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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 DDF3EC4321A for ; Fri, 28 Jun 2019 12:24:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B19782083B for ; Fri, 28 Jun 2019 12:24:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561724666; bh=MnVX7iQuZIgqPHdb+CCEwhDt53v8Xsm2o490cwgty30=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Zcvi5Hbw6++Yvk8J8BugXqlykNppumF+SWjoCtBUmh0ynGwjLUStfshtlAQTC6mPH y30rXbruzM8eMDywvJdCUP8dmOxxT80eVhTwpo9hmrDjpxfjAbQGQOXt4376mCi5G7 SJSPVemFdmGk2Xu+RzJC3woVvfi3g7pyzKFImyWA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726723AbfF1MYZ (ORCPT ); Fri, 28 Jun 2019 08:24:25 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:58694 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726695AbfF1MUn (ORCPT ); Fri, 28 Jun 2019 08:20:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=4cWjMp5PaXweLfT1aRxtKRWZepkzB8FeW0x9RJN+xzA=; b=aEjnO659FFI6XQP0TkAY0HWE5x wTgw4FLrcyZWEuDdS415q6pSleIRidnvguWRrRCfDQbqfblxPUAs7ep4Z7U/4FdBDdunv9xjzka9z 0pAiBzASw3HVlSWCRg27zuTsu/TMuOse+676BwDkYrLBDmHAhG4mUvCeuBmo41KsxIj2dg/bKzIhN KsoH3h48lHCtxbfIirg1N2uzWdWf/3luXXgEGVx/ILEO2T6tHi+iJUPRl2uMWPVUfvkoF4YCXy9M8 bBUrhPV3JREMazdMLQ0bYULX01nrdd63/51BHOoXWTg13qNrMwuFomiAOxMpWjLEw8ySNfcMAS+vU Qpt9BEfA==; Received: from [186.213.242.156] (helo=bombadil.infradead.org) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hgprv-0000A1-BS; Fri, 28 Jun 2019 12:20:43 +0000 Received: from mchehab by bombadil.infradead.org with local (Exim 4.92) (envelope-from ) id 1hgprt-00057z-ES; Fri, 28 Jun 2019 09:20:41 -0300 From: Mauro Carvalho Chehab To: Linux Doc Mailing List Cc: Mauro Carvalho Chehab , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, Jonathan Corbet Subject: [PATCH 15/43] docs: memory-devices: convert ti-emif.txt to ReST Date: Fri, 28 Jun 2019 09:20:11 -0300 Message-Id: <481fb7e84e78cfd12f960dbab9f562200191fff3.1561723980.git.mchehab+samsung@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Prepare this file to be moved to a kernel book by converting it to ReST format and renaming it to ti-emif.rst. While this is not part of any book, mark it as :orphan:, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab --- .../{ti-emif.txt => ti-emif.rst} | 27 ++++++++++++------- 1 file changed, 17 insertions(+), 10 deletions(-) rename Documentation/memory-devices/{ti-emif.txt => ti-emif.rst} (81%) diff --git a/Documentation/memory-devices/ti-emif.txt b/Documentation/memory-devices/ti-emif.rst similarity index 81% rename from Documentation/memory-devices/ti-emif.txt rename to Documentation/memory-devices/ti-emif.rst index f4ad9a7d0f4b..c9242294e63c 100644 --- a/Documentation/memory-devices/ti-emif.txt +++ b/Documentation/memory-devices/ti-emif.rst @@ -1,20 +1,24 @@ -TI EMIF SDRAM Controller Driver: +:orphan: + +=============================== +TI EMIF SDRAM Controller Driver +=============================== Author -======== +====== Aneesh V Location -============ +======== driver/memory/emif.c Supported SoCs: -=================== +=============== TI OMAP44xx TI OMAP54xx Menuconfig option: -========================== +================== Device Drivers Memory devices Texas Instruments EMIF driver @@ -29,10 +33,11 @@ functions of the driver includes re-configuring AC timing parameters and other settings during frequency, voltage and temperature changes -Platform Data (see include/linux/platform_data/emif_plat.h): -===================================================================== +Platform Data (see include/linux/platform_data/emif_plat.h) +=========================================================== DDR device details and other board dependent and SoC dependent information can be passed through platform data (struct emif_platform_data) + - DDR device details: 'struct ddr_device_info' - Device AC timings: 'struct lpddr2_timings' and 'struct lpddr2_min_tck' - Custom configurations: customizable policy options through @@ -40,17 +45,19 @@ information can be passed through platform data (struct emif_platform_data) - IP revision - PHY type -Interface to the external world: -================================ +Interface to the external world +=============================== EMIF driver registers notifiers for voltage and frequency changes affecting EMIF and takes appropriate actions when these are invoked. + - freq_pre_notify_handling() - freq_post_notify_handling() - volt_notify_handling() Debugfs -======== +======= The driver creates two debugfs entries per device. + - regcache_dump : dump of register values calculated and saved for all frequencies used so far. - mr4 : last polled value of MR4 register in the LPDDR2 device. MR4 -- 2.21.0