On 09/13/2017 12:19 AM, Sergei Shtylyov wrote:
Add the initial device tree for the R8A77970 SoC based Eagle board.
The board has 1 debug serial port (SCIF0); include support for it,
so that the serial console can work.
Based on the original (and large) patch by Vladimir Barinov
<vladimir.barinov@xxxxxxxxxxxxxxxxxx>.
Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
[...]
Index: renesas/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
===================================================================
--- /dev/null
+++ renesas/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
@@ -0,0 +1,45 @@
[...]
+&extal_clk {
+ clock-frequency = <16666666>;
+};
+
+&extalr_clk {
+ clock-frequency = <32768>;
+};
+
Forgot to specify SCIF_CLK -- it's populated.
Unfortunately, the kernel hangs after ttySC0 is registered if I specify
this frequency...
MBR, Sergei
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