Re: [PATCH v6 3/3] dts: hi6220: enable thermal sensor for hisilicon SoC

[Eduardo Valentin <edubezval@gmail.com>]

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On Wed, May 20, 2015 at 07:16:38PM +0800, Xinwei Kong wrote:
> From: kongxinwei <kong.kongxinwei@hisilicon.com>
> 
> Dts includes two part: the first part is related with thermal sensor;
> the second part is related with thermal zones, in this part it will
> define the thermal zones and which sensor device should be bound to.
> it also need specify the polling interval for every thermal zone.
> 
> Signed-off-by: Leo Yan <leo.yan@linaro.org>
> Signed-off-by: kongxinwei <kong.kongxinwei@hisilicon.com>

Acked-by: Eduardo Valentin <edubezval@gmail.com>

I have taken the patches containing the driver changes and the
Documentation entry. But this patch needs to go via your your
machine code tree (Wei Xu).

BR,

Eduardo Valentin

> ---
>  arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 124 ++++++++++++++++++++++++++++++
>  1 file changed, 124 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> index 8ade3d9..eb465a6 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> @@ -6,6 +6,7 @@
>  
>  #include <dt-bindings/clock/hi6220-clock.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/thermal/thermal.h>
>  
>  / {
>  	compatible = "hisilicon,hi6220";
> @@ -173,4 +174,127 @@
>  			clock-names = "uartclk", "apb_pclk";
>  		};
>  	};
> +
> +	tsensor: tsensor@0,f7030700 {
> +		compatible = "hisilicon,tsensor";
> +		reg = <0x0 0xf7030700 0x0 0x1000>;
> +		interrupts = <0 7 0x4>;
> +		clocks = <&sys_ctrl HI6220_TSENSOR_CLK>;
> +		clock-names = "thermal_clk";
> +		#thermal-sensor-cells = <1>;
> +	};
> +
> +	thermal-zones {
> +		local: local {
> +			/* milliseconds */
> +			polling-delay-passive = <1000>;
> +			/* milliseconds */
> +			polling-delay = <5000>;
> +
> +			/* sensor	ID */
> +			thermal-sensors = <&tsensor  0>;
> +
> +			trips {
> +				local_alert: local_alert {
> +					/* millicelsius */
> +					temperature = <70000>;
> +					/* millicelsius */
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				local_crit: local_crit {
> +					temperature = <90000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +				/* There are currently no cooling maps
> +				because there are no cooling devices */
> +			};
> +		};
> +
> +		cluster1: cluster1 {
> +			polling-delay-passive = <1000>;
> +			polling-delay = <5000>;
> +
> +			/* sensor	ID */
> +			thermal-sensors = <&tsensor  1>;
> +
> +			trips {
> +				cluster1_alert: cluster1_alert {
> +					temperature = <70000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				cluster1_crit: cluster1_crit {
> +					temperature = <90000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +				/* There are currently no cooling maps
> +				because there are no cooling devices */
> +			};
> +		};
> +
> +		cluster0: cluster0 {
> +			polling-delay-passive = <1000>;
> +			polling-delay = <5000>;
> +
> +			/* sensor	ID */
> +			thermal-sensors = <&tsensor  2>;
> +
> +			trips {
> +				cluster0_alert: cluster0_alert {
> +					temperature = <70000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				cluster0_crit: cluster0_crit {
> +					temperature = <90000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +				map0 {
> +					trip = <&cluster0_alert>;
> +					cooling-device =
> +					    <&cpu0 THERMAL_NO_LIMIT
> +						THERMAL_NO_LIMIT>;
> +				};
> +			};
> +		};
> +
> +		gpu: gpu {
> +			polling-delay-passive = <1000>;
> +			polling-delay = <5000>;
> +
> +			/* sensor	ID */
> +			thermal-sensors = <&tsensor  3>;
> +
> +			trips {
> +				gpu_alert: gpu_alert {
> +					temperature = <70000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				gpu_crit: gpu_crit {
> +					temperature = <90000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +				/* There are currently no cooling maps
> +				because there are no cooling devices */
> +			};
> +		};
> +	};
>  };
> -- 
> 1.9.1
> 
> 

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