From patchwork Wed Jun 29 18:43:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Conor Dooley X-Patchwork-Id: 12900610 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 2708DC433EF for ; Wed, 29 Jun 2022 18:44:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231296AbiF2Sot (ORCPT ); Wed, 29 Jun 2022 14:44:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231163AbiF2Sos (ORCPT ); Wed, 29 Jun 2022 14:44:48 -0400 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6624125296 for ; Wed, 29 Jun 2022 11:44:47 -0700 (PDT) Received: by mail-wr1-x430.google.com with SMTP id cl1so72242wrb.4 for ; Wed, 29 Jun 2022 11:44:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=conchuod.ie; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=XaslqtLsV+OGpzKiKNY3XRrWRC9HWQsSJkmanlRgE+c=; b=PZV96m+zSyDuombLQGewWnFBGvnedyQ3+dI1hcr7LVvBrxTm/bGvVqpkPGNxe9GZuS fRsI5nulPZJ86uidhXVECCni41C0vA1BzT5G0jxBqiaoo7CX3Kxq3zMyJrX0vHpp6Txf p44qFHV0ArI/Y05Xelf6D6yAh06YaA1xxlvz9miA+iu0m+pfBrQ47FFpznq0DZKe/hy4 SUAN6ilIXPV9TpJlClLX0/YNPHZSgZOrl/1hoPuZDPhRyM7csXJ0DbpLgqJpVUzMy2eM +/w65a7y1Ox3yxOnJdn2omseoOfCdKxZv0N5ZS2ufAnjnfGQ7/aqoSXEVEQbgXX6e8nd 76kw== 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=XaslqtLsV+OGpzKiKNY3XRrWRC9HWQsSJkmanlRgE+c=; b=cbgy9G6NtvWi/GPukKciBalLZAx2BYOhxZiU0gXsPWIaUnXxtMfYws39TpQ3OLYYis fvY1A9mwduALwfii3Dt3ZJz77UImmYF/2NKOybVSXOOvt1paBVtSLwEpucLthGK/DFGz W32cqfO62zGbU10D4+vSSBlZfZZuwhTo61sApFtg2pTIGQUfPDJtu770GjtslHkpylOA X96Bt3xlIkH9vc7OrXNjP5zm4FM9/RNpPdJ+GbHh2OdKpJ4FsWrRqIbkC46Jjx7/hiwY 8C13GTANQqjUtWdaM9yvkWCgNdRJD06+goAvUnYFzF3sjundDpL7XMR7+MOQi0E0vVc7 HsDA== X-Gm-Message-State: AJIora/QgszJz5wJYepOWltB42HdySDn9dgf5gty9RymVs1JKmqAVXan r9+bpkuRoOELMqvR1M2p3sEksg== X-Google-Smtp-Source: AGRyM1tKU6P+9J1S7EvrvcajpfEPLPWHYJ9QIIulL1WwyNt4gXk7nuljdIlSl36redwFztsprn60iw== X-Received: by 2002:a5d:64cc:0:b0:21b:ba06:4d4d with SMTP id f12-20020a5d64cc000000b0021bba064d4dmr4603873wri.157.1656528285879; Wed, 29 Jun 2022 11:44:45 -0700 (PDT) Received: from henark71.. ([51.37.234.167]) by smtp.gmail.com with ESMTPSA id u23-20020a7bcb17000000b0039aef592ca0sm3834371wmj.35.2022.06.29.11.44.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Jun 2022 11:44:45 -0700 (PDT) From: Conor Dooley To: David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Thierry Reding , Sam Ravnborg , Eugeniy Paltsev , Vinod Koul , Liam Girdwood , Mark Brown , Serge Semin , Daniel Lezcano , Palmer Dabbelt , Palmer Dabbelt Cc: Thomas Gleixner , Paul Walmsley , Albert Ou , Conor Dooley , Masahiro Yamada , Damien Le Moal , Geert Uytterhoeven , Niklas Cassel , Dillon Min , Jose Abreu , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, alsa-devel@alsa-project.org, linux-spi@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH v3 06/15] dt-bindings: memory-controllers: add canaan k210 sram controller Date: Wed, 29 Jun 2022 19:43:35 +0100 Message-Id: <20220629184343.3438856-7-mail@conchuod.ie> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220629184343.3438856-1-mail@conchuod.ie> References: <20220629184343.3438856-1-mail@conchuod.ie> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org From: Conor Dooley The k210 U-Boot port has been using the clocks defined in the devicetree to bring up the board's SRAM, but this violates the dt-schema. As such, move the clocks to a dedicated node with the same compatible string & document it. Signed-off-by: Conor Dooley --- .../memory-controllers/canaan,k210-sram.yaml | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/canaan,k210-sram.yaml diff --git a/Documentation/devicetree/bindings/memory-controllers/canaan,k210-sram.yaml b/Documentation/devicetree/bindings/memory-controllers/canaan,k210-sram.yaml new file mode 100644 index 000000000000..82be32757713 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/canaan,k210-sram.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/canaan,k210-sram.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Canaan K210 SRAM memory controller + +description: | + The Canaan K210 SRAM memory controller is initialised and programmed by + firmware, but an OS might want to read its registers for error reporting + purposes and to learn about the DRAM topology. + +maintainers: + - Conor Dooley + +properties: + compatible: + enum: + - canaan,k210-sram + + clocks: + minItems: 1 + items: + - description: sram0 clock + - description: sram1 clock + - description: aisram clock + + clock-names: + minItems: 1 + items: + - const: sram0 + - const: sram1 + - const: aisram + +required: + - compatible + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + memory-controller { + compatible = "canaan,k210-sram"; + clocks = <&sysclk K210_CLK_SRAM0>, + <&sysclk K210_CLK_SRAM1>, + <&sysclk K210_CLK_AI>; + clock-names = "sram0", "sram1", "aisram"; + };