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arm64: dts: renesas: ulcb: Add cpu-supply property to a57_0 node

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Add the cpu-supply property to the a57_0 node, so Dynamic Voltage and
Frequency Scaling (DVFS) can change the CPU core voltage.

Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20210326105009.1574424-3-geert+renesas@glider.be
This commit is contained in:
Yusuke Goda
2021-03-26 11:50:09 +01:00
committed by Geert Uytterhoeven
parent 35e732d799
commit 2b35ca2fe6
1 changed files with 4 additions and 0 deletions
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4
arch/arm64/boot/dts/renesas/ulcb.dtsi
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@@ -138,6 +138,10 @@ x23_clk: x23-clock {
};
};
&a57_0 {
cpu-supply = <&dvfs>;
};
&audio_clk_a {
clock-frequency = <22579200>;
};