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 X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C147CC433DF for ; Tue, 2 Jun 2020 17:37:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9E43520835 for ; Tue, 2 Jun 2020 17:37:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Clmum6eI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728272AbgFBRhs (ORCPT ); Tue, 2 Jun 2020 13:37:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726937AbgFBRhp (ORCPT ); Tue, 2 Jun 2020 13:37:45 -0400 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65B3EC05BD1E; Tue, 2 Jun 2020 10:37:45 -0700 (PDT) Received: by mail-pl1-x644.google.com with SMTP id g12so1619301pll.10; Tue, 02 Jun 2020 10:37:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=E+2KNhccpvYloQu0PsdQGEpNQg5/dPaiop5EurBVv1E=; b=Clmum6eIR6XcmO2XMZ0pyzIVvBytBGDCsz1BRX7EFnilH0qLu34+Wxp236+r/oOMpn r7eJHXb+0zBBklmFhNuN8SCRb0k/3UdC0Ke6ofK4UtwxPxRa6U15rjVwbbLv0285Z/nx /6cXqpEkaPTFVMcECnQBDv6BqcYExE4z4ujkJC0lwehm2luaEKfjNbEGSI39Zo3GUFk1 IH9HN2nEjgY7uW+QSBVOQASWP/rDqQO2ZZ0j2b+8ZeNcKrZtfAzRLrzK576sfRnnJ98/ MRqF9Sh8Kfj1YirYq8LoU4Amgdeh8PPRqE4Ikoq5WBNWM3+pmWbak4apeSHPB3fACVqG Da9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=E+2KNhccpvYloQu0PsdQGEpNQg5/dPaiop5EurBVv1E=; b=msRwLRA86OEnVJYrStGcGtVCXDoQCiTPEs6eQ43cicEsN6cMV0pDPysN2y9ElK8Knb fvjsDduXROahgUr7/RHKMtCFCFURdlM+cQpmKODXr0cDmJAUrdWYsEiTi7NVRhCK4QkC YNIUAyoeYr1orgpnaOgiVWkc5sgSV/DGBMXjDgKHrMeTKyCzKM29fpZZAgvqG3l6xwGM NWHiCn4kljEPIIEV4s8z/oGsnTs0eXzmeQ6JmyK7dR6b2UbCe9XTe8nykT0to1ZAGxIy CS7G1pI0V4ceRW21yR9W7nX0AlKCN5ZouPBVnku0h0zWlSjRFWbiI7LmtGOCJ+d99Op1 ZChQ== X-Gm-Message-State: AOAM531mmfgsPsfoxT9pXec8kT7jZWo/DSa78UQrhIJmb4lhUdOg3XMf 8k+i1lvXNvk1Tr5tcmEVqoI= X-Google-Smtp-Source: ABdhPJzZolzcCOfoXwrX67EAdfHxoHcGcuiRuqWt+GtbjqmjiIiL53Ag7XirWPXStW/CtkAuv0PTeA== X-Received: by 2002:a17:90b:28d:: with SMTP id az13mr304999pjb.67.1591119464856; Tue, 02 Jun 2020 10:37:44 -0700 (PDT) Received: from localhost.localdomain ([223.235.152.125]) by smtp.gmail.com with ESMTPSA id i22sm2864382pfo.92.2020.06.02.10.37.18 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Jun 2020 10:37:44 -0700 (PDT) From: Amit Singh Tomar To: andre.przywara@arm.com, afaerber@suse.de, vkoul@kernel.org, manivannan.sadhasivam@linaro.org, robh+dt@kernel.org Cc: dan.j.williams@intel.com, cristian.ciocaltea@gmail.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-actions@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH v3 05/10] dt-bindings: dmaengine: convert Actions Semi Owl SoCs bindings to yaml Date: Tue, 2 Jun 2020 23:03:07 +0530 Message-Id: <1591119192-18538-6-git-send-email-amittomer25@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1591119192-18538-1-git-send-email-amittomer25@gmail.com> References: <1591119192-18538-1-git-send-email-amittomer25@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Converts the device tree bindings for the Actions Semi Owl SoCs DMA Controller over to YAML schemas. It also adds new compatible string "actions,s700-dma". Signed-off-by: Amit Singh Tomar --- Changes since v2: * Addressed Rob's comments: - removed unnecessary description. - added unevaluatedProperties - added relevant information about dma-channels and dma-request * Added power-domain property. Change since v1: * Updated the description field to reflect only the necessary information. * replaced the maxItems field with description for each controller attribute(except interrupts). * Replaced the clock macro with number to keep