From patchwork Tue Jun 27 16:24:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 697884 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B41FEB64DC for ; Tue, 27 Jun 2023 16:25:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232396AbjF0QZ0 (ORCPT ); Tue, 27 Jun 2023 12:25:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232281AbjF0QY6 (ORCPT ); Tue, 27 Jun 2023 12:24:58 -0400 Received: from mail-lf1-x12d.google.com (mail-lf1-x12d.google.com [IPv6:2a00:1450:4864:20::12d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4BAA30FF for ; Tue, 27 Jun 2023 09:24:56 -0700 (PDT) Received: by mail-lf1-x12d.google.com with SMTP id 2adb3069b0e04-4f122ff663eso6559696e87.2 for ; Tue, 27 Jun 2023 09:24:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1687883095; x=1690475095; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=xPNg5vny77tvK7IJAfh5JkOu6WowF9wjESyOAY+a1Tg=; b=wT4UzEMp3D2z+CEciSOj2hOqJZY5IsO6ESwlLi6JpPKPVleeLPbEYQowD4j6ugDDWT Xsekoq3dAMFIe2qSha7QD5qXwQK7uvTB6BiLhhzYloSKH2DUuxfYiK6ynHQf2ri1d2c1 Yia2iEKdlcVgPDQx2b9Z8S09tPtYnMMz4koijj0kOEogFOMnrkkPJthflCOJDrz34rZ5 VwnYMEmbL3YNE8ElBGdgiBCOyXavqYtRbS4Z6W3D5oGCPCTo//ykefDkMq0NfHPVL3Zs /WmtNQzYvKoXfJ6zYDHEJ1lCyAJ49i1gWKSv1N2fqbVfHVreFhWFLTVqIFYR6dTTqWOv B+hQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687883095; x=1690475095; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=xPNg5vny77tvK7IJAfh5JkOu6WowF9wjESyOAY+a1Tg=; b=JrhjxFtsnCtrryx0TunJ9zjkyeJ/VfDC/0q4EWIMnOj87PuzgVkewbaAKUcyu9En4k BrdTqrOYBpXNxSk7KEoosxq/PKY8301sjZlYH0zRbCJJ0pu1LNWAChOpfXWmPsuXc5Lx V7NDR5p6/BoANzakh3sHsc96qEJ44N+QrHX6x7lp829kgI/Kybb47k5rBRHQzeeWtHQq nLsWkHCYKxc2dsxDray0O94wDOXXMwSpi0iEqpJpv+WrU+hK9hufx22DrcHMlkn4ZVVd sPK4ksEMS9HfKsqR8KSuoF9V0u443R4/lOstbCFUpdj95AH5uPlFZW1r//4A0WLDlAc1 8sQA== X-Gm-Message-State: AC+VfDxTLAWzAhlkvRLFnoHiCRriJi4AfqHvl2OIy0Ujbystx3Sica5k tsvP+fTgKBDk2oNwsZQ+gvVo/g== X-Google-Smtp-Source: ACHHUZ5//rTUoalDl1QqK0Ki39B5TbO1+DYtkIbMhpfMKaAAAhwU2SHZDezjmb3zz2NxqSeNX+6TzQ== X-Received: by 2002:a05:6512:2824:b0:4fb:7888:7e6d with SMTP id cf36-20020a056512282400b004fb78887e6dmr4544050lfb.46.1687883095019; Tue, 27 Jun 2023 09:24:55 -0700 (PDT) Received: from [192.168.1.101] (abxj103.neoplus.adsl.tpnet.pl. [83.9.3.103]) by smtp.gmail.com with ESMTPSA id g7-20020a19ac07000000b004fb259a5589sm1190508lfc.104.2023.06.27.09.24.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jun 2023 09:24:54 -0700 (PDT) From: Konrad Dybcio Date: Tue, 27 Jun 2023 18:24:23 +0200 Subject: [PATCH 07/11] dt-bindings: iommu: qcom_iommu: Allow 'tbu' clock MIME-Version: 1.0 Message-Id: <20230627-topic-more_bindings-v1-7-6b4b6cd081e5@linaro.org> References: <20230627-topic-more_bindings-v1-0-6b4b6cd081e5@linaro.org> In-Reply-To: <20230627-topic-more_bindings-v1-0-6b4b6cd081e5@linaro.org> To: cros-qcom-dts-watchers@chromium.org, Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dmitry Baryshkov , Benjamin Li , James Willcox , Joseph Gates , Stephan Gerhold , Zac Crosby , Srinivas Kandagatla , Banajit Goswami , Liam Girdwood , Mark Brown , Lee Jones , Stephen Boyd , Joerg Roedel , Will Deacon , Robin Murphy , Greg Kroah-Hartman , Xu Yang , Peng Fan , Christian Marangi , Wesley Cheng , Jun Nie , Max Chen , Shawn Guo , Vivek Gautam Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Vincent Knecht , Bryan O'Donoghue , Konrad Dybcio , alsa-devel@alsa-project.org, iommu@lists.linux.dev, linux-usb@vger.kernel.org, Krzysztof Kozlowski , Leo Yan , Rob Herring , Andy Gross , Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1687883074; l=1161; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=dxmGowAABZGGJvN38BvE9OivxrhsE/2mFCf47Qi+lvI=; b=wzz2xUcbFtxUiSi4ThrPFbDIaElQBro5YtXx/lBo+PD1GGVfkejB8EYDpam4TZsF1HGcnDTRP unvzC8nqkCDCKapltiz8/h5Mv3Va5gUnt0oPVF9FgChKOoZXy8L9VnG X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Some IOMMUs on some platforms (there doesn't seem to be a good denominator for this) require the presence of a third clock, specifically for accessing the IOMMU's Translation Buffer Unit (TBU). Allow it. Signed-off-by: Konrad Dybcio --- Documentation/devicetree/bindings/iommu/qcom,iommu.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml index d9fabdf930d9..3b7acb459f8e 100644 --- a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml +++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml @@ -24,14 +24,18 @@ properties: - const: qcom,msm-iommu-v1 clocks: + minItems: 2 items: - description: Clock required for IOMMU register group access - description: Clock required for underlying bus access + - description: Clock required for Translation Buffer Unit access clock-names: + minItems: 2 items: - const: iface - const: bus + - const: tbu power-domains: maxItems: 1