From nobody Wed Dec 17 08:02:10 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01C31C25B47 for ; Fri, 27 Oct 2023 09:46:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345633AbjJ0Jqq (ORCPT ); Fri, 27 Oct 2023 05:46:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230502AbjJ0Jqn (ORCPT ); Fri, 27 Oct 2023 05:46:43 -0400 Received: from smtp161.vfemail.net (smtp161.vfemail.net [146.59.185.161]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 705669D for ; Fri, 27 Oct 2023 02:46:41 -0700 (PDT) Received: (qmail 28645 invoked from network); 27 Oct 2023 09:46:39 +0000 Received: from localhost (HELO nl101-3.vfemail.net) () by smtpout.vfemail.net with ESMTPS (ECDHE-RSA-AES256-GCM-SHA384 encrypted); 27 Oct 2023 09:46:39 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=openmail.cc; h=from:to:cc :subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; s=2018; bh=Bwdf/hXtE2z1yTkhneNd8f2BY QKrt7drzyCFHrjxjtw=; b=qxscFcUTB5Qwi7tQsy24z5rDPnCWiFulXa165hUpJ HzL+/8ak1Kj4Iuf44tIyV6YXIVQyWh7qO4lDKoicRJKyhxW2XJvU3U2VqrNtEI2G pysRjciBWXEsO7Nhu0C6TyP/onZxlm1ZoH4qqpnU7TP/6wbSvdJfJd4prRI5W20S qQ= Received: (qmail 19359 invoked from network); 27 Oct 2023 09:46:39 -0000 Received: by simscan 1.4.0 ppid: 19049, pid: 19318, t: 0.5371s scanners:none Received: from unknown (HELO bmwxMDEudmZlbWFpbC5uZXQ=) (ZXF1dUBvcGVubWFpbC5jYw==@MTkyLjE2OC4xLjE5Mg==) by nl101.vfemail.net with ESMTPA; 27 Oct 2023 09:46:38 -0000 From: Edward Chow To: Rob Herring , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Krzysztof Kozlowski Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Lech Perczak , Edward Chow Subject: [PATCH v2 1/2] dt-bindings: mtd: partitions: Export special values Date: Fri, 27 Oct 2023 17:46:09 +0800 Message-ID: <20231027094610.1022114-2-equu@openmail.cc> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231027094610.1022114-1-equu@openmail.cc> References: <20231025052937.830813-1-equu@openmail.cc> <20231027094610.1022114-1-equu@openmail.cc> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Export special "offset" and "size" values defined and documented in linux/mtd/partitions.h to dt-bindings/mtd/partitions.h. Signed-off-by: Edward Chow --- MAINTAINERS | 2 ++ include/dt-bindings/mtd/partitions.h | 15 +++++++++++++++ 2 files changed, 17 insertions(+) create mode 100644 include/dt-bindings/mtd/partitions.h diff --git a/MAINTAINERS b/MAINTAINERS index 668d1e24452d..7d6beadc8b36 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13771,9 +13771,11 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/g= it/mtd/linux.git mtd/fixes T: git git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next F: Documentation/devicetree/bindings/mtd/ F: drivers/mtd/ +F: include/dt-bindings/mtd/ F: include/linux/mtd/ F: include/uapi/mtd/ =20 + MEMSENSING MICROSYSTEMS MSA311 DRIVER M: Dmitry Rokosov L: linux-iio@vger.kernel.org diff --git a/include/dt-bindings/mtd/partitions.h b/include/dt-bindings/mtd= /partitions.h new file mode 100644 index 000000000000..b7f622fe458c --- /dev/null +++ b/include/dt-bindings/mtd/partitions.