From patchwork Mon May 27 12:00:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 1105803 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bootlin.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45CFtJ0zDRz9sBb for ; Mon, 27 May 2019 22:00:56 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726897AbfE0MAz (ORCPT ); Mon, 27 May 2019 08:00:55 -0400 Received: from relay12.mail.gandi.net ([217.70.178.232]:54345 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725858AbfE0MAz (ORCPT ); Mon, 27 May 2019 08:00:55 -0400 Received: from localhost (aaubervilliers-681-1-27-134.w90-88.abo.wanadoo.fr [90.88.147.134]) (Authenticated sender: maxime.ripard@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 40B5720000F; Mon, 27 May 2019 12:00:47 +0000 (UTC) From: Maxime Ripard To: Alexandre Belloni , Mark Rutland , Rob Herring , Frank Rowand , Chen-Yu Tsai , Maxime Ripard Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org Subject: [PATCH 02/10] dt-bindings: rtc: Add YAML schemas for the generic RTC bindings Date: Mon, 27 May 2019 14:00:34 +0200 Message-Id: <3220382f2eb8ba3cda1388882b2f4b53f75414e6.1558958381.git-series.maxime.ripard@bootlin.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <290402405a34506997fd2fab2c4c1486dbe6b7e5.1558958381.git-series.maxime.ripard@bootlin.com> References: <290402405a34506997fd2fab2c4c1486dbe6b7e5.1558958381.git-series.maxime.ripard@bootlin.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The real time clocks have a bunch of generic properties that are needed in a device tree. Add a YAML schemas for those. Signed-off-by: Maxime Ripard --- Documentation/devicetree/bindings/rtc/rtc.txt | 34 +------------- Documentation/devicetree/bindings/rtc/rtc.yaml | 50 +++++++++++++++++++- 2 files changed, 51 insertions(+), 33 deletions(-) create mode 100644 Documentation/devicetree/bindings/rtc/rtc.yaml diff --git a/Documentation/devicetree/bindings/rtc/rtc.txt b/Documentation/devicetree/bindings/rtc/rtc.txt index 234bd2af1830..b8d36fce5e2d 100644 --- a/Documentation/devicetree/bindings/rtc/rtc.txt +++ b/Documentation/devicetree/bindings/rtc/rtc.txt @@ -1,33 +1 @@ -Generic device tree bindings for Real Time Clock devices -======================================================== - -This document describes generic bindings which can be used to describe Real Time -Clock devices in a device tree. - -Required properties -------------------- - -- compatible : name of RTC device following generic names recommended practice. - -For other required properties e.g. to describe register sets, -clocks, etc. check the binding documentation of the specific driver. - -Optional properties -------------------- - -- start-year : if provided, the default hardware range supported by the RTC is - shifted so the first usable year is the specified one. - -The following properties may not be supported by all drivers. However, if a -driver wants to support one of the below features, it should adapt the bindings -below. -- trickle-resistor-ohms : Selected resistor for trickle charger. Should be given - if trickle charger should be enabled -- trickle-diode-disable : Do not use internal trickle charger diode Should be - given if internal trickle charger diode should be - disabled -- wakeup-source : Enables wake up of host system on alarm -- quartz-load-femtofarads : The capacitive load of the quartz(x-tal), - expressed in femto Farad (fF). - The default value shall be listed (if optional), - and likewise all valid values. +This file has been moved to rtc.yaml. diff --git a/Documentation/devicetree/bindings/rtc/rtc.yaml b/Documentation/devicetree/bindings/rtc/rtc.yaml new file mode 100644 index 000000000000..ee237b2ed66a --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/rtc.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/rtc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: RTC Generic Binding + +maintainers: + - Alexandre Belloni + +description: | + This document describes generic bindings which can be used to + describe Real Time Clock devices in a device tree. + +properties: + $nodename: + pattern: "^rtc(@.*|-[0-9a-f])*$" + + quartz-load-femtofarads: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The capacitive load of the quartz(x-tal), expressed in femto + Farad (fF). The default value shall be listed (if optional), + and likewise all valid values. + + start-year: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + If provided, the default hardware range supported by the RTC is + shifted so the first usable year is the specified one. + + trickle-diode-disable: + $ref: /schemas/types.yaml#/definitions/flag + description: + Do not use internal trickle charger diode. Should be given if + internal trickle charger diode should be disabled. + + trickle-resistor-ohms: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Selected resistor for trickle charger. Should be given + if trickle charger should be enabled. + + wakeup-source: + $ref: /schemas/types.yaml#/definitions/flag + description: + Enables wake up of host system on alarm. + +...