From 35e732d7990ddae3ca759c09498dd2c049511297 Mon Sep 17 00:00:00 2001
From: Dien Pham <dien.pham.ry@renesas.com>
Date: Fri, 26 Mar 2021 11:50:08 +0100
Subject: [PATCH] arm64: dts: renesas: salvator-common: Add cpu-supply property
 to a57_0 node

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: Dien Pham <dien.pham.ry@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/20210326105009.1574424-2-geert+renesas@glider.be
---
 arch/arm64/boot/dts/renesas/salvator-common.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
index 810497c746d79..e18747df219f8 100644
--- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
@@ -320,6 +320,10 @@
 	};
 };
 
+&a57_0 {
+	cpu-supply = <&dvfs>;
+};
+
 &audio_clk_a {
 	clock-frequency = <22579200>;
 };
-- 
2.30.2