[PATCH v4 2/2] arm64: dts: meson-khadas-vim3: add Khadas MCU nodes

From: Neil Armstrong
Date: Thu Jun 18 2020 - 09:38:39 EST


Add the Khadas MCU node with active FAN thermal nodes for all the
Khadas VIM3 variants.

Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
Reviewed-by: Amit Kucheria <amit.kucheria@xxxxxxxxxx>
---
Hi Kevin,

The bindings has been reviewed and merged by Lee,
could you apply this one via the amlogic tree ?

Thanks,
Neil

.../boot/dts/amlogic/meson-khadas-vim3.dtsi | 23 +++++++++++++++++++
1 file changed, 23 insertions(+)

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>;
--
2.22.0