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Date: Thu, 19 Mar 2015 15:57:28 +0800
From: kongxinwei <kong.kongxinwei@...ilicon.com>
To: <rui.zhuang@...el.com>, <edubezval@...il.com>
CC: <linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <linuxarm@...wei.com>,
<devicetree@...r.kernel.org>, <liguozhu@...ilicon.com>,
<xuwei5@...ilicon.com>
Subject: [PATCH 2/3] dts: hi6220: enable thermal sensor for hisilicon SoC
There have two parts for thermal sensor:
1. The first part is related with thermal sensor, every sensor need to
pass the sensor id, the threshold and reset temperature; so the sensor
will be registered as sensor devices;
2. The second part is related with thermal zones, in this part it will
define the thermal zones and which sensor device should be bound to. it
also need specify the polling interval for every thermal zone.
Signed-off-by: Leo Yan <leo.yan@...aro.org>
Signed-off-by: kongxinwei <kong.kongxinwei@...ilicon.com>
---
arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 153 ++++++++++++++++++++++++++++++
1 file changed, 153 insertions(+)
create mode 100644 arch/arm64/boot/dts/hisilicon/hi6220.dtsi
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
new file mode 100644
index 0000000..da49790
--- /dev/null
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
@@ -0,0 +1,153 @@
+
+#include <dt-bindings/thermal/thermal.h>
+
+/ {
+
+ tsensor: tsensor@0,f7030700 {
+ compatible = "hisilicon,tsensor";
+ reg = <0x0 0xf7030700 0x0 0x1000>;
+ interrupts = <0 7 0x4>;
+ clocks = <&clock_sys HI6220_TSENSOR_CLK>;
+ clock-names = "thermal_clk";
+ #thermal-sensor-cells = <1>;
+
+ local_sensor {
+ hisilicon,tsensor-id = <0>;
+ hisilicon,tsensor-thres-temp = <80000>;
+ hisilicon,tsensor-reset-temp = <100000>;
+ hisilicon,tsensor-bind-irq;
+ };
+
+ acpu1_sensor {
+ hisilicon,tsensor-id = <1>;
+ hisilicon,tsensor-thres-temp = <80000>;
+ hisilicon,tsensor-reset-temp = <100000>;
+ };
+
+ acpu0_sensor {
+ hisilicon,tsensor-id = <2>;
+ hisilicon,tsensor-thres-temp = <80000>;
+ hisilicon,tsensor-reset-temp = <100000>;
+ };
+
+ gpu_sensor {
+ hisilicon,tsensor-id = <3>;
+ hisilicon,tsensor-thres-temp = <80000>;
+ hisilicon,tsensor-reset-temp = <100000>;
+ };
+ };
+
+ thermal-zones {
+ local: local {
+ /* milliseconds */
+ polling-delay-passive = <1000>;
+ /* milliseconds */
+ polling-delay = <5000>;
+
+ /* sensor ID */
+ thermal-sensors = <&tsensor 0>;
+
+ trips {
+ local_alert: local_alert {
+ /* millicelsius */
+ temperature = <70000>;
+ /* millicelsius */
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ local_crit: local_crit {
+ temperature = <90000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ /* There are currently no cooling maps
+ because there are no cooling devices */
+ };
+ };
+
+ cluster1: cluster1 {
+ polling-delay-passive = <1000>;
+ polling-delay = <5000>;
+
+ /* sensor ID */
+ thermal-sensors = <&tsensor 1>;
+
+ trips {
+ cluster1_alert: cluster1_alert {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cluster1_crit: cluster1_crit {
+ temperature = <90000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ /* There are currently no cooling maps
+ because there are no cooling devices */
+ };
+ };
+
+ cluster0: cluster0 {
+ polling-delay-passive = <1000>;
+ polling-delay = <5000>;
+
+ /* sensor ID */
+ thermal-sensors = <&tsensor 2>;
+
+ trips {
+ cluster0_alert: cluster0_alert {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cluster0_crit: cluster0_crit {
+ temperature = <90000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cluster0_alert>;
+ cooling-device =
+ <&cpu0 THERMAL_NO_LIMIT
+ THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ gpu: gpu {
+ polling-delay-passive = <1000>;
+ polling-delay = <5000>;
+
+ /* sensor ID */
+ thermal-sensors = <&tsensor 3>;
+
+ trips {
+ gpu_alert: gpu_alert {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ gpu_crit: gpu_crit {
+ temperature = <90000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ /* There are currently no cooling maps
+ because there are no cooling devices */
+ };
+ };
+ };
+}
--
1.9.1
--
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