From patchwork Thu Oct 12 17:21:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 13419507 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 BB08CCDB47E for ; Thu, 12 Oct 2023 17:22:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379609AbjJLRWJ (ORCPT ); Thu, 12 Oct 2023 13:22:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54394 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379603AbjJLRWH (ORCPT ); Thu, 12 Oct 2023 13:22:07 -0400 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8275E7 for ; Thu, 12 Oct 2023 10:21:51 -0700 (PDT) Received: by mail-pl1-x62a.google.com with SMTP id d9443c01a7336-1c7373cff01so18651575ad.1 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=kqIt6ekkQb9oqltIb1PlbPVVmruCl7rsxRq70IMcQebw7HGwozsP9Re0Qhwu86ylSH r8yMzj7nrbQn66OuAXQa0Fy2qt5SG/h+twMWAjp2SQ/FRaxcQebHVE4E0G+e9t5As00w h0DSPvvTk5M+a5QcIM3AucZ9weKqDIsCrdu2zdZsL4496d8eBbmnybDKI2bYCxQDIF+c FomOouBC/4ZwNsvfY1qcmEkClByBG79L7aCNqhXDAP69XcCHLsYp4k335ozmIfe4ZOZ1 QVfbCa9Kr3FDBHiuE3EflrFpLwHwBodS53YrccYML7ZkNM54kyp/i/l7Hgn0FXHCsxUS oO0w== X-Gm-Message-State: AOJu0YxLanfi18/hwFJsJfdXpNumdSR+HSvelOpbkE8y2z3oM2NptHuP lm1ubx3jkjD7RzZnx0cmDr0I 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 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@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 | 35 +++++++++++++++++-- 1 file changed, 32 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Documentation/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 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: + type: object interrupts: maxItems: 1 @@ -75,8 +89,23 @@ 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