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authorNeil Armstrong <narmstrong@baylibre.com>2020-07-13 08:59:31 +0200
committerKevin Hilman <khilman@baylibre.com>2020-07-13 11:50:32 -0700
commitcabb1f3827109372dcb80081cc654eb54f997afc (patch)
treea91036c9e45691a13b58a74db940e1f05b12920a /arch
parentb3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff)
downloadlinux-cabb1f3827109372dcb80081cc654eb54f997afc.tar.bz2
arm64: dts: meson-khadas-vim3: add Khadas MCU nodes
Add the Khadas MCU node with active FAN thermal nodes for all the Khadas VIM3 variants. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Link: https://lore.kernel.org/r/20200713065931.19845-1-narmstrong@baylibre.com
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
index 1ef1e3672b96..27408c10a811 100644
--- a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi
@@ -183,6 +183,23 @@
hdmi-phandle = <&hdmi_tx>;
};
+&cpu_thermal {
+ trips {
+ cpu_active: cpu-active {
+ temperature = <80000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "active";
+ };
+ };
+
+ cooling-maps {
+ map {
+ trip = <&cpu_active>;
+ cooling-device = <&khadas_mcu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+};
+
&ext_mdio {
external_phy: ethernet-phy@0 {
/* Realtek RTL8211F (0x001cc916) */
@@ -222,6 +239,12 @@
pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
pinctrl-names = "default";
+ khadas_mcu: system-controller@18 {
+ compatible = "khadas,mcu";
+ reg = <0x18>;
+ #cooling-cells = <2>;
+ };
+
gpio_expander: gpio-controller@20 {
compatible = "ti,tca6408";
reg = <0x20>;