ARM: shmobile: koelsch: Specify external clock frequency in DT

The external crystal frequency is 20MHz on the Koelsch board. Specify it
in the device tree.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index d431f31..fd556c3 100644 (file)
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -45,6 +45,10 @@
        };
 };
 
+&extal_clk {
+       clock-frequency = <20000000>;
+};
+
 &pfc {
        pinctrl-0 = <&scif0_pins &scif1_pins>;
        pinctrl-names = "default";