ARM: mvebu: Enable the reference clock for timer and watchdog on Armada 375 SoC

Now that the timer and watchdog drivers support the Armada 375 usage of
the reference clock, we can enable it in the devicetree.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1414248522-16055-5-git-send-email-ezequiel.garcia@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

diff --git a/arch/arm/boot/dts/armada-375.dtsi b/arch/arm/boot/dts/armada-375.dtsi
index de6571445cef7140da63ed0cf54a4952fcdab6a1..9721e55384ce086a52ac3c0e93b25c7b4e2c3b4f 100644 (file)
--- a/arch/arm/boot/dts/armada-375.dtsi
+++ b/arch/arm/boot/dts/armada-375.dtsi
@@ -36,6 +36,12 @@
                        #clock-cells = <0>;
                        clock-frequency = <2000000000>;
                };
+               /* 25 MHz reference crystal */
+               refclk: oscillator {
+                       compatible = "fixed-clock";
+                       #clock-cells = <0>;
+                       clock-frequency = <25000000>;
+               };
        };
 
        cpus {
@@ -366,13 +372,15 @@
                                                      <&gic  GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
                                                      <&mpic 5>,
                                                      <&mpic 6>;
-                               clocks = <&coreclk 0>;
+                               clocks = <&coreclk 0>, <&refclk>;
+                               clock-names = "nbclk", "fixed";
                        };
 
                        watchdog@20300 {
                                compatible = "marvell,armada-375-wdt";
                                reg = <0x20300 0x34>, <0x20704 0x4>, <0x18254 0x4>;
-                               clocks = <&coreclk 0>;
+                               clocks = <&coreclk 0>, <&refclk>;
+                               clock-names = "nbclk", "fixed";
                        };
 
                        cpurst@20800 {