From patchwork Fri Jul 22 20:10:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 1659769 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=pIRZCYJm; 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 4LqLF04RGBz9sPC for ; Sat, 23 Jul 2022 06:11:48 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236717AbiGVULq (ORCPT ); Fri, 22 Jul 2022 16:11:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236702AbiGVULq (ORCPT ); Fri, 22 Jul 2022 16:11:46 -0400 Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C0079FE0D; Fri, 22 Jul 2022 13:11:45 -0700 (PDT) Received: by mail-pf1-x434.google.com with SMTP id c139so5348141pfc.2; Fri, 22 Jul 2022 13:11:45 -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=Lbo5uECb0o/jiIgG5lB+d7+oEGREOOe63VzH02hiN10=; b=pIRZCYJmMVT98nQge1EzLzSpw3xkaPz+b/mLErevak3WGzOn/C+WvvGhCxaZIVgbAp 3KWUHtgfm6CxB3fUuZrZHl8iF+qXL7KafXRcgD8i4msz7BoHXs+cjTWV1ZydHenMp9Is +WuLlMStLh6ccvgenVirflO2DLiGTrVXPGdnigRPHukAdwoZbAf8lLxUeiqN/sebqmg3 1QREJgFtu2a8kR9bljmv83OcAauD72vCIN+LWCzRt4c+BdlIJeB0tqg+1MfVW8duUijK keebtE76pq3CMZ6iHlNGGBaVQTiW4M1u2WjSC1LVNqIQxmf33VyWlZMzHzFV9vR/qjgF KjRg== 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=Lbo5uECb0o/jiIgG5lB+d7+oEGREOOe63VzH02hiN10=; b=6p8ZWR6xNgYJsvaMZgOZTMJfzII1RL0viXRfuENWYGjI15L6V0iu98yihFCL+SMNyB oCigd556Pb9MHTzmNRnRODWReyJZpXBpdfuPsqwNa5VSiJ29AFuIRkwRBi6lFhjvUzV1 wRdsoTJpzkvqdkI6uBx3iSxLUbW/X5whLAn5Sh+IaqK86ZSudOiOYYfIQ/hlANhSCjIN 7V83wYWurfrX8W0H1ycgS6WNIwG5O14vTxDR93AsfoE0lyqPFSyM8HefCE14C0VdNn+M UxyT/998L0DVjiZPyVdb4mAQfcs79YyAPhRPKOqeUw5ISrw7mJQVVYn9jpb5hKYAGy1N X8aA== X-Gm-Message-State: AJIora87UHricfuoxPsVAz5DNW/NsUblZqNlxIvhzG0LZIIZnSu0b8Jn uejQV1IyR/iao6STNLymta0dMFUd6xI= X-Google-Smtp-Source: AGRyM1sFhcDB3t1xGU2Of1ghtHRwoRHDTRV8XFilpEt0pDeJEHb2VLjQa/4LEfFlTqN4jQH8KCPboA== X-Received: by 2002:a65:6bc4:0:b0:3c2:2f7c:cc74 with SMTP id e4-20020a656bc4000000b003c22f7ccc74mr1208985pgw.307.1658520704327; Fri, 22 Jul 2022 13:11:44 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id p2-20020a170902780200b0016c0eb202a5sm4098604pll.225.2022.07.22.13.11.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Jul 2022 13:11:43 -0700 (PDT) From: Florian Fainelli To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , 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 v2 1/3] dt-bindings: memory-controller: Document Broadcom STB MEMC Date: Fri, 22 Jul 2022 13:10:41 -0700 Message-Id: <20220722201043.2731570-2-f.fainelli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220722201043.2731570-1-f.fainelli@gmail.com> References: <20220722201043.2731570-1-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. Signed-off-by: Florian Fainelli Reviewed-by: Rob Herring --- .../bindings/arm/bcm/brcm,brcmstb.txt | 11 +--- .../brcm,brcmstb-memc-ddr.yaml | 53 +++++++++++++++++++ 2 files changed, 55 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..a1479b75c536 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml @@ -0,0 +1,53 @@ +# 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 + - clock-frequency + +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>; + };