mvebu: puzzle-m901: add LEDs, fan and reset button

Wire up MCU driver for LEDs, fan and temperature sensor, and add
GPIO reset button just like on the M902 also on the Puzzle M901.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3684b494ddd540b811de44497f0d11309bfd1911)

diff --git a/target/linux/mvebu/files/arch/arm64/boot/dts/marvell/cn9131-puzzle-m901.dts b/target/linux/mvebu/files/arch/arm64/boot/dts/marvell/cn9131-puzzle-m901.dts
index 58e749490a1fa7d9abbcefc66a33c0caef8055b0..acf2ed6422602cbdb6e642fc4cf12520392c3f47 100644 (file)
--- a/target/linux/mvebu/files/arch/arm64/boot/dts/marvell/cn9131-puzzle-m901.dts
+++ b/target/linux/mvebu/files/arch/arm64/boot/dts/marvell/cn9131-puzzle-m901.dts
@@ -8,6 +8,7 @@
 #include "cn9130.dtsi"
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 
 / {
        model = "iEi Puzzle-M901";
@@ -31,12 +32,26 @@
                gpio2 = &cp0_gpio2;
                gpio3 = &cp1_gpio1;
                gpio4 = &cp1_gpio2;
+               led-boot = &led_power;
+               led-failsafe = &led_info;
+               led-running = &led_power;
+               led-upgrade = &led_info;
        };
 
        memory@00000000 {
                device_type = "memory";
                reg = <0x0 0x0 0x0 0x80000000>;
        };
+
+       gpio_keys {
+               compatible = "gpio-keys";
+
+               reset {
+                       label = "Reset";
+                       linux,code = <KEY_RESTART>;
+                       gpios = <&cp0_gpio2 4 GPIO_ACTIVE_LOW>;
+               };
+       };
 };
 
 &uart0 {
@@ -45,6 +60,75 @@
 
 &cp0_uart0 {
        status = "okay";
+
+       puzzle-mcu {
+               compatible = "iei,wt61p803-puzzle";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               current-speed = <115200>;
+               enable-beep;
+               status = "okay";
+
+               leds {
+                       compatible = "iei,wt61p803-puzzle-leds";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "okay";
+
+                       led@0 {
+                               reg = <0>;
+                               label = "white:network";
+                               active-low;
+                       };
+
+                       led@1 {
+                               reg = <1>;
+                               label = "green:cloud";
+                               active-low;
+                       };
+
+                       led_info: led@2 {
+                               reg = <2>;
+                               label = "orange:info";
+                               active-low;
+                       };
+
+                       led_power: led@3 {
+                               reg = <3>;
+                               label = "yellow:power";
+                               active-low;
+                               default-state = "on";
+                       };
+               };
+
+               hwmon {
+                       compatible = "iei,wt61p803-puzzle-hwmon";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       chassis_fan_group0: fan-group@0 {
+                               #cooling-cells = <2>;
+                               reg = <0x00>;
+                               cooling-levels = <64 102 170 230 250>;
+                       };
+               };
+       };
+};
+
+&ap_thermal_cpu1 {
+       trips {
+               cpu_active: cpu-active {
+                       temperature = <44000>;
+                       hysteresis = <2000>;
+                       type = "active";
+               };
+       };
+       cooling-maps {
+               fan-map {
+                       trip = <&cpu_active>;
+                       cooling-device = <&chassis_fan_group0 64 THERMAL_NO_LIMIT>;
+               };
+       };
 };
 
 /* on-board eMMC - U9 */