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, URIBL_BLOCKED,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 4BB77C4CECD for ; Tue, 17 Sep 2019 04:51:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 28FDD216C8 for ; Tue, 17 Sep 2019 04:51:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392330AbfIQEvw (ORCPT ); Tue, 17 Sep 2019 00:51:52 -0400 Received: from inva021.nxp.com ([92.121.34.21]:36368 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392296AbfIQEvv (ORCPT ); Tue, 17 Sep 2019 00:51:51 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 4B13920064A; Tue, 17 Sep 2019 06:51:49 +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 A64CE20065F; Tue, 17 Sep 2019 06:51:44 +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 B5EDD402C4; Tue, 17 Sep 2019 12:51:38 +0800 (SGT) From: Biwen Li To: leoyang.li@nxp.com, shawnguo@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com Cc: linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Biwen Li Subject: [v2,3/3] Documentation: dt: binding: fsl: Add 'fsl,rcpm-scfg' property Date: Tue, 17 Sep 2019 12:41:19 +0800 Message-Id: <20190917044119.21895-3-biwen.li@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190917044119.21895-1-biwen.li@nxp.com> References: <20190917044119.21895-1-biwen.li@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The 'fsl,rcpm-scfg' property is used to fix a bug that FlexTimer cannot wakeup system in deep sleep on LS1021A Signed-off-by: Biwen Li --- Change in v2: - update desc of the property 'fsl,rcpm-scfg' Documentation/devicetree/bindings/soc/fsl/rcpm.txt | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt index 5a33619d881d..f8dce247357a 100644 --- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt @@ -34,6 +34,11 @@ Chassis Version Example Chips Optional properties: - little-endian : RCPM register block is Little Endian. Without it RCPM will be Big Endian (default case). + - fsl,rcpm-scfg : LS1021A has defect of failing to get data when + reading ippdexpcr. So add this property to help store one + copy to specified scfg_scrachpad_addr register for others + (such as U-Boot) reference. The first entry must be a link to the + SCFG device node, then followed by the offset of registers of SCFG. Example: The RCPM node for T4240: @@ -43,6 +48,14 @@ The RCPM node for T4240: #fsl,rcpm-wakeup-cells = <2>; }; +The RCPM node for LS1021A: + rcpm: rcpm@1ee2140 { + compatible = "fsl,ls1021a-rcpm", "fsl,qoriq-rcpm-2.1+"; + reg = <0x0 0x1ee2140 0x0 0x8>; + #fsl,rcpm-wakeup-cells = <2>; + fsl,rcpm-scfg = <&scfg 0x0 0x51c>; /* SCFG_SPARECR8 */ + }; + * Freescale RCPM Wakeup Source Device Tree Bindings ------------------------------------------- Required fsl,rcpm-wakeup property should be added to a device node if the device -- 2.17.1