arm64: dts: r8a7796: salvator-x: Populate EXTALR

It can be used for the watchdog.

Based on similar work for r8a7795/salvator-x by Wolfram Sang.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts b/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
index 13db7d6..90e9a76 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
@@ -49,6 +49,10 @@
        clock-frequency = <16666666>;
 };
 
+&extalr_clk {
+       clock-frequency = <32768>;
+};
+
 &scif2 {
        pinctrl-0 = <&scif2_pins>;
        pinctrl-names = "default";