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=-8.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 578A6C04EB8 for ; Wed, 5 Dec 2018 03:06:23 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 08D8120661 for ; Wed, 5 Dec 2018 03:06:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UenvsiE0"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="pbImOOjm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 08D8120661 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RC2un0/q9b9v0HavZLEb+gYvedwzEtK6su18v2VV52A=; b=UenvsiE0YpjZPMMs9wWSo+zU4 8bEWdBzuigU7GG1vArmq6KGMz+tRCaEAB9eeb+9HI48oECd5Wy0VDdBnEelEt7ua4f5ilbqyvILGB YvTkQKUmRnq1Mxs3fl0u5U924Kp+8cniIAm7P5PPx1TMYYRcLRUx/FW7kQ6WOcVzi+Nq4oKsvqdrD SY8BzTiCzV5gBR8DtPCPq8Bw7SuwFHZBgCWXJuPHWN+jEozxf2F2DwKF1UWeRPgn5xpVXPWhZ+Izs CA3QUkLUw33INMrRudrfkG7j3sUBaCVV7qS+B1BfpUqgdToqlr/w+aGob/CRkn4B2sEH+jIImkkOA tsfSxCC4Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gUNVy-0007u9-8t; Wed, 05 Dec 2018 03:06:18 +0000 Received: from hqemgate15.nvidia.com ([216.228.121.64]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gUNVv-0007ta-36 for linux-arm-kernel@lists.infradead.org; Wed, 05 Dec 2018 03:06:16 +0000 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 04 Dec 2018 19:05:58 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 04 Dec 2018 19:06:02 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 04 Dec 2018 19:06:02 -0800 Received: from [10.19.108.132] (10.124.1.5) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 5 Dec 2018 03:06:00 +0000 Subject: Re: [PATCH 03/19] dt-bindings: cpufreq: tegra124: remove vdd-cpu-supply from required properties To: Peter De Schrijver References: <20181204092548.3038-1-josephl@nvidia.com> <20181204092548.3038-4-josephl@nvidia.com> <20181204153600.GA26056@pdeschrijver-desktop.Nvidia.com> From: Joseph Lo Message-ID: <3a6f4512-db3f-4cba-21da-572edf14c5dc@nvidia.com> Date: Wed, 5 Dec 2018 11:05:58 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20181204153600.GA26056@pdeschrijver-desktop.Nvidia.com> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL101.nvidia.com (172.20.187.10) To HQMAIL101.nvidia.com (172.20.187.10) Content-Language: en-US DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1543979158; bh=u7qvTh5hLw/pcLQZUU8RdA9Io6oupy5SV9sK1rGzzbU=; h=X-PGP-Universal:Subject:To:CC:References:From:Message-ID:Date: User-Agent:MIME-Version:In-Reply-To:X-Originating-IP: X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=pbImOOjmcu/J+mYWbfBjfNjQLWF1acKu79fqFAdigfRyHQ/KgZGCdNlBas6rPfMhy lZPXe+FuW7hGZdQtW6CUpizBYJ5mCFyGhrhk923xOMSDWaEO/1IOKBfUVDqHYxIKZC P7fiMCEN+N/RWpRn3YSylw2A00t04LCUrybaHIVjKgu9i17CTqhrz/o5atXt9weWIh 4KprPr9ATJZSUAc+730ImC91EaNyCeGCOmSVJ0lEy8KsuyWAtcg4a7iD6gIAfPqk63 9SjGuryFTcLHlIr+fDH8zJOEJOM3vHKUx/Ne4wUd1tvRKJB3jqw2sumF2CECFFJ03V 5kUlJWCI0xZqA== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181204_190615_148359_39605076 X-CRM114-Status: GOOD ( 15.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jonathan Hunter , Thierry Reding , linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 12/4/18 11:36 PM, Peter De Schrijver wrote: > On Tue, Dec 04, 2018 at 05:25:32PM +0800, Joseph Lo wrote: >> The Tegra124 cpufreq driver works only with DFLL clock, which is a >> hardware-based frequency/voltage controller. The driver doesn't need to >> control the regulator itself. Hence remove that. >> > > I think this is required for DFLL controlled I2C regulators because the > regulator is queried for voltage selectors and I2C slave ID? > Hi Peter, Yes, it's required for DFLL-I2C mode and defined in DFLL node. It's not needed here in the CPU node for CPU freq driver to handle that. Hence remove that. Thanks, Joseph > >> Cc: devicetree@vger.kernel.org >> Signed-off-by: Joseph Lo >> --- >> .../devicetree/bindings/cpufreq/nvidia,tegra124-cpufreq.txt | 2 -- >> 1 file changed, 2 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/cpufreq/nvidia,tegra124-cpufreq.txt b/Documentation/devicetree/bindings/cpufreq/nvidia,tegra124-cpufreq.txt >> index b1669fbfb740..031545a29caf 100644 >> --- a/Documentation/devicetree/bindings/cpufreq/nvidia,tegra124-cpufreq.txt >> +++ b/Documentation/devicetree/bindings/cpufreq/nvidia,tegra124-cpufreq.txt >> @@ -13,7 +13,6 @@ Required properties: >> - pll_x: Fast PLL clocksource. >> - pll_p: Auxiliary PLL used during fast PLL rate changes. >> - dfll: Fast DFLL clocksource that also automatically scales CPU voltage. >> -- vdd-cpu-supply: Regulator for CPU voltage >> >> Optional properties: >> - clock-latency: Specify the possible maximum transition latency for clock, >> @@ -37,7 +36,6 @@ cpus { >> <&dfll>; >> clock-names = "cpu_g", "cpu_lp", "pll_x", "pll_p", "dfll"; >> clock-latency = <300000>; >> - vdd-cpu-supply: <&vdd_cpu>; >> }; >> >> <...> >> -- >> 2.19.2 >> _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel