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([82.78.167.25]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5dece270a7fsm18674357a12.58.2025.02.24.09.32.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Feb 2025 09:32:04 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: rafael@kernel.org, daniel.lezcano@linaro.org, rui.zhang@intel.com, lukasz.luba@arm.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, geert+renesas@glider.be, magnus.damm@gmail.com, p.zabel@pengutronix.de Cc: claudiu.beznea@tuxon.dev, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Claudiu Beznea Subject: [PATCH v2 3/4] arm64: dts: renesas: r9a08g045: Add TSU node Date: Mon, 24 Feb 2025 19:31:43 +0200 Message-ID: <20250224173144.1952801-4-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250224173144.1952801-1-claudiu.beznea.uj@bp.renesas.com> References: <20250224173144.1952801-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Claudiu Beznea Add TSU node along with thermal zones and keep it enabled in the SoC DTSI. The temperature reported by the TSU can only be read through channel 8 of the ADC. Therefore, enable the ADC by default. Reviewed-by: Geert Uytterhoeven Signed-off-by: Claudiu Beznea --- Changes in v2: - collected Geert's tag - adjusted the trip points temperature as suggested in the review process - added cpu_alert1 passive trip point as suggested in the review process; along with it changed the trip point nodes and label names Hi, Geert, I kept your Rb tag. Please let me know if it should be dropped. Thank you, Claudiu arch/arm64/boot/dts/renesas/r9a08g045.dtsi | 49 ++++++++++++++++++- .../boot/dts/renesas/rzg3s-smarc-som.dtsi | 4 -- 2 files changed, 48 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi b/arch/arm64/boot/d= ts/renesas/r9a08g045.dtsi index 0364f89776e6..3f56fff7d9b0 100644 --- a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi @@ -233,7 +233,6 @@ adc: adc@10058000 { #address-cells =3D <1>; #size-cells =3D <0>; #io-channel-cells =3D <1>; - status =3D "disabled"; =20 channel@0 { reg =3D <0>; @@ -272,6 +271,17 @@ channel@8 { }; }; =20 + tsu: thermal@10059000 { + compatible =3D "renesas,r9a08g045-tsu"; + reg =3D <0 0x10059000 0 0x1000>; + clocks =3D <&cpg CPG_MOD R9A08G045_TSU_PCLK>; + resets =3D <&cpg R9A08G045_TSU_PRESETN>; + power-domains =3D <&cpg>; + #thermal-sensor-cells =3D <0>; + io-channels =3D <&adc 8>; + io-channel-names =3D "tsu"; + }; + vbattb: clock-controller@1005c000 { compatible =3D "renesas,r9a08g045-vbattb"; reg =3D <0 0x1005c000 0 0x1000>; @@ -717,6 +727,43 @@ timer { "hyp-virt"; }; =20 + thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive =3D <250>; + polling-delay =3D <1000>; + thermal-sensors =3D <&tsu>; + sustainable-power =3D <423>; + + cooling-maps { + map0 { + trip =3D <&cpu_alert0>; + cooling-device =3D <&cpu0 0 2>; + contribution =3D <1024>; + }; + }; + + trips { + cpu_crit: cpu-critical { + temperature =3D <110000>; + hysteresis =3D <1000>; + type =3D "critical"; + }; + + cpu_alert1: trip-point1 { + temperature =3D <90000>; + hysteresis =3D <1000>; + type =3D "passive"; + }; + + cpu_alert0: trip-point0 { + temperature =3D <85000>; + hysteresis =3D <1000>; + type =3D "passive"; + }; + }; + }; + }; + vbattb_xtal: vbattb-xtal { compatible =3D "fixed-clock"; #clock-cells =3D <0>; diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi b/arch/arm64/= boot/dts/renesas/rzg3s-smarc-som.dtsi index 39845faec894..6f25ab617982 100644 --- a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi @@ -84,10 +84,6 @@ x3_clk: x3-clock { }; }; =20 -&adc { - status =3D "okay"; -}; - #if SW_CONFIG3 =3D=3D SW_ON ð0 { pinctrl-0 =3D <ð0_pins>; --=20 2.43.0