[v2,5/8] hwmon: thermal: dts: Add properties to use pwm-fan device as a cooling device in Odroid U3
diff mbox

Message ID 1419265668-32283-6-git-send-email-l.majewski@samsung.com
State Changes Requested
Delegated to: Eduardo Valentin
Headers show

Commit Message

Lukasz Majewski Dec. 22, 2014, 4:27 p.m. UTC
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@samsung.com>
---
Changes for v2:
- Rename cooling-pwm-values property to cooling-levels
---
 arch/arm/boot/dts/exynos4412-odroidu3.dts | 33 ++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

Comments

Eduardo Valentin Jan. 2, 2015, 6:52 p.m. UTC | #1
Patch subject should use a prefix like:
'arm: dts:....'

On Mon, Dec 22, 2014 at 05:27:45PM +0100, Lukasz Majewski wrote:
> 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@samsung.com>
> ---
> Changes for v2:
> - Rename cooling-pwm-values property to cooling-levels
> ---
>  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..380035d 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-levels = <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
>

Patch
diff mbox

diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index 60bd1e4..380035d 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-levels = <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 {