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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 19DB7C4338F for ; Wed, 25 Aug 2021 07:51:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E71C8610E8 for ; Wed, 25 Aug 2021 07:51:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238947AbhHYHwQ (ORCPT ); Wed, 25 Aug 2021 03:52:16 -0400 Received: from inva021.nxp.com ([92.121.34.21]:40898 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231687AbhHYHwN (ORCPT ); Wed, 25 Aug 2021 03:52:13 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 29ADD20264D; Wed, 25 Aug 2021 09:51:27 +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 BB1F7202E5C; Wed, 25 Aug 2021 09:51:26 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 46985183AC72; Wed, 25 Aug 2021 15:51:21 +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 v2 1/2] dt-bindings: remoteproc: Add fsl,imx-dsp-rproc binding document Date: Wed, 25 Aug 2021 15:28:35 +0800 Message-Id: <1629876516-16513-1-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: linux-kernel@vger.kernel.org Define the compatible string and properties needed by imx_dsp_rproc driver. Signed-off-by: Shengjiu Wang --- changes in v2: - add items for clock-names - change syscon to fsl,dsp-ctrl .../remoteproc/fsl,imx-dsp-rproc.yaml | 150 ++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/fsl,imx-dsp-rproc.yaml 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..edf6e4b8d7bb --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/fsl,imx-dsp-rproc.yaml @@ -0,0 +1,150 @@ +# 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: 26 + items: + - const: dsp_clk1 + - const: dsp_clk2 + - const: dsp_clk3 + - const: dsp_clk4 + - const: dsp_clk5 + - const: dsp_clk6 + - const: dsp_clk7 + - const: dsp_clk8 + - const: per_clk1 + - const: per_clk2 + - const: per_clk3 + - const: per_clk4 + - const: per_clk5 + - const: per_clk6 + - const: per_clk7 + - const: per_clk8 + - const: per_clk9 + - const: per_clk10 + - const: per_clk11 + - const: per_clk12 + - const: per_clk13 + - const: per_clk14 + - const: per_clk15 + - const: per_clk16 + - const: per_clk17 + - const: per_clk18 + + fsl,dsp-ctrl: + $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>; + fsl,dsp-ctrl = <&audio_blk_ctrl>; + }; -- 2.17.1