From patchwork Fri Jun 10 13:23:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gregory CLEMENT X-Patchwork-Id: 9169817 X-Patchwork-Delegate: sboyd@codeaurora.org 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 C348B60573 for ; Fri, 10 Jun 2016 13:24:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B49B7282F9 for ; Fri, 10 Jun 2016 13:24:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A95EB2835D; Fri, 10 Jun 2016 13:24:46 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4C035282F9 for ; Fri, 10 Jun 2016 13:24:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933325AbcFJNXy (ORCPT ); Fri, 10 Jun 2016 09:23:54 -0400 Received: from down.free-electrons.com ([37.187.137.238]:58563 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932734AbcFJNXw (ORCPT ); Fri, 10 Jun 2016 09:23:52 -0400 Received: by mail.free-electrons.com (Postfix, from userid 110) id 4DF4744E; Fri, 10 Jun 2016 15:23:50 +0200 (CEST) Received: from localhost (81-67-231-93.rev.numericable.fr [81.67.231.93]) by mail.free-electrons.com (Postfix) with ESMTPSA id 1CE2E1F8; Fri, 10 Jun 2016 15:23:50 +0200 (CEST) From: Gregory CLEMENT To: Mike Turquette , Stephen Boyd , linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Rob Herring , devicetree@vger.kernel.org, Thomas Petazzoni , linux-arm-kernel@lists.infradead.org, Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Gregory CLEMENT , Nadav Haklai , Victor Gu , Romain Perier , Omri Itach , Marcin Wojtas , Wilson Ding , Shadi Ammouri Subject: [PATCH 05/10] dt-bindings: clock: add DT binding for the Xtal clock on Armada 3700 Date: Fri, 10 Jun 2016 15:23:33 +0200 Message-Id: <1465565018-14172-6-git-send-email-gregory.clement@free-electrons.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1465565018-14172-1-git-send-email-gregory.clement@free-electrons.com> References: <1465565018-14172-1-git-send-email-gregory.clement@free-electrons.com> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This commit adds the DT binding documentation for the the Xtal clock on Armada 3700 used in the Marvell Armada 3700 SoCs. Signed-off-by: Gregory CLEMENT Acked-by: Rob Herring --- .../bindings/clock/armada3700-xtal-clock.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/armada3700-xtal-clock.txt diff --git a/Documentation/devicetree/bindings/clock/armada3700-xtal-clock.txt b/Documentation/devicetree/bindings/clock/armada3700-xtal-clock.txt new file mode 100644 index 000000000000..176c4fe6f0e9 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/armada3700-xtal-clock.txt @@ -0,0 +1,28 @@ +* Xtal Clock bindings for Marvell Armada 37xx SoCs + +Marvell Armada 37xx SoCs allow to determine the xtal clock frequencies by +reading the gpio latch register. + +This node must be a subnode of the node exposing the register address +of the GPIO block where the gpio latch is located. + +Required properties: +- compatible : shall be one of the following: + "marvell,armada-3700-xtal-clock" +- #clock-cells : from common clock binding; shall be set to 0 + +Optional properties: +- clock-output-names : from common clock binding; allows overwrite default clock + output names ("xtal") + +Example: +gpio1: gpio@13800 { + compatible = "marvell,mvebu-gpio-3700", "syscon", "simple-mfd"; + reg = <0x13800 0x1000>; + + xtalclk: xtal-clk { + compatible = "marvell,armada-3700-xtal-clock"; + clock-output-names = "xtal"; + #clock-cells = <0>; + }; +};