From patchwork Fri Feb 8 12:27:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sugaya Taichi X-Patchwork-Id: 10803003 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 A37B2746 for ; Fri, 8 Feb 2019 12:26:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 914FF2DCED for ; Fri, 8 Feb 2019 12:26:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8369D2DD0E; Fri, 8 Feb 2019 12:26:47 +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 autolearn=ham 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 2FE312DCED for ; Fri, 8 Feb 2019 12:26:47 +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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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:In-Reply-To: References:List-Owner; bh=ID8KcsWeCECrccWA3wkkBFpYXbI3F5OvQyGpPrf+Cfw=; b=Pvw OJ2gHHq4olqj+z3xpA180UMkz0ZwE96ZKIFFj6DY9gyXhksDzlR1d5yEUP2hTt8BEU8JN7gq2wmmN UuKscv2hOmeET8dg66eCnRw+VwKMgUu6/ZK0cjRkM2kL6W3YztqW+tTsRKOxbSl4UnALfwOLOXDMX 0wo2x1AUOMp2WvS6wTqECrImzhna8jICmbthe7G+V2foUPUmaFNLMmaqi5wmT4MpWpUAd/0lLYxZa qbS7GGf2yOMmdIXartzeSP+9oRhgD5yMsjeBuLKZ8klwVetDmT1XVgErlJ5B7NY5I4VbWW32Um3zD ox7+EExtH1zAiW1wpKJs0fQKoulLYJQ==; 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 1gs5F0-0008Cl-Hg; Fri, 08 Feb 2019 12:26:46 +0000 Received: from mx.socionext.com ([202.248.49.38]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gs5EZ-0007Ub-6v for linux-arm-kernel@lists.infradead.org; Fri, 08 Feb 2019 12:26:37 +0000 Received: from unknown (HELO iyokan-ex.css.socionext.com) ([172.31.9.54]) by mx.socionext.com with ESMTP; 08 Feb 2019 21:26:18 +0900 Received: from mail.mfilter.local (m-filter-1 [10.213.24.61]) by iyokan-ex.css.socionext.com (Postfix) with ESMTP id D2CCD60062; Fri, 8 Feb 2019 21:26:18 +0900 (JST) Received: from 172.31.9.53 (172.31.9.53) by m-FILTER with ESMTP; Fri, 8 Feb 2019 21:26:18 +0900 Received: from yuzu.css.socionext.com (yuzu [172.31.8.45]) by iyokan.css.socionext.com (Postfix) with ESMTP id AA4EA4036D; Fri, 8 Feb 2019 21:26:18 +0900 (JST) Received: from M20VSDK.e01.socionext.com (unknown [10.213.118.34]) by yuzu.css.socionext.com (Postfix) with ESMTP id 874BD1202F1; Fri, 8 Feb 2019 21:26:18 +0900 (JST) From: Sugaya Taichi To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 07/15] ndings: clock: milbeaut: add Milbeaut clock description Date: Fri, 8 Feb 2019 21:27:03 +0900 Message-Id: <1549628823-31388-1-git-send-email-sugaya.taichi@socionext.com> X-Mailer: git-send-email 1.9.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190208_042619_493936_16662964 X-CRM114-Status: GOOD ( 16.31 ) 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: Mark Rutland , Shinji Kanematsu , Sugaya Taichi , Masami Hiramatsu , Stephen Boyd , Michael Turquette , Jassi Brar , Rob Herring , Takao Orito , Kazuhiro Kasai MIME-Version: 1.0 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 Add DT bindings document for Milbeaut clock. Signed-off-by: Sugaya Taichi --- .../devicetree/bindings/clock/milbeaut-clock.txt | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/milbeaut-clock.txt diff --git a/Documentation/devicetree/bindings/clock/milbeaut-clock.txt b/Documentation/devicetree/bindings/clock/milbeaut-clock.txt new file mode 100644 index 0000000..bcfc5df --- /dev/null +++ b/Documentation/devicetree/bindings/clock/milbeaut-clock.txt @@ -0,0 +1,49 @@ +Milbeaut SoCs Clock Controller Binding +---------------------------------------- +Milbeaut SoCs Clock controller is an integrated clock controller, which +generates and supplies to all modules. + +This binding uses common clock bindings +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible: should be one of the following: + "socionext,milbeaut-m10v-ccu" - for M10V SoC +- reg: shall contain base address and length of clock registers +- #clock-cells: shall be 1 +- clocks: shall be an external clock + +Example: Clock controller node: + + clk: m10v-clk-ctrl@1d021000 { + compatible = "socionext,milbeaut-m10v-clk-ccu"; + reg = <0x1d021000 0x4000>; + #clock-cells = <1> + clocks = <&clki40mhz> + }; + +Example: Required an external clock for Clock controller node: + + clocks { + clki40mhz: clki40mhz { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <40000000>; + }; + + /* other clocks */ + }; + +The clock consumer shall specify the desired clock-output of the clock +controller as below by specifying output-id in its "clk" phandle cell. +2: uart +4: 32-bit timer + +Example: uart1 node: + uart1: serial@1e700010 { + compatible = "socionext,milbeaut-usio-uart"; + reg = <0x1e700010 0x10>; + interrupts = <0 141 0x4>, <0 149 0x4>; + interrupt-names = "rx", "tx"; + clocks = <&clk 2>; + };