From patchwork Wed May 19 14:36:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bhupesh Sharma X-Patchwork-Id: 12267731 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 DA9E6C43460 for ; Wed, 19 May 2021 14:37:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BDD17611C2 for ; Wed, 19 May 2021 14:37:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354177AbhESOi5 (ORCPT ); Wed, 19 May 2021 10:38:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242135AbhESOiy (ORCPT ); Wed, 19 May 2021 10:38:54 -0400 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DDA69C06138D for ; Wed, 19 May 2021 07:37:31 -0700 (PDT) Received: by mail-pl1-x631.google.com with SMTP id p6so7135850plr.11 for ; Wed, 19 May 2021 07:37:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zG635xOID1k2/MXq+MKZASd8MAgolK42+7VgFHWsBrE=; b=BDOAaFFyisX6ZcapOca80pchy7MV6pvuLTVoq7tL9hVe78g3mtHX1u4KcxR+KS/l1F s0ICui7AisYvcrgn5Fq3pNlSOVTcwayGp0yzPvx0bsooNlS0I0qdQGX2pQ2m002mOxUd o7UY7FPxwVR20ym/34ykY6NYLAa4OBA1wmd56MPNLXZftzIajJSaJMz6Azog5/bb8gwW KFDGK2isep+R1PyWKl46dxch6UL+j2psBGeth0GeUAr0A/zN3owFojNwIGoQNaOLwBNc 1yOlz+3iK/JtsVFBzNxTavo49bCr6crtZe0p8oGda7GXKp/m23Tt/FyHNsmfawzBrkY5 XDAQ== 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:mime-version:content-transfer-encoding; bh=zG635xOID1k2/MXq+MKZASd8MAgolK42+7VgFHWsBrE=; b=fmtiD1g4KV5eGNkPF0Gb+Jymayw34uMh13ntOoSY/m03QYR8aOeYMSUs9nFL60v9OK ClBK7hw+X8kevLw55op6jsGeVcuzqvEQDVio4X1uUB+qUkr6Tb3Yd5ArtYoPSLVVCTEm gnxXurIEe0pXF/UsDSkUJwoyCKMK3T/K5K89PwyuVd9D/1NWdFF3vYfePECkbkdywu4C uQ337+GgYZ9vEAQr6KXfYyTq7G4a2FT36FlScZDj88ZTAgNg9m6b0ATFQZLTMOnK6lvZ GgBg/lSrArZ/GKrEiZJd0jn5XZWPS+L+Aa0xKF5Rr4Hvs7RlqWxi+la68Mkr8Y2+9HKC knsA== X-Gm-Message-State: AOAM530tMV309CMnV88YimJHLhv5QOgg1grglTaY2JImiIwomg+B3fJF IYDvmFIVZRENWCAmQvKFExCCFzPkuoZEFw== X-Google-Smtp-Source: ABdhPJzKbyM7GTDb3zd9dvjsR3+jQaQxL8QNti/wAyXdfzHXFw2mJreTEzc9H5+2zWBW1uYNWJ4mpA== X-Received: by 2002:a17:902:8505:b029:ec:b451:71cd with SMTP id bj5-20020a1709028505b02900ecb45171cdmr11390479plb.23.1621435051224; Wed, 19 May 2021 07:37:31 -0700 (PDT) Received: from localhost.localdomain.name ([122.177.135.250]) by smtp.gmail.com with ESMTPSA id o24sm9239515pgl.55.2021.05.19.07.37.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 May 2021 07:37:30 -0700 (PDT) From: Bhupesh Sharma To: linux-arm-msm@vger.kernel.org Cc: bhupesh.sharma@linaro.org, Thara Gopinath , Bjorn Andersson , Rob Herring , Andy Gross , Herbert Xu , "David S . Miller" , Stephen Boyd , Michael Turquette , Vinod Koul , dmaengine@vger.kernel.org, linux-clk@vger.kernel.org, linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bhupesh.linux@gmail.com Subject: [PATCH v3 01/17] dt-bindings: qcom-bam: Convert binding to YAML Date: Wed, 19 May 2021 20:06:44 +0530 Message-Id: <20210519143700.27392-2-bhupesh.sharma@linaro.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210519143700.27392-1-bhupesh.sharma@linaro.org> References: <20210519143700.27392-1-bhupesh.sharma@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Convert Qualcomm BAM DMA devicetree binding to YAML. Cc: Thara Gopinath Cc: Bjorn Andersson Cc: Rob Herring Cc: Andy Gross Cc: Herbert Xu Cc: David S. Miller Cc: Stephen Boyd Cc: Michael Turquette Cc: Vinod Koul Cc: dmaengine@vger.kernel.org Cc: linux-clk@vger.kernel.org Cc: linux-crypto@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: bhupesh.linux@gmail.com Signed-off-by: Bhupesh Sharma --- .../devicetree/bindings/dma/qcom_bam_dma.txt | 50 ---------- .../devicetree/bindings/dma/qcom_bam_dma.yaml | 91 +++++++++++++++++++ 2 files changed, 91 insertions(+), 50 deletions(-) delete mode 100644 Documentation/devicetree/bindings/dma/qcom_bam_dma.txt create mode 100644 Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml diff --git a/Documentation/devicetree/bindings/dma/qcom_bam_dma.txt