From patchwork Thu Jul 20 05:40:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 704867 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 7573BEB64DD for ; Thu, 20 Jul 2023 05:41:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229687AbjGTFlo (ORCPT ); Thu, 20 Jul 2023 01:41:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229517AbjGTFlm (ORCPT ); Thu, 20 Jul 2023 01:41:42 -0400 Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3AF1119A4 for ; Wed, 19 Jul 2023 22:41:37 -0700 (PDT) Received: by mail-pg1-x529.google.com with SMTP id 41be03b00d2f7-53fbf2c42bfso241648a12.3 for ; Wed, 19 Jul 2023 22:41:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1689831696; x=1690436496; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=CX3sPcIP3SsQXddpGgAhiwMO6lb232ip/HjkD9sXmB4=; b=yCVL+jhEN1Oh2sYC6UYeNoQ7XLMkp6OH71WlTC+48hRJ4bropeSJoK9O+cpU1jRuvi M1giWWbGJEKuJUX155tKQTH703KGX/tJj+C1NXQPBUZ/VcyhpRb06ORQzmpUBboXQo2D PZ0GKgg/h/XIYywl1zOO1h/Xgn/qAGGp+clYslNCogqmueF/gzosWwgk8G3D5bLD9vUV u3Y9hYoKlgi2cjpQ8FqWXmx9TiWZbyXq1zMd4CPNQVxq5CQWyuV6PY7XEccwXWXUFcFx cMFSrqNd5dANNVCPABPiaXqZFMGNjsuZfWL82nJfSWdhJP/U4xy/l+UJ5avZj9aEbeZa Eu8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689831697; x=1690436497; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=CX3sPcIP3SsQXddpGgAhiwMO6lb232ip/HjkD9sXmB4=; b=V583pLAgCNmcC4KM4xJAi+csu7wKYaSfTqMjM8RlM4lq3+vT/MD78pl4hn2DUDvE1K /et8G3R0gWDMTIvXQi7DIN4/jp79Sq+YXkFvJscnrj3JLoI402kBZ667l02rf2uOYddb BI7ooLnM292lYVUfCPxiXqdiBzQxNawDs6kfYDYQ4Nvus0y2WXR5IB6m7E2vF5NSAjEl qBMoXwP4F6nsIDcxCIzmljwa+y2jiBPrqdPLV3ag5xwDvazINRpYLys0IbIYoOUMv28S XTpEaxGdVHh2lMyzWYwPtalXlCRM5B4nEJU+o2GCRHrhCEI6avT1e6+2ZasYVTbvLIYb +k7w== X-Gm-Message-State: ABy/qLZGbDP/Y5kvs7Fn0j4kjV/vRYKbEp+seJgfNTgvuehZUiI/cgD7 Lg7w/KKZvwB9JkFY3AuvoeYl X-Google-Smtp-Source: APBJJlGuoiG5jhK0GEKCqWzFf4wpTeZuuwQHb5mHbfI80zig7BA8VTBgaV0Go4XUbyclN4iSOD+dhA== X-Received: by 2002:a17:903:124b:b0:1b8:9225:4367 with SMTP id u11-20020a170903124b00b001b892254367mr6102527plh.65.1689831696656; Wed, 19 Jul 2023 22:41:36 -0700 (PDT) Received: from localhost.localdomain ([117.206.119.70]) by smtp.gmail.com with ESMTPSA id r2-20020a170902be0200b001b85bb5fd77sm263367pls.119.2023.07.19.22.41.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Jul 2023 22:41:36 -0700 (PDT) From: Manivannan Sadhasivam To: vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, andersson@kernel.org, konrad.dybcio@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, jejb@linux.ibm.com, martin.petersen@oracle.com Cc: alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org, linux-scsi@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, quic_asutoshd@quicinc.com, quic_cang@quicinc.com, quic_nitirawa@quicinc.com, quic_narepall@quicinc.com, quic_bhaskarv@quicinc.com, quic_richardp@quicinc.com, quic_nguyenb@quicinc.com, quic_ziqichen@quicinc.com, bmasney@redhat.com, krzysztof.kozlowski@linaro.org, linux-kernel@vger.kernel.org, Rob Herring , Manivannan Sadhasivam Subject: [PATCH v2 01/15] dt-bindings: ufs: common: add OPP table Date: Thu, 20 Jul 2023 11:10:46 +0530 Message-Id: <20230720054100.9940-2-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230720054100.9940-1-manivannan.sadhasivam@linaro.org> References: <20230720054100.9940-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Krzysztof Kozlowski Except scaling UFS and bus clocks, it's necessary to scale also the voltages of regulators or power domain performance state levels. Adding Operating Performance Points table allows to adjust power domain performance state, depending on the UFS clock speed. OPPv2 deprecates previous property limited to clock scaling: freq-table-hz. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Rob Herring Signed-off-by: Manivannan Sadhasivam --- .../devicetree/bindings/ufs/ufs-common.yaml | 34 +++++++++++++++++-- 1 file changed, 31 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Documentation/devicetree/bindings/ufs/ufs-common.yaml index 47a4e9e1a775..d7d2c8a136bb 100644 --- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml +++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml @@ -20,11 +20,24 @@ properties: items: - description: Minimum frequency for given clock in Hz - description: Maximum frequency for given clock in Hz + deprecated: true description: | + Preferred is operating-points-v2. + Array of operating frequencies in Hz stored in the same order - as the clocks property. If this property is not defined or a value in the - array is "0" then it is assumed that the frequency is set by the parent - clock or a fixed rate clock source. + as the clocks property. If either this property or operating-points-v2 is + not defined or a value in the array is "0" then it is assumed that the + frequency is set by the parent clock or a fixed rate clock source. + + operating-points-v2: + description: + Preferred over freq-table-hz. + If present, each OPP must contain array of frequencies stored in the same + order for each clock. If clock frequency in the array is "0" then it is + assumed that the frequency is set by the parent clock or a fixed rate + clock source. + + opp-table: true interrupts: maxItems: 1 @@ -75,8 +88,23 @@ properties: dependencies: freq-table-hz: [ 'clocks' ] + operating-points-v2: [ 'clocks', 'clock-names' ] required: - interrupts +allOf: + - if: + required: + - freq-table-hz + then: + properties: + operating-points-v2: false + - if: + required: + - operating-points-v2 + then: + properties: + freq-table-hz: false + additionalProperties: true