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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 4A088C31E44 for ; Tue, 11 Jun 2019 23:32:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1E99221721 for ; Tue, 11 Jun 2019 23:32:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="OWHL9uXM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2408156AbfFKXcM (ORCPT ); Tue, 11 Jun 2019 19:32:12 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:42646 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2408126AbfFKXcM (ORCPT ); Tue, 11 Jun 2019 19:32:12 -0400 Received: by mail-pg1-f195.google.com with SMTP id l19so5215718pgh.9 for ; Tue, 11 Jun 2019 16:32:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version; bh=n4utO1qIjYj4MGuS7hIfGXs+tpiAYsWzBnQD5g4fpBU=; b=OWHL9uXMvXBp4WyP6XbYf8ngdd9BOGYtfKlznowe2eZXC8BTT87VlB0/rYBBnjrDKD pvCvc3dKtXEt2ccEl+5tO3LuvjVUteL52BK0k4m/G6hGBfSyL8JdLtXGCfGhVgHD5/hZ zXTEVipfe5LP1ChUjH+6SDLz2sScHI72x/NfbZmtV1mznhwunG7ogeC3xqpQwsRHsAud Lr6bHi0YxzMX7vIUYMvbbg/Bvcxz7PYvRK3hGd0DnhD285skUhCFS+YNvY6WycsnwuwC SLC69nfTolSPUMIXbkdaINLayG9V2CC1rDYPMC2S1/r0245/ibabd9IxaQCT86cP1u2D irpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=n4utO1qIjYj4MGuS7hIfGXs+tpiAYsWzBnQD5g4fpBU=; b=FTrme1QryGlnQT+H6MosLyypAzpDFHmpt7cMu61cInJDA71ds1NVvqCMZ4ctZn8a2l 9uz9UIHeHzCgMsdHC8aNUpZzhzViZb0hXCtwsolYF5wiycSa43H1Z/thUqT0O3RqURmK yWhFdLS7YpVDBc3FjymS9F3K8VZbwyGIkrIBLt4oAS0NdtGlqn+tnT6vckrE9i6YPVMx 6diHlZeawGABFA77cZEMHw78TlFrA8XUA04dayi3q7m0ap/9hlsR1t27JnmsNiGkRSZu TyV8ERBO2awEbH32gEq0YWEdZKRmKZMruTT1RMJOoR4t5UxRtvK2znatGDgufXLtagM2 XsZg== X-Gm-Message-State: APjAAAUUFRdQ2HKgUjoBAHOHI5joq6ym9jFQgaPNlC2l8UQG47Sry6L/ kN6SxpjGFMmsZjTBC+CvcdOhsQ== X-Google-Smtp-Source: APXvYqwWX/bN3QMS+ZSVHnHRL4KnDn8A/IIaaCNAM7jGCzy6OnJYRwGBmJaNVgi34cIXq1tip8qnTw== X-Received: by 2002:a62:d0:: with SMTP id 199mr51540334pfa.253.1560295931319; Tue, 11 Jun 2019 16:32:11 -0700 (PDT) Received: from localhost (c-71-197-186-152.hsd1.wa.comcast.net. [71.197.186.152]) by smtp.googlemail.com with ESMTPSA id w36sm14250463pgl.62.2019.06.11.16.32.10 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 11 Jun 2019 16:32:10 -0700 (PDT) From: Kevin Hilman To: Martin Blumenstingl , linux-amlogic@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Martin Blumenstingl Subject: Re: [PATCH 0/4] ARM: dts: meson8b: add VDDEE / mali-supply In-Reply-To: <20190525190204.7897-1-martin.blumenstingl@googlemail.com> References: <20190525190204.7897-1-martin.blumenstingl@googlemail.com> Date: Tue, 11 Jun 2019 16:32:10 -0700 Message-ID: <7htvcv3dhh.fsf@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Martin Blumenstingl writes: > EC-100 and Odroid-C1 use a "copy" of the VCCK regulator as "VDDEE" > regulator. VDDEE supplies the Mali GPU and various other bits within > the SoC. > > The VDDEE regulator is not exclusive to the Mali GPU so it must not > change it's voltage. The GPU OPP table has a fixed voltage for all > frequencies of 1.10V. This matches with what u-boot sets on my EC-100 > and Odroid-C1. > > Dependencies: > - compile time: patch #4 depends on my other patch "ARM: meson8b-mxq: > better support for the TRONFY MXQ" from [0] > - runtime: we don't want the kernel to change the output of the VDDEE > regulator to the maximum value. Thus the PWM driver has to be able > to read the PWM period and duty cycle from u-boot. This is supported > with my series called "pwm-meson: cleanups and improvements" from [1] Just FYI... unless I hear otherwise, I'll wait for the PWM cleanups to land before queuing this series. Kevin