the example as independent as possible. New patch, was not there in RFC. --- Documentation/devicetree/bindings/dma/owl-dma.txt | 47 ------------- Documentation/devicetree/bindings/dma/owl-dma.yaml | 79 ++++++++++++++++++++++ 2 files changed, 79 insertions(+), 47 deletions(-) delete mode 100644 Documentation/devicetree/bindings/dma/owl-dma.txt create mode 100644 Documentation/devicetree/bindings/dma/owl-dma.yaml diff --git a/Documentation/devicetree/bindings/dma/owl-dma.txt b/Documentation/devicetree/bindings/dma/owl-dma.txt deleted file mode 100644 index 03e9bb12b75f..000000000000 --- a/Documentation/devicetree/bindings/dma/owl-dma.txt +++ /dev/null @@ -1,47 +0,0 @@ -* Actions Semi Owl SoCs DMA controller - -This binding follows the generic DMA bindings defined in dma.txt. - -Required properties: -- compatible: Should be "actions,s900-dma". -- reg: Should contain DMA registers location and length. -- interrupts: Should contain 4 interrupts shared by all channel. -- #dma-cells: Must be <1>. Used to represent the number of integer - cells in the dmas property of client device. -- dma-channels: Physical channels supported. -- dma-requests: Number of DMA request signals supported by the controller. - Refer to Documentation/devicetree/bindings/dma/dma.txt -- clocks: Phandle and Specifier of the clock feeding the DMA controller. - -Example: - -Controller: - dma: dma-controller@e0260000 { - compatible = "actions,s900-dma"; - reg = <0x0 0xe0260000 0x0 0x1000>; - interrupts = , - , - , - ; - #dma-cells = <1>; - dma-channels = <12>; - dma-requests = <46>; - clocks = <&clock CLK_DMAC>; - }; - -Client: - -DMA clients connected to the Actions Semi Owl SoCs DMA controller must -use the format described in the dma.txt file, using a two-cell specifier -for each channel. - -The two cells in order are: -1. A phandle pointing to the DMA controller. -2. The channel id. - -uart5: serial@e012a000 { - ... - dma-names = "tx", "rx"; - dmas = <&dma 26>, <&dma 27>; - ... -}; diff --git a/Documentation/devicetree/bindings/dma/owl-dma.yaml b/Documentation/devicetree/bindings/dma/owl-dma.yaml new file mode 100644 index 000000000000..5577cd910781 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/owl-dma.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/owl-dma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Actions Semi Owl SoCs DMA controller + +description: | + The OWL DMA is a general-purpose direct memory access controller capable of + supporting 10 and 12 independent DMA channels for S700 and S900 SoCs + respectively. + +maintainers: + - Manivannan Sadhasivam + +allOf: + - $ref: "dma-controller.yaml#" + +properties: + compatible: + enum: + - actions,s900-dma + - actions,s700-dma + + reg: + maxItems: 1 + + interrupts: + description: + controller supports 4 interrupts, which are freely assignable to the + DMA channels. + maxItems: 4 + + "#dma-cells": + const: 1 + + dma-channels: + maximum: 12 + + dma-requests: + maximum: 46 + + clocks: + maxItems: 1 + description: + Phandle and Specifier of the clock feeding the DMA controller. + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - "#dma-cells" + - dma-channels + - dma-requests + - clocks + +unevaluatedProperties: false + +examples: + - | + #include + dma: dma-controller@e0260000 { + compatible = "actions,s900-dma"; + reg = <0x0 0xe0260000 0x0 0x1000>; + interrupts = , + , + , + ; + #dma-cells = <1>; + dma-channels = <12>; + dma-requests = <46>; + clocks = <&clock 22>; + }; + +... -- 2.7.4