From patchwork Thu Oct 21 03:58:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: YC Hung X-Patchwork-Id: 12573795 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 B7FEFC433F5 for ; Thu, 21 Oct 2021 04:10:10 +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 84D756112D for ; Thu, 21 Oct 2021 04:10:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 84D756112D 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:References:In-Reply-To: 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: List-Owner; bh=n4/sq9xzxEHW+89lfRNyA1jDl4ZpkSQo5YSY4f5qK/s=; b=WlZARNWIqGevJy IZv0dfGTOVAm2hnIOjRr4EyZ66w6HtfomQwXijv9n12QS3puWUvT0XqVNSIf4HZ3vh1ql5B4cKPqX 6oZF1eAMFPD7yNbsBnp22h1aSokzFU8CJi5laAn9uJQzyzSwNc1U632HTLQdnnLpMVghYuaDBk5yE hIFLIXUZlGOnzr9lnh/oKzRs4EYLOKIV6adcJBZ4e08BICkeli2VxIisqgrP4MbKDbVO45GpTI9vf shiEvQFEDHnwUcbqfJnQorSiZdsPyqSdP80yj3OBIa7n+KXwxcQALvRtwf0WTl30QNMk3EHmLPBDg 3UPo3h3RJFU4TlZan6Lg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mdPNw-006Mhf-7K; Thu, 21 Oct 2021 04:08:56 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mdPNr-006Mgt-RZ; Thu, 21 Oct 2021 04:08:53 +0000 X-UUID: 043c3fc7a804451abfcb473da05b9461-20211020 X-UUID: 043c3fc7a804451abfcb473da05b9461-20211020 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1215466739; Wed, 20 Oct 2021 21:08:50 -0700 Received: from mtkexhb01.mediatek.inc (172.21.101.102) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 20 Oct 2021 20:58:51 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb01.mediatek.inc (172.21.101.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 21 Oct 2021 11:58:49 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 21 Oct 2021 11:58:49 +0800 From: YC Hung To: , , , CC: , , , , , , , , Subject: [PATCH v2 2/2] dt-bindings: dsp: mediatek: Add mt8195 DSP binding support Date: Thu, 21 Oct 2021 11:58:41 +0800 Message-ID: <20211021035841.2365-3-yc.hung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211021035841.2365-1-yc.hung@mediatek.com> References: <20211021035841.2365-1-yc.hung@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211020_210851_912137_DBF84B12 X-CRM114-Status: GOOD ( 12.83 ) 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 This describes the mt8195 DSP device tree node. Signed-off-by: YC Hung --- .../bindings/dsp/mtk,mt8195-dsp.yaml | 139 ++++++++++++++++++ 1 file changed, 139 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..f113f71ca094 --- /dev/null +++ b/Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml @@ -0,0 +1,139 @@ +# 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: + maxItems: 2 + + reg-names: + maxItems: 2 + + interrupts: + maxItems: 1 + + interrupt-names: + maxItems: 1 + + 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: + maxItems: 2 + + mbox-names: + description: + Specifies the mailboxes used to communicate with audio DSP + items: + - const: mbox0 + - const: mbox1 + + memory-region: + description: + phandle to a node describing reserved memory (System RAM memory) + used by DSP (see bindings/reserved-memory/reserved-memory.txt) + maxItems: 2 + + 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: false + +examples: + - | + #include + #include + adsp: adsp@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>; + status = "disabled"; + sound { + mediatek,dptx-codec = <&dp_tx>; + mediatek,hdmi-codec = <&hdmi0>; + mediatek,platform = <&afe>; + }; + };