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[194.187.74.233]) by smtp.gmail.com with ESMTPSA id f2sm216321ljn.11.2022.02.17.23.07.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Feb 2022 23:07:48 -0800 (PST) From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= To: Srinivas Kandagatla , Rob Herring Cc: Krzysztof Kozlowski , Florian Fainelli , Hauke Mehrtens , bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Subject: [PATCH V3 2/3] dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells Date: Fri, 18 Feb 2022 08:07:28 +0100 Message-Id: <20220218070729.3256-3-zajec5@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220218070729.3256-1-zajec5@gmail.com> References: <20220124160300.25131-1-zajec5@gmail.com> <20220218070729.3256-1-zajec5@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rafał Miłecki NVRAM doesn't have cells at hardcoded addresses. They are stored in internal struct (custom & dynamic format). It's still important to define relevant cells in DT so NVMEM consumers can reference them. Update binding to allow including basic cells as NVMEM device subnodes. Signed-off-by: Rafał Miłecki --- V2: Add children nodes description per Rob's request V3: Document NVMEM cells as properties --- .../devicetree/bindings/nvmem/brcm,nvram.yaml | 25 +++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml b/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml index 8c3f0cd22821..25033de3ef6b 100644 --- a/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml +++ b/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml @@ -14,6 +14,8 @@ description: | NVRAM can be accessed on Broadcom BCM47xx MIPS and Northstar ARM Cortex-A9 devices usiong I/O mapped memory. + NVRAM variables can be defined as NVMEM device subnodes. + maintainers: - Rafał Miłecki @@ -27,11 +29,30 @@ properties: reg: maxItems: 1 + board_id: + type: object + description: Board identification name + + et0macaddr: + type: object + description: First Ethernet interface's MAC address + + et1macaddr: + type: object + description: Second Ethernet interface's MAC address + + et2macaddr: + type: object + description: Third Ethernet interface's MAC address + unevaluatedProperties: false examples: - | nvram@1eff0000 { - compatible = "brcm,nvram"; - reg = <0x1eff0000 0x10000>; + compatible = "brcm,nvram"; + reg = <0x1eff0000 0x10000>; + + mac: et0macaddr { + }; }; -- 2.34.1 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 549EBC433F5 for ; Fri, 18 Feb 2022 07:09:31 +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=HZ2jRUtQDKwlTffox474eUu8rXiV3dniOeNTugkhs8w=; b=MMBajh4pUsazDY xG0W3aO/RxZaaJqngl2a9uV7VtvAM520Lf7Ht/MvTH5ItVRiYzcbHuivxRjFSKU/OGjNo9rhkm+i7 ao06LrqzMr+AiVJ1Z4+d9qgrnzrhS0qHUOlJXfPM01M02D9TmPdC9prQ7W1Lu8TINU6MiI7mFsU1V kdOBj+o7vfxA0+wl1qcSe3iWB5t94b2peycbQkfLyA1+49TwUjz2vvdi8AjOYohsocvYZYDIVF3VP 5KlqcMDEjlVYa1V9R7isN6hQhqDnvIcquSPy+/bk5mrX7DqcWDbfAH7sgiMPqwHm0IuH3X5nndfpD g5JEGjbYXQZvpQK0pwfA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKxNH-00D8QJ-Ql; Fri, 18 Feb 2022 07:08:15 +0000 Received: from mail-lj1-x233.google.com ([2a00:1450:4864:20::233]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKxMw-00D8II-BT for linux-arm-kernel@lists.infradead.org; Fri, 18 Feb 2022 07:07:55 +0000 Received: by mail-lj1-x233.google.com with SMTP id bn33so2948981ljb.6 for ; Thu, 17 Feb 2022 23:07:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=IWDJ487yLqJMH2R9nX25geZJE4tvSDIiR8xa0l3wTz0=; b=IlUrs1RVK2LtAIx0K8FKunjdCr8qaBX4BhLfEYD1cCBATkF5gNTEO5aV7XLepcZngT 5xvmeytA/gzHC7V3X2nPXsV4pFX77uEGlVZbJSOnIN9ERh24nUyI6U1w20I77lwNLk3T YlewxLcYhoMWB0zHtnKLq1JaTd893WrE9ZFOjCRjeJBpPeRNDtgkZ3o+nKqQbX8NYVGG UQ040lm1calR6iOJOW+PHnP+cISn94xgQVBK27t6rACckUPZFd9mAokgv79qLo8YqwSL jcHfZcNH6DafyXoUSt3kpr5PBDWbz0aMI3lFx3XP2x11SkHkyg0IPgd7GUGj+y7hriwX PhaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=IWDJ487yLqJMH2R9nX25geZJE4tvSDIiR8xa0l3wTz0=; b=RbPoG9yQDUewWtze3e/IKoXG7GBXwUuV3UWwt55uNIr6q3+DMlrxPxMHptNYdqfiQf iXHBj+r0KS4v7TJLfP/HFfAQjmzTbZ2PRDtEW8Gm/CS/64NzGdsPdw0f4WA8+d8GqFZs iFD0L0Dvsn2XOBuqqFyJ3x4q3Yp970Yj/RUbJWzWGSf2x39sIp2/Cz/Va+ZmLGy5j2bT Zdei54FUr3zNXZ1cvI2+dfQA1KLiejmWUoGC5T3yutz4IDf+drsqejRQkkL4cZH2Bd4/ jAu1xfEf3F5MyTpTUMktvgwalpb+5sr+NUq7bD+g4kgaFzGHl4zr0kqSKYUyx6PrAMqi 8o5A== X-Gm-Message-State: AOAM530Pb35vkh2XL4zjRAos7U3AvX/nhmNP22pZ55Ia+7H8F1wTBndu T0AMJ8LczBEh/fmAwx66jh0= X-Google-Smtp-Source: ABdhPJyG4PhqQCB3tkP0I48RQhI08avuz/CEw5sI25p72beCNJ/SSg79592K5goUTi3gS47psMDsHA== X-Received: by 2002:a2e:9043:0:b0:246:1afb:1436 with SMTP id n3-20020a2e9043000000b002461afb1436mr3638607ljg.215.1645168069084; Thu, 17 Feb 2022 23:07:49 -0800 (PST) Received: from localhost.lan (ip-194-187-74-233.konfederacka.maverick.com.pl. 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