On Thu, Nov 29, 2018 at 02:37:47AM +0000, Anson Huang wrote:
> Add i.MX8QXP CPU thermal zone support.
>
> Signed-off-by: Anson Huang <[email protected]>
> ---
> ChangeLog:
> V3->V4:
> *move the tsens node to inside of SCU node as it is belonging to SCU.
> ---
> arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 27 +++++++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> index 9b08688..48f622c 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> @@ -9,6 +9,7 @@
> #include <dt-bindings/firmware/imx/rsrc.h>
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/pinctrl/pads-imx8qxp.h>
> +#include <dt-bindings/thermal/thermal.h>
>
> #include "imx8-ca35.dtsi"
>
> @@ -87,6 +88,12 @@
> rtc: rtc {
> compatible = "fsl,imx8qxp-sc-rtc";
> };
> +
> + tsens: thermal-sensor {
> + compatible = "fsl,imx8qxp-sc-thermal";
> + tsens-num = <1>;
> + #thermal-sensor-cells = <1>;
> + };
> };
>
> adma_subsys: bus@59000000 {
> @@ -410,4 +417,24 @@
> #size-cells = <1>;
> ranges = <0x5f000000 0x0 0x5f000000 0x1000000>;
> };
> +
> + thermal_zones: thermal-zones {
> + cpu-thermal0 {
> + polling-delay-passive = <250>;
> + polling-delay = <2000>;
> + thermal-sensors = <&tsens 355>;
> + trips {
> + cpu_alert0: trip0 {
> + temperature = <107000>;
> + hysteresis = <2000>;
> + type = "passive";
> + };
A passive trip but no cooling maps?
> + cpu_crit0: trip1 {
> + temperature = <127000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> + };
> + };
> };
> --
> 2.7.4
>
