ramips: RB750Gr3: Add pwr LED and buzzer to DTS

use pwr LED in diag.sh
Expose unused pinmux pins as GPIOs
export power LED and buzzer pins
Use rb750gr3:blue:pwr LED in diag.sh for boot status instead of rb750gr3:green:usr

Signed-off-by: Andrew Yong <me@ndoo.sg>

diff --git a/target/linux/ramips/base-files/etc/diag.sh b/target/linux/ramips/base-files/etc/diag.sh
index a7b8ae0b06480d5320a6c276ef6bc9f75a4325a9..6bcdc0f5bcaf634c9375fd61b9f5e207baba9597 100644 (file)
--- a/target/linux/ramips/base-files/etc/diag.sh
+++ b/target/linux/ramips/base-files/etc/diag.sh
@@ -191,7 +191,7 @@ get_status_led() {
                status_led="$board:green:wps"
                ;;
        rb750gr3)
-               status_led="$board:green:usr"
+               status_led="$board:blue:pwr"
                ;;
        sap-g3200u3)
                status_led="$board:green:usb"

diff --git a/target/linux/ramips/dts/RB750Gr3.dts b/target/linux/ramips/dts/RB750Gr3.dts
index bf1c2ba495bc1634eb4f405e59d3d82fb5b4d640..756010a550f2e52dd359243275f593118bc089b8 100644 (file)
--- a/target/linux/ramips/dts/RB750Gr3.dts
+++ b/target/linux/ramips/dts/RB750Gr3.dts
@@ -20,6 +20,11 @@
        gpio-leds {
                compatible = "gpio-leds";
 
+               pwr {
+                       label = "rb750gr3:blue:pwr";
+                       gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
+               };
+
                usr {
                        label = "rb750gr3:green:usr";
                        gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
@@ -49,6 +54,12 @@
                compatible = "gpio-export";
                #size-cells = <0>;
 
+               buzzer {
+                       gpio-export,name = "buzzer";
+                       gpio-export,output = <0>;
+                       gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
+               };
+
                usb {
                        gpio-export,name = "usb";
                        gpio-export,output = <1>;
@@ -102,7 +113,7 @@
 &pinctrl {
        state_default: pinctrl0 {
                gpio {
-                       ralink,group = "i2c", "rgmii2", "sdhci";
+                       ralink,group = "i2c", "uart2", "uart3", "pcie", "rgmii2", "jtag";
                        ralink,function = "gpio";
                };
        };