYRS17B512_512_MB_64_MB_SERIAL= _NOR_FLASH_SPI_QSPI_3-DataSheet-v07_00-EN.pdf?fileId=3D8ac78c8c8fc2dd9c0190= 0eee733d45f3 [1] Signed-off-by: Takahiro Kuwano --- Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Doc= umentation/devicetree/bindings/mtd/jedec,spi-nor.yaml index 335f8204aa1ebce3d2b4686b2a06d0ea3791667c..25abbe4f5d17f66215fa1af097d= 14de4a6ef776f 100644 --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml @@ -63,6 +63,12 @@ properties: it can not be detected at runtime. Refer to your chips' datasheet to= check if this is supported by your chip. =20 + rdid-dummy-ncycles: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Number of dummy cycles for the 1-1-1 Read ID command, if not zero. + The Read ID command is not covered by JESD216 or any other standard. + broken-flash-reset: type: boolean description: --=20 2.34.1