From patchwork Fri Feb 25 13:24:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Allen-KH Cheng X-Patchwork-Id: 545923 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 96AC3C433F5 for ; Fri, 25 Feb 2022 13:26:28 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id C3D5F1DF4; Fri, 25 Feb 2022 14:25:36 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz C3D5F1DF4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1645795586; bh=8gGtssWqWYCB+nfkcagwl7FLNavJA11V7K9vEJfR9fI=; 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Fri, 25 Feb 2022 21:24:32 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Fri, 25 Feb 2022 21:24:31 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 25 Feb 2022 21:24:30 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 25 Feb 2022 21:24:30 +0800 From: Allen-KH Cheng To: Jassi Brar , Rob Herring , Matthias Brugger Subject: [PATCH v18 1/2] dt-bindings: mailbox: mtk, adsp-mbox: add mtk adsp-mbox document Date: Fri, 25 Feb 2022 21:24:26 +0800 Message-ID: <20220225132427.29152-2-allen-kh.cheng@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220225132427.29152-1-allen-kh.cheng@mediatek.com> References: <20220225132427.29152-1-allen-kh.cheng@mediatek.com> MIME-Version: 1.0 X-MTK: N Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Linux-ALSA , Allen-KH Cheng , Kai Vehmanen , cujomalainey@google.com, Kevin Hilman , Jassi Brar , Pierre-Louis Bossart , Liam Girdwood , Project_Global_Chrome_Upstream_Group@mediatek.com, tzungbi@google.com, Mark Brown , linux-mediatek@lists.infradead.org, Ranjani Sridharan , Chen-Yu Tsai , Takashi Iwai , Daniel Baluta , linux-kernel@vger.kernel.org, sound-open-firmware@alsa-project.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Allen-KH Cheng This patch adds document for mediatek adsp mbox Signed-off-by: Allen-KH Cheng Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Rob Herring --- .../bindings/mailbox/mtk,adsp-mbox.yaml | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml diff --git a/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml b/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml new file mode 100644 index 000000000000..fe454a1fba17 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mailbox/mtk,adsp-mbox.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek ADSP mailbox + +maintainers: + - Allen-KH Cheng + +description: | + The MTK ADSP mailbox Inter-Processor Communication (IPC) enables the SoC + to ommunicate with ADSP by passing messages through two mailbox channels. + The MTK ADSP mailbox IPC also provides the ability for one processor to + signal the other processor using interrupts. + +properties: + compatible: + items: + - const: mediatek,mt8195-adsp-mbox + + "#mbox-cells": + const: 0 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - "#mbox-cells" + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include + #include + + adsp_mailbox0:mailbox@10816000 { + compatible = "mediatek,mt8195-adsp-mbox"; + #mbox-cells = <0>; + reg = <0x10816000 0x1000>; + interrupts = ; + };