From patchwork Fri Mar 6 11:00:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 11423559 X-Patchwork-Delegate: daniel.lezcano@linaro.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 68EA21580 for ; Fri, 6 Mar 2020 11:00:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53B9920848 for ; Fri, 6 Mar 2020 11:00:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726129AbgCFLAa (ORCPT ); Fri, 6 Mar 2020 06:00:30 -0500 Received: from albert.telenet-ops.be ([195.130.137.90]:37770 "EHLO albert.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726162AbgCFLAa (ORCPT ); Fri, 6 Mar 2020 06:00:30 -0500 Received: from ramsan ([84.195.182.253]) by albert.telenet-ops.be with bizsmtp id Az0T2200F5USYZQ06z0TPW; Fri, 06 Mar 2020 12:00:27 +0100 Received: from rox.of.borg ([192.168.97.57]) by ramsan with esmtp (Exim 4.90_1) (envelope-from ) id 1jAAiR-0004Ax-EW; Fri, 06 Mar 2020 12:00:27 +0100 Received: from geert by rox.of.borg with local (Exim 4.90_1) (envelope-from ) id 1jAAiR-0006Rt-CJ; Fri, 06 Mar 2020 12:00:27 +0100 From: Geert Uytterhoeven To: Magnus Damm , =?utf-8?q?Niklas_S=C3=B6derlund?= Cc: linux-arm-kernel@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-pm@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH] arm64: dts: renesas: r8a77961: Add thermal nodes Date: Fri, 6 Mar 2020 12:00:25 +0100 Message-Id: <20200306110025.24747-1-geert+renesas@glider.be> X-Mailer: git-send-email 2.17.1 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add a device node for the Thermal Sensor/Chip Internal Voltage Monitor in the R-Car M3-W+ (R8A77961) SoC, and describe the thermal zones. According to the R-Car Gen3 Hardware Manual Errata for Revision 2.00 of Jan 31, 2020, the thermal parameters for R-Car M3-W+ are the same as for R-Car M3-W. Signed-off-by: Geert Uytterhoeven Reviewed-by: Niklas Söderlund --- It's a bit cold in Magnus' lab: / # grep . /sys/devices/virtual/thermal/thermal_zone?/temp /sys/devices/virtual/thermal/thermal_zone0/temp:17000 /sys/devices/virtual/thermal/thermal_zone1/temp:19000 /sys/devices/virtual/thermal/thermal_zone2/temp:18000 --- arch/arm64/boot/dts/renesas/r8a77961.dtsi | 80 +++++++++++++++++++++++ 1 file changed, 80 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a77961.dtsi b/arch/arm64/boot/dts/renesas/r8a77961.dtsi index b6915319a61c8bf0..2f016458f57d3a33 100644 --- a/arch/arm64/boot/dts/renesas/r8a77961.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77961.dtsi @@ -474,6 +474,20 @@ #power-domain-cells = <1>; }; + tsc: thermal@e6198000 { + compatible = "renesas,r8a77961-thermal"; + reg = <0 0xe6198000 0 0x100>, + <0 0xe61a0000 0 0x100>, + <0 0xe61a8000 0 0x100>; + interrupts = , + , + ; + clocks = <&cpg CPG_MOD 522>; + power-domains = <&sysc R8A77961_PD_ALWAYS_ON>; + resets = <&cpg 522>; + #thermal-sensor-cells = <1>; + }; + intc_ex: interrupt-controller@e61c0000 { #interrupt-cells = <2>; interrupt-controller; @@ -785,6 +799,7 @@ status = "disabled"; }; + pwm1: pwm@e6e31000 { reg = <0 0xe6e31000 0 8>; #pwm-cells = <2>; @@ -1073,6 +1088,71 @@ }; }; + thermal-zones { + sensor_thermal1: sensor-thermal1 { + polling-delay-passive = <250>; + polling-delay = <1000>; + thermal-sensors = <&tsc 0>; + sustainable-power = <3874>; + + trips { + sensor1_crit: sensor1-crit { + temperature = <120000>; + hysteresis = <1000>; + type = "critical"; + }; + }; + }; + + sensor_thermal2: sensor-thermal2 { + polling-delay-passive = <250>; + polling-delay = <1000>; + thermal-sensors = <&tsc 1>; + sustainable-power = <3874>; + + trips { + sensor2_crit: sensor2-crit { + temperature = <120000>; + hysteresis = <1000>; + type = "critical"; + }; + }; + }; + + sensor_thermal3: sensor-thermal3 { + polling-delay-passive = <250>; + polling-delay = <1000>; + thermal-sensors = <&tsc 2>; + sustainable-power = <3874>; + + cooling-maps { + map0 { + trip = <&target>; + cooling-device = <&a57_0 2 4>; + contribution = <1024>; + }; + map1 { + trip = <&target>; + cooling-device = <&a53_0 0 2>; + contribution = <1024>; + }; + }; + trips { + target: trip-point1 { + temperature = <100000>; + hysteresis = <1000>; + type = "passive"; + }; + + sensor3_crit: sensor3-crit { + temperature = <120000>; + hysteresis = <1000>; + type = "critical"; + }; + }; + }; + }; + timer { compatible = "arm,armv8-timer"; interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_LOW)>,