diff options
| author | Vitor Massaru Iha <vitor@massaru.org> | 2020-03-02 22:15:16 -0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2020-03-11 16:25:29 +0800 |
| commit | c5486819d26339d398f0972a528e189a3db1427e (patch) | |
| tree | 6b00ee2a0c3fda9ae1851e63013e1c3580a174ab /arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts | |
| parent | f93f1e721cc7c5e6af7f1b2ada62b1c7b3a93426 (diff) | |
arm64: dts: imx8mq-phanbell: Add gpio-fan/thermal support
It was based on Google Source Code for Coral Edge TPU Mendel release:
https://coral.googlesource.com/linux-imx/
It was tested on Coral Dev Board using this command:
sudo stress --cpu 4 --timeout 3600
Signed-off-by: Vitor Massaru Iha <vitor@massaru.org>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts b/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts index 16ed13c44a47..1a04d01acc18 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts @@ -35,6 +35,16 @@ gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + fan: gpio-fan { + compatible = "gpio-fan"; + gpio-fan,speed-map = <0 0 8600 1>; + gpios = <&gpio3 5 GPIO_ACTIVE_HIGH>; + #cooling-cells = <2>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpio_fan>; + status = "okay"; + }; }; &A53_0 { @@ -53,6 +63,53 @@ cpu-supply = <&buck2>; }; +&cpu_thermal { + trips { + cpu_alert0: trip0 { + temperature = <75000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_alert1: trip1 { + temperature = <80000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_crit0: trip3 { + temperature = <90000>; + hysteresis = <2000>; + type = "critical"; + }; + + fan_toggle0: trip4 { + temperature = <65000>; + hysteresis = <10000>; + type = "active"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = + <&A53_0 0 1>; /* Exclude highest OPP */ + }; + + map1 { + trip = <&cpu_alert1>; + cooling-device = + <&A53_0 0 2>; /* Exclude two highest OPPs */ + }; + + map4 { + trip = <&fan_toggle0>; + cooling-device = <&fan 0 1>; + }; + }; +}; + &i2c1 { clock-frequency = <400000>; pinctrl-names = "default"; @@ -295,6 +352,12 @@ >; }; + pinctrl_gpio_fan: gpiofangrp { + fsl,pins = < + MX8MQ_IOMUXC_NAND_CLE_GPIO3_IO5 0x16 + >; + }; + pinctrl_i2c1: i2c1grp { fsl,pins = < MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL 0x4000007f |