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=-8.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 C305EC7113B for ; Mon, 21 Jan 2019 11:22:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F90520663 for ; Mon, 21 Jan 2019 11:22:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="mFksgUnE"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="E7QH/VQd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728324AbfAULWN (ORCPT ); Mon, 21 Jan 2019 06:22:13 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:33032 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727720AbfAULWL (ORCPT ); Mon, 21 Jan 2019 06:22:11 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id DFDFD608BA; Mon, 21 Jan 2019 11:22:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1548069730; bh=0Hi91cQ/hjCVhDdogwQ5vT80/tQYis8QOW0Gl5mbSwM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mFksgUnEyGQHnkIpROzIWp97cweXyO7bPGtJzKZ8yi3dDPGTeeuXAg1Lj+EPOtm40 /kbXe9RW/CMj0w1LXHVJ6sc2NLRj/zyK8fWNAzLCaItct71p6XhUzS29y4Krub5Cjb olL6OrjNdaSBCJYWyhU08fnlxMU3YA6kBoBJhXZM= Received: from alokc-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: alokc@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6A1B36013C; Mon, 21 Jan 2019 11:22:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1548069729; bh=0Hi91cQ/hjCVhDdogwQ5vT80/tQYis8QOW0Gl5mbSwM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E7QH/VQdmkBEJi1ngtaeYwvqs2jqiZuZzVtS+hZNCmGk/hmWjZSKmhLMEGbzuvyrp Umu26/Qby9BZJKMeEeqPovUsL0GdUYtiQuWZr5TVGVwM9AO9ElqJZYR5RDKGxjmDqM V6kRzk4xUmMqVZ82uiIgXY5vzURaBhq4hg+3A8ik= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6A1B36013C Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=alokc@codeaurora.org From: Alok Chauhan To: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Alok Chauhan , Karthikeyan Ramasubramanian , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Cc: andy.gross@linaro.org, david.brown@linaro.org, georgi.djakov@linaro.org, dianders@chromium.org, swboyd@chromium.org, bjorn.andersson@linaro.org Subject: [PATCH 3/6] i2c: i2c-qcom-geni: Add interconnect support Date: Mon, 21 Jan 2019 16:51:40 +0530 Message-Id: <1548069703-26595-4-git-send-email-alokc@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1548069703-26595-1-git-send-email-alokc@codeaurora.org> References: <1548069703-26595-1-git-send-email-alokc@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Get the interconnect paths for I2C based Serial Engine device and vote accordingly based on maximum supported I2C frequency. Signed-off-by: Alok Chauhan --- drivers/i2c/busses/i2c-qcom-geni.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c index db075bc..e8fe63a 100644 --- a/drivers/i2c/busses/i2c-qcom-geni.c +++ b/drivers/i2c/busses/i2c-qcom-geni.c @@ -14,6 +14,7 @@ #include #include #include +#include #define SE_I2C_TX_TRANS_LEN 0x26c #define SE_I2C_RX_TRANS_LEN 0x270 @@ -508,6 +509,15 @@ static int geni_i2c_probe(struct platform_device *pdev) return ret; } + /* Set the bus quota to a reasonable value */ + gi2c->se.avg_bw = Bps_to_icc(1000); + gi2c->se.peak_bw = Bps_to_icc(76800000); + ret = geni_interconnect_init(&gi2c->se); + if (ret) { + dev_err(&pdev->dev, "interconnect_init failed %d\n", ret); + return ret; + } + ret = device_property_read_u32(&pdev->dev, "clock-frequency", &gi2c->clk_freq_out); if (ret) { @@ -611,6 +621,8 @@ static int __maybe_unused geni_i2c_runtime_suspend(struct device *dev) gi2c->suspended = 1; } + geni_icc_update_bw(&gi2c->se, false); + return 0; } @@ -619,6 +631,7 @@ static int __maybe_unused geni_i2c_runtime_resume(struct device *dev) int ret; struct geni_i2c_dev *gi2c = dev_get_drvdata(dev); + geni_icc_update_bw(&gi2c->se, true); ret = geni_se_resources_on(&gi2c->se); if (ret) return ret; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project