From patchwork Fri Apr 1 14:58:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 12798461 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 D8AEFC433EF for ; Fri, 1 Apr 2022 15:55:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245393AbiDAP4n (ORCPT ); Fri, 1 Apr 2022 11:56:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344622AbiDAPQ7 (ORCPT ); Fri, 1 Apr 2022 11:16:59 -0400 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B4DF5748E for ; Fri, 1 Apr 2022 07:58:29 -0700 (PDT) Received: by mail-wm1-x333.google.com with SMTP id p189so1851943wmp.3 for ; Fri, 01 Apr 2022 07:58:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=yqbLlrGI5hQozEiXWqvYHfniIQNP30Oy/0VrdHfx3iM=; b=V6jnvv6r9YfrqJxCPQR1XE4lXQoRmZhPDn4dIIIzVBExn/Frnd7K88FyQ3Azz/4YCe pb5ofMYAupzvIsopvutp/5h8LqWvqPHviJGWrqON/KjZwQmjwY58XoYOLeIxJMd1daXd igXzQKXqdMtUL5UCNndmU7iBMC2SnoJdqy//ej5rcFNMasoLMR598HrXFn3iMJVjb5fU +76H9dZ62+a6XeB2CAVqEmKGjMiFbpgFyhg9dzu3FM5ETYFde6rBqPxj5/Z5TCFleIqI xeHbP/8+XCwa/zzfdo2rc4NsHQw62BC0VFBMESrd65qg1ichA7hFg7AnStI/h0dbf8El Lg/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=yqbLlrGI5hQozEiXWqvYHfniIQNP30Oy/0VrdHfx3iM=; b=YoWkYoVyjEsprm2ZUAeeM8SFbh+7Q2ptwvjjtOyZ5laBbybd5n6K533tTXjEG36tcq 2rtzaSrMzU7/ZJrIMX+4NF3BEw4tystcwltOkeS2aAVfeUNWUoCv7GYtbM/sVklZn+v+ 7BGSRPBwMCj7OWZ6UP5031XVwkvRbcEgYP2u3onPv/eYccxf9X4h9oDI2xiATTRHW/c8 wAWjwMY2DQMVGZkYlWPaHka6jlcnfVSyQ5abcLQGcFMVOux2zaZmRvWPrha4itX+vpqO c4Sj7utE5tM5FNgN5jc3offwR0ntjmftSKEIOXRVny9dLDqk3WVNIV3hY7I3zjoWIpi5 Codw== X-Gm-Message-State: AOAM531Y69OtvBxw9HjsaszlnBIy6+4izN/2M//58r3R49lHgQrnKcXc UHRh5cWHqUDWzryf9u3mb6rFOcnYenfzDVk4 X-Google-Smtp-Source: ABdhPJxoCjSfUmJbbPFgP2qiKOG3R/tDXS/3ENLP1/9vqNzDjL9anir03X+Nj40T0FEdFVBXe1N2dA== X-Received: by 2002:a1c:f418:0:b0:38e:579a:da73 with SMTP id z24-20020a1cf418000000b0038e579ada73mr2955585wma.197.1648825107790; Fri, 01 Apr 2022 07:58:27 -0700 (PDT) Received: from localhost.localdomain (xdsl-188-155-201-27.adslplus.ch. [188.155.201.27]) by smtp.gmail.com with ESMTPSA id j8-20020a05600c404800b0038cc9c7670bsm8530722wmm.3.2022.04.01.07.58.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Apr 2022 07:58:27 -0700 (PDT) From: Krzysztof Kozlowski To: Bjorn Andersson , Andy Gross , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Alim Akhtar , Avri Altman , "James E.J. Bottomley" , "Martin K. Petersen" , Bean Huo , Bart Van Assche , Srinivas Kandagatla , Taniya Das , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [RFC PATCH 2/4] dt-bindings: ufs: common: allow OPP table Date: Fri, 1 Apr 2022 16:58:18 +0200 Message-Id: <20220401145820.1003826-3-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220401145820.1003826-1-krzysztof.kozlowski@linaro.org> References: <20220401145820.1003826-1-krzysztof.kozlowski@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org 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. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/ufs/ufs-common.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/ufs/ufs-common.yaml b/Documentation/devicetree/bindings/ufs/ufs-common.yaml index 47a4e9e1a775..ce767bfbf05a 100644 --- a/Documentation/devicetree/bindings/ufs/ufs-common.yaml +++ b/Documentation/devicetree/bindings/ufs/ufs-common.yaml @@ -26,6 +26,9 @@ properties: 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: true + opp-table: true + interrupts: maxItems: 1 @@ -75,6 +78,7 @@ properties: dependencies: freq-table-hz: [ 'clocks' ] + operating-points-v2: [ 'freq-table-hz' ] required: - interrupts