@@ -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>;
@@ -463,6 +471,12 @@ IMX95_PAD_GPIO_IO21__SAI3_TX_DATA_BIT0 0x31e
>;
};
+ pinctrl_tpm6: tpm6grp {
+ fsl,pins = <
+ IMX95_PAD_GPIO_IO19__TPM6_CH2 0x51e
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
IMX95_PAD_UART1_RXD__AONMIX_TOP_LPUART1_RX 0x31e
@@ -566,3 +580,50 @@ 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>;
+ };
+ };
+ };
+};
+
+&tpm6 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_tpm6>;
+ status = "okay";
+};
Add pwm fan and overwrite default thermal nodes. Signed-off-by: Frank Li <Frank.Li@nxp.com> --- Change from v1 to v2 - Add tpm6 node --- .../boot/dts/freescale/imx95-19x19-evk.dts | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+)