From patchwork Mon Aug 1 22:09:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 1662736 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=doXfW1Zz; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4LxXNN20jNz9sFs for ; Tue, 2 Aug 2022 08:09:40 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234600AbiHAWJh (ORCPT ); Mon, 1 Aug 2022 18:09:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234383AbiHAWJh (ORCPT ); Mon, 1 Aug 2022 18:09:37 -0400 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6819CDF7D; Mon, 1 Aug 2022 15:09:36 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id w10so11760508plq.0; Mon, 01 Aug 2022 15:09:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=sjab8NUtyjy7A2QDJ5EJm8tKiQk79yMcDvt2JCTAsw0=; b=doXfW1Zz0vXbj2SptEufE+H0lyvFuZX/+1ML39t4MtIzg2K775qZVef6fZUdoPobu/ vt8kZlpDZMCD15SKax/ZVo0LKoCLD4UdoKt3GBQ8e9GT9tdyUgbgI/cCq23LWKFNVUAO VE5E+rP5Q7tBQXSDJsCQ5bxCWKErC2WUyTINMFGX2X13TDI/1NF2CCq2fR43v1M06MdX eOh2+ZQnlXKiA1T/j+SuvL/XZY/zYp23Mg18z4irtagh5kK1mR4eHs/pNq7guMjJfmQT gu2RkZ94oKnGw3+hDRrNJc6qfD9x3zdGtPqGAdl5CHFiig1fMXLctmiCyEUrCMm3vUla KkxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=sjab8NUtyjy7A2QDJ5EJm8tKiQk79yMcDvt2JCTAsw0=; b=ljmCoSU55dEEGnqx2O1CPZlD/7KJ5FQvs/4kPkVYHTVh6sg17KVWnw5odMg/KcK6vF YGFQ8nuxzfLOvU/kIRC17di4Le+fb6oDYZs+h3/oby5OxombgUrEhuwUL+NijmzxQRET Q9Gd7i46MRUBxQwUvQq/YY/J17THg7ngsmxW2d/H+RQv7J8fPm9rtJmrPy1hrm8YuWJK XtsbX9ExV4eqyiMi/vkDHaZvDV2HYU9saL/SxeUsx1UruP2hFoG1JjJ1JOEpKZGDISF0 ubTyZRbZIvHK3p+l7oTx+w++qZ8bdzXKkTJaLJSiMU4lrEgNaKsVp7W996itnQdzf21l 8kuQ== X-Gm-Message-State: ACgBeo1/v8vfZTWpeoVkoZuXzDTpe/TppZhJGsgsVa6AMcGFHRnXkcYx vQ/eJrpqujToURe4LYJpgJ1XaYrtxVg= X-Google-Smtp-Source: AA6agR5ubTKoly0OfbXLwy3n8TdouvblHS8E8zj9EhjHj5NhxTjqsHOBQPBQaviIotcIKnLCur+qSQ== X-Received: by 2002:a17:902:7612:b0:16d:c805:7d4d with SMTP id k18-20020a170902761200b0016dc8057d4dmr17776805pll.171.1659391775531; Mon, 01 Aug 2022 15:09:35 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id g15-20020a1709029f8f00b001637529493esm10136969plq.66.2022.08.01.15.09.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Aug 2022 15:09:35 -0700 (PDT) From: Florian Fainelli To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , Rob Herring , Broadcom internal kernel review list , Rob Herring , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) Subject: [PATCH v3 1/3] dt-bindings: memory-controller: Document Broadcom STB MEMC Date: Mon, 1 Aug 2022 15:09:29 -0700 Message-Id: <20220801220931.181531-2-f.fainelli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220801220931.181531-1-f.fainelli@gmail.com> References: <20220801220931.181531-1-f.fainelli@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document the Broadcom STB memory controller which is a trivial binding for now with a set of compatible strings and single register. Since we introduce this binding, the section in Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt is removed and this binding is referenced instead. Reviewed-by: Rob Herring Signed-off-by: Florian Fainelli --- .../bindings/arm/bcm/brcm,brcmstb.txt | 11 +--- .../brcm,brcmstb-memc-ddr.yaml | 52 +++++++++++++++++++ 2 files changed, 54 insertions(+), 9 deletions(-) create mode 100644 Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt index 104cc9b41df4..e797d2f69f3b 100644 --- a/Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt @@ -187,15 +187,8 @@ Required properties: Sequencer DRAM parameters and control registers. Used for Self-Refresh Power-Down (SRPD), among other things. -Required properties: -- compatible : should contain one of these - "brcm,brcmstb-memc-ddr-rev-b.2.1" - "brcm,brcmstb-memc-ddr-rev-b.2.2" - "brcm,brcmstb-memc-ddr-rev-b.2.3" - "brcm,brcmstb-memc-ddr-rev-b.3.0" - "brcm,brcmstb-memc-ddr-rev-b.3.1" - "brcm,brcmstb-memc-ddr" -- reg : the MEMC DDR register range +See Documentation/devicetree/bindings/memory-controllers/brcm,memc.yaml for a +full list of supported compatible strings and properties. Example: diff --git a/Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml b/Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml new file mode 100644 index 000000000000..4b072c879b02 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/brcm,brcmstb-memc-ddr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Memory controller (MEMC) for Broadcom STB + +maintainers: + - Florian Fainelli + +properties: + compatible: + items: + - enum: + - brcm,brcmstb-memc-ddr-rev-b.1.x + - brcm,brcmstb-memc-ddr-rev-b.2.0 + - brcm,brcmstb-memc-ddr-rev-b.2.1 + - brcm,brcmstb-memc-ddr-rev-b.2.2 + - brcm,brcmstb-memc-ddr-rev-b.2.3 + - brcm,brcmstb-memc-ddr-rev-b.2.5 + - brcm,brcmstb-memc-ddr-rev-b.2.6 + - brcm,brcmstb-memc-ddr-rev-b.2.7 + - brcm,brcmstb-memc-ddr-rev-b.2.8 + - brcm,brcmstb-memc-ddr-rev-b.3.0 + - brcm,brcmstb-memc-ddr-rev-b.3.1 + - brcm,brcmstb-memc-ddr-rev-c.1.0 + - brcm,brcmstb-memc-ddr-rev-c.1.1 + - brcm,brcmstb-memc-ddr-rev-c.1.2 + - brcm,brcmstb-memc-ddr-rev-c.1.3 + - brcm,brcmstb-memc-ddr-rev-c.1.4 + - const: brcm,brcmstb-memc-ddr + + reg: + maxItems: 1 + + clock-frequency: + description: DDR PHY frequency in Hz + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + memory-controller@9902000 { + compatible = "brcm,brcmstb-memc-ddr-rev-c.1.1", "brcm,brcmstb-memc-ddr"; + reg = <0x9902000 0x600>; + clock-frequency = <2133000000>; + };