MIPS: BMIPS: Add device tree example for BCM63268

This adds a device tree example for Comtrend VR-3032u, which
also serves as a real example for brcm,bcm6328-leds.
Signed-off-by: NÁlvaro Fernández Rojas <noltari@gmail.com>
Cc: f.fainelli@gmail.com
Cc: jogo@openwrt.org
Cc: cernekee@gmail.com
Cc: robh@kernel.org
Cc: simon@fire.lp0.eu
Cc: john@phrozen.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13842/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/bmips/Kconfig

@@ -61,6 +61,10 @@ config DT_BCM97435SVMB
 	bool "BCM97435SVMB"
 	select BUILTIN_DTB
 
+config DT_COMTREND_VR3032U
+	bool "Comtrend VR-3032u"
+	select BUILTIN_DTB
+
 config DT_SFR_NEUFBOX4_SERCOMM
 	bool "SFR Neufbox 4 (Sercomm)"
 	select BUILTIN_DTB

arch/mips/boot/dts/brcm/Makefile

@@ -10,10 +10,12 @@ dtb-$(CONFIG_DT_BCM97362SVMB)		+= bcm97362svmb.dtb
 dtb-$(CONFIG_DT_BCM97420C)		+= bcm97420c.dtb
 dtb-$(CONFIG_DT_BCM97425SVMB)		+= bcm97425svmb.dtb
 dtb-$(CONFIG_DT_BCM97435SVMB)		+= bcm97435svmb.dtb
+dtb-$(CONFIG_DT_COMTREND_VR3032U)	+= bcm63268-comtrend-vr-3032u.dtb
 dtb-$(CONFIG_DT_SFR_NEUFBOX4_SERCOMM)	+= bcm6358-neufbox4-sercomm.dtb
 
 dtb-$(CONFIG_DT_NONE) += \
 	bcm6358-neufbox4-sercomm.dtb \
+	bcm63268-comtrend-vr-3032u.dtb \
 	bcm93384wvg.dtb \
 	bcm93384wvg_viper.dtb \
 	bcm96358nb4ser.dtb \

arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts

+/dts-v1/;
+
+/include/ "bcm63268.dtsi"
+
+/ {
+	compatible = "comtrend,vr-3032u", "brcm,bcm63268";
+	model = "Comtrend VR-3032u";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x00000000 0x04000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+		stdout-path = &uart0;
+	};
+};
+
+&leds0 {
+	status = "ok";
+	brcm,serial-leds;
+	brcm,serial-dat-low;
+	brcm,serial-shift-inv;
+
+	led@0 {
+		reg = <0>;
+		brcm,hardware-controlled;
+		brcm,link-signal-sources = <0>;
+		/* GPHY0 Speed 0 */
+	};
+	led@1 {
+		reg = <1>;
+		brcm,hardware-controlled;
+		brcm,link-signal-sources = <1>;
+		/* GPHY0 Speed 1 */
+	};
+	led@2 {
+		reg = <2>;
+		active-low;
+		label = "vr-3032u:red:inet";
+	};
+	led@3 {
+		reg = <3>;
+		active-low;
+		label = "vr-3032u:green:dsl";
+	};
+	led@4 {
+		reg = <4>;
+		active-low;
+		label = "vr-3032u:green:usb";
+	};
+	led@7 {
+		reg = <7>;
+		active-low;
+		label = "vr-3032u:green:wps";
+	};
+	led@8 {
+		reg = <8>;
+		active-low;
+		label = "vr-3032u:green:inet";
+	};
+	led@9 {
+		reg = <9>;
+		brcm,hardware-controlled;
+		/* EPHY0 Activity */
+	};
+	led@10 {
+		reg = <10>;
+		brcm,hardware-controlled;
+		/* EPHY1 Activity */
+	};
+	led@11 {
+		reg = <11>;
+		brcm,hardware-controlled;
+		/* EPHY2 Activity */
+	};
+	led@12 {
+		reg = <12>;
+		brcm,hardware-controlled;
+		/* GPHY0 Activity */
+	};
+	led@13 {
+		reg = <13>;
+		brcm,hardware-controlled;
+		/* EPHY0 Speed */
+	};
+	led@14 {
+		reg = <14>;
+		brcm,hardware-controlled;
+		/* EPHY1 Speed */
+	};
+	led@15 {
+		reg = <15>;
+		brcm,hardware-controlled;
+		/* EPHY2 Speed */
+	};
+	led@20 {
+		reg = <20>;
+		active-low;
+		label = "vr-3032u:green:power";
+		default-state = "on";
+	};
+};
+
+&uart0 {
+	status = "okay";
+};

arch/mips/boot/dts/brcm/bcm63268.dtsi

+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "brcm,bcm63268";
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		mips-hpt-frequency = <200000000>;
+
+		cpu@0 {
+			compatible = "brcm,bmips4350";
+			device_type = "cpu";
+			reg = <0>;
+		};
+
+		cpu@1 {
+			compatible = "brcm,bmips4350";
+			device_type = "cpu";
+			reg = <1>;
+		};
+	};
+
+	clocks {
+		periph_clk: periph-clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <50000000>;
+		};
+	};
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+	};
+
+	cpu_intc: interrupt-controller {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
+	ubus {
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		compatible = "simple-bus";
+		ranges;
+
+		periph_cntl: syscon@10000000 {
+			compatible = "syscon";
+			reg = <0x10000000 0x14>;
+			native-endian;
+		};
+
+		reboot: syscon-reboot@10000008 {
+			compatible = "syscon-reboot";
+			regmap = <&periph_cntl>;
+			offset = <0x8>;
+			mask = <0x1>;
+		};
+
+		periph_intc: interrupt-controller@10000020 {
+			compatible = "brcm,bcm6345-l1-intc";
+			reg = <0x10000020 0x20>,
+			      <0x10000040 0x20>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <2>, <3>;
+		};
+
+		uart0: serial@10000180 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x10000180 0x18>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <5>;
+
+			clocks = <&periph_clk>;
+
+			status = "disabled";
+		};
+
+		uart1: serial@100001a0 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x100001a0 0x18>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <34>;
+
+			clocks = <&periph_clk>;
+
+			status = "disabled";
+		};
+
+		leds0: led-controller@10001900 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "brcm,bcm6328-leds";
+			reg = <0x10001900 0x24>;
+
+			status = "disabled";
+		};
+
+		ehci: usb@10002500 {
+			compatible = "brcm,bcm63268-ehci", "generic-ehci";
+			reg = <0x10002500 0x100>;
+			big-endian;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <10>;
+
+			status = "disabled";
+		};
+
+		ohci: usb@10002600 {
+			compatible = "brcm,bcm63268-ohci", "generic-ohci";
+			reg = <0x10002600 0x100>;
+			big-endian;
+			no-big-frame-no;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <9>;
+
+			status = "disabled";
+		};
+	};
+};