From patchwork Mon Jun 3 03:51:02 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: 10972181 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 2B40913AD for ; Mon, 3 Jun 2019 03:52:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1ACA6288BF for ; Mon, 3 Jun 2019 03:52:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0EF5F288C4; Mon, 3 Jun 2019 03:52:17 +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 B8795288BF for ; Mon, 3 Jun 2019 03:52:16 +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=D9gQA5Oc6avpmLSj27g1NJi89n4C6UrHMhPsZwJCq6s=; b=o+l9zteLTTT4Fg vSv08jVMneciy5XcOiBLKjbfAiqqqHjy4ewP7C8niBXvLw6jEAhNF7MCTiUiK8gDC8uqyeViueLZV B0KfNbKrDnj1lj11wTAJYzh4t9cDsZ4VTt08IdlzKoz5UXK4ARLa4hqsuM1KBtfKINkbR6EFHrRf/ p1uQybkxEFzlYxIMQSJcVVmGXnZ/EYTX1gZ1hd5Hj9M2jqJfumOYHfnIx55nAJY5iYybpGoWp/WB6 jjy7ZFKcR5/WGr1Mfe5SKSM0ywPLR5u+lOAjJffcjCjyLqIhsztfilHF1cxrMNKodbHYHoyUJdsbM NDaK+J9rSZRktmeMCxnQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hXe19-0006DB-4u; Mon, 03 Jun 2019 03:52:15 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hXe0o-0005nb-Ts; Mon, 03 Jun 2019 03:51:56 +0000 X-UUID: aa4415f8c9ad44e2aea9016735ee2f23-20190602 X-UUID: aa4415f8c9ad44e2aea9016735ee2f23-20190602 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1440770055; Sun, 02 Jun 2019 19:51:21 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 2 Jun 2019 20:51:19 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 3 Jun 2019 11:51:18 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 3 Jun 2019 11:51:17 +0800 From: Qii Wang To: Subject: [PATCH 1/2] dt-bindings: i3c: Document MediaTek I3C master bindings Date: Mon, 3 Jun 2019 11:51:02 +0800 Message-ID: <1559533863-10292-2-git-send-email-qii.wang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1559533863-10292-1-git-send-email-qii.wang@mediatek.com> References: <1559533863-10292-1-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-20190602_205154_968296_7369B8EA X-CRM114-Status: UNSURE ( 9.74 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, leilk.liu@mediatek.com, gregkh@linuxfoundation.org, xinping.qian@mediatek.com, linux-kernel@vger.kernel.org, liguo.zhang@mediatek.com, 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 | 50 ++++++++++++++++++++ 1 file changed, 50 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..89ec380 --- /dev/null +++ b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt @@ -0,0 +1,50 @@ +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: should be "main" for controller and "dma" for apdma. +- interrupts: interrupt number to the cpu. +- clock-div: the fixed value for frequency divider of clock source in i3c + module. Each IC may be different. +- clocks: clock name from clock manager. +- clock-names: must 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 0x100>, + <0x11000300 0x80>; + reg-names = "main", "dma"; + interrupts = ; + clock-div = <16>; + clocks = <&i3c0_ck>, <&ap_dma_ck>; + clock-names = "main", "dma"; + #address-cells = <1>; + #size-cells = <0>; + i2c-scl-hz = <100000>; + + nunchuk: nunchuk@52 { + compatible = "nintendo,nunchuk"; + reg = <0x52 0x80000010 0>; + }; + };