Add pwm fan and overwrite default thermal nodes.
Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
.../boot/dts/freescale/imx95-19x19-evk.dts | 49 +++++++++++++++++++
1 file changed, 49 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
index ed8921d6217b8..0c84efd058ce1 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -5,6 +5,7 @@
/dts-v1/;
+#include <dt-bindings/pwm/pwm.h>
#include "imx95.dtsi"
/ {
@@ -31,6 +32,13 @@ memory@80000000 {
reg = <0x0 0x80000000 0 0x80000000>;
};
+ fan0: pwm-fan {
+ compatible = "pwm-fan";
+ #cooling-cells = <2>;
+ pwms = <&tpm6 2 4000000 PWM_POLARITY_INVERTED>;
+ cooling-levels = <64 128 192 255>;
+ };
+
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
@@ -558,3 +566,44 @@ IMX95_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
>;
};
};
+
+&thermal_zones {
+ a55-thermal {
+ trips {
+ atrip2: trip2 {
+ temperature = <55000>;
+ hysteresis = <2000>;
+ type = "active";
+ };
+
+ atrip3: trip3 {
+ temperature = <65000>;
+ hysteresis = <2000>;
+ type = "active";
+ };
+
+ atrip4: trip4 {
+ temperature = <75000>;
+ hysteresis = <2000>;
+ type = "active";
+ };
+ };
+
+ cooling-maps {
+ map1 {
+ trip = <&atrip2>;
+ cooling-device = <&fan0 0 1>;
+ };
+
+ map2 {
+ trip = <&atrip3>;
+ cooling-device = <&fan0 1 2>;
+ };
+
+ map3 {
+ trip = <&atrip4>;
+ cooling-device = <&fan0 2 3>;
+ };
+ };
+ };
+};
--
2.34.1
