From patchwork Fri Aug 20 10:03:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 500385 Delivered-To: patch@linaro.org Received: by 2002:a02:6f15:0:0:0:0:0 with SMTP id x21csp1404799jab; Fri, 20 Aug 2021 03:25:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw38RDkRH7pOJSQ1vb2o3THixKV3EJlQamAWAxGQBc3Ow1jIE22p346DYAARrnFz2r23iLp X-Received: by 2002:a05:6e02:2184:: with SMTP id j4mr13718030ila.30.1629455113830; Fri, 20 Aug 2021 03:25:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1629455113; cv=none; d=google.com; s=arc-20160816; b=Q9whhWNDgPc1vT7XvEkJsBxIBila+psIiTs7aCOiz8aoREgQxblhUO4yZSYEpnXor8 fHsxmyPLZLGYc8kGVN9XY9BRTKCM1D53RgO6sSZuRY5XF0QJFhFl7N5u7CWghz+Qps/w kR9MvlIt0HoedovrmK17++v4Il26uwuFODYkYcTdPZmE7r2q4PArYEJbKMDZ+++L0A00 hlTpnMK97/6MyTNKCe+VRUSKBXeZPov8RHD9lvBkGAVLdCAiEGUck8MWJ4R1n6HIWPDD 2GYpraob17dm5lpoI8GJ73K0eBymssNJ8ImIlk95/hGJ5GthBO/EotR0uk+buk3tGhK9 ynqw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:date:subject:cc:to:from; bh=0JM/Bu2lsVftKfP4KRj21+LQbHVS2kba0s9R1E8QF6k=; b=SyjzbpmvIVoL8IGl0BJNVXllM7It5hO1tU5xo5Oba2ucwULkROFHa+kxGNauXgiWeR pKoSOIsj7dnBU+fqVFq0wdPMqxspODFtQNinrV1bK/ApES/kGqAeFDpK/++sNieG24Y6 knKMfydug4317GqG2bZFjXM8zOT/NdWja4mwbRvVkdW/qHoYUEc9136FFZmAD+3q+yXl EGxz+m1qJvhuzbhOV66HTr5f5SYXsJSKCkwIlMMxCtzxxLSyjVgL6ndeKGaTiIPDg03L nluwRAPdAk4xrDKU/QegW1e0m/bBD954l8hFW+POhhg01MCjR3Eb7/UTKYkJzP2nlM6l Ox1w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id z2si7109689ilh.121.2021.08.20.03.25.13; Fri, 20 Aug 2021 03:25:13 -0700 (PDT) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238956AbhHTKZt (ORCPT + 7 others); Fri, 20 Aug 2021 06:25:49 -0400 Received: from inva021.nxp.com ([92.121.34.21]:40650 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237258AbhHTKZs (ORCPT ); Fri, 20 Aug 2021 06:25:48 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id B4EC0200C20; Fri, 20 Aug 2021 12:25:09 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 52198200C1E; Fri, 20 Aug 2021 12:25:09 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id A01B3183AD26; Fri, 20 Aug 2021 18:25:07 +0800 (+08) From: Shengjiu Wang To: ohad@wizery.com, bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com Cc: linux-imx@nxp.com, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com Subject: [PATCH 1/2] dt-bindings: remoteproc: Add fsl, imx-dsp-rproc binding document Date: Fri, 20 Aug 2021 18:03:10 +0800 Message-Id: <1629453791-10580-1-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Define the compatible string and properties needed by imx_dsp_rproc driver. Signed-off-by: Shengjiu Wang --- .../remoteproc/fsl,imx-dsp-rproc.yaml | 123 ++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/fsl,imx-dsp-rproc.yaml -- 2.17.1 diff --git a/Documentation/devicetree/bindings/remoteproc/fsl,imx-dsp-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/fsl,imx-dsp-rproc.yaml new file mode 100644 index 000000000000..7eba49aa959e --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/fsl,imx-dsp-rproc.yaml @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/fsl,imx-dsp-rproc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: i.MX DSP Remoteproc Devices + +maintainers: + - Shengjiu Wang + +description: + This binding provides support for DSP processors found on i.mX family of SoCs + +properties: + compatible: + enum: + - fsl,imx8qxp-hifi4 + - fsl,imx8qm-hifi4 + - fsl,imx8mp-hifi4 + - fsl,imx8ulp-hifi4 + + clocks: + description: | + Main functional clock for the remote processor + minItems: 1 + maxItems: 32 + + clock-names: + description: + List of clock names for the remote processor. + dsp_clkx for clocks of dsp itself. + per_clkx for clocks of peripherals used by dsp. + minItems: 1 + maxItems: 32 + + syscon: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to syscon block which provide access for processor enablement + + mbox-names: + items: + - const: tx + - const: rx + - const: rxdb + + mboxes: + description: + This property is required only if the rpmsg/virtio functionality is used. + List of <&phandle type channel> - 1 channel for TX, 1 channel for RX, 1 channel for RXDB. + (see mailbox/fsl,mu.yaml) + minItems: 1 + maxItems: 3 + + firmware-name: + description: | + Default name of the firmware to load to the remote processor. + + memory-region: + description: + If present, a phandle for a reserved memory area that used for vdev buffer, + resource table, vring region and others used by remote processor. + minItems: 1 + maxItems: 32 + + reg: + description: | + Address space for any remoteproc memories present on the SoC. + + power-domains: + minItems: 1 + maxItems: 32 + +required: + - compatible + - reg + - mboxes + - mbox-names + - clocks + - clock-names + - firmware-name + +additionalProperties: false + +examples: + - | + #include + dsp_reserved: dsp@92400000 { + reg = <0x92400000 0x1000000>; + no-map; + }; + dsp_vdev0vring0: vdev0vring0@942f0000 { + reg = <0x942f0000 0x8000>; + no-map; + }; + dsp_vdev0vring1: vdev0vring1@942f8000 { + reg = <0x942f8000 0x8000>; + no-map; + }; + dsp_vdev0buffer: vdev0buffer@94300000 { + compatible = "shared-dma-pool"; + reg = <0x94300000 0x100000>; + no-map; + }; + + dsp: dsp@3b6e8000 { + compatible = "fsl,imx8mp-hifi4"; + reg = <0x3B6E8000 0x88000>; + clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_OCRAMA_IPG>, + <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_DSP_ROOT>, + <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_DSPDBG_ROOT>; + clock-names = "dsp_clk1", "dsp_clk2", "dsp_clk3"; + firmware-name = "imx/dsp/hifi4.bin"; + power-domains = <&audiomix_pd>; + mbox-names = "tx", "rx", "rxdb"; + mboxes = <&mu2 0 0>, + <&mu2 1 0>, + <&mu2 3 0>; + memory-region = <&dsp_vdev0buffer>, <&dsp_vdev0vring0>, + <&dsp_vdev0vring1>, <&dsp_reserved>; + syscon = <&audio_blk_ctrl>; + };