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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7FAEC4332F for ; Thu, 24 Feb 2022 00:34:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230063AbiBXAfO (ORCPT ); Wed, 23 Feb 2022 19:35:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229864AbiBXAfN (ORCPT ); Wed, 23 Feb 2022 19:35:13 -0500 Received: from mail-pg1-x533.google.com (mail-pg1-x533.google.com [IPv6:2607:f8b0:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A13209EB93 for ; Wed, 23 Feb 2022 16:34:39 -0800 (PST) Received: by mail-pg1-x533.google.com with SMTP id f8so308285pgc.8 for ; Wed, 23 Feb 2022 16:34:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=vG/5kA9N04CwQy4bX0Kb6i3wWo0eXRHeMpuwd4x5Q/c=; b=jiBcPWY52X9e/uzNvYV2TiVy3I2p7YH1Aio3N86LL3F6hY5MTAQMANosqFD3oDYCbm pgoTOF75+LpesRgDwHVx00c6vatB+Z2rNe1WdvV0OHVVZbQb/7k6LvYYt0J9mWxi5Ezv iovAxNryPBhK2YpLzNMuk11LODuxTMATgAerI= 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=vG/5kA9N04CwQy4bX0Kb6i3wWo0eXRHeMpuwd4x5Q/c=; b=yTx6Jx7g/zSouz/yy3L08RYb2A/LNKA4S00Hx4lLxPfeJfotFhr5gwIMgaluTW1xPR 2ar/2rbgJH69nbQYG58FM+ud1u1D1A2Dq1YcNzp6mrAhtrC7zcZpRGq+Zxft8ksTZ173 w9hUgnyLqPAjj5tCP9SAMIB3i2mo/xhrdKdO8u0MZRO+5W7qEY/O/pCHKCVYwYUKrQtU PthwuG6rjx3ZF/KN6A/ZgNz26kvOb2CHshELCgxGVy76nm/Io8viGYsTu8Rly6HRUGmC CMQVO7twkV+Drq/CvhuKscdSqarvEbRukwstJ1QjMC9fwV1KX6ss8AGuYgCeJV9trby9 yOVQ== X-Gm-Message-State: AOAM5307oEB/TrQQtViZQJ7cx0oGWP0tJ17rBdACHyAll0XZRVyV/GoX rfECkNsWjlMof/7Z6yXbZFWJDQ== X-Google-Smtp-Source: ABdhPJzB30yXUg/ww0v2ftOzZv01+PA4tr9dDxl1M4WmeEwfAF4LbeQR2yIc+HYO7spA6z9bda51cQ== X-Received: by 2002:a63:4d52:0:b0:343:8d41:eb12 with SMTP id n18-20020a634d52000000b003438d41eb12mr267178pgl.527.1645662879182; Wed, 23 Feb 2022 16:34:39 -0800 (PST) Received: from jwerner-p920.mtv.corp.google.com ([2620:15c:202:201:e321:1e1b:f71e:33c]) by smtp.gmail.com with ESMTPSA id ms7-20020a17090b234700b001bc7e6fc01csm4100344pjb.40.2022.02.23.16.34.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Feb 2022 16:34:38 -0800 (PST) From: Julius Werner To: Krzysztof Kozlowski Cc: Dmitry Osipenko , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Julius Werner Subject: [PATCH v3 1/3] dt-bindings: memory: lpddr2: Adjust revision ID property to match lpddr3 Date: Wed, 23 Feb 2022 16:34:19 -0800 Message-Id: <20220224003421.3440124-2-jwerner@chromium.org> X-Mailer: git-send-email 2.35.1.473.g83b2b277ed-goog In-Reply-To: <20220224003421.3440124-1-jwerner@chromium.org> References: <20220224003421.3440124-1-jwerner@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Commit 3539a2 (dt-bindings: memory: lpddr2: Add revision-id properties) added the properties `revision-id1` and `revision-id2` to the "jedec,lpddr2" binding. The "jedec,lpddr3" binding already had a single array property `revision-id` for the same purpose. For consistency between related memory types, this patch deprecates the LPDDR2 properties and instead adds a property in the same style as for LPDDR3 to that binding. Signed-off-by: Julius Werner --- .../memory-controllers/ddr/jedec,lpddr2.yaml | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) Changelog: - v2: - Updated commit message to fill in commit reference to earlier patch - v3: - Added `items` specification with `minimum` and `maximum` values to `revision-id` binding - Updated binding example to preserve previous revision ID values diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml index 25ed0266f6dd3d..e9d0936861b779 100644 --- a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml @@ -30,12 +30,26 @@ properties: maximum: 255 description: | Revision 1 value of SDRAM chip. Obtained from device datasheet. + Property is deprecated, use revision-id instead. + deprecated: true revision-id2: $ref: /schemas/types.yaml#/definitions/uint32 maximum: 255 description: | Revision 2 value of SDRAM chip. Obtained from device datasheet. + Property is deprecated, use revision-id instead. + deprecated: true + + revision-id: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: | + Revision IDs read from Mode Register 6 and 7. One byte per uint32 cell (i.e. ). + minItems: 2 + maxItems: 2 + items: + minimum: 0 + maximum: 255 density: $ref: /schemas/types.yaml#/definitions/uint32 @@ -164,8 +178,7 @@ examples: compatible = "elpida,ECB240ABACN", "jedec,lpddr2-s4"; density = <2048>; io-width = <32>; - revision-id1 = <1>; - revision-id2 = <0>; + revision-id = <1 0>; tRPab-min-tck = <3>; tRCD-min-tck = <3>; -- 2.31.0