On Wed, May 20, 2015 at 07:16:38PM +0800, Xinwei Kong wrote:
> From: kongxinwei <kong.kongxinwei@xxxxxxxxxxxxx>
>
> 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@xxxxxxxxxx>
> Signed-off-by: kongxinwei <kong.kongxinwei@xxxxxxxxxxxxx>
Acked-by: Eduardo Valentin <edubezval@xxxxxxxxx>
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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