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ +/* + * Device Tree constants identical to those in include/linux/mtd/partition= s.h + */ + +#ifndef _DT_BINDINGS_MTD_PARTITIONS_H +#define _DT_BINDINGS_MTD_PARTITIONS_H + +#define MTDPART_OFS_SPECIAL (-1) +#define MTDPART_OFS_RETAIN (-3) +#define MTDPART_OFS_NXTBLK (-2) +#define MTDPART_OFS_APPEND (-1) +#define MTDPART_SIZ_FULL (0) + +#endif --=20 2.42.0 From nobody Wed Dec 17 08:02:10 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 67DA1C25B47 for ; Fri, 27 Oct 2023 09:46:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345685AbjJ0Jqx (ORCPT ); Fri, 27 Oct 2023 05:46:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235036AbjJ0Jqs (ORCPT ); Fri, 27 Oct 2023 05:46:48 -0400 Received: from smtp161.vfemail.net (smtp161.vfemail.net [146.59.185.161]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6BB7EFA for ; Fri, 27 Oct 2023 02:46:45 -0700 (PDT) Received: (qmail 28683 invoked from network); 27 Oct 2023 09:46:43 +0000 Received: from localhost (HELO nl101-3.vfemail.net) () by smtpout.vfemail.net with ESMTPS (ECDHE-RSA-AES256-GCM-SHA384 encrypted); 27 Oct 2023 09:46:43 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=openmail.cc; h=from:to:cc :subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; s=2018; bh=hle8SC8oQYe3hUk/lyn2FO0kf 0Ff2mlV8GXo803pPyU=; b=CH+Qd/QbAiCVWAvHMIvg/wNRYBwWAp5uusKkg2Eko Qm7GaUKdRAfSsevWXfe75Uh8T9l4tWpSGafnqyRnGwz/07zNhAmWWwo3jI9e87EW TmbArOkT0y6Ws7j890m/aa6cogqoL3ArOzwqBgUXnuF/le8ci795ovexrLMhb6/d Uc= Received: (qmail 19515 invoked from network); 27 Oct 2023 09:46:43 -0000 Received: by simscan 1.4.0 ppid: 19049, pid: 19509, t: 0.3358s scanners:none Received: from unknown (HELO bmwxMDEudmZlbWFpbC5uZXQ=) (ZXF1dUBvcGVubWFpbC5jYw==@MTkyLjE2OC4xLjE5Mg==) by nl101.vfemail.net with ESMTPA; 27 Oct 2023 09:46:42 -0000 From: Edward Chow To: Rob Herring , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Krzysztof Kozlowski Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Lech Perczak , Edward Chow Subject: [PATCH v2 2/2] dt-bindings: mtd: partitions: Document special values Date: Fri, 27 Oct 2023 17:46:10 +0800 Message-ID: <20231027094610.1022114-3-equu@openmail.cc> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231027094610.1022114-1-equu@openmail.cc> References: <20231025052937.830813-1-equu@openmail.cc> <20231027094610.1022114-1-equu@openmail.cc> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add examples for special values in linux/mtd/partitions.h. Signed-off-by: Edward Chow --- .../mtd/partitions/fixed-partitions.yaml | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/partitions/fixed-partiti= ons.yaml b/Documentation/devicetree/bindings/mtd/partitions/fixed-partition= s.yaml index 331e564f29dc..e7bf466c395f 100644 --- a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml +++ b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml @@ -164,3 +164,33 @@ examples: read-only; }; }; + + - | + #include + partitions { + compatible =3D "fixed-partitions"; + #address-cells =3D <2>; + #size-cells =3D <1>; + + partition@0 { + label =3D "bootloader"; + reg =3D <0 0x000000 0x020000>; + read-only; + }; + + firmware@1 { + label =3D "firmware"; + /* From the end of the last partition, occupying as mush + * as possible, retaining 0x010000 after it, + * "MTDPART_OFS_SPECIAL MTDPART_OFS_NXTBLK" similar to + * this, but always beginning at erase block boundary. */ + reg =3D ; + }; + + calibration@2 { + compatible =3D "fixed-partitions"; + label =3D "calibration"; + /* Appending to the last partition, occupying 0x010000 */ + reg =3D ; + }; + }; --=20 2.42.0