From patchwork Mon Aug 27 10:55:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vivek Gautam X-Patchwork-Id: 10576941 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 255D0174A for ; Mon, 27 Aug 2018 10:57:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 13C80292F1 for ; Mon, 27 Aug 2018 10:57:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 07CA229771; Mon, 27 Aug 2018 10:57:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9F42F292F1 for ; Mon, 27 Aug 2018 10:57:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726809AbeH0Onx (ORCPT ); Mon, 27 Aug 2018 10:43:53 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:40136 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726785AbeH0Onx (ORCPT ); Mon, 27 Aug 2018 10:43:53 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 8A8DC60B1E; Mon, 27 Aug 2018 10:57:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1535367462; bh=zqhjyYXYCkGxUuBTOWuU20CG4QwyI9M1vCIVXijAu+s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EbP6k13JiCgxBB7Wo2Y4Kuv4b6a8s0XrxjLzatH4NCrPptInNBOxAPxJdwmO2sP6E JuMfBicb5zZeI8PzjhyZcSFO4FiPlufpUc8sTmtK3nifTEg2jiRqvPZXL+bWo4Mpcz zeetQjHgqmhSPd7eK0uNRDIn16WuYAGy1fGx+j20= Received: from blr-ubuntu-41.ap.qualcomm.com (blr-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: vivek.gautam@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 1EAC5601D1; Mon, 27 Aug 2018 10:57:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1535367453; bh=zqhjyYXYCkGxUuBTOWuU20CG4QwyI9M1vCIVXijAu+s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l/2LqoKdUPVYnpg8y8vWMAdGS4ZSlnYf09nT+7ceBiS+BLySHhcldPRWQTK8O2hzh dFUnc2qKw/guEbaNILPJr3hTSnApQ76rrvU4qJJp0wb8YZmO+tIdSCBWN0nJxqV/9M NXb/NcXt7YfC4itaGQ216oXsnuVuFs5pXXQodXf8= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 1EAC5601D1 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=vivek.gautam@codeaurora.org From: Vivek Gautam To: joro@8bytes.org, robh+dt@kernel.org, robin.murphy@arm.com, will.deacon@arm.com, iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, freedreno@lists.freedesktop.org Cc: alex.williamson@redhat.com, mark.rutland@arm.com, rjw@rjwysocki.net, robdclark@gmail.com, andy.gross@linaro.org, linux-pm@vger.kernel.org, sboyd@kernel.org, tfiga@chromium.org, jcrouse@codeaurora.org, sricharan@codeaurora.org, m.szyprowski@samsung.com, architt@codeaurora.org, linux-arm-msm@vger.kernel.org, Vivek Gautam Subject: [Patch v15 5/5] iommu/arm-smmu: Add support for qcom,smmu-v2 variant Date: Mon, 27 Aug 2018 16:25:51 +0530 Message-Id: <20180827105551.16346-6-vivek.gautam@codeaurora.org> X-Mailer: git-send-email 2.16.1.72.g5be1f00a9a70 In-Reply-To: <20180827105551.16346-1-vivek.gautam@codeaurora.org> References: <20180827105551.16346-1-vivek.gautam@codeaurora.org> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP qcom,smmu-v2 is an arm,smmu-v2 implementation with specific clock and power requirements. On msm8996, multiple cores, viz. mdss, video, etc. use this smmu. On sdm845, this smmu is used with gpu. Add bindings for the same. Signed-off-by: Vivek Gautam Reviewed-by: Rob Herring Reviewed-by: Tomasz Figa Tested-by: Srinivas Kandagatla --- Changes since v14: - Moved out dt-bindings change to separate patch. drivers/iommu/arm-smmu.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index b5e7f72d418c..c0177ea32678 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -119,6 +119,7 @@ enum arm_smmu_implementation { GENERIC_SMMU, ARM_MMU500, CAVIUM_SMMUV2, + QCOM_SMMUV2, }; struct arm_smmu_s2cr { @@ -1970,6 +1971,17 @@ ARM_SMMU_MATCH_DATA(arm_mmu401, ARM_SMMU_V1_64K, GENERIC_SMMU); ARM_SMMU_MATCH_DATA(arm_mmu500, ARM_SMMU_V2, ARM_MMU500); ARM_SMMU_MATCH_DATA(cavium_smmuv2, ARM_SMMU_V2, CAVIUM_SMMUV2); +static const char * const qcom_smmuv2_clks[] = { + "bus", "iface", +}; + +static const struct arm_smmu_match_data qcom_smmuv2 = { + .version = ARM_SMMU_V2, + .model = QCOM_SMMUV2, + .clks = qcom_smmuv2_clks, + .num_clks = ARRAY_SIZE(qcom_smmuv2_clks), +}; + static const struct of_device_id arm_smmu_of_match[] = { { .compatible = "arm,smmu-v1", .data = &smmu_generic_v1 }, { .compatible = "arm,smmu-v2", .data = &smmu_generic_v2 }, @@ -1977,6 +1989,7 @@ static const struct of_device_id arm_smmu_of_match[] = { { .compatible = "arm,mmu-401", .data = &arm_mmu401 }, { .compatible = "arm,mmu-500", .data = &arm_mmu500 }, { .compatible = "cavium,smmu-v2", .data = &cavium_smmuv2 }, + { .compatible = "qcom,smmu-v2", .data = &qcom_smmuv2 }, { }, }; MODULE_DEVICE_TABLE(of, arm_smmu_of_match);