[v14,3/5] ARM: dts: add RK3288 Thermal data
diff mbox

Message ID 1414377588-2237-4-git-send-email-caesar.wang@rock-chips.com
State New, archived
Headers show

Commit Message

Wang Caesar Oct. 27, 2014, 2:39 a.m. UTC
This patch changes a dtsi file to contain the thermal data
on RK3288 and later SoCs. This data will
enable a thermal shutdown over 120C.

Signed-off-by: Caesar Wang <caesar.wang@rock-chips.com>
---
 arch/arm/boot/dts/rk3288-thermal.dtsi | 65 +++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 arch/arm/boot/dts/rk3288-thermal.dtsi

Comments

Dmitry Torokhov Oct. 28, 2014, 12:25 a.m. UTC | #1
Hi Caesar,

On Mon, Oct 27, 2014 at 10:39:46AM +0800, Caesar Wang wrote:
> This patch changes a dtsi file to contain the thermal data
> on RK3288 and later SoCs. This data will
> enable a thermal shutdown over 120C.
> 
> Signed-off-by: Caesar Wang <caesar.wang@rock-chips.com>

Looks good not with a small nit below. Otherwise

Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

> ---
>  arch/arm/boot/dts/rk3288-thermal.dtsi | 65 +++++++++++++++++++++++++++++++++++
>  1 file changed, 65 insertions(+)
>  create mode 100644 arch/arm/boot/dts/rk3288-thermal.dtsi
> 
> diff --git a/arch/arm/boot/dts/rk3288-thermal.dtsi b/arch/arm/boot/dts/rk3288-thermal.dtsi
> new file mode 100644
> index 0000000..0555224
> --- /dev/null
> +++ b/arch/arm/boot/dts/rk3288-thermal.dtsi
> @@ -0,0 +1,65 @@
> +/*
> + * Device Tree Source for RK3288 SoC thermal
> + *
> + * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
> + *
> + * This file is licensed under the terms of the GNU General Public License
> + * version 2.  This program is licensed "as is" without any warranty of any
> + * kind, whether express or implied.
> + */
> +
> +#include <dt-bindings/thermal/thermal.h>
> +
> +reserve_thermal: reserve_thermal {
> +	polling-delay-passive = <1000>; /* milliseconds */
> +	polling-delay = <5000>; /* milliseconds */
> +
> +			/* sensor	ID */
> +	thermal-sensors = <&tsadc	0>;
> +
> +};
> +
> +cpu_thermal: cpu_thermal {
> +	polling-delay-passive = <1000>; /* milliseconds */
> +	polling-delay = <5000>; /* milliseconds */
> +
> +			/* sensor	ID */
> +	thermal-sensors = <&tsadc	1>;
> +
> +	trips {
> +		cpu_alert0: cpu_alert0 {
> +			temperature = <80000>; /* millicelsius */
> +			hysteresis = <2000>; /* millicelsius */
> +			type = "passive";
> +		};
> +		cpu_crit: cpu_crit {
> +			temperature = <120000>; /* millicelsius */
> +			hysteresis = <2000>; /* millicelsius */
> +			type = "critical";
> +		};
> +	};
> +
> +	cooling-maps {
> +		map0 {
> +		trip = <&cpu_alert0>;

This seems mis-indented.

> +			cooling-device =
> +				<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +		};
> +	};
> +};
> +
> +gpu_thermal: gpu_thermal {
> +	polling-delay-passive = <1000>; /* milliseconds */
> +	polling-delay = <5000>; /* milliseconds */
> +
> +			/* sensor	ID */
> +	thermal-sensors = <&tsadc	2>;
> +
> +	trips {
> +		gpu_crit: gpu_crit {
> +			temperature = <120000>; /* millicelsius */
> +			hysteresis = <2000>; /* millicelsius */
> +			type = "critical";
> +		};
> +	};
> +};
> -- 
> 1.9.1
> 
>

Patch
diff mbox

diff --git a/arch/arm/boot/dts/rk3288-thermal.dtsi b/arch/arm/boot/dts/rk3288-thermal.dtsi
new file mode 100644
index 0000000..0555224
--- /dev/null
+++ b/arch/arm/boot/dts/rk3288-thermal.dtsi
@@ -0,0 +1,65 @@ 
+/*
+ * Device Tree Source for RK3288 SoC thermal
+ *
+ * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <dt-bindings/thermal/thermal.h>
+
+reserve_thermal: reserve_thermal {
+	polling-delay-passive = <1000>; /* milliseconds */
+	polling-delay = <5000>; /* milliseconds */
+
+			/* sensor	ID */
+	thermal-sensors = <&tsadc	0>;
+
+};
+
+cpu_thermal: cpu_thermal {
+	polling-delay-passive = <1000>; /* milliseconds */
+	polling-delay = <5000>; /* milliseconds */
+
+			/* sensor	ID */
+	thermal-sensors = <&tsadc	1>;
+
+	trips {
+		cpu_alert0: cpu_alert0 {
+			temperature = <80000>; /* millicelsius */
+			hysteresis = <2000>; /* millicelsius */
+			type = "passive";
+		};
+		cpu_crit: cpu_crit {
+			temperature = <120000>; /* millicelsius */
+			hysteresis = <2000>; /* millicelsius */
+			type = "critical";
+		};
+	};
+
+	cooling-maps {
+		map0 {
+		trip = <&cpu_alert0>;
+			cooling-device =
+				<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+		};
+	};
+};
+
+gpu_thermal: gpu_thermal {
+	polling-delay-passive = <1000>; /* milliseconds */
+	polling-delay = <5000>; /* milliseconds */
+
+			/* sensor	ID */
+	thermal-sensors = <&tsadc	2>;
+
+	trips {
+		gpu_crit: gpu_crit {
+			temperature = <120000>; /* millicelsius */
+			hysteresis = <2000>; /* millicelsius */
+			type = "critical";
+		};
+	};
+};