diff options
| author | Frank Li <Frank.Li@nxp.com> | 2024-07-01 23:07:28 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2024-08-05 11:07:10 +0300 |
| commit | 7500e5b3706e4f9a35aba017a0fd705d999e4285 (patch) | |
| tree | d3e6a62785514eb9e90c3f9a1c1bec9082e77a2f | |
| parent | 3d282d5cc8a8d8ec152ff4151053da6880a246ff (diff) | |
| download | linux-7500e5b3706e4f9a35aba017a0fd705d999e4285.tar.xz | |
arm64: dts: imx95-19x19-evk: add pwm fan control
Add pwm fan and overwrite default thermal nodes.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts index 2b820a961c17..37a1d4ca1b20 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 @@ 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 @@ >; }; + 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 @@ >; }; }; + +&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"; +}; |