MIPS: Malta: Probe RTC via DT

Add the DT node required to probe the RTC, and remove the platform code
that was previously doing it.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14277/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/mips/boot/dts/mti/malta.dts b/arch/mips/boot/dts/mti/malta.dts
index af765afce825..fecbca8ca691 100644
--- a/arch/mips/boot/dts/mti/malta.dts
+++ b/arch/mips/boot/dts/mti/malta.dts
@@ -49,4 +49,19 @@
                 interrupt-parent = <&gic>;
                 interrupts = <GIC_SHARED 3 IRQ_TYPE_LEVEL_HIGH>;
         };
+
+        isa {
+                compatible = "isa";
+                #address-cells = <2>;
+                #size-cells = <1>;
+                ranges = <1 0 0 0x1000>;
+
+                rtc@70 {
+                        compatible = "motorola,mc146818";
+                        reg = <1 0x70 0x8>;
+
+                        interrupt-parent = <&i8259>;
+                        interrupts = <8>;
+                };
+        };
 };