From nobody Fri Jan 2 14:13:22 2026 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 F025CCD6E62 for ; Wed, 11 Oct 2023 12:26:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232142AbjJKM0X (ORCPT ); Wed, 11 Oct 2023 08:26:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234838AbjJKM0Q (ORCPT ); Wed, 11 Oct 2023 08:26:16 -0400 Received: from mail-oi1-x22d.google.com (mail-oi1-x22d.google.com [IPv6:2607:f8b0:4864:20::22d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0D7098 for ; Wed, 11 Oct 2023 05:26:12 -0700 (PDT) Received: by mail-oi1-x22d.google.com with SMTP id 5614622812f47-3af957bd7e9so4622012b6e.3 for ; Wed, 11 Oct 2023 05:26:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1697027172; x=1697631972; darn=vger.kernel.org; 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=ajLtfok9CWqCwja1uJsqZOOGL/HNBxULXlTNnK81mjM=; b=FAUGLiu8I5xzzmo+/uGIknBc1/UyuEqH1/WopQm8Wj685g/p0wmWDMMk5CKKKFLhkq ZTHm59YDVYGka2FQUkYq9WGLsH357nslEHwzjjjYhx9OkZ492zMyHZVAR3r2onZQCFui x074uM/n0atlQap8/lM4J2Jry+5id+S1O9hJ12vMrDq8QfAXPH8A6kqG8II0eV3YG55B GnOOqaUEOGdVSsvC/EgeaUgvYaHeEg3LwMiybgrxD2vtrmjHYEldhsMnkVDHCnS+gW/Q YVfvSkOO/rPlj89BVUevoodDF9bjLW1O2YMuN6qygeEaU969Wq9fMf0V9umIqYqUg1eF 4lDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697027172; x=1697631972; 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=ajLtfok9CWqCwja1uJsqZOOGL/HNBxULXlTNnK81mjM=; b=oXP/ZKA1G9uoMCo294ApR6xf8R6f9Rgb+dtDG3daW+UcAOhBycClezsXSr+aLaDEkk ab+Vtzs9jRoXPnBCF73nc6I6+Zkt/P1aSWi63mX3ly1+bK0ZlQF98miuHgNxRRQQu5b9 s9qU+dypMv+7XlCKr1RVcZKcSzfItaEW+yVrHsBZz6hv5Kb0o6XUvR2eqIeutntQ1FQZ Eg3GFYpKkj1eqlm7449p3qeiSjijOQCwiOMXMBAdD4l7dsnULfySTsZotGThOpaOhjhm ZChTBUnDQu40ykBQyBcVjKgQ7dQZlq9rB/dlH+PHpwvhhW1neF6jZI/gML0/bk8wY/q3 E2HA== X-Gm-Message-State: AOJu0YzZVftry0C5iQcn8NSSYhhovuY5bNRqd11mbq2HZMPF8UT4MIhc SRQlvJbYN92CxsGuZinueoHN X-Google-Smtp-Source: AGHT+IGBhTb9lrUeO8oz/kYG3VT7kbp6AST3wqkX7dtoOpiNSSUjATNnt22wzJ9hL604HZpdoArbeg== X-Received: by 2002:a05:6358:919a:b0:143:5826:dece with SMTP id j26-20020a056358919a00b001435826decemr21895407rwa.25.1697027171716; Wed, 11 Oct 2023 05:26:11 -0700 (PDT) Received: from localhost.localdomain ([120.138.12.180]) by smtp.gmail.com with ESMTPSA id a19-20020aa78653000000b0068fb8080939sm9953620pfo.65.2023.10.11.05.26.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Oct 2023 05:26:11 -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 v5 1/5] dt-bindings: ufs: common: add OPP table Date: Wed, 11 Oct 2023 17:55:39 +0530 Message-Id: <20231011122543.11922-2-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231011122543.11922-1-manivannan.sadhasivam@linaro.org> References: <20231011122543.11922-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 | 35 +++++++++++++++++-- 1 file changed, 32 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Docume= ntation/devicetree/bindings/ufs/ufs-common.yaml index bbaee4f5f7b2..1cb022cdc349 100644 --- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml +++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml @@ -6,6 +6,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# =20 title: Common properties for Universal Flash Storage (UFS) Host Controllers =20 + maintainers: - Alim Akhtar - Avri Altman @@ -20,11 +21,24 @@ 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 or= der - as the clocks property. If this property is not defined or a value i= n the - array is "0" then it is assumed that the frequency is set by the par= ent - 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 t= he + 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 i= t is + assumed that the frequency is set by the parent clock or a fixed rate + clock source. + + opp-table: true =20 interrupts: maxItems: 1 @@ -75,8 +89,23 @@ properties: =20 dependencies: freq-table-hz: [ clocks ] + operating-points-v2: [ clocks, clock-names ] =20 required: - interrupts =20 +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 --=20 2.25.1