]> asedeno.scripts.mit.edu Git - linux.git/commitdiff
arm64: dts: ls1028a: Add Thermal Monitor Unit node
authorYuantian Tang <andy.tang@nxp.com>
Tue, 6 Aug 2019 05:35:07 +0000 (13:35 +0800)
committerShawn Guo <shawnguo@kernel.org>
Mon, 19 Aug 2019 14:04:48 +0000 (16:04 +0200)
The Thermal Monitoring Unit (TMU) monitors and reports the
temperature from 2 remote temperature measurement sites
located on ls1028a chip.
Add TMU dts node to enable this feature.

Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi

index aef5b06a98d571376f07178ce86eafaa6ecd2ee1..20d7e7db5dcb5d6ff7f1c45c3194fb5710819aae 100644 (file)
@@ -29,6 +29,7 @@ cpu0: cpu@0 {
                        clocks = <&clockgen 1 0>;
                        next-level-cache = <&l2>;
                        cpu-idle-states = <&CPU_PW20>;
+                       #cooling-cells = <2>;
                };
 
                cpu1: cpu@1 {
@@ -39,6 +40,7 @@ cpu1: cpu@1 {
                        clocks = <&clockgen 1 0>;
                        next-level-cache = <&l2>;
                        cpu-idle-states = <&CPU_PW20>;
+                       #cooling-cells = <2>;
                };
 
                l2: l2-cache {
@@ -503,6 +505,89 @@ sai4: audio-controller@f130000 {
                        status = "disabled";
                };
 
+               tmu: tmu@1f00000 {
+                       compatible = "fsl,qoriq-tmu";
+                       reg = <0x0 0x1f80000 0x0 0x10000>;
+                       interrupts = <0 23 0x4>;
+                       fsl,tmu-range = <0xb0000 0xa0026 0x80048 0x70061>;
+                       fsl,tmu-calibration = <0x00000000 0x00000024
+                                              0x00000001 0x0000002b
+                                              0x00000002 0x00000031
+                                              0x00000003 0x00000038
+                                              0x00000004 0x0000003f
+                                              0x00000005 0x00000045
+                                              0x00000006 0x0000004c
+                                              0x00000007 0x00000053
+                                              0x00000008 0x00000059
+                                              0x00000009 0x00000060
+                                              0x0000000a 0x00000066
+                                              0x0000000b 0x0000006d
+
+                                              0x00010000 0x0000001c
+                                              0x00010001 0x00000024
+                                              0x00010002 0x0000002c
+                                              0x00010003 0x00000035
+                                              0x00010004 0x0000003d
+                                              0x00010005 0x00000045
+                                              0x00010006 0x0000004d
+                                              0x00010007 0x00000045
+                                              0x00010008 0x0000005e
+                                              0x00010009 0x00000066
+                                              0x0001000a 0x0000006e
+
+                                              0x00020000 0x00000018
+                                              0x00020001 0x00000022
+                                              0x00020002 0x0000002d
+                                              0x00020003 0x00000038
+                                              0x00020004 0x00000043
+                                              0x00020005 0x0000004d
+                                              0x00020006 0x00000058
+                                              0x00020007 0x00000063
+                                              0x00020008 0x0000006e
+
+                                              0x00030000 0x00000010
+                                              0x00030001 0x0000001c
+                                              0x00030002 0x00000029
+                                              0x00030003 0x00000036
+                                              0x00030004 0x00000042
+                                              0x00030005 0x0000004f
+                                              0x00030006 0x0000005b
+                                              0x00030007 0x00000068>;
+                       little-endian;
+                       #thermal-sensor-cells = <1>;
+               };
+
+               thermal-zones {
+                       core-cluster {
+                               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>;
+                                       };
+                               };
+                       };
+               };
+
                pcie@1f0000000 { /* Integrated Endpoint Root Complex */
                        compatible = "pci-host-ecam-generic";
                        reg = <0x01 0xf0000000 0x0 0x100000>;