From patchwork Tue Jul 9 13:09:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?UWlpIFdhbmcgKOeOi+eQqik=?= X-Patchwork-Id: 11037021 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DE27C13B1 for ; Tue, 9 Jul 2019 13:10:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CAB2228768 for ; Tue, 9 Jul 2019 13:10:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BED6B2875C; Tue, 9 Jul 2019 13:10:30 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6864D28768 for ; Tue, 9 Jul 2019 13:10:30 +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=WgAHt0ZmGfRxIq9Gem2iC2yEPeZXnmRjDS5EHZ0yF9g=; b=dSThkhwPcNFRxy 7OLVAByEbMDU4/WCc3xPrLGfv/KDZZVjtlwhLF8+lBx981JKq18cHDZ9X3t2qsnLINE329WYCY4IG Y/aP8b5bBki5LOxIzv5iXuc9hDETgv+jHpE0AZYi64uiKcbz165Sjuz4JLGwVbRBUVdpy2iffkz1E JdOJiITXgo+s6y7eRBr8+niWIOJ4WafKkeWJOUkSrvcvirtjTl8DtZQ7FJHYrM/Omi9li9QgH4GHj g9Fxbhy00npez5kuIMPrga/Z+PUiBXDf0b3MHcd+6guVv7zDwk+iqIOk+rIxZ2XbJNHWvuGfxEUhi PrkWJkRRDQeb0qd7Xw8g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hkpt7-0004RJ-MU; Tue, 09 Jul 2019 13:10:29 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hkpsW-0002mI-Nd; Tue, 09 Jul 2019 13:09:54 +0000 X-UUID: 52725f3a980a421cbaddb4741bcf1e30-20190709 X-UUID: 52725f3a980a421cbaddb4741bcf1e30-20190709 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 320629930; Tue, 09 Jul 2019 05:09:47 -0800 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 9 Jul 2019 06:09:46 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 9 Jul 2019 21:09:45 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 9 Jul 2019 21:09:45 +0800 From: Qii Wang To: Subject: [PATCH v3 1/2] dt-bindings: i3c: Document MediaTek I3C master bindings Date: Tue, 9 Jul 2019 21:09:21 +0800 Message-ID: <1562677762-24067-2-git-send-email-qii.wang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1562677762-24067-1-git-send-email-qii.wang@mediatek.com> References: <1562677762-24067-1-git-send-email-qii.wang@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-20190709_060952_775364_57651D22 X-CRM114-Status: GOOD ( 10.07 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, srv_heupstream@mediatek.com, leilk.liu@mediatek.com, xinping.qian@mediatek.com, linux-kernel@vger.kernel.org, liguo.zhang@mediatek.com, robh+dt@kernel.org, linux-mediatek@lists.infradead.org, qii.wang@mediatek.com, matthias.bgg@gmail.com, linux-i3c@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Document MediaTek I3C master DT bindings. Signed-off-by: Qii Wang --- .../devicetree/bindings/i3c/mtk,i3c-master.txt | 48 ++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt diff --git a/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt new file mode 100644 index 0000000..d32eda6 --- /dev/null +++ b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt @@ -0,0 +1,48 @@ +Bindings for MediaTek I3C master block +===================================== + +Required properties: +-------------------- +- compatible: shall be "mediatek,i3c-master" +- reg: physical base address of the controller and apdma base, length of + memory mapped region. +- reg-names: shall be "main" for master controller and "dma" for apdma. +- interrupts: the interrupt line connected to this I3C master. +- clocks: shall reference the i3c and apdma clocks. +- clock-names: shall include "main" and "dma". + +Mandatory properties defined by the generic binding (see +Documentation/devicetree/bindings/i3c/i3c.txt for more details): + +- #address-cells: shall be set to 3 +- #size-cells: shall be set to 0 + +Optional properties defined by the generic binding (see +Documentation/devicetree/bindings/i3c/i3c.txt for more details): + +- i2c-scl-hz +- i3c-scl-hz + +I3C device connected on the bus follow the generic description (see +Documentation/devicetree/bindings/i3c/i3c.txt for more details). + +Example: + + i3c0: i3c@1100d000 { + compatible = "mediatek,i3c-master"; + reg = <0x1100d000 0x1000>, + <0x11000300 0x80>; + reg-names = "main", "dma"; + interrupts = ; + clocks = <&infracfg CLK_INFRA_I3C0>, + <&infracfg CLK_INFRA_AP_DMA>; + clock-names = "main", "dma"; + #address-cells = <3>; + #size-cells = <0>; + i2c-scl-hz = <100000>; + + nunchuk: nunchuk@52 { + compatible = "nintendo,nunchuk"; + reg = <0x52 0x0 0x10>; + }; + };