From patchwork Fri Jan 27 17:58:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= X-Patchwork-Id: 13119135 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 D64B3C61D97 for ; Fri, 27 Jan 2023 17:59:48 +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: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:In-Reply-To:References: List-Owner; bh=5cwhxDX8An7oo52g4TgpD4BodiDhRIyGR5FQnbK4e9Q=; b=pRUNHjuCJZesP9 3ZtTqHsdVrosHkBYwEMr/RzM1ZRL7mMQ9/xc7Sq9/ZAC/kGnrgZ8w3DsecK0moRZ6nKEDY15hFVA0 il5xATSFqvedPrPTnTvr2an6Gvp4RUAa5hbsea3FKfDnSJR+JWMt0Hre3aeoNrXpAVQ8N9Onl1Tc+ 1WQTWD6b9tSJYSiqlvhFgt7XNT2NaUXIKKmKR3pLQS2Z+r+H8wMagaodFw0ulo7raO66foVqR+bcA zia4hdd6kSGsMrVub1qNChxB2oEVYdFYf9Pv14hFM4afFBlKBbYwL0Lyh41sbdC82dbHNR1lmErKl i1dKnucm4QZLi62lsXCA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pLSzx-00Fxjq-IM; Fri, 27 Jan 2023 17:58:49 +0000 Received: from mail-ej1-x636.google.com ([2a00:1450:4864:20::636]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pLSzr-00Fxi6-T1; Fri, 27 Jan 2023 17:58:45 +0000 Received: by mail-ej1-x636.google.com with SMTP id m2so15350905ejb.8; Fri, 27 Jan 2023 09:58:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=AkTXtXZvSlyW7dhrOhtl54a2x6aLLDzgCZF3MBO2yT4=; b=D45urjwlLOqJ5oEWUBgdQkmsYbSjvXmkD1jToywten5PtNhUD9c8awHO3NHAzmQl46 2Ay7kmFQRTQ8cZlB/KTtUw4eoj7fQiY6CGXuax+YXRwNWSVSiw4757N6Bzx17MKeSu01 k0IehkZHiqWzWobRDv3JZXtZ9P1YJv/2yildPxCacxYjqdIGstP2wDmIpbjXyE9fpa5s nWgSHzL5YwOsqCngAEOjpzySj8hclwm0nOaStOt0f2qt9S/Lo7ONKJyFSQxx8nap4w29 /WrsHxbyuxSN7wYTpEZKcbmqp9cceq8uzA+byVq4aZffRa2Q/oB/VixxOTb4yuoN/UrI kkAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=AkTXtXZvSlyW7dhrOhtl54a2x6aLLDzgCZF3MBO2yT4=; b=Tiv6RW4apF7OhdQ7CFhLxkPjg96QfvZ7worE2Et5S1Lv98Dccw9t/iHnxo4/4SKwon uEvYu3ON/TUtVyO7z3hAfdJzH0eN0noydpx9Wgj8/8QO7evwKFboL3sZiIj8GBzPSdVn cEsHE/YyYY/eZFUTomjMtXiyXUHWOL+baJqSOlUT1/0rKY3QtLtDWSu2BOJHotT0uzYG ET7aN5aBRxzO8hR1ZUWyPOsINFmkx70btzhtvTqBqXi2BDl7iroNY6Of3af7IkGhfEZd fIe3wYMniE/IWsXAv+aQWvKPeemldv8P5aVXDN81p5afItY1w+NBqgoAyXXLOJJ67hlr 06+Q== X-Gm-Message-State: AO0yUKUYEOoF27ogEyKgBKyTbtzbcsIKTTA9y9eVeeIv12l/sb3KTBNS jUWx0JDm9lBjWcoyk/8YSyo= X-Google-Smtp-Source: AK7set9YFRj0WFfdzKw45ndnfLNVXHirfZXQPMiwuSaPd2a9SuM0Yn0MHy2+hb2rKxYyINLcUmX2FA== X-Received: by 2002:a17:907:c26:b0:878:53a5:70a1 with SMTP id ga38-20020a1709070c2600b0087853a570a1mr10777796ejc.50.1674842321108; Fri, 27 Jan 2023 09:58:41 -0800 (PST) Received: from localhost.lan (ip-194-187-74-233.konfederacka.maverick.com.pl. [194.187.74.233]) by smtp.gmail.com with ESMTPSA id z22-20020a1709067e5600b0087276f66c6asm2600508ejr.115.2023.01.27.09.58.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Jan 2023 09:58:40 -0800 (PST) From: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= To: Srinivas Kandagatla , Rob Herring , Krzysztof Kozlowski Cc: Michael Walle , devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= Subject: [PATCH 1/2] dt-bindings: nvmem: io: new binding for IO accessible NVMEM devices Date: Fri, 27 Jan 2023 18:58:30 +0100 Message-Id: <20230127175831.26753-1-zajec5@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230127_095843_978097_EF7CA721 X-CRM114-Status: GOOD ( 13.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Rafał Miłecki With the NVMEM layouts binding in place we should now use: 1. NVMEM device access bindings 2. NVMEM content description bindings This binding allows describing NVMEM devices that can be accessed using IO mappings. Signed-off-by: Rafał Miłecki --- .../devicetree/bindings/nvmem/io.yaml | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/io.yaml diff --git a/Documentation/devicetree/bindings/nvmem/io.yaml b/Documentation/devicetree/bindings/nvmem/io.yaml new file mode 100644 index 000000000000..67e0aae9cd94 --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/io.yaml @@ -0,0 +1,37 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/nvmem/io.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: IO access based NVMEM + +description: | + This binding describes simple NVMEM devices that can be accessed by simply + mapping a predefined IO address. + + It's a generic solution for providing NVMEM content access. The way of + handling actual content may be device specific and can be described using a + proper layout. + +maintainers: + - Rafał Miłecki + +allOf: + - $ref: nvmem.yaml# + +properties: + compatible: + const: io-nvmem + + reg: + maxItems: 1 + +unevaluatedProperties: false + +examples: + - | + nvmem@10000 { + compatible = "io-nvmem"; + reg = <0x10000000 0x10000>; + };