From nobody Fri Dec 19 04:01:56 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 ED2A1CDB46E for ; Thu, 12 Oct 2023 05:45:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377224AbjJLFpm (ORCPT ); Thu, 12 Oct 2023 01:45:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235303AbjJLFpi (ORCPT ); Thu, 12 Oct 2023 01:45:38 -0400 Received: from mail-oo1-xc2c.google.com (mail-oo1-xc2c.google.com [IPv6:2607:f8b0:4864:20::c2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1341C4 for ; Wed, 11 Oct 2023 22:45:34 -0700 (PDT) Received: by mail-oo1-xc2c.google.com with SMTP id 006d021491bc7-57bca5b9b0aso328001eaf.3 for ; Wed, 11 Oct 2023 22:45:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1697089534; x=1697694334; 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=cPOboPIuiGULl4ywyZ+vTEQcal+KjFCxEMwe15M2MbtNNriSed1lShRfcXNd79Goer vKpixXkX+1Dw1vvpzyX7zYh0c0fMTR4KTgXyXExgM+D528MdTxjF33+pERUVPYG81D+N CezrrKC0Rm6J/I5E/R9TADosnlXtou/t/157XBl+/l1wAdg4sM9UHR4a0WfLyJvbUzrc SIIe6GxvwQLxDnmBSk/PdPW99pQOth0EbxojzjucdinhR7u7oDMHZEKraKn0ArLNX2/b cV3bhIcKQNwHjLH6kLypQSx81wi1gPb2VWoeaLs8D1sGbuBzcjdK3b7u1d2HrmSd5V61 30EQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697089534; x=1697694334; 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=O7cvYzLu66ajc/mVawDqnpTDESpNaPDYHnYDW+J6SzSlzdqeZJ10kHVyUIyEkuXG0y I4S039solw5K+SUoLrn1N3x4VO1UBuJsMqWHUHuPVRXPZiLgiEwZOGuLa2kF5H4Y0Vbl 6Tr4Cq5rbSgtbOb/+Nwbfm5nZI5ilsB+YJM8bU6Th8IOoER8/9VlQ8gkqvO96dVhWuRP CjGhnSYtf3cILG/vPZQgeca9ACqAxeCSsw7IUV/yogeP3hGfxu1xVp2yXqu5mhMKidYK zlKyuvLlzbPaQSTmMAbIShFAsS7NIjY6F7LPK8FAatpNQUlb+BiReyEtGaLHMx2pYIRt Lh/A== X-Gm-Message-State: AOJu0YxPaPpku0s8WvUHWz7iczKyEvRAgAYg4aj6GPscgIshJBVZkrxD GWwCFiMdgxbSriNasnRkEmrg X-Google-Smtp-Source: AGHT+IEa4ITQ7yK7AB4m1jUONyc64PhUz5xW9XA5u9AoOeAABMbEGbk8OhiCUuiI4hpIBoDJrwXKCg== X-Received: by 2002:a05:6870:2c99:b0:1e9:a741:44f3 with SMTP id oh25-20020a0568702c9900b001e9a74144f3mr2647290oab.14.1697089534033; Wed, 11 Oct 2023 22:45:34 -0700 (PDT) Received: from localhost.localdomain ([120.138.12.180]) by smtp.gmail.com with ESMTPSA id c5-20020a633505000000b0057cb5a780ebsm812396pga.76.2023.10.11.22.45.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Oct 2023 22:45:33 -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 v6 1/5] dt-bindings: ufs: common: add OPP table Date: Thu, 12 Oct 2023 11:15:08 +0530 Message-Id: <20231012054512.10963-2-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231012054512.10963-1-manivannan.sadhasivam@linaro.org> References: <20231012054512.10963-1-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