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Tue, 30 Jan 2024 10:21:37 -0800 (PST) Received: from [172.30.32.188] ([2001:8f8:183b:50fb::d35]) by smtp.gmail.com with ESMTPSA id u18-20020a5d4352000000b003392b1ebf5csm11374254wrr.59.2024.01.30.10.21.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jan 2024 10:21:37 -0800 (PST) From: Alexey Charkov Date: Tue, 30 Jan 2024 22:21:14 +0400 Subject: [PATCH v2 2/4] arm64: dts: rockchip: enable temperature driven fan control on Rock 5B Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240130-rk-dts-additions-v2-2-c6222c4c78df@gmail.com> References: <20240130-rk-dts-additions-v2-0-c6222c4c78df@gmail.com> In-Reply-To: <20240130-rk-dts-additions-v2-0-c6222c4c78df@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: Daniel Lezcano , Dragan Simic , Viresh Kumar , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Alexey Charkov X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1706638888; l=1891; i=alchark@gmail.com; s=20240125; h=from:subject:message-id; bh=HGDpyfKI2RDyGPXzCZEZxUOoyZ5xEWyQzEQkIW49rB8=; b=SYlXApX3kBczLS+c6uzRjnh8soVjqGOy2sCKbiM9vFvUCq7QzrBgjPc4X6RD1zHn7x6nI6c5T NphLweK5PuFB48PdHMzbxOCZQm/mH4l0jyf+QEWD/Ieb4W7jpHn3xIr X-Developer-Key: i=alchark@gmail.com; a=ed25519; pk=xRO8VeD3J5jhwe0za0aHt2LDumQr8cm0Ls7Jz3YGimk= X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1789540927647558896 X-GMAIL-MSGID: 1789540927647558896 This enables thermal monitoring on Radxa Rock 5B and links the PWM fan as an active cooling device managed automatically by the thermal subsystem, with a target SoC temperature of 65C and a minimum-spin interval from 55C to 65C to ensure airflow when the system gets warm Acked-by: Daniel Lezcano Signed-off-by: Alexey Charkov --- arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 34 ++++++++++++++++++++++++- 1 file changed, 33 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts index a0e303c3a1dc..b485edeef876 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts @@ -52,7 +52,7 @@ led_rgb_b { fan: pwm-fan { compatible = "pwm-fan"; - cooling-levels = <0 95 145 195 255>; + cooling-levels = <0 120 150 180 210 240 255>; fan-supply = <&vcc5v0_sys>; pwms = <&pwm1 0 50000 0>; #cooling-cells = <2>; @@ -173,6 +173,34 @@ &cpu_l3 { cpu-supply = <&vdd_cpu_lit_s0>; }; +&package_thermal { + polling-delay = <1000>; + + trips { + package_fan0: package-fan0 { + temperature = <55000>; + hysteresis = <2000>; + type = "active"; + }; + package_fan1: package-fan1 { + temperature = <65000>; + hysteresis = <2000>; + type = "active"; + }; + }; + + cooling-maps { + map0 { + trip = <&package_fan0>; + cooling-device = <&fan THERMAL_NO_LIMIT 1>; + }; + map1 { + trip = <&package_fan1>; + cooling-device = <&fan 1 THERMAL_NO_LIMIT>; + }; + }; +}; + &i2c0 { pinctrl-names = "default"; pinctrl-0 = <&i2c0m2_xfer>; @@ -731,6 +759,10 @@ regulator-state-mem { }; }; +&tsadc { + status = "okay"; +}; + &uart2 { pinctrl-0 = <&uart2m0_xfer>; status = "okay";