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=-9.0 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,USER_AGENT_GIT 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 5BFF9C43381 for ; Fri, 22 Mar 2019 13:31:59 +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 283B02083D for ; Fri, 22 Mar 2019 13:31:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="IUmO7KrI"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="QugRlEE/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 283B02083D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bgdev.pl 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-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=h5py3QYyUPkvsatRj0oRYEApvH/FaDmo7vaxGAmFhsg=; b=IUmO7KrIxB8ikv r7lhAaW3ifaA4ulG4EmK5eRFG2XV464e+Me84K+LuNNTvr7q98KDmKC21ymLKNDzyM7JwpPYOeFi5 hR039pGZ8yZIyI09ecZrejeNY7lvuOpLaQhMVCnxNQi5bGV1SWbv2xCFcvpPQFh70NiMrMt1G/NvA ZVfloAu3EI9JJ+DdBuKTXbAAxNEI7/gky/EQYUCyChgh9B7KbdV+qqJj/meCPPynDKnFEAjK1X6fi uvmBMRSVubZbrpUhJ8snwN4i2IChKs5Qx9i28jsnmlnWHeDfe0j3oX5BFV2QkXVfNXCxYU0r6UERa LQ8RxYqq+xG7IswCWGhw==; 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 1h7KH4-00020e-Nc; Fri, 22 Mar 2019 13:31:54 +0000 Received: from mail-wr1-x441.google.com ([2a00:1450:4864:20::441]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h7KGP-0001J0-Re for linux-arm-kernel@lists.infradead.org; Fri, 22 Mar 2019 13:31:16 +0000 Received: by mail-wr1-x441.google.com with SMTP id y13so2393779wrd.3 for ; Fri, 22 Mar 2019 06:31:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=jfIovEfHpCgqOEUBk/fq2zpws17rw5wQZ1jxN4cAsMA=; b=QugRlEE//kMhL72IXnfJGGv/Wr7S7/VXNDSEUB/8jXK1n02IGjO59LEOjt2fYt57mz uj9gBB0m19brSCMbJRs/mtVLOi5SplAzV7oITYsImYIBBfZlajHOzMLG2vbTkaX2Pz6A z0eM2T7ZpJ0lI4iv7rBFwZ47pigAuilB6/WVlBuHKARjS+PxpUi/jure+l3qnWlhjzpw bQoIOXy9iB+Qezp3nMUo2AhJKOOzSOD9YH837m7z/gucfiodNXUSb2J/6CIg3EtvrhN8 nMnymdhjOwBoGxA8GMtZV3m4oEVcP2oAHiMrVVgeamszceqbUwtTr8gKvgx5A8zhcLey CclQ== 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:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=jfIovEfHpCgqOEUBk/fq2zpws17rw5wQZ1jxN4cAsMA=; b=d4F6k41LrmaJDLACP4tNHIBc5+vcs/v/zvZC6i2YwJgVN28KT3Pas+PoMPMtXezki/ Di87ICNEmZN4z2Z9tytkt3FsC6PZNqddoPUdDkiV12+Exy8AnylCNevLCfwTQghkSPxe BoGPYMmLn+3vq+jZIq/lAPOmTXKxi+cbw29aH51f84C+LpAcwVpyLfJ1uzX4EFxEzelQ ncWf1b98Fc3Z8lK58ERFv5P60ddo8cvD+TBRiYR54u0Y7mdPY/CyEnupAdF7cP5uR1S8 aAQjNmLDj2gbktTOsO/NkDu/Ji6ZDclkULQv1jU5KBZsMu9i/OBl3UNt4OwSlHER8xrv 4pxw== X-Gm-Message-State: APjAAAWOtrHRaPSxOZ3Po2m5JgnKwTsSZyapcEjg/EvY8CgjcA5TuLkO 237j7GYvetxqNhRpCrIREf6W/Q== X-Google-Smtp-Source: APXvYqxY/3qLIBFz783Tddg8txhgtuhzK0gsifLBV/EJYDgmYeaV8/AR2IxiA0hdJRBloiAttm/33Q== X-Received: by 2002:adf:e591:: with SMTP id l17mr5773548wrm.238.1553261471784; Fri, 22 Mar 2019 06:31:11 -0700 (PDT) Received: from debian-brgl.home ([2a01:cb1d:af:5b00:6d6c:8493:1ab5:dad7]) by smtp.gmail.com with ESMTPSA id o15sm4684345wrj.59.2019.03.22.06.31.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 22 Mar 2019 06:31:11 -0700 (PDT) From: Bartosz Golaszewski To: Sekhar Nori , Kevin Hilman , Rob Herring , Mark Rutland , David Lechner Subject: [PATCH v2 2/4] ARM: dts: da850: add cpu node and operating points to DT Date: Fri, 22 Mar 2019 14:31:03 +0100 Message-Id: <20190322133105.5945-3-brgl@bgdev.pl> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190322133105.5945-1-brgl@bgdev.pl> References: <20190322133105.5945-1-brgl@bgdev.pl> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190322_063114_014764_D2C2F44F X-CRM114-Status: GOOD ( 14.97 ) 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, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Bartosz Golaszewski Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: David Lechner This