| Message ID | 20230105101748.6714-5-alice.guo@oss.nxp.com |
|---|---|
| State | New |
| Headers | show |
| Series | add i.MX93 TMU support | expand |
On 05/01/2023 11:17, Alice Guo (OSS) wrote: > From: Alice Guo <alice.guo@nxp.com> > > Add CPU thermal zone and attach it to the TMU which monitors the CPU > temperature. > > Signed-off-by: Alice Guo <alice.guo@nxp.com> > Reviewed-by: Jacky Bai <ping.bai@nxp.com> > Reviewed-by: Ye Li <ye.li@nxp.com> > Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> > --- > arch/arm64/boot/dts/freescale/imx93.dtsi | 48 ++++++++++++++++++++++++ > 1 file changed, 48 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi > index 6808321ed809..60306f3c5e7f 100644 > --- a/arch/arm64/boot/dts/freescale/imx93.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi > @@ -8,6 +8,7 @@ > #include <dt-bindings/input/input.h> > #include <dt-bindings/interrupt-controller/arm-gic.h> > #include <dt-bindings/power/fsl,imx93-power.h> > +#include <dt-bindings/thermal/thermal.h> > > #include "imx93-pinfunc.h" > > @@ -116,6 +117,38 @@ > interrupt-parent = <&gic>; > }; > > + thermal-zones { > + cpu-thermal { > + polling-delay-passive = <250>; > + polling-delay = <2000>; > + > + thermal-sensors = <&tmu 0>; > + > + trips { > + cpu_alert: cpu-alert { > + temperature = <80000>; > + hysteresis = <2000>; > + type = "passive"; > + }; > + > + cpu_crit: cpu-crit { > + temperature = <90000>; > + hysteresis = <2000>; > + type = "critical"; > + }; > + }; Wrong indentation. Best regards, Krzysztof
diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi index 6808321ed809..60306f3c5e7f 100644 --- a/arch/arm64/boot/dts/freescale/imx93.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi @@ -8,6 +8,7 @@ #include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/power/fsl,imx93-power.h> +#include <dt-bindings/thermal/thermal.h> #include "imx93-pinfunc.h" @@ -116,6 +117,38 @@ interrupt-parent = <&gic>; }; + thermal-zones { + cpu-thermal { + polling-delay-passive = <250>; + polling-delay = <2000>; + + thermal-sensors = <&tmu 0>; + + trips { + cpu_alert: cpu-alert { + temperature = <80000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_crit: cpu-crit { + temperature = <90000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert>; + cooling-device = + <&A55_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&A55_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; + soc@0 { compatible = "simple-bus"; #address-cells = <1>; @@ -280,6 +313,21 @@ compatible = "fsl,imx93-anatop", "syscon"; reg = <0x44480000 0x10000>; }; + + tmu: tmu@44482000 { + compatible = "fsl,imx93-tmu"; + reg = <0x44482000 0x1000>; + clocks = <&clk IMX93_CLK_TMC_GATE>; + little-endian; + fsl,tmu-calibration = <0x0000000e 0x800000da + 0x00000029 0x800000e9 + 0x00000056 0x80000102 + 0x000000a2 0x8000012a + 0x00000116 0x80000166 + 0x00000195 0x800001a7 + 0x000001b2 0x800001b6>; + #thermal-sensor-cells = <1>; + }; }; aips2: bus@42000000 {