On Thu, May 11, 2017 at 04:01:20PM +0800, Yuantian Tang wrote:
> Add nodes and properties for thermal management support.
>
> Signed-off-by: Tang Yuantian <andy.tang@xxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 89 ++++++++++++++++++++++++++
> 1 file changed, 89 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> index caecd14..53dc1c1 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> @@ -44,6 +44,7 @@
> * OTHER DEALINGS IN THE SOFTWARE.
> */
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/thermal/thermal.h>
>
> / {
> compatible = "fsl,ls1088a";
> @@ -61,6 +62,7 @@
> compatible = "arm,cortex-a53";
> reg = <0x0>;
> clocks = <&clockgen 1 0>;
> + #cooling-cells = <2>;
> };
>
> cpu1: cpu@1 {
> @@ -89,6 +91,7 @@
> compatible = "arm,cortex-a53";
> reg = <0x100>;
> clocks = <&clockgen 1 1>;
> + #cooling-cells = <2>;
> };
>
> cpu5: cpu@101 {
> @@ -273,6 +276,92 @@
> dma-coherent;
> status = "disabled";
> };
> +
> + tmu: tmu@1f80000 {
We sort the devices under simple-bus in order of unit-address. Please
respect the order when adding new devices.
Shawn
> + compatible = "fsl,qoriq-tmu";
> + reg = <0x0 0x1f80000 0x0 0x10000>;
> + interrupts = <0 23 0x4>;
> + fsl,tmu-range = <0xb0000 0x9002a 0x6004c 0x30062>;
> + fsl,tmu-calibration =
> + /* Calibration data group 1 */
> + <0x00000000 0x00000026
> + 0x00000001 0x0000002d
> + 0x00000002 0x00000032
> + 0x00000003 0x00000039
> + 0x00000004 0x0000003f
> + 0x00000005 0x00000046
> + 0x00000006 0x0000004d
> + 0x00000007 0x00000054
> + 0x00000008 0x0000005a
> + 0x00000009 0x00000061
> + 0x0000000a 0x0000006a
> + 0x0000000b 0x00000071
> + /* Calibration data group 2 */
> + 0x00010000 0x00000025
> + 0x00010001 0x0000002c
> + 0x00010002 0x00000035
> + 0x00010003 0x0000003d
> + 0x00010004 0x00000045
> + 0x00010005 0x0000004e
> + 0x00010006 0x00000057
> + 0x00010007 0x00000061
> + 0x00010008 0x0000006b
> + 0x00010009 0x00000076
> + /* Calibration data group 3 */
> + 0x00020000 0x00000029
> + 0x00020001 0x00000033
> + 0x00020002 0x0000003d
> + 0x00020003 0x00000049
> + 0x00020004 0x00000056
> + 0x00020005 0x00000061
> + 0x00020006 0x0000006d
> + /* Calibration data group 4 */
> + 0x00030000 0x00000021
> + 0x00030001 0x0000002a
> + 0x00030002 0x0000003c
> + 0x00030003 0x0000004e>;
> + little-endian;
> + #thermal-sensor-cells = <1>;
> + };
> +
> + thermal-zones {
> + cpu_thermal: cpu-thermal {
> + polling-delay-passive = <1000>;
> + polling-delay = <5000>;
> + thermal-sensors = <&tmu 0>;
> +
> + trips {
> + cpu_alert: cpu-alert {
> + temperature = <85000>;
> + hysteresis = <2000>;
> + type = "passive";
> + };
> +
> + cpu_crit: cpu-crit {
> + temperature = <95000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> +
> + cooling-maps {
> + map0 {
> + trip = <&cpu_alert>;
> + cooling-device =
> + <&cpu0 THERMAL_NO_LIMIT
> + THERMAL_NO_LIMIT>;
> + };
> +
> + map1 {
> + trip = <&cpu_alert>;
> + cooling-device =
> + <&cpu4 THERMAL_NO_LIMIT
> + THERMAL_NO_LIMIT>;
> + };
> + };
> + };
> + };
> +
> };
>
> };
> --
> 2.1.0.27.g96db324
>
>
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