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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6B02C43217 for ; Tue, 5 Oct 2021 23:01:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 912BD6142A for ; Tue, 5 Oct 2021 23:01:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236928AbhJEXDB (ORCPT ); Tue, 5 Oct 2021 19:03:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236923AbhJEXDB (ORCPT ); Tue, 5 Oct 2021 19:03:01 -0400 Received: from mail-lf1-x12a.google.com (mail-lf1-x12a.google.com [IPv6:2a00:1450:4864:20::12a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2D22C061749; Tue, 5 Oct 2021 16:01:09 -0700 (PDT) Received: by mail-lf1-x12a.google.com with SMTP id m3so2432747lfu.2; Tue, 05 Oct 2021 16:01:09 -0700 (PDT) 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=zJBbAysPZhEzfw+QShpgld2gMZtdI2/QGN8l/rJdoiM=; b=Y83NcGanEST0vssGF7O7AheANAOJW8E7BWD09gvmn7+CADyq8OYsb0WKftuXPB27E2 hKbBZYeCbNk1Vy+2f9RX5KsPY7n+0m7+tOcJiCGDLu9Qk5NWqPM3k7MaMiGJKPxaqlZO lGWJ4k42xWSdfD7khr9ZeS6VWDTN7VyxrvA/ExoVZvKKfBF0ipmj3j9uei9eR3KvySIB kWgoyIUqve1tWSNrZQwXXGtifxPeLD+xvVrNMn8uqHOBFieJ8jqwFBPHfQEf0jb6M7Ey 6uO7lyujAMUzqxjaU5/3l29OBYT9eZw9rebpG/1LWaqVsNzvdEFuFobZ/c/r06hdbAAE JHwA== 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=zJBbAysPZhEzfw+QShpgld2gMZtdI2/QGN8l/rJdoiM=; b=c96OwkdAhZRll6O+fhlXItkTG/SZZXXj6VAEezJvCapWAQdF4KCrzNSz6EvudCciki YMuhfExpV4zEvXG4uvNsXJC8ztnPlecxFl1BNpPxEffDXQZIAxAEw9x5x1WQkanuACUx gH+VRwfXKmVx4PXLQwlX+0LD3WLuEN0OPnFaHVd165QzL4f5VynYloux/a5/y7kH2OlR fr0AI07sFgq4UFK8i2jmLRf5YQnu0ydQOIn1C7EEZzpqfxW1yd/S8lUXbCfPsV5H+4oG GI1DDYCVBzFuVGUCvZbBcRPNLOV4UzBexOGEUGfuUUvYxKsNpCLIrKlrNxlDeYjNsdUj GpRQ== X-Gm-Message-State: AOAM531py8qtqjCaDBtw5LHwOXvjAU6WZwRGH3Q7OZcxUBv1SUEIHEsm h108FHOI6kArS+Iqst91Dj8= X-Google-Smtp-Source: ABdhPJzP21fe8YZWDw1AFXGexgxBxukSozQibJfweTM5IJjnJJR2YLYS6VpQSgmciOPBKtoBhtZl3g== X-Received: by 2002:a19:4802:: with SMTP id v2mr6128083lfa.49.1633474868209; Tue, 05 Oct 2021 16:01:08 -0700 (PDT) Received: from localhost.localdomain (79-139-163-57.dynamic.spd-mgts.ru. [79.139.163.57]) by smtp.gmail.com with ESMTPSA id j18sm2101125lfu.84.2021.10.05.16.01.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Oct 2021 16:01:07 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Krzysztof Kozlowski , Rob Herring Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v4 3/7] dt-bindings: memory: lpddr2: Add revision-id properties Date: Wed, 6 Oct 2021 02:00:05 +0300 Message-Id: <20211005230009.3635-4-digetx@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211005230009.3635-1-digetx@gmail.com> References: <20211005230009.3635-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Add optional revision-id standard LPDDR2 properties which will help to identify memory chip. Signed-off-by: Dmitry Osipenko --- .../memory-controllers/ddr/jedec,lpddr2.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml index d99ccad54938..01efb43c3425 100644 --- a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml @@ -24,6 +24,16 @@ properties: - enum: - jedec,lpddr2-nvm + revision-id1: + maximum: 255 + description: | + Revision 1 value of SDRAM chip. Obtained from device datasheet. + + revision-id2: + maximum: 255 + description: | + Revision 2 value of SDRAM chip. Obtained from device datasheet. + density: description: | Density in megabits of SDRAM chip. Obtained from device datasheet. @@ -138,6 +148,8 @@ examples: compatible = "Elpida,ECB240ABACN", "jedec,lpddr2-s4"; density = <2048>; io-width = <32>; + revision-id1 = <1>; + revision-id2 = <0>; tRPab-min-tck = <3>; tRCD-min-tck = <3>; -- 2.32.0