From patchwork Sun Apr 10 17:50:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuldeep Singh X-Patchwork-Id: 12808232 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 6C74CC433FE for ; Sun, 10 Apr 2022 17:51:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243796AbiDJRxi (ORCPT ); Sun, 10 Apr 2022 13:53:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40388 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243809AbiDJRxe (ORCPT ); Sun, 10 Apr 2022 13:53:34 -0400 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92D5361A02; Sun, 10 Apr 2022 10:51:22 -0700 (PDT) Received: by mail-pj1-x102e.google.com with SMTP id mm4-20020a17090b358400b001cb93d8b137so851091pjb.2; Sun, 10 Apr 2022 10:51:22 -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=QKoymIM/fv7AleuSvT3RBW6zEuHK660DiNK/eKFXaF0=; b=QHVNydOQkI6aJW7lLFWCnArJGaCLIt5Pk+1OiDKlhZw4sN2hOJEUQxhnH7Mbm9YF8P umsoGfEp8khqN3ofctT97x1oxHn9n5LS8LFGAgjPQ4AlgJKHLiet8U/tj3eo+933pYbC jAfKUX0xSWlS8VRRgXM7f1N9olvFDKtHNhynv3Z6v5THDmRrGU3F5Webb2/pd/dqpOYF NJiq7orFaEYKzrddfVbT4xRRTmLljdMeOpG/r72eZ1UqaF0c1R20N6D2+WQo4inBR/uf nRhMED/vknuQWe/1qlS00NbVIZYFXCkI61m6G9YikUucWqQ3NRvhLOKqfvPqXNOyxaa2 TdLA== 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=QKoymIM/fv7AleuSvT3RBW6zEuHK660DiNK/eKFXaF0=; b=KtZPDvBAgEq7bKf83jDmh8aE+BLISdB5HFncVuqIkOWbSeBPKUq49jvi4LYaw+PIMG W65wTxqnxxDpjYR5ccAETc0+PH/FiyZpdd5DvnO+9UqB7UQKaKZ879byhDXg0Ldwhu3d gUPjK3SiLwxl08NLsbxhKPEXIHmDuRtxX0EGiOr296hLyK1Wl78l1osdhyf4S+Lj0I2R v0IKHfyiuraeTWFGuuAe8NX7Vrl6ruVKUOH5w447eP6iJ4rYTePFnQNl0nSiZvRdFhd6 vv3j9zUslAIG8iptz4xLeZaYoCJtlA3DF/4xafQPNJWjt5pXurlkCUhXDMGF1W8cZWbv J1EA== X-Gm-Message-State: AOAM533ZmwRvZeYq0IWx8RyymPwX+bEASoC/e+JsVxW2BRJ62szdAu6x vPgks7XuGNMJh17demJm2ScNEfK7CDA= X-Google-Smtp-Source: ABdhPJwobXiEtfPGnmEmn8BhKBHcBuSI84rTe8ZQjsNKE7W3yi5x3sUfAYGc6BYv0Ei9kdBclowQWg== X-Received: by 2002:a17:90b:4a4b:b0:1c6:4398:523c with SMTP id lb11-20020a17090b4a4b00b001c64398523cmr32397815pjb.50.1649613081672; Sun, 10 Apr 2022 10:51:21 -0700 (PDT) Received: from localhost.localdomain ([122.161.51.18]) by smtp.gmail.com with ESMTPSA id l4-20020a056a0016c400b004f79504ef9csm32283286pfc.3.2022.04.10.10.51.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 Apr 2022 10:51:21 -0700 (PDT) From: Kuldeep Singh To: Rob Herring , Krzysztof Kozlowski , Andy Gross , Bjorn Andersson , Vinod Koul Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org Subject: [PATCH v2 6/6] dt-bindings: dma: Convert Qualcomm BAM DMA binding to json format Date: Sun, 10 Apr 2022 23:20:56 +0530 Message-Id: <20220410175056.79330-7-singh.kuldeep87k@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220410175056.79330-1-singh.kuldeep87k@gmail.com> References: <20220410175056.79330-1-singh.kuldeep87k@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Convert Qualcomm BAM DMA controller binding to DT schema format using json schema. Signed-off-by: Kuldeep Singh --- .../devicetree/bindings/dma/qcom,bam-dma.yaml | 94 +++++++++++++++++++ .../devicetree/bindings/dma/qcom_bam_dma.txt | 52 ---------- 2 files changed, 94 insertions(+), 52 deletions(-) create mode 100644 Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml delete mode 100644 Documentation/devicetree/bindings/dma/qcom_bam_dma.txt 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..b32175d54dca --- /dev/null +++ b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml @@ -0,0 +1,94 @@ +# 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: Qualcomm Technologies Inc BAM DMA controller + +maintainers: + - Andy Gross + - Bjorn Andersson + +allOf: + - $ref: "dma-controller.yaml#" + +properties: + compatible: + enum: + - qcom,bam-v1.3.0 + - qcom,bam-v1.4.0 + - qcom,bam-v1.7.0 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: bam_clk + + "#dma-cells": + const: 1 + + interrupts: + maxItems: 1 + + iommus: + minItems: 1 + maxItems: 4 + + num-channels: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Indicates supported number of DMA channels in a remotely controlled bam. + + qcom,controlled-remotely: + $ref: /schemas/types.yaml#/definitions/flag + description: + Indicates that the bam is controlled by remote proccessor i.e. execution + environment. + + qcom,ee: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Indicates the active Execution Environment identifier (0-7) used in the + secure world. + + qcom,num-ees: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Indicates supported number of Execution Environments in a remotely + controlled bam. + + qcom,powered-remotely: + $ref: /schemas/types.yaml#/definitions/flag + description: + Indicates that the bam is powered up by a remote processor but must be + initialized by the local processor. + + reg: + maxItems: 1 + +required: + - compatible + - "#dma-cells" + - interrupts + - reg + +additionalProperties: false + +examples: + - | + #include + #include + + dma-controller@f9944000 { + compatible = "qcom,bam-v1.4.0"; + reg = <0xf9944000 0x15000>; + interrupts = ; + clocks = <&gcc GCC_BLSP2_AHB_CLK>; + clock-names = "bam_clk"; + #dma-cells = <1>; + qcom,ee = <0>; + }; +... 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 6e9a5497b3f2..000000000000 --- a/Documentation/devicetree/bindings/dma/qcom_bam_dma.txt +++ /dev/null @@ -1,52 +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. -- qcom,powered-remotely : optional, indicates that the bam is powered up by - a remote processor but must be initialized by the local processor. -- 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"; - };