From nobody Tue Dec 16 21:48:38 2025 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 844B5CDB47E for ; Thu, 12 Oct 2023 17:22:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347338AbjJLRWN (ORCPT ); Thu, 12 Oct 2023 13:22:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379618AbjJLRWF (ORCPT ); Thu, 12 Oct 2023 13:22:05 -0400 Received: from mail-pl1-x62b.google.com (mail-pl1-x62b.google.com [IPv6:2607:f8b0:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C81DCE6 for ; Thu, 12 Oct 2023 10:21:51 -0700 (PDT) Received: by mail-pl1-x62b.google.com with SMTP id d9443c01a7336-1c9e06f058bso6770465ad.0 for ; Thu, 12 Oct 2023 10:21:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1697131311; x=1697736111; 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=emz03f3uxdP7Dq6lqeINaZBEdrIm5oTH0vEaEEX0iS4=; b=Jsp8cAqZRfPoQAwyDLvOynGiSaXDUBIpdQIr9Sr23jifeiqV1AVkD9mJr/dTBRlynR KzkeSfRdRsqx6ez3115boHO09wZqYQJuJ67bSH1WWI8g0srt3Vocn1BKnnYToSZ6wJ3F sx6RS8jsItRWx7EXxbgz+qORos3T8PSdZrwGPdI0+A0f4YD1Jp2qe6NOpzAV5+DnlsOr ikwyGtUbcTk4LEZWJb8e8bi+3rnDo3scwgSAoxRNahKhjSYpd1dBfi9POhKNSebJYJhe HO+smd61N3vYZIq7uhoWf3QecIJfMwrzwVDxKMWqV7ynX3zSlVOSp+LO5zmiQaTMOYmX FRYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697131311; x=1697736111; 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=emz03f3uxdP7Dq6lqeINaZBEdrIm5oTH0vEaEEX0iS4=; b=LHUET5mMB3L7/S2po6nq//9/OqAjn+vmHy2NE+YWIbY2Tq4ZfkMI46HnPYvo6z6GkV lf2ENf9+2D39hGTjzW8Sblw3RU22TK/gIkVNwmyBwcSGOTSDmuTRBCFS6GxOMI7OGbhH QMtUB5/DCxJolKqcyv0gh0+7tovDgDbwCBjn0br56YLs39aG4kOrly7mLJz7I6dpxb3B MWh34g8/IWcRYdm7gMOk4aZqefYdpMY9Mv1zFbdmQ13XK0EjEo14PDz4Uha4kRV9WvLc ot2B81mXyaQVLzWKpoi81iAjTf/3Pcme5ZoBfwTqQF8fNXeSmvtV/oxQaib0Nu2fG47t PC1Q== X-Gm-Message-State: AOJu0YxSdOiQMZpYgweBk7IKImqM3zwcIVFQXicSdmKFGZ/n8WkmlN1A ATbMkvnsg5I4fYd3FFdzWHen X-Google-Smtp-Source: AGHT+IEw8ngM9ONqiOY/Lpq6bCfVEQBRoq3XO4ZLXCgxF2MnAul4Mauj/JUwnqv5RWxQLqInE84Psg== X-Received: by 2002:a17:902:e5d1:b0:1c6:362:3553 with SMTP id u17-20020a170902e5d100b001c603623553mr31262262plf.31.1697131311172; Thu, 12 Oct 2023 10:21:51 -0700 (PDT) Received: from localhost.localdomain ([120.138.12.180]) by smtp.gmail.com with ESMTPSA id f9-20020a170902ce8900b001c75a07f62esm2242359plg.34.2023.10.12.10.21.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Oct 2023 10:21:50 -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, alessandro.carminati@gmail.com, Rob Herring , Manivannan Sadhasivam Subject: [PATCH v7 1/5] dt-bindings: ufs: common: add OPP table Date: Thu, 12 Oct 2023 22:51:25 +0530 Message-Id: <20231012172129.65172-2-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231012172129.65172-1-manivannan.sadhasivam@linaro.org> References: <20231012172129.65172-1-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..985ea8f64de8 100644 --- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml +++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml @@ -20,11 +20,25 @@ 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: + type: object =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