From patchwork Fri Nov 17 09:24:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: YiPing Xu X-Patchwork-Id: 10062473 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4D31D6023A for ; Fri, 17 Nov 2017 09:30:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4B0A62A6F4 for ; Fri, 17 Nov 2017 09:30:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3DDAA2A6FF; Fri, 17 Nov 2017 09:30:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9B7882A6F4 for ; Fri, 17 Nov 2017 09:30:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ThdEEfJ4GWxRzIkXKQpxDigN//isSDUe/tRDENnLR2o=; b=Fmm7fSSIHBRMDE c1DHlE9w59kuRIeKWvqtcJgiyvA2/YDxyMzKHgiKp96fJtd20p3meBIJCRQRLJ+cMxF86rwSpfE2E m0en/NLrfxIFoPBp/FzUZK/Yz+d+3cRBKLdamV555ZrzAL5zjQHW6LINI9Y3bTnaFyekMBgFD45s7 PekNEgK5K1F5vBAQaDkYvG3JSS/2VZQHs4TZ+SXclFqMhTbHKS60Zk69e5SW0OVHlwj7gY7lO9aZB HC532CDkebj/N37WQpW3GufOVRHPYSntQmTatk8zJE5wfN2FCh7i4APF3H4a216/mVzEAELC5PmrF CuMtD6Ah4IwbXbujZ2Lw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1eFcyV-0003fb-AT; Fri, 17 Nov 2017 09:30:15 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1eFcxH-0001qn-23 for linux-arm-kernel@lists.infradead.org; Fri, 17 Nov 2017 09:29:06 +0000 Received: from 172.30.72.58 (EHLO DGGEMS402-HUB.china.huawei.com) ([172.30.72.58]) by dggrg04-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id DLA22892; Fri, 17 Nov 2017 17:25:22 +0800 (CST) Received: from vm167-7.huawei.com (10.177.167.7) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.361.1; Fri, 17 Nov 2017 17:24:34 +0800 From: Xu YiPing To: , , , , , Subject: [PATCH v3 1/3] dt-bindings: mailbox: Introduce Hi3660 controller binding Date: Fri, 17 Nov 2017 17:24:30 +0800 Message-ID: <1510910672-1409-2-git-send-email-xuyiping@hisilicon.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1510910672-1409-1-git-send-email-xuyiping@hisilicon.com> References: <1510910672-1409-1-git-send-email-xuyiping@hisilicon.com> MIME-Version: 1.0 X-Originating-IP: [10.177.167.7] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020205.5A0EAB02.0047, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: bb0894d03a288da47192700d16d6f5ab X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171117_012900_281539_E14D021B X-CRM114-Status: UNSURE ( 9.92 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: xuezhiliang@hisilicon.com, devicetree@vger.kernel.org, guodong.xu@linaro.org, suzhuangluan@hisilicon.com, linux-kernel@vger.kernel.org, zhongkaihua@huawei.com, haojian.zhuang@linaro.org, kevin.wangtao@hisilicon.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Leo Yan Introduce a binding for the Hi3660 mailbox controller, the mailbox is used within application processor (AP), communication processor (CP), HIFI and MCU, etc. Signed-off-by: Leo Yan Acked-by: Rob Herring --- .../bindings/mailbox/hisilicon,hi3660-mailbox.txt | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/hisilicon,hi3660-mailbox.txt diff --git a/Documentation/devicetree/bindings/mailbox/hisilicon,hi3660-mailbox.txt b/Documentation/devicetree/bindings/mailbox/hisilicon,hi3660-mailbox.txt new file mode 100644 index 0000000..3e5b453 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/hisilicon,hi3660-mailbox.txt @@ -0,0 +1,51 @@ +Hisilicon Hi3660 Mailbox Controller + +Hisilicon Hi3660 mailbox controller supports up to 32 channels. Messages +are passed between processors, including application & communication +processors, MCU, HIFI, etc. Each channel is unidirectional and accessed +by using MMIO registers; it supports maximum to 8 words message. + +Controller +---------- + +Required properties: +- compatible: : Shall be "hisilicon,hi3660-mbox" +- reg: : Offset and length of the device's register set +- #mbox-cells: : Must be 3 + <&phandle channel dst_irq ack_irq> + phandle : Label name of controller + channel : Channel number + dst_irq : Remote interrupt vector + ack_irq : Local interrupt vector + +- interrupts: : Contains the two IRQ lines for mailbox. + +Example: + +mailbox: mailbox@e896b000 { + compatible = "hisilicon,hi3660-mbox"; + reg = <0x0 0xe896b000 0x0 0x1000>; + interrupts = <0x0 0xc0 0x4>, + <0x0 0xc1 0x4>; + #mbox-cells = <3>; +}; + +Client +------ + +Required properties: +- compatible : See the client docs +- mboxes : Standard property to specify a Mailbox (See ./mailbox.txt) + Cells must match 'mbox-cells' (See Controller docs above) + +Optional properties +- mbox-names : Name given to channels seen in the 'mboxes' property. + +Example: + +stub_clock: stub_clock@e896b500 { + compatible = "hisilicon,hi3660-stub-clk"; + reg = <0x0 0xe896b500 0x0 0x0100>; + #clock-cells = <1>; + mboxes = <&mailbox 13 3 0>; +};