arm64: dts: mediatek: mt7981b-openwrt-one: Enable software leds

The openwrt has 3 status leds at the front:
* red: Used as failsafe led by openwrt
* white: Used as boot led by openwrt
* green: Used as running/upgrade led by openwrt

On the back each RJ45 jack has the typical amber/green leds. For the WAN
jack this is hardware controlled by the phy, for LAN these are under
software control and enabled by this patch.

Signed-off-by: Sjoerd Simons <sjoerd@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts b/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
index 6bb98629f453655e98a5ae11e1adaede7d1c8ea3..2e39e72877301771222dd9005e1c7646c83e0058 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
@@ -3,6 +3,8 @@
 /dts-v1/;
 
 #include "mt7981b.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
 #include "dt-bindings/pinctrl/mt65xx.h"
 
 / {
@@ -21,9 +23,60 @@
                reg = <0 0x40000000 0 0x40000000>;
                device_type = "memory";
        };
+
+       pwm-leds {
+               compatible = "pwm-leds";
+
+               led-0 {
+                       color = <LED_COLOR_ID_WHITE>;
+                       default-brightness = <0>;
+                       function = LED_FUNCTION_STATUS;
+                       max-brightness = <255>;
+                       pwms = <&pwm 0 10000>;
+               };
+
+               led-1 {
+                       color = <LED_COLOR_ID_GREEN>;
+                       default-brightness = <0>;
+                       function = LED_FUNCTION_STATUS;
+                       max-brightness = <255>;
+                       pwms = <&pwm 1 10000>;
+               };
+       };
+
+       gpio-leds {
+               compatible = "gpio-leds";
+
+               led-0 {
+                       color = <LED_COLOR_ID_RED>;
+                       function = LED_FUNCTION_STATUS;
+                       gpios = <&pio 9 GPIO_ACTIVE_HIGH>;
+               };
+
+               led-1 {
+                       color = <LED_COLOR_ID_AMBER>;
+                       function = LED_FUNCTION_LAN;
+                       gpios = <&pio 34 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "netdev";
+               };
+
+               led-2 {
+                       color = <LED_COLOR_ID_GREEN>;
+                       function = LED_FUNCTION_LAN;
+                       gpios = <&pio 35 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "netdev";
+               };
+       };
 };
 
 &pio {
+       pwm_pins: pwm-pins {
+               mux {
+                       function = "pwm";
+                       groups = "pwm0_0", "pwm1_1";
+               };
+       };
+
        spi2_flash_pins: spi2-pins {
                mux {
                        function = "spi";
@@ -44,6 +97,12 @@
        };
 };
 
+&pwm {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pwm_pins>;
+       status = "okay";
+};
+
 &spi2 {
        pinctrl-names = "default";
        pinctrl-0 = <&spi2_flash_pins>;

diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index f00e5bf63de35096c4eb3fe8604bd0cf895d735f..416096b80770cc4e607d9fd4e69bf6c63f166daf 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -94,7 +94,7 @@
                        #clock-cells = <1>;
                };
 
-               pwm@10048000 {
+               pwm: pwm@10048000 {
                        compatible = "mediatek,mt7981-pwm";
                        reg = <0 0x10048000 0 0x1000>;
                        clocks = <&infracfg CLK_INFRA_PWM_STA>,