ARM: shmobile: henninger: specify EXTAL frequency

When creating the initial device tree for the Henninger board,  I've overlooked
that EXTAL frequency needs to be overridden there. The 'sh-sci' driver  managed
to work somehow but the SDHI driver that I've tried to enable just hanged with
the default EXTAL frequency of 0...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 2af0d93762e91d4496cc2e63761c70ae9f50f997)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7791-henninger.dts b/arch/arm/boot/dts/r8a7791-henninger.dts
index 6e67cea..0a65523 100644 (file)
--- a/arch/arm/boot/dts/r8a7791-henninger.dts
+++ b/arch/arm/boot/dts/r8a7791-henninger.dts
@@ -35,6 +35,10 @@
        };
 };
 
+&extal_clk {
+       clock-frequency = <20000000>;
+};
+
 &pfc {
        scif0_pins: serial0 {
                renesas,groups = "scif0_data_d";