From patchwork Wed Jul 12 10:31:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 702024 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 0E207EB64DA for ; Wed, 12 Jul 2023 10:32:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230241AbjGLKcw (ORCPT ); Wed, 12 Jul 2023 06:32:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231136AbjGLKcv (ORCPT ); Wed, 12 Jul 2023 06:32:51 -0400 Received: from mail-pf1-x42d.google.com (mail-pf1-x42d.google.com [IPv6:2607:f8b0:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0027A19BC for ; Wed, 12 Jul 2023 03:32:48 -0700 (PDT) Received: by mail-pf1-x42d.google.com with SMTP id d2e1a72fcca58-666eef03ebdso3359516b3a.1 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=ABF4OCdnlqvCi5uTJ6HAPHQ1Dtz9zywzinlfetptqLXmJd9K8byfp1Uw0OhsrFI9h7 SrmbwpY0sdmSo8YqBJzu7RnFWvRrNMlK/K9rTTyFR6N9wOYO7GMVCsi1OOhY1Bb3Dxo+ sgRvgIk7SLx01MgA3hzFzlphYgyHqyXA0j1FXR8txRHTsdj34PvCoY3EY7tz6+6IbZ/W i92gdKek+7dS2n7UWtHB+4uzLyaVd57n84WEZQp71LnfEcfVmryrxjgCm+oDW/aZNptM BoHB8ETrN8o1KMOYstJ+HGX6T/x026OGMXBPlI+65vQoI6E29MDpeh5A+GsxEHtbK3HX jLjA== X-Gm-Message-State: ABy/qLamrXhd4tBm3/Mx7edmJX4x9gK/WCen3I6CCGg4fAfN5Zewh+Lf 7CB+7CjhojUxqddAZUwJhRNn 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 Precedence: bulk List-ID: X-Mailing-List: devicetree@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 | 34 +++++++++++++++++-- 1 file changed, 31 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Documentation/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 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: true interrupts: maxItems: 1 @@ -75,8 +88,23 @@ 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