ARM: dts: r7s72100: add RTC_X clock inputs to device tree

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

Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi
index 9eace892fec700b816463483da2dea1fb91a9253..9db46ac08ba7e89f976de179d1b3caeab720a583 100644 (file)
--- a/arch/arm/boot/dts/r7s72100.dtsi
+++ b/arch/arm/boot/dts/r7s72100.dtsi
@@ -51,6 +51,20 @@ usb_x1_clk: usb_x1 {
                        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>;