From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34AD4C606CF for ; Wed, 10 Jul 2019 11:13:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 16C4720665 for ; Wed, 10 Jul 2019 11:13:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727110AbfGJLNu (ORCPT ); Wed, 10 Jul 2019 07:13:50 -0400 Received: from inva021.nxp.com ([92.121.34.21]:33052 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725956AbfGJLNu (ORCPT ); Wed, 10 Jul 2019 07:13:50 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 0D804200707; Wed, 10 Jul 2019 13:13:48 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 36D682006FF; Wed, 10 Jul 2019 13:13:43 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 0C92E402DB; Wed, 10 Jul 2019 19:13:36 +0800 (SGT) From: Biwen Li To: a.zummo@towertech.it, alexandre.belloni@bootlin.com, leoyang.li@nxp.com Cc: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org, xiaobo.xie@nxp.com, jiafei.pan@nxp.com, ran.wang_1@nxp.com, Biwen Li Subject: [v2,2/2] Documentation: dt: binding: rtc: add binding for ftm alarm driver Date: Wed, 10 Jul 2019 19:04:24 +0800 Message-Id: <20190710110424.4254-2-biwen.li@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190710110424.4254-1-biwen.li@nxp.com> References: <20190710110424.4254-1-biwen.li@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org The patch adds binding for ftm alarm driver Signed-off-by: Biwen Li --- Change in v2: - replace ls1043a with ls1088a as example - add rcpm node and fsl,rcpm-wakeup property .../devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt diff --git a/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt new file mode 100644 index 0000000..010984a --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt @@ -0,0 +1,40 @@ +Freescale FlexTimer Module (FTM) Alarm + +Note: The driver need work with RCPM driver to wake up system in sleep. + +Required properties: + +- compatible : Should be "fsl,ftm-alarm" or "fsl,-ftm-alarm", the + supported chips include + "fsl,ls1012a-ftm-alarm" + "fsl,ls1021a-ftm-alarm" + "fsl,ls1028a-ftm-alarm" + "fsl,ls1043a-ftm-alarm" + "fsl,ls1046a-ftm-alarm" + "fsl,ls1088a-ftm-alarm" + "fsl,ls208xa-ftm-alarm" +- reg : Specifies base physical address and size of the register sets for the + FlexTimer Module and base physical address of IP Powerdown Exception Control + Register. +- reg-names: names of the mapped memory regions listed in regs property. + should include the following entries: + "ftm": Address of the register sets for FlexTimer Module +- interrupts : Should be the FlexTimer Module interrupt. +- fsl,rcpm-wakeup property and rcpm node : Please refer + Documentation/devicetree/bindings/soc/fsl/rcpm.txt +- big-endian: If the host controller is big-endian mode, specify this property. + The default endian mode is little-endian. + +Example: +rcpm: rcpm@1e34050 { + compatible = "fsl,ls1088a-rcpm", "fsl,qoriq-rcpm-2.1+"; + reg = <0x0 0x1e34050 0x0 0x4>; + fsl,#rcpm-wakeup-cells = <1>; +} + +ftm_alarm0: timer@2800000 { + compatible = "fsl,ftm-alarm"; + reg = <0x0 0x2800000 0x0 0x10000>; + fsl,rcpm-wakeup = <&rcpm 0x0 0x4000>; + interrupts = <0 44 4>; +} -- 2.7.4