From patchwork Wed Nov 3 10:26:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: YC Hung X-Patchwork-Id: 12600551 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E239CC433EF for ; Wed, 3 Nov 2021 10:28:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A352A600CD for ; Wed, 3 Nov 2021 10:28:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A352A600CD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=U2TUHDV8s07SV0DqSlilupSOlnp3MGRJB3EP2LPp9tg=; b=R0BV69RKTIi1a9 7SUNRSidMq0JEhr8Y044uMbg1CScMZElZkAwrpByr6XEI25/7yAnJPZm5cLmEzztiuEVnvC6qT0l7 4UvhPM0wyLfKg6zo/NvLCGg3EPrmnP18OFi9h+DzHA8glxWxGJ8Kmip6DA2kEsJDFrcca/qs+saQi Gs6JsIZ20ixecej0qgGHgV9G8S16IcPXyDCjthsDeWCtGlsILFDE5EEHQVbigevT+urmaWBP/E9bv 3RNtX1RmlclWUFnmBpuiftcbiJ+jmjIUAjhvYIqBSjrMIUiNGiCohNPoUhnRaLOG6GKh5Ydn0NZv4 Ft7VL0ERDlNDmrSFjNqg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1miDUM-004qIr-Jj; Wed, 03 Nov 2021 10:27:26 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1miDUH-004qID-Lu; Wed, 03 Nov 2021 10:27:23 +0000 X-UUID: 7e3ff1df52b54d63bb83fc1f742412b1-20211103 X-UUID: 7e3ff1df52b54d63bb83fc1f742412b1-20211103 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 175168827; Wed, 03 Nov 2021 03:27:14 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 3 Nov 2021 03:27:12 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Wed, 3 Nov 2021 18:27:11 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs10n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Wed, 3 Nov 2021 18:27:11 +0800 From: YC Hung To: , , , CC: , , , , , , , , , Subject: [PATCH v5] dt-bindings: dsp: mediatek: Add mt8195 DSP binding support Date: Wed, 3 Nov 2021 18:26:08 +0800 Message-ID: <20211103102607.12277-1-yc.hung@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211103_032721_759466_B24AFA53 X-CRM114-Status: GOOD ( 14.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: "yc.hung" This describes the mt8195 DSP device tree node. Signed-off-by: yc.hung --- Changes since v4: - remove patch 1 with clocks as it will be reviewed and merged to SOF tree. https://github.com/thesofproject/linux/pull/3237 - refine DT file binding files with Rob's comments. .../bindings/dsp/mtk,mt8195-dsp.yaml | 142 ++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml diff --git a/Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml b/Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml new file mode 100644 index 000000000000..aeeb7af69625 --- /dev/null +++ b/Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml @@ -0,0 +1,142 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dsp/mtk,mt8195-dsp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek mt8195 DSP core + +maintainers: + - YC Hung + +description: | + Some boards from mt8195 contain a DSP core used for + advanced pre- and post- audio processing. +properties: + compatible: + const: mediatek,mt8195-dsp + + reg: + items: + - description: Address and size of the DSP Cfg registers + - description: Address and size of the DSP SRAM + + reg-names: + items: + - const: cfg + - const: sram + + interrupts: + items: + - description: watchdog interrupt + + interrupt-names: + items: + - const: wdt + + clocks: + items: + - description: mux for audio dsp clock + - description: 26M clock + - description: mux for audio dsp local bus + - description: default audio dsp local bus clock source + - description: clock gate for audio dsp clock + - description: mux for audio dsp access external bus + + clock-names: + items: + - const: adsp_sel + - const: clk26m_ck + - const: audio_local_bus + - const: mainpll_d7_d2 + - const: scp_adsp_audiodsp + - const: audio_h + + power-domains: + maxItems: 1 + + mboxes: + items: + - description: a mailbox is ised for ipc reply between host and audio DSP. + - description: a mailbox is ised for ipc reuqest between host and audio DSP. + + mbox-names: + items: + - const: mbox0 + - const: mbox1 + + memory-region: + items: + - description: A phandle to a reserved memory region is used for dma buffer between host and DSP. + - description: A phandle to a reserved memory region is used for DSP system memory. + + sound: + description: + Sound subnode includes ASoC platform, DPTx codec node, and + HDMI codec node. + + type: object + + properties: + mediatek,platform: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: The phandle of MT8195 ASoC platform. + + mediatek,dptx-codec: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: The phandle of MT8195 Display Port Tx codec node. + + mediatek,hdmi-codec: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: The phandle of MT8195 HDMI codec node. + +required: + - compatible + - reg + - reg-names + - interrupts + - interrupt-names + - clocks + - clock-names + - memory-region + - power-domains + - mbox-names + - mboxes + - sound + +additionalProperties: true + +examples: + - | + #include + #include + adsp: dsp@10803000 { + compatible = "mediatek,mt8195-dsp"; + reg = <0x10803000 0x1000>, + <0x10840000 0x40000>; + reg-names = "cfg", "sram"; + interrupts = ; + interrupt-names = "wdt"; + clocks = <&topckgen 10>, //CLK_TOP_ADSP + <&clk26m>, + <&topckgen 107>, //CLK_TOP_AUDIO_LOCAL_BUS + <&topckgen 136>, //CLK_TOP_MAINPLL_D7_D2 + <&scp_adsp 0>, //CLK_SCP_ADSP_AUDIODSP + <&topckgen 34>; //CLK_TOP_AUDIO_H + clock-names = "adsp_sel", + "clk26m_ck", + "audio_local_bus", + "mainpll_d7_d2", + "scp_adsp_audiodsp", + "audio_h"; + memory-region = <&adsp_dma_mem_reserved>, + <&adsp_mem_reserved>; + power-domains = <&spm 6>; //MT8195_POWER_DOMAIN_ADSP + mbox-names = "mbox0", "mbox1"; + mboxes = <&adsp_mailbox 0>, <&adsp_mailbox 1>; + sound { + mediatek,dptx-codec = <&dp_tx>; + mediatek,hdmi-codec = <&hdmi0>; + mediatek,platform = <&afe>; + }; + };