diff mbox series

[2/2] arm64: dts: renesas: ulcb: Add cpu-supply property to a57_0 node

Message ID 20210326105009.1574424-3-geert+renesas@glider.be (mailing list archive)
State Mainlined
Commit 2b35ca2fe605f85aa1a52c713571baf04a5f434a
Delegated to: Geert Uytterhoeven
Headers show
Series arm64: dts: renesas: Add cpu-supply properties for DVFS | expand

Commit Message

Geert Uytterhoeven March 26, 2021, 10:50 a.m. UTC 
From: Yusuke Goda <yusuke.goda.sx@renesas.com>

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>
---
 arch/arm64/boot/dts/renesas/ulcb.dtsi | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/renesas/ulcb.dtsi b/arch/arm64/boot/dts/renesas/ulcb.dtsi
index 14b211f357f8894a..1f177af3eb9dfa37 100644
--- a/arch/arm64/boot/dts/renesas/ulcb.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb.dtsi
@@ -138,6 +138,10 @@  x23_clk: x23-clock {
 	};
 };
 
+&a57_0 {
+	cpu-supply = <&dvfs>;
+};
+
 &audio_clk_a {
 	clock-frequency = <22579200>;
 };