MIPS: SEAD3: Probe UARTs using DT

[karo-tx-linux.git] / arch / mips / boot / dts / mti / sead3.dts

diff --git a/arch/mips/boot/dts/mti/sead3.dts b/arch/mips/boot/dts/mti/sead3.dts
index e4b317d414f112576bbd04012381ab6804dabf86..3f681c5300824c5ff497a9f97debc248fdec2a3f 100644 (file)
--- a/arch/mips/boot/dts/mti/sead3.dts
+++ b/arch/mips/boot/dts/mti/sead3.dts
@@ -4,10 +4,22 @@
 /memreserve/ 0x00001000 0x000ef000;    // ROM data
 /memreserve/ 0x000f0000 0x004cc000;    // reserved
 
+#include <dt-bindings/interrupt-controller/mips-gic.h>
+
 / {
        #address-cells = <1>;
        #size-cells = <1>;
        compatible = "mti,sead-3";
+       interrupt-parent = <&gic>;
+
+       chosen {
+               stdout-path = "uart1:115200";
+       };
+
+       aliases {
+               uart0 = &uart0;
+               uart1 = &uart1;
+       };
 
        cpus {
                cpu@0 {
@@ -19,4 +31,60 @@
                device_type = "memory";
                reg = <0x0 0x08000000>;
        };
+
+       cpu_intc: interrupt-controller {
+               compatible = "mti,cpu-interrupt-controller";
+
+               interrupt-controller;
+               #interrupt-cells = <1>;
+       };
+
+       gic: interrupt-controller@1b1c0000 {
+               compatible = "mti,gic";
+               reg = <0x1b1c0000 0x20000>;
+
+               interrupt-controller;
+               #interrupt-cells = <3>;
+
+               /*
+                * Declare the interrupt-parent even though the mti,gic
+                * binding doesn't require it, such that the kernel can
+                * figure out that cpu_intc is the root interrupt
+                * controller & should be probed first.
+                */
+               interrupt-parent = <&cpu_intc>;
+
+               timer {
+                       compatible = "mti,gic-timer";
+                       interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
+               };
+       };
+
+       /* UART connected to FTDI & miniUSB socket */
+       uart0: uart@1f000900 {
+               compatible = "ns16550a";
+               reg = <0x1f000900 0x20>;
+               reg-io-width = <4>;
+               reg-shift = <2>;
+
+               clock-frequency = <14745600>;
+
+               interrupts = <3>; /* GIC 3 or CPU 4 */
+
+               no-loopback-test;
+       };
+
+       /* UART connected to RS232 socket */
+       uart1: uart@1f000800 {
+               compatible = "ns16550a";
+               reg = <0x1f000800 0x20>;
+               reg-io-width = <4>;
+               reg-shift = <2>;
+
+               clock-frequency = <14745600>;
+
+               interrupts = <2>; /* GIC 2 or CPU 4 */
+
+               no-loopback-test;
+       };
 };