From patchwork Thu Oct 12 05:45:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 13418349 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 6059FCDB482 for ; Thu, 12 Oct 2023 05:45:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233879AbjJLFpi (ORCPT ); Thu, 12 Oct 2023 01:45:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235294AbjJLFpi (ORCPT ); Thu, 12 Oct 2023 01:45:38 -0400 Received: from mail-oo1-xc36.google.com (mail-oo1-xc36.google.com [IPv6:2607:f8b0:4864:20::c36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE2AEB8 for ; Wed, 11 Oct 2023 22:45:34 -0700 (PDT) Received: by mail-oo1-xc36.google.com with SMTP id 006d021491bc7-57b8cebf57dso337573eaf.0 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=kyI4Vae8+ne24VmSl0cDL8ztTZ6gxzXA7Zt4eDIrqEFAIxRIISdMsZYrtZIzKU/rcV xG6Sq0pvIcwEn/xfiqQf/ugOw01hYryjK6SB83FgIYXajdvIjcOt1Fuh3GnlDHe1WKcn qMOo2zMtpP4K+2VrnT4/Jfxk1T/gWmTEJfI1G3H0MR3ArG1usVjESFqsF9TG7ZazIvQM agKcd6TL8o1HuVIl1f0GK8j3IrezWlPbS6QF7lezLU/hxDu4lOQ/7HnwjSFtdO9kX2n6 9lMShIL+uocMjN9M36d+QzHopH2cXYi8Sx8DpGuatrUjizkpNM7pPvS2rpfFbdxWZC0+ ZWYw== X-Gm-Message-State: AOJu0YznBOXJziYBKPr6gmtBgT5XErIkx11hHqW//FpCqTicWpyIgS45 2wMk4s/YhzdGEbCCYZWzVAf7f3/zcNpzE5d7jQ== 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 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