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=-2.6 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, 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 67152C433F5 for ; Thu, 30 Aug 2018 14:46:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1C8ED20837 for ; Thu, 30 Aug 2018 14:46:51 +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="Fnf6BK9t"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="WKhWQ5z7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1C8ED20837 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729997AbeH3StT (ORCPT ); Thu, 30 Aug 2018 14:49:19 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:58674 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729216AbeH3StS (ORCPT ); Thu, 30 Aug 2018 14:49:18 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id A4DA260881; Thu, 30 Aug 2018 14:46:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1535640407; bh=9AdKvQc/86rK39sIxbLf10cr1Yc9eFsHsZmeusLdedM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Fnf6BK9tHBTH6M73FMBcjcEMqDuoqMK5qGYy+/5TcfveYl7g3hHKEha3zNGRMO3Ek s6QpzVIbc6iEGP+n5A6DCUCR3Joww2gOfHOo6kB1srlaKXFsjlGVKkX082MVO3QARr LIj7pBga0/Kq1vCEYlyLbJbss0yBnAMnrbRPZx4Q= 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 0124F60B0D; Thu, 30 Aug 2018 14:46:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1535640399; bh=9AdKvQc/86rK39sIxbLf10cr1Yc9eFsHsZmeusLdedM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WKhWQ5z7fmHCgSQBm1qUNkmuekFL+Sf3hZOvPYzcvsTZe4X1Ca2f0hBOhA7lpXfeN QdDZBJbtJ0xFNkSO9C+XkJuZGYi3DGyBnVNaFfaayne2spiFUCrLLpSJxaBUk5p0qB eMuHXuAR6Hmt5IYdnFXCcghAhjCFrq6Xjo0Av3Bk= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 0124F60B0D 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 Cc: alex.williamson@redhat.com, mark.rutland@arm.com, rjw@rjwysocki.net, robdclark@gmail.com, linux-pm@vger.kernel.org, freedreno@lists.freedesktop.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 v16 5/5] iommu/arm-smmu: Add support for qcom,smmu-v2 variant Date: Thu, 30 Aug 2018 20:15:41 +0530 Message-Id: <20180830144541.17740-6-vivek.gautam@codeaurora.org> X-Mailer: git-send-email 2.16.1.72.g5be1f00a9a70 In-Reply-To: <20180830144541.17740-1-vivek.gautam@codeaurora.org> References: <20180830144541.17740-1-vivek.gautam@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 166c8c6da24f..411e5ac57c64 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); -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation