[U-Boot,7/8] imx: imx8dx/qxp: enable thermal
diff mbox series

Message ID 20190412080741.32412-7-peng.fan@nxp.com
State Under Review
Delegated to: Stefano Babic
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Series
  • [U-Boot,1/8] imx: sip: add call_imx_sip_ret2
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Commit Message

Peng Fan April 12, 2019, 7:55 a.m. UTC
Add thermal dts node
Enable thermal in defconfig

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm/dts/fsl-imx8dx.dtsi  | 56 +++++++++++++++++++++++++++++++++++++++++++
 configs/imx8qxp_mek_defconfig |  2 ++
 2 files changed, 58 insertions(+)

Patch
diff mbox series

diff --git a/arch/arm/dts/fsl-imx8dx.dtsi b/arch/arm/dts/fsl-imx8dx.dtsi
index 3b1a2a20e3..1c163afdcd 100644
--- a/arch/arm/dts/fsl-imx8dx.dtsi
+++ b/arch/arm/dts/fsl-imx8dx.dtsi
@@ -11,6 +11,7 @@ 
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/pads-imx8qxp.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	model = "Freescale i.MX8DX";
@@ -489,6 +490,61 @@ 
 		power-domains = <&pd_conn_enet1>;
 		status = "disabled";
 	};
+
+	tsens: thermal-sensor {
+		compatible = "nxp,imx8qxp-sc-tsens";
+		/* number of the temp sensor on the chip */
+		tsens-num = <2>;
+		#thermal-sensor-cells = <1>;
+	};
+
+	thermal_zones: thermal-zones {
+		/* cpu thermal */
+		cpu-thermal0 {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			/*the slope and offset of the temp sensor */
+			thermal-sensors = <&tsens 0>;
+			trips {
+				cpu_alert0: trip0 {
+					temperature = <107000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				cpu_crit0: trip1 {
+					temperature = <127000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert0>;
+					cooling-device =
+					<&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		drc-thermal0 {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&tsens 1>;
+			status = "disabled";
+			trips {
+				drc_alert0: trip0 {
+					temperature = <107000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				drc_crit0: trip1 {
+					temperature = <127000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+	};
 };
 
 &A35_0 {
diff --git a/configs/imx8qxp_mek_defconfig b/configs/imx8qxp_mek_defconfig
index 14e9da386a..f0da489645 100644
--- a/configs/imx8qxp_mek_defconfig
+++ b/configs/imx8qxp_mek_defconfig
@@ -73,5 +73,7 @@  CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_SPL_DM_REGULATOR_GPIO=y
 CONFIG_DM_SERIAL=y
 CONFIG_FSL_LPUART=y
+CONFIG_DM_THERMAL=y
+CONFIG_IMX_SCU_THERMAL=y
 CONFIG_SPL_TINY_MEMSET=y
 # CONFIG_EFI_LOADER is not set