From patchwork Fri Jun 21 09:16:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 11009361 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9A6D31398 for ; Fri, 21 Jun 2019 09:48:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 88E8F289A6 for ; Fri, 21 Jun 2019 09:48:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7DAD9289E5; Fri, 21 Jun 2019 09:48:55 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 177C5289A6 for ; Fri, 21 Jun 2019 09:48:55 +0000 (UTC) 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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=s35ZMaIkXdCRNP4YHBnlXJAGdUgaWpB39VpHCd8fLKQ=; b=LgMPXHzhnnqAmt7yNi7e1tI5kE 6Pfk272c+m4TgT61bj4FYRC4fZq549KgWllTCWi8g86LLIBlayKus5IwVhR0sTB9lWUVmcX9Vhq+9 lDsIA9RD9eGGrvCovnMR+El/v6c/rYlTkE0slWn9gCRaquPFfB7G7Pmx43kAXfJk9sTPW8KhhFQ6i R3EvFmSAErwFd2H30QfLGbZZovg1z/kr5PqYdRh98hUUbyjabAAOvIwLFlR2XkXzui71M40XZo+Ue bzUVAPOYDFMJaGXTu3bRZJPIArqRXO79KZDH2f5tq/GFRtcw3RudsM4GHn9wwd7r5Y6QLRctW2lRV uPfhX0hA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1heGAA-00073x-2W; Fri, 21 Jun 2019 09:48:54 +0000 Received: from kirsty.vergenet.net ([202.4.237.240]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1heFgl-0002tV-8z for linux-arm-kernel@lists.infradead.org; Fri, 21 Jun 2019 09:18:33 +0000 Received: from reginn.horms.nl (watermunt.horms.nl [80.127.179.77]) by kirsty.vergenet.net (Postfix) with ESMTPA id 90E8D25AEEC; Fri, 21 Jun 2019 19:16:41 +1000 (AEST) Received: by reginn.horms.nl (Postfix, from userid 7100) id CF9F2942F39; Fri, 21 Jun 2019 11:16:33 +0200 (CEST) From: Simon Horman To: linux-renesas-soc@vger.kernel.org Subject: [PATCH 22/53] arm64: dts: renesas: r8a7796: Create thermal zone to support IPA Date: Fri, 21 Jun 2019 11:16:00 +0200 Message-Id: <81022ecd2720a5bf2c7163e6cc3fcfe51bf23ce0.1561107232.git.horms+renesas@verge.net.au> X-Mailer: git-send-email 2.11.0 In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190621_021831_657525_11837DAA X-CRM114-Status: GOOD ( 13.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Hien Dang , Yoshihiro Kaneko , An Huynh , Dien Pham , Magnus Damm , Takeshi Kihara , Simon Horman , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Dien Pham Setup a thermal zone driven by SoC temperature sensor. Create passive trip points and bind them to CPUFreq cooling device that supports power extension. In R-Car Gen3, IPA is supported for only one channel (on H3/M3/M3N SoCs, it is channel THS3). Reason: Currently, IPA controls base on only CPU temperature. And only one thermal channel is assembled closest CPU cores is selected as target of IPA. If other channels are used, IPA controlling is not properly. The A57 cooling device supports 5 cooling states which can be categorised as follows: 0 & 1) boost (clocking up) 2) default 3 & 4) cooling (clocking down) Currently the thermal framework assumes that the default is the minimum, or in other words there is no provision for handling boost states. So this patch only describes the upper 3 states, default and cooling. A single cooling device is described for all A57 CPUs and a separate cooling device is described for all A53 CPUs. This reflects that physically there is only one cooling device present for each type of CPU. This patch improves on an earlier version by: * Omitting cooling-max-level and cooling-min-level properties which are no longer present in mainline as of v4.17 * Removing an unused trip-point0 node sub-property from the trips property. * Using cooling-device indexes such that maximum refers to maximum cooling rather than the inverse. * Defers adding dynamic-power-coefficient properties to a separate patch as these are properties of the CPU. The long signed-off by chain below reflects many revisions, mainly internal, that this patch has been through. Signed-off-by: Dien Pham Signed-off-by: Hien Dang Signed-off-by: An Huynh Signed-off-by: Takeshi Kihara Signed-off-by: Yoshihiro Kaneko Signed-off-by: Simon Horman --- arch/arm64/boot/dts/renesas/r8a7796.dtsi | 44 +++++++++++--------------------- 1 file changed, 15 insertions(+), 29 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi index 452532fbc443..fdadb44847c6 100644 --- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi @@ -186,6 +186,7 @@ power-domains = <&sysc R8A7796_PD_CA53_CPU0>; next-level-cache = <&L2_CA53>; enable-method = "psci"; + #cooling-cells = <2>; clocks = <&cpg CPG_CORE R8A7796_CLK_Z2>; operating-points-v2 = <&cluster1_opp>; capacity-dmips-mhz = <535>; @@ -2825,76 +2826,61 @@ polling-delay-passive = <250>; polling-delay = <1000>; thermal-sensors = <&tsc 0>; + sustainable-power = <3874>; trips { - sensor1_passive: sensor1-passive { - temperature = <95000>; - hysteresis = <1000>; - type = "passive"; - }; sensor1_crit: sensor1-crit { temperature = <120000>; hysteresis = <1000>; type = "critical"; }; }; - - cooling-maps { - map0 { - trip = <&sensor1_passive>; - cooling-device = <&a57_0 5 5>, <&a57_1 5 5>; - }; - }; }; sensor_thermal2: sensor-thermal2 { polling-delay-passive = <250>; polling-delay = <1000>; thermal-sensors = <&tsc 1>; + sustainable-power = <3874>; trips { - sensor2_passive: sensor2-passive { - temperature = <95000>; - hysteresis = <1000>; - type = "passive"; - }; sensor2_crit: sensor2-crit { temperature = <120000>; hysteresis = <1000>; type = "critical"; }; }; - - cooling-maps { - map0 { - trip = <&sensor2_passive>; - cooling-device = <&a57_0 5 5>, <&a57_1 5 5>; - }; - }; }; sensor_thermal3: sensor-thermal3 { polling-delay-passive = <250>; polling-delay = <1000>; thermal-sensors = <&tsc 2>; + sustainable-power = <3874>; trips { - sensor3_passive: sensor3-passive { - temperature = <95000>; + target: trip-point1 { + temperature = <100000>; hysteresis = <1000>; type = "passive"; }; + sensor3_crit: sensor3-crit { temperature = <120000>; hysteresis = <1000>; type = "critical"; }; }; - cooling-maps { map0 { - trip = <&sensor3_passive>; - cooling-device = <&a57_0 5 5>, <&a57_1 5 5>; + trip = <&target>; + cooling-device = <&a57_0 2 4>; + contribution = <1024>; + }; + map1 { + trip = <&target>; + cooling-device = <&a53_0 0 2>; + contribution = <1024>; }; }; };