mips: bmips: add Huawei HG556a gpio-leds

This board has several LEDs attached to gpio0.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/mips/dts/huawei,hg556a.dts

@@ -19,6 +19,79 @@
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		message_red {
+			label = "HG556a:red:message";
+			gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
+		};
+
+		hspa_red {
+			label = "HG556a:red:hspa";
+			gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+		};
+
+		dsl_red {
+			label = "HG556a:red:dsl";
+			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+		};
+
+		power_red {
+			label = "HG556a:red:power";
+			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+		};
+
+		all_red {
+			label = "HG556a:red:all";
+			gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
+		};
+
+		lan1_green {
+			label = "HG556a:green:lan1";
+			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
+		};
+
+		lan1_red {
+			label = "HG556a:red:lan1";
+			gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
+		};
+
+		lan2_green {
+			label = "HG556a:green:lan2";
+			gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
+		};
+
+		lan2_red {
+			label = "HG556a:red:lan2";
+			gpios = <&gpio0 22 GPIO_ACTIVE_LOW>;
+		};
+
+		lan3_green {
+			label = "HG556a:green:lan3";
+			gpios = <&gpio0 23 GPIO_ACTIVE_LOW>;
+		};
+
+		lan3_red {
+			label = "HG556a:red:lan3";
+			gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
+		};
+
+		lan4_green {
+			label = "HG556a:green:lan4";
+			gpios = <&gpio0 27 GPIO_ACTIVE_LOW>;
+		};
+
+		lan4_red {
+			label = "HG556a:red:lan4";
+			gpios = <&gpio0 28 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&gpio0 {
+	status = "okay";
 };
 
 &pflash {

configs/huawei_hg556a_ram_defconfig

@@ -1,5 +1,6 @@
 CONFIG_ARCH_BMIPS=y
 CONFIG_BAUDRATE=115200
+CONFIG_BCM6345_GPIO=y
 CONFIG_BCM6345_SERIAL=y
 CONFIG_BMIPS_BOOT_RAM=y
 CONFIG_BOARD_HUAWEI_HG556A=y
@@ -17,6 +18,7 @@ CONFIG_CMD_FLASH=y
 # CONFIG_CMD_GPIO is not set
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_IMPORTENV is not set
+CONFIG_CMD_LED=y
 CONFIG_CMD_LICENSE=y
 CONFIG_CMD_LOADB=y
 # CONFIG_CMD_LOADS is not set
@@ -32,6 +34,8 @@ CONFIG_DISPLAY_CPUINFO=y
 CONFIG_DM_GPIO=y
 CONFIG_DM_SERIAL=y
 CONFIG_HUSH_PARSER=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
 CONFIG_MIPS=y
 # CONFIG_MIPS_BOOT_CMDLINE_LEGACY is not set
 # CONFIG_MIPS_BOOT_ENV_LEGACY is not set