b/Documentation/devicetree/bindings/dma/qcom_bam_dma.txt deleted file mode 100644 index cf5b9e44432c..000000000000 --- a/Documentation/devicetree/bindings/dma/qcom_bam_dma.txt +++ /dev/null @@ -1,50 +0,0 @@ -QCOM BAM DMA controller - -Required properties: -- compatible: must be one of the following: - * "qcom,bam-v1.4.0" for MSM8974, APQ8074 and APQ8084 - * "qcom,bam-v1.3.0" for APQ8064, IPQ8064 and MSM8960 - * "qcom,bam-v1.7.0" for MSM8916 -- reg: Address range for DMA registers -- interrupts: Should contain the one interrupt shared by all channels -- #dma-cells: must be <1>, the cell in the dmas property of the client device - represents the channel number -- clocks: required clock -- clock-names: must contain "bam_clk" entry -- qcom,ee : indicates the active Execution Environment identifier (0-7) used in - the secure world. -- qcom,controlled-remotely : optional, indicates that the bam is controlled by - remote proccessor i.e. execution environment. -- num-channels : optional, indicates supported number of DMA channels in a - remotely controlled bam. -- qcom,num-ees : optional, indicates supported number of Execution Environments - in a remotely controlled bam. - -Example: - - uart-bam: dma@f9984000 = { - compatible = "qcom,bam-v1.4.0"; - reg = <0xf9984000 0x15000>; - interrupts = <0 94 0>; - clocks = <&gcc GCC_BAM_DMA_AHB_CLK>; - clock-names = "bam_clk"; - #dma-cells = <1>; - qcom,ee = <0>; - }; - -DMA clients must use the format described in the dma.txt file, using a two cell -specifier for each channel. - -Example: - serial@f991e000 { - compatible = "qcom,msm-uart"; - reg = <0xf991e000 0x1000> - <0xf9944000 0x19000>; - interrupts = <0 108 0>; - clocks = <&gcc GCC_BLSP1_UART2_APPS_CLK>, - <&gcc GCC_BLSP1_AHB_CLK>; - clock-names = "core", "iface"; - - dmas = <&uart-bam 0>, <&uart-bam 1>; - dma-names = "rx", "tx"; - }; diff --git a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml new file mode 100644 index 000000000000..173e4d7508a6 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml @@ -0,0 +1,91 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/qcom_bam_dma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: QCOM BAM DMA controller binding + +maintainers: + - Bhupesh Sharma + +description: | + This document defines the binding for the BAM DMA controller + found on Qualcomm parts. + +allOf: + - $ref: "dma-controller.yaml#" + +properties: + compatible: + enum: + - qcom,bam-v1.4.0 + - qcom,bam-v1.3.0 + - qcom,bam-v1.7.0 + + reg: + maxItems: 1 + description: Address range of the DMA registers. + + clocks: + minItems: 1 + maxItems: 8 + + clock-names: + const: bam_clk + + interrupts: + maxItems: 1 + description: Single interrupt line shared by all channels. + + num-channels: + maxItems: 31 + description: | + Indicates supported number of DMA channels in a remotely controlled bam. + + "#dma-cells": + const: 1 + description: The single cell represents the channel index. + + qcom,ee: + $ref: /schemas/types.yaml#/definitions/uint8 + description: + Indicates the active Execution Environment identifier (0-7) + used in the secure world. + enum: [0, 1, 2, 3, 4, 5, 6, 7] + + qcom,controlled-remotely: + $ref: /schemas/types.yaml#/definitions/flag + description: + Indicates that the bam is controlled by remote proccessor i.e. + execution environment. + + qcom,num-ees: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Indicates supported number of Execution Environments in a + remotely controlled bam. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - "#dma-cells" + - qcom,ee + +additionalProperties: false + +examples: + - | + #include + dma-controller@f9984000 { + compatible = "qcom,bam-v1.4.0"; + reg = <0xf9984000 0x15000>; + interrupts = <0 94 0>; + clocks = <&gcc GCC_BAM_DMA_AHB_CLK>; + clock-names = "bam_clk"; + #dma-cells = <1>; + qcom,ee = /bits/ 8 <0>; + };