adds a cpu node and operating points to the common da850.dtsi file. Additionally, a regulator is added to the LEGO EV3 board along with some board-specific CPU configuration. Regulators need to be hooked up on other boards to get them working. Signed-off-by: David Lechner Signed-off-by: Bartosz Golaszewski --- arch/arm/boot/dts/da850-lcdk.dts | 31 +++++++++++++++ arch/arm/boot/dts/da850-lego-ev3.dts | 30 +++++++++++++++ arch/arm/boot/dts/da850.dtsi | 56 ++++++++++++++++++++++++++++ 3 files changed, 117 insertions(+) diff --git a/arch/arm/boot/dts/da850-lcdk.dts b/arch/arm/boot/dts/da850-lcdk.dts index 26f453dc8370..f29ed9010812 100644 --- a/arch/arm/boot/dts/da850-lcdk.dts +++ b/arch/arm/boot/dts/da850-lcdk.dts @@ -155,12 +155,43 @@ }; }; }; + + cvdd: regulator0 { + compatible = "regulator-fixed"; + regulator-name = "cvdd"; + regulator-min-microvolt = <1300000>; + regulator-max-microvolt = <1300000>; + regulator-always-on; + regulator-boot-on; + }; }; &ref_clk { clock-frequency = <24000000>; }; +&cpu { + cpu-supply = <&cvdd>; +}; + +/* LCDK has a fixed CVDD of 1.3V, so only op points >= 300MHz are valid */ + +&opp_100 { + status = "disabled"; +}; + +&opp_200 { + status = "disabled"; +}; + +&opp_375 { + status = "okay"; +}; + +&opp_456 { + status = "okay"; +}; + &pmx_core { status = "okay"; diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts index 66fcadf0ba91..553717f84483 100644 --- a/arch/arm/boot/dts/da850-lego-ev3.dts +++ b/arch/arm/boot/dts/da850-lego-ev3.dts @@ -125,6 +125,15 @@ amp-supply = <&>; }; + cvdd: regulator0 { + compatible = "regulator-fixed"; + regulator-name = "cvdd"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-boot-on; + }; + /* * This is a 5V current limiting regulator that is shared by USB, * the sensor (input) ports, the motor (output) ports and the A/DC. @@ -204,6 +213,27 @@ clock-frequency = <24000000>; }; +&cpu { + cpu-supply = <&cvdd>; +}; + +/* since we have a fixed regulator, we can't run at these points */ +&opp_100 { + status = "disabled"; +}; + +&opp_200 { + status = "disabled"; +}; + +/* + * The SoC is actually the 456MHz version, but because of the fixed regulator + * This is the fastest we can go. + */ +&opp_375 { + status = "okay"; +}; + &pmx_core { status = "okay"; diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi index 559659b399d0..ee61d1253b58 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -20,6 +20,62 @@ reg = <0xc0000000 0x0>; }; + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu: cpu@0 { + compatible = "arm,arm926ej-s"; + device_type = "cpu"; + reg = <0>; + clocks = <&psc0 14>; + operating-points-v2 = <&opp_table>; + }; + }; + + opp_table: opp-table { + compatible = "operating-points-v2"; + + opp_100: opp100-100000000 { + opp-hz = /bits/ 64 <100000000>; + opp-microvolt = <1000000 950000 1050000>; + }; + + opp_200: opp110-200000000 { + opp-hz = /bits/ 64 <200000000>; + opp-microvolt = <1100000 1050000 1160000>; + }; + + opp_300: opp120-300000000 { + opp-hz = /bits/ 64 <300000000>; + opp-microvolt = <1200000 1140000 1320000>; + }; + + /* + * Original silicon was 300MHz max, so higher frequencies + * need to be enabled on a per-board basis if the chip is + * capable. + */ + + opp_375: opp120-375000000 { + status = "disabled"; + opp-hz = /bits/ 64 <375000000>; + opp-microvolt = <1200000 1140000 1320000>; + }; + + opp_415: opp130-415000000 { + status = "disabled"; + opp-hz = /bits/ 64 <415000000>; + opp-microvolt = <1300000 1250000 1350000>; + }; + + opp_456: opp130-456000000 { + status = "disabled"; + opp-hz = /bits/ 64 <456000000>; + opp-microvolt = <1300000 1250000 1350000>; + }; + }; + arm { #address-cells = <1>; #size-cells = <1>; -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel