Thread (22 messages) 22 messages, 7 authors, 2014-12-16

Re: [PATCH 3/4] arm64: dts: Add mediatek MT8173 SoC and evaluation board dts and Makefile

From: Matthias Brugger <matthias.bgg@gmail.com>
Date: 2014-12-10 14:51:01
Also in: linux-arm-kernel, lkml

2014-12-10 15:27 GMT+01:00 Yingjoe Chen [off-list ref]:
Hi,

On Wed, 2014-12-10 at 18:50 +0800, Eddie Huang wrote:
<...>
quoted
diff --git a/arch/arm64/boot/dts/mt8173-evb.dts b/arch/arm64/boot/dts/mt8173-evb.dts
new file mode 100644
index 0000000..adf26dd
--- /dev/null
+++ b/arch/arm64/boot/dts/mt8173-evb.dts
<...>
quoted
+     timer {
+             compatible = "arm,armv8-timer";
+             interrupt-parent = <&gic>;
+             interrupts = <1 13 0x8>,
+                          <1 14 0x8>,
+                          <1 11 0x8>,
+                          <1 10 0x8>;
+             clock-frequency = <13000000>;
I believe our firmware doesn't need this line. Please remove it.
The point here would be to know if you need to enable a special timer
from the mtk-timer block to get the arch timer working.
In any case, you will need some sort of timer. This dts does not
describe the mtk-timer (may in the mt8173 it does not exist) but
defines the clocks clk26m and clk32k. So if you don't use the
mtk-timer, please remove the clocks as there isn't a block using them.

Thanks,
Matthias
Joe.C


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