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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 CB0DBC3B184 for ; Fri, 7 Feb 2020 14:45:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A23AA21741 for ; Fri, 7 Feb 2020 14:45:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727076AbgBGOpv (ORCPT ); Fri, 7 Feb 2020 09:45:51 -0500 Received: from alexa-out-blr-02.qualcomm.com ([103.229.18.198]:2101 "EHLO alexa-out-blr-02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727065AbgBGOpv (ORCPT ); Fri, 7 Feb 2020 09:45:51 -0500 Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by alexa-out-blr-02.qualcomm.com with ESMTP/TLS/AES256-SHA; 07 Feb 2020 20:15:45 +0530 Received: from c-ppvk-linux.qualcomm.com ([10.206.24.34]) by ironmsg01-blr.qualcomm.com with ESMTP; 07 Feb 2020 20:15:11 +0530 Received: by c-ppvk-linux.qualcomm.com (Postfix, from userid 2304101) id DE9F947EB; Fri, 7 Feb 2020 20:15:10 +0530 (IST) From: Pradeep P V K To: adrian.hunter@intel.com, robh+dt@kernel.org, ulf.hansson@linaro.org, asutoshd@codeaurora.org, stummala@codeaurora.org, sayalil@codeaurora.org, rampraka@codeaurora.org, vbadigan@codeaurora.org, sboyd@kernel.org, georgi.djakov@linaro.org Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, agross@kernel.org, linux-mmc-owner@vger.kernel.org, mka@chromium.org, Pradeep P V K Subject: [RFC v3 0/2] Add SDHC interconnect bandwidth scaling Date: Fri, 7 Feb 2020 20:14:53 +0530 Message-Id: <1581086695-16645-1-git-send-email-ppvk@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add interconnect bandwidths for SDHC driver using OPP framework that is required by SDHC driver based on the clock frequency and bus width of the card. Otherwise, the system clocks may run at minimum clock speed and thus affecting the performance. This change is based on Georgi Djakov [RFC] (https://lkml.org/lkml/2018/10/11/499) and Saravana Kannan [PATCH v6] (https://lkml.org/lkml/2019/12/6/740) change from RFC v2 -> v3 changes: - Modified interconnect bandwidth support using OPP framework. - Addressed review comments on v2. Pradeep P V K (2): mmc: sdhci-msm: Add interconnect bus bandwidth scaling support dt-bindings: mmc: sdhci-msm: Add interconnect BW scaling strings .../devicetree/bindings/mmc/sdhci-msm.txt | 18 ++ drivers/mmc/host/sdhci-msm.c | 251 ++++++++++++++++++++- 2 files changed, 265 insertions(+), 4 deletions(-) -- 1.9.1