From nobody Tue Feb 10 12:42:43 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 21CDAEB64DD for ; Wed, 12 Jul 2023 10:32:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231221AbjGLKcy (ORCPT ); Wed, 12 Jul 2023 06:32:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230399AbjGLKcu (ORCPT ); Wed, 12 Jul 2023 06:32:50 -0400 Received: from mail-pf1-x42e.google.com (mail-pf1-x42e.google.com [IPv6:2607:f8b0:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 001C419BA for ; Wed, 12 Jul 2023 03:32:48 -0700 (PDT) Received: by mail-pf1-x42e.google.com with SMTP id d2e1a72fcca58-666e916b880so3355907b3a.2 for ; Wed, 12 Jul 2023 03:32:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1689157968; x=1691749968; 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=qh1XH2H11hbRM2loke+McRt7SGzXL86I9UYN9xvybsQGDm4LCeE92f0C2xHGE42mNH AAGiSzs03zFWGFGjqDAz1sGXbjhiw0KuQOvWZvgW8E/9ypcJ3Ydi5qgOfKqwBAD/NVnX AhAfiArcTs6rq+NwvUUkQgq9E5iq9P7nfyTp0ESmzemmK7wyqQRQWodCS7e+o1T9CtbI 9WLpXFL2dr6s2fD3orGUgmW+hcQOj9zfhsz75Mzj36bwr3OJQRZ65c0jZkfopMJK1wjw NH7RiDaSo914lzTltHRDr3/KWtLBW73b1dbjSt8RcigxSqAlD+AhcGEBgsVmupw16+Jr 5Rdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689157968; x=1691749968; 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=Ymwxz4z+Xae22St9VJEdMLaTgyQ8bFGn+T8c+zJegfkbimSUwRY4oSqnfWpT0VEkzY MbFp6WcxBz6pv0pL6XV6Ib9EXDkjQrW/Y5Efel2IO66eLgsFKiB+ZYWlKdxtxofuAXGf R46QmNltkYFpkvsmLoPRd7wxGx0tZNKNHSHCQ5wRjNu6uR32wmgsTf+4O85AgEfYUaRO ssQkrpjDSBAgMa2GjscdUwHtvFpQ84ncnaHrIhkOo4Jh+ROjIvEXDT2u+NY1LtgxKIP5 mMJy1HqZXBE62mzZVt0J2hC9cCrIOQBoEdEJqAlCeR0nlJFbs8MH2JhtsuD758WgWoqH TbOg== X-Gm-Message-State: ABy/qLap8wvVjHTqqrtxUeNqH6FipN5MbQjvzwwZJJrfm61SOP3/O/hR bMUfQBqqjGAV5JnWIgkYxXxxv8hZHf2KF7BGCQ== X-Google-Smtp-Source: APBJJlEOXh0MzHhIo8EFeSoTCYHGm4yUeMq0cr6ZyBaBjHYFPrnatL0aJWrLNVbyWoNQtjF1WqUxBw== X-Received: by 2002:a05:6a21:6da0:b0:127:76ab:a707 with SMTP id wl32-20020a056a216da000b0012776aba707mr16402366pzb.30.1689157968245; Wed, 12 Jul 2023 03:32:48 -0700 (PDT) Received: from localhost.localdomain ([117.207.27.131]) by smtp.gmail.com with ESMTPSA id k15-20020aa790cf000000b00666b3706be6sm3247860pfk.107.2023.07.12.03.32.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Jul 2023 03:32:47 -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 Cc: linux-pm@vger.kernel.org, linux-kernel@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, Rob Herring , Manivannan Sadhasivam Subject: [PATCH 01/14] dt-bindings: ufs: common: add OPP table Date: Wed, 12 Jul 2023 16:01:56 +0530 Message-Id: <20230712103213.101770-2-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230712103213.101770-1-manivannan.sadhasivam@linaro.org> References: <20230712103213.101770-1-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 | 34 +++++++++++++++++-- 1 file changed, 31 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Docume= ntation/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 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 +88,23 @@ 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