From patchwork Thu Oct 7 13:06:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Allen-KH Cheng X-Patchwork-Id: 12541801 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 0567FC433EF for ; Thu, 7 Oct 2021 13:07:03 +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 8058F61090 for ; Thu, 7 Oct 2021 13:07:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8058F61090 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; 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Thu, 07 Oct 2021 13:06:52 +0000 X-UUID: 6e15034fbe334b77863d347a68688ef9-20211007 X-UUID: 6e15034fbe334b77863d347a68688ef9-20211007 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1559932498; Thu, 07 Oct 2021 06:06:48 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 7 Oct 2021 06:06:46 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkcas07.mediatek.inc (172.21.101.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 7 Oct 2021 21:06:44 +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, 7 Oct 2021 21:06:44 +0800 From: Allen-KH Cheng To: Jassi Brar , Rob Herring , Matthias Brugger CC: , , , , , Allen-KH Cheng Subject: [PATCH] dt-bindings: mediatek: add adsp-mbox document Date: Thu, 7 Oct 2021 21:06:41 +0800 Message-ID: <20211007130641.3589-1-Allen-KH.Cheng@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-20211007_060650_596145_F4A87D1B X-CRM114-Status: GOOD ( 12.31 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This patch adds document for mediatek adsp mbox Signed-off-by: Allen-KH Cheng --- .../bindings/mailbox/mtk,adsp-mbox.yaml | 71 +++++++++++++++++++ 1 file changed, 71 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..d45b93025428 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml @@ -0,0 +1,71 @@ +# 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: 1 + + reg: + items: + - description: adsp mbox0 registers + - description: adsp mbox1 registers + + reg-names: + items: + - const: reg_mbox0 + - const: reg_mbox1 + + interrupts: + items: + - description: adsp mbox0 interrupt + - description: adsp mbox1 interrupt + + interrupt-names: + items: + - const: irq_mbox0 + - const: irq_mbox1 + +required: + - compatible + - "#mbox-cells" + - reg + - reg-names + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + #include + #include + + adsp_mailbox@adsp_mailbox@10816000 { + compatible = "mediatek,mt8195-adsp-mbox"; + #mbox-cells = <1>; + reg = <0 0x10816000 0 0x1000>, + <0 0x10817000 0 0x1000>; + reg-names = "reg_mbox0", "reg_mbox1"; + interrupts = , + ; + interrupt-names = "irq_mbox0", "irq_mbox0"; + }; +