powerpc/83xx: add DS1374 RTC support for the MPC837xE-MDS boards

The RTC is sitting on the I2C1 bus at address 0x68. RTC interrupt signal
is connected to the IPIC's EXT3 interrupt line.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

3 files changed, 21 insertions, 0 deletions

diff --git a/arch/powerpc/boot/dts/mpc8377_mds.dts b/arch/powerpc/boot/dts/mpc8377_mds.dts
index 87314c78b47b..0484561bd2c0 100644
--- a/arch/powerpc/boot/dts/mpc8377_mds.dts
+++ b/arch/powerpc/boot/dts/mpc8377_mds.dts
@@ -136,6 +136,13 @@
                         interrupts = <14 0x8>;
                         interrupt-parent = <&ipic>;
                         dfsrr;
+
+                        rtc@68 {
+                                compatible = "dallas,ds1374";
+                                reg = <0x68>;
+                                interrupts = <19 0x8>;
+                                interrupt-parent = <&ipic>;
+                        };
                 };
 
                 i2c@3100 {
diff --git a/arch/powerpc/boot/dts/mpc8378_mds.dts b/arch/powerpc/boot/dts/mpc8378_mds.dts
index 02941919598f..67a08d2e2ff2 100644
--- a/arch/powerpc/boot/dts/mpc8378_mds.dts
+++ b/arch/powerpc/boot/dts/mpc8378_mds.dts
@@ -136,6 +136,13 @@
                         interrupts = <14 0x8>;
                         interrupt-parent = <&ipic>;
                         dfsrr;
+
+                        rtc@68 {
+                                compatible = "dallas,ds1374";
+                                reg = <0x68>;
+                                interrupts = <19 0x8>;
+                                interrupt-parent = <&ipic>;
+                        };
                 };
 
                 i2c@3100 {
diff --git a/arch/powerpc/boot/dts/mpc8379_mds.dts b/arch/powerpc/boot/dts/mpc8379_mds.dts
index 13a231144dcc..323370a2b5ff 100644
--- a/arch/powerpc/boot/dts/mpc8379_mds.dts
+++ b/arch/powerpc/boot/dts/mpc8379_mds.dts
@@ -136,6 +136,13 @@
                         interrupts = <14 0x8>;
                         interrupt-parent = <&ipic>;
                         dfsrr;
+
+                        rtc@68 {
+                                compatible = "dallas,ds1374";
+                                reg = <0x68>;
+                                interrupts = <19 0x8>;
+                                interrupt-parent = <&ipic>;
+                        };
                 };
 
                 i2c@3100 {