On Tue, Sep 03, 2019 at 11:31:32AM +0800, Yuantian Tang wrote:
> Add the TMU (Thermal Monitoring Unit) device node to enable
> TMU feature.
> 
> Signed-off-by: Yuantian Tang <andy.t...@nxp.com>
> ---
>  .../arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 108 +++++++++++++++---
>  1 file changed, 92 insertions(+), 16 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi 
> b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> index 39d497df769e..e70ddd01cd84 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> @@ -6,6 +6,7 @@
>  
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/thermal/thermal.h>
>  
>  /memreserve/ 0x80000000 0x00010000;
>  
> @@ -24,7 +25,7 @@
>               #size-cells = <0>;
>  
>               // 8 clusters having 2 Cortex-A72 cores each
> -             cpu@0 {
> +             cpu0: cpu@0 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -38,9 +39,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster0_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@1 {
> +             cpu1: cpu@1 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -54,9 +56,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster0_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@100 {
> +             cpu100: cpu@100 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -70,9 +73,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster1_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@101 {
> +             cpu101: cpu@101 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -86,9 +90,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster1_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@200 {
> +             cpu200: cpu@200 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -102,9 +107,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster2_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@201 {
> +             cpu201: cpu@201 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -118,9 +124,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster2_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@300 {
> +             cpu300: cpu@300 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -134,9 +141,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster3_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@301 {
> +             cpu301: cpu@301 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -150,9 +158,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster3_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@400 {
> +             cpu400: cpu@400 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -166,9 +175,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster4_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@401 {
> +             cpu401: cpu@401 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -182,9 +192,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster4_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@500 {
> +             cpu500: cpu@500 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -198,9 +209,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster5_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@501 {
> +             cpu501: cpu@501 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -214,9 +226,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster5_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@600 {
> +             cpu600: cpu@600 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -230,9 +243,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster6_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@601 {
> +             cpu601: cpu@601 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -246,9 +260,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster6_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@700 {
> +             cpu700: cpu@700 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -262,9 +277,10 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster7_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
> -             cpu@701 {
> +             cpu701: cpu@701 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a72";
>                       enable-method = "psci";
> @@ -278,6 +294,7 @@
>                       i-cache-sets = <192>;
>                       next-level-cache = <&cluster7_l2>;
>                       cpu-idle-states = <&cpu_pw20>;
> +                     #cooling-cells = <2>;
>               };
>  
>               cluster0_l2: l2-cache0 {
> @@ -422,6 +439,51 @@
>               clock-output-names = "sysclk";
>       };
>  
> +     thermal-zones {
> +             core_thermal1: core-thermal1 {
> +                     polling-delay-passive = <1000>;
> +                     polling-delay = <5000>;
> +                     thermal-sensors = <&tmu 0>;
> +
> +                     trips {
> +                             core_cluster_alert: core-cluster-alert {
> +                                     temperature = <85000>;
> +                                     hysteresis = <2000>;
> +                                     type = "passive";
> +                             };
> +
> +                             core_cluster_crit: core-cluster-crit {
> +                                     temperature = <95000>;
> +                                     hysteresis = <2000>;
> +                                     type = "critical";
> +                             };
> +                     };
> +
> +                     cooling-maps {
> +                             map0 {
> +                                     trip = <&core_cluster_alert>;
> +                                     cooling-device =
> +                                             <&cpu0 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu1 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu100 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu101 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu200 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu201 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu300 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu301 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu400 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu401 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu500 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu501 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu600 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu601 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu700 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>,
> +                                             <&cpu701 THERMAL_NO_LIMIT 
> THERMAL_NO_LIMIT>;
> +                             };
> +                     };
> +             };
> +     };
> +
>       soc {
>               compatible = "simple-bus";
>               #address-cells = <2>;
> @@ -689,6 +751,20 @@
>                       status = "disabled";
>               };
>  
> +             tmu: tmu@1f80000 {

Keep the nodes sorted in unit-address.

> +                     compatible = "fsl,qoriq-tmu";
> +                     reg = <0x0 0x1f80000 0x0 0x10000>;
> +                     interrupts = <0 23 0x4>;

IRQ_TYPE_LEVEL_HIGH

> +                     fsl,tmu-range = <0x800000E6 0x8001017D>;

Use lowercase for hex values.

Shawn

> +                     fsl,tmu-calibration =
> +                             /* Calibration data group 1 */
> +                             <0x00000000 0x00000035
> +                             /* Calibration data group 2 */
> +                             0x00010001 0x00000154>;
> +                     little-endian;
> +                     #thermal-sensor-cells = <1>;
> +             };
> +
>               uart0: serial@21c0000 {
>                       compatible = "arm,sbsa-uart","arm,pl011";
>                       reg = <0x0 0x21c0000 0x0 0x1000>;
> -- 
> 2.17.1
> 

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