diff options
| author | Alexander Stein <alexander.stein@ew.tq-group.com> | 2022-11-01 10:06:42 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-11-11 13:01:44 +0800 |
| commit | 534d4f66b31b4a7fa35eec69ee24928c2f189c5d (patch) | |
| tree | a09d1b912f3654c914a88e14e1540fd1fa32ebc9 | |
| parent | 630ecc93c30e6b3d8177cca2cf3b8c694544500d (diff) | |
arm64: dts: mba8mpxl: Add PWM fan support
This adds the support for optional PWM fan 422J/2HP.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts index 3165044e87f4..6357f3d96ccd 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts @@ -55,6 +55,21 @@ clock-frequency = <25000000>; }; + fan0: pwm-fan { + compatible = "pwm-fan"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwmfan>; + fan-supply = <®_pwm_fan>; + #cooling-cells = <2>; + /* typical 25 kHz -> 40.000 nsec */ + pwms = <&pwm3 0 40000 PWM_POLARITY_INVERTED>; + cooling-levels = <0 32 64 128 196 240>; + pulses-per-revolution = <2>; + interrupt-parent = <&gpio5>; + interrupts = <18 IRQ_TYPE_EDGE_FALLING>; + status = "disabled"; + }; + gpio-keys { compatible = "gpio-keys"; pinctrl-names = "default"; @@ -115,6 +130,18 @@ status = "disabled"; }; + reg_pwm_fan: regulator-pwm-fan { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_regpwmfan>; + regulator-name = "FAN_PWR"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <®_vcc_12v0>; + }; + reg_usdhc2_vmmc: regulator-usdhc2 { compatible = "regulator-fixed"; pinctrl-names = "default"; @@ -172,6 +199,47 @@ linux,cma-default; }; }; + + thermal-zones { + soc-thermal { + trips { + soc_active0: trip-active0 { + temperature = <40000>; + hysteresis = <5000>; + type = "active"; + }; + + soc_active1: trip-active1 { + temperature = <48000>; + hysteresis = <3000>; + type = "active"; + }; + + soc_active2: trip-active2 { + temperature = <60000>; + hysteresis = <10000>; + type = "active"; + }; + }; + + cooling-maps { + map1 { + trip = <&soc_active0>; + cooling-device = <&fan0 1 1>; + }; + + map2 { + trip = <&soc_active1>; + cooling-device = <&fan0 2 2>; + }; + + map3 { + trip = <&soc_active2>; + cooling-device = <&fan0 3 3>; + }; + }; + }; + }; }; &ecspi1 { @@ -762,10 +830,18 @@ fsl,pins = <MX8MP_IOMUXC_I2C3_SDA__PWM3_OUT 0x14>; }; + pinctrl_pwmfan: pwmfangrp { + fsl,pins = <MX8MP_IOMUXC_I2C3_SCL__GPIO5_IO18 0x80>; /* FAN RPM */ + }; + pinctrl_reg12v0: reg12v0grp { fsl,pins = <MX8MP_IOMUXC_SD1_DATA4__GPIO2_IO06 0x140>; /* VCC12V enable */ }; + pinctrl_regpwmfan: regpwmfangrp { + fsl,pins = <MX8MP_IOMUXC_SAI2_MCLK__GPIO4_IO27 0x80>; + }; + /* X61 */ pinctrl_uart1: uart1grp { fsl,pins = <MX8MP_IOMUXC_SD1_CLK__UART1_DCE_TX 0x140>, |