From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lukasz Majewski Subject: [PATCH 4/9] hwmon: thermal: dts: Add properties to use pwm-fan device as a cooling device in Odroid U3 Date: Thu, 18 Dec 2014 11:13:06 +0100 Message-ID: <1418897591-18332-5-git-send-email-l.majewski@samsung.com> References: <1418897591-18332-1-git-send-email-l.majewski@samsung.com> Return-path: In-reply-to: <1418897591-18332-1-git-send-email-l.majewski@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: Eduardo Valentin , Kamil Debski , Jean Delvare , Guenter Roeck Cc: lm-sensors@lm-sensors.org, Linux PM list , "linux-samsung-soc@vger.kernel.org" , devicetree@vger.kernel.org, Lukasz Majewski , Kukjin Kim , linux-kernel@vger.kernel.org, Sylwester Nawrocki , Lukasz Majewski List-Id: devicetree@vger.kernel.org With those bindings it is possible to use pwm-fan device available at Odroid U3 as a cooling device. Signed-off-by: Lukasz Majewski --- arch/arm/boot/dts/exynos4412-odroidu3.dts | 33 ++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts index 60bd1e4..cc50e96 100644 --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts @@ -32,11 +32,42 @@ }; }; - pwm-fan { + fan0: pwm-fan { compatible = "pwm-fan"; pwms = <&pwm 0 10000 0>; + cooling-min-state = <0>; + cooling-max-state = <3>; + #cooling-cells = <2>; + cooling-pwm-values = <0 102 170 255>; status = "okay"; }; + + thermal-zones { + cpu_thermal: cpu-thermal { + cooling-maps { + map0 { + trip = <&cpu_alert1>; + cooling-device = <&cpu0 7 7>; + }; + map1 { + trip = <&cpu_alert2>; + cooling-device = <&cpu0 13 13>; + }; + map2 { + trip = <&cpu_alert0>; + cooling-device = <&fan0 0 1>; + }; + map3 { + trip = <&cpu_alert1>; + cooling-device = <&fan0 1 2>; + }; + map4 { + trip = <&cpu_alert2>; + cooling-device = <&fan0 2 3>; + }; + }; + }; + }; }; &pwm { -- 2.0.0.rc2