From patchwork Thu Jul 11 14:43:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biwen Li X-Patchwork-Id: 1130832 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@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=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45kzYs3H2Fz9s4Y for ; Fri, 12 Jul 2019 00:52:49 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728638AbfGKOwo (ORCPT ); Thu, 11 Jul 2019 10:52:44 -0400 Received: from inva021.nxp.com ([92.121.34.21]:50930 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726213AbfGKOwo (ORCPT ); Thu, 11 Jul 2019 10:52:44 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 15AA3200949; Thu, 11 Jul 2019 16:52:42 +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 CDA812001EC; Thu, 11 Jul 2019 16:52:35 +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 04CDD402C1; Thu, 11 Jul 2019 22:52:27 +0800 (SGT) From: Biwen Li To: a.zummo@towertech.it, alexandre.belloni@bootlin.com, leoyang.li@nxp.com, robh+dt@kernel.org Cc: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org, xiaobo.xie@nxp.com, jiafei.pan@nxp.com, ran.wang_1@nxp.com, mark.rutland@arm.com, devicetree@vger.kernel.org, Biwen Li Subject: [v3 2/2] Documentation: dt: binding: rtc: add binding for ftm alarm driver Date: Thu, 11 Jul 2019 22:43:25 +0800 Message-Id: <20190711144325.10963-1-biwen.li@nxp.com> X-Mailer: git-send-email 2.9.5 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 v3: - remove reg-names property - correct cells number 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 | 38 ++++++++++++++++++++++ 1 file changed, 38 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..e4eea18 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt @@ -0,0 +1,38 @@ +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", 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. +- interrupts : Should be the FlexTimer Module interrupt. +- fsl,rcpm-wakeup property and rcpm node : Please refer + Documentation/devicetree/bindings/soc/fsl/rcpm.txt + +Optional properties: +- big-endian: If the host controller is big-endian mode, specify this property. + The default endian mode is little-endian. + +Example: +rcpm: rcpm@1e34040 { + compatible = "fsl,ls1088a-rcpm", "fsl,qoriq-rcpm-2.1+"; + reg = <0x0 0x1e34040 0x0 0x18>; + fsl,#rcpm-wakeup-cells = <6>; +} + +ftm_alarm0: timer@2800000 { + compatible = "fsl,ls1088a-ftm-alarm"; + reg = <0x0 0x2800000 0x0 0x10000>; + fsl,rcpm-wakeup = <&rcpm 0x0 0x0 0x0 0x0 0x4000 0x0>; + interrupts = <0 44 4>; +}