Add the RTC clocks to device tree. The frequencies must be fixed values
according to the hardware manual.

Signed-off-by: Chris Brandt <[email protected]>
---
 arch/arm/boot/dts/r7s72100.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi
index 6a1448be4e10..632a6a481be8 100644
--- a/arch/arm/boot/dts/r7s72100.dtsi
+++ b/arch/arm/boot/dts/r7s72100.dtsi
@@ -51,6 +51,20 @@
                        clock-frequency = <0>;
                };
 
+               rtc_x1_clk: rtc_x1 {
+                       #clock-cells = <0>;
+                       compatible = "fixed-clock";
+                       /* If clk present, value must be set by board to 32678 
*/
+                       clock-frequency = <0>;
+               };
+
+               rtc_x3_clk: rtc_x3 {
+                       #clock-cells = <0>;
+                       compatible = "fixed-clock";
+                       /* If clk present, value must be set by board to 
4000000 */
+                       clock-frequency = <0>;
+               };
+
                /* Fixed factor clocks */
                b_clk: b {
                        #clock-cells = <0>;
-- 
2.11.0


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