Commit 534d4f66 authored by Alexander Stein's avatar Alexander Stein Committed by Shawn Guo
Browse files

arm64: dts: mba8mpxl: Add PWM fan support 



This adds the support for optional PWM fan 422J/2HP.

Signed-off-by: default avatarAlexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 630ecc93

arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts

+76 −0
Original line number Diff line number Diff line
@@ -55,6 +55,21 @@ 
		clock-frequency = <25000000>;

	};



	fan0: pwm-fan {

		compatible = "pwm-fan";

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_pwmfan>;

		fan-supply = <&reg_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 = <&reg_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>,