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: Álvaro 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: Ralf Baechle <ralf@linux-mips.org>

3 files changed, 244 insertions, 0 deletions

diff --git a/arch/mips/boot/dts/brcm/Makefile b/arch/mips/boot/dts/brcm/Makefile
index 0abe298b6a5d..8281ec65d436 100644
--- a/arch/mips/boot/dts/brcm/Makefile
+++ b/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 \
diff --git a/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts b/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts
new file mode 100644
index 000000000000..430d35ca33d5
--- /dev/null
+++ b/arch/mips/boot/dts/brcm/bcm63268-comtrend-vr-3032u.dts
@@ -0,0 +1,108 @@
+/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";
+};
diff --git a/arch/mips/boot/dts/brcm/bcm63268.dtsi b/arch/mips/boot/dts/brcm/bcm63268.dtsi
new file mode 100644
index 000000000000..7e6bf2cc0287
--- /dev/null
+++ b/arch/mips/boot/dts/brcm/bcm63268.dtsi
@@ -0,0 +1,134 @@
+/ {
+        #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";
+                };
+        };
+};