[U-Boot] [PATCH 7/8] imx: imx8dx/qxp: enable thermal

Peng Fan
2019-04-12T07:55:09Z

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(+)

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
--
2.16.4