From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B903C12002 for ; Fri, 16 Jul 2021 19:39:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 32B8C61001 for ; Fri, 16 Jul 2021 19:39:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232915AbhGPTmN (ORCPT ); Fri, 16 Jul 2021 15:42:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232849AbhGPTmM (ORCPT ); Fri, 16 Jul 2021 15:42:12 -0400 Received: from mail-oi1-x229.google.com (mail-oi1-x229.google.com [IPv6:2607:f8b0:4864:20::229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6FABCC061764 for ; Fri, 16 Jul 2021 12:39:17 -0700 (PDT) Received: by mail-oi1-x229.google.com with SMTP id p67so12199481oig.2 for ; Fri, 16 Jul 2021 12:39:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:in-reply-to:references:from:user-agent:date:message-id :subject:to:cc; bh=fv7DMd/gditUGd89KsZv6kzGs+OqmSKrVvU2f7TJ2+4=; b=Mpr02/1AW3f18Bb7yv3Nx1eLLmiLG8qlYaDWjqSEtb94u3VXNqZpJIFPZF5AZAYrv4 euboawnbYOrMxF3OPRs0jHyxBRjazEdcT3+6u/3TkizPZagpBwGvU/SFpzT/UwWPaIg7 C7Tsk1W2jc5M2wXUoEfxlsxOCYO4QqPm0KNzw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from :user-agent:date:message-id:subject:to:cc; bh=fv7DMd/gditUGd89KsZv6kzGs+OqmSKrVvU2f7TJ2+4=; b=DeOmmXey000Y8UseNdNckggU/LJQxyMMVJZmTUVMsmKrUC4XoSge6pC15rxNZAZ1RB OSluZqE7bySYCf7xWBQOwEZO+lHgIX0/kwKqCwQpVuIZAaqtn1JP60bGnkIzWLQ9KFfo P7lqJnEYUvj8I+gtTtINVfGhGCxRFLrkeqCl3ZL6uf5hcvFWg2z8smT2+T2iak8RKbrh bCi2wzPzxAE2TkfYnLqFWp0Aeva+dx2q7iep3cYYjQD/xgbbpC1MGKB4bSELt0Z4aFnj K/zX/hyvuUnifrBaPv0sZYiSO0cs4tGrusbFcxkyLjkJe5N/GvKv9dKNaxMi0L6VJpJE 7YQQ== X-Gm-Message-State: AOAM53344riVrSf4WlQw/+v4Q+fhanWnR7+wdIOHaqABIiHf6lYvdmLf RsRpOsLU8z6C8/jGa3me1RDbTUW4Kc4HYljgKVYWjA== X-Google-Smtp-Source: ABdhPJycyfU2OpnyY8fwekR9OEhg1REuKFzJyJ9WFoqtk/B5zwwVo35Tvga6/Erqr4MKZV48CnYi9IgxHuWqdIpFqW0= X-Received: by 2002:aca:7545:: with SMTP id q66mr9245579oic.19.1626464356697; Fri, 16 Jul 2021 12:39:16 -0700 (PDT) Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Fri, 16 Jul 2021 21:39:16 +0200 MIME-Version: 1.0 In-Reply-To: <1626429658-18961-3-git-send-email-rnayak@codeaurora.org> References: <1626429658-18961-1-git-send-email-rnayak@codeaurora.org> <1626429658-18961-3-git-send-email-rnayak@codeaurora.org> From: Stephen Boyd User-Agent: alot/0.9.1 Date: Fri, 16 Jul 2021 21:39:16 +0200 Message-ID: Subject: Re: [PATCH v4 2/2] arm64: dts: sc7180: Add required-opps for i2c To: Rajendra Nayak , bjorn.andersson@linaro.org, ulf.hansson@linaro.org, viresh.kumar@linaro.org Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, rojay@codeaurora.org, stephan@gerhold.net Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Rajendra Nayak (2021-07-16 03:00:58) > qup-i2c devices on sc7180 are clocked with a fixed clock (19.2 MHz) > Though qup-i2c does not support DVFS, it still needs to vote for a > performance state on 'CX' to satisfy the 19.2 Mhz clock frequency > requirement. > > Use 'required-opps' to pass this information from > device tree, and also add the power-domains property to specify > the CX power-domain. > > Signed-off-by: Rajendra Nayak > --- Reviewed-by: Stephen Boyd