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Message-id: <1425470624-25793-4-git-send-email-l.majewski@samsung.com>
Date: Wed, 04 Mar 2015 13:03:41 +0100
From: Lukasz Majewski <l.majewski@...sung.com>
To: Eduardo Valentin <edubezval@...il.com>,
Kamil Debski <k.debski@...sung.com>,
Jean Delvare <jdelvare@...e.de>,
Guenter Roeck <linux@...ck-us.net>,
Kukjin Kim <kgene@...nel.org>
Cc: lm-sensors@...sensors.org,
Linux PM list <linux-pm@...r.kernel.org>,
"linux-samsung-soc@...r.kernel.org"
<linux-samsung-soc@...r.kernel.org>, devicetree@...r.kernel.org,
Lukasz Majewski <l.majewski@...ess.pl>,
Kukjin Kim <kgene.kim@...sung.com>,
linux-kernel@...r.kernel.org,
Sjoerd Simons <sjoerd.simons@...labora.co.uk>,
Abhilash Kesavan <kesavan.abhilash@...il.com>,
Abhilash Kesavan <a.kesavan@...sung.com>,
Lukasz Majewski <l.majewski@...sung.com>
Subject: [PATCH RESEND v6 3/6] ARM: dts: Add properties to use pwm-fan device
as a cooling device in Odroid U3
With those bindings it is possible to use pwm-fan device available in
Odroid U3 as a cooling device.
Signed-off-by: Lukasz Majewski <l.majewski@...sung.com>
Acked-by: Eduardo Valentin <edubezval@...il.com>
---
Changes for v2:
- Rename cooling-pwm-values property to cooling-levels
Changes for v3:
- Change patch's topic to "ARM dts"
- Reduce maximal cooling-level to 230 from 255
Changes for v4:
- None
Changes for v5:
- None
Changes for v6:
- None
---
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 4c04837..abcfa3c 100644
--- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
@@ -32,9 +32,40 @@
};
};
- 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-levels = <0 102 170 230>;
+ };
+
+ 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>;
+ };
+ };
+ };
};
};
--
2.0.0.rc2
--
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