linux-kernel - [PATCH v2 1/3] arm64: dts: amlogic: a1: add cooling-cells for DVFS feature

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Date: Thu, 28 Mar 2024 22:26:35 +0300
From: Dmitry Rokosov <ddrokosov@...utedevices.com>
To: <neil.armstrong@...aro.org>, <jbrunet@...libre.com>,
	<mturquette@...libre.com>, <khilman@...libre.com>,
	<martin.blumenstingl@...glemail.com>, <glaroque@...libre.com>,
	<rafael@...nel.org>, <daniel.lezcano@...aro.org>, <rui.zhang@...el.com>,
	<lukasz.luba@....com>, <robh+dt@...nel.org>,
	<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>
CC: <kernel@...utedevices.com>, <rockosov@...il.com>,
	<linux-amlogic@...ts.infradead.org>, <linux-pm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, Dmitry Rokosov
	<ddrokosov@...utedevices.com>
Subject: [PATCH v2 1/3] arm64: dts: amlogic: a1: add cooling-cells for DVFS feature

It's used for CPU with DVFS feature to specify minimum and maximum
cooling state used in the reference.
Without these values DVFS will not work and dtbs_check will raise the
error.

Signed-off-by: Dmitry Rokosov <ddrokosov@...utedevices.com>
Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
index fbee986421f1..f65d4a77ee52 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -32,6 +32,7 @@ cpu0: cpu@0 {
 			reg = <0x0 0x0>;
 			enable-method = "psci";
 			next-level-cache = <&l2>;
+			#cooling-cells = <2>;
 		};
 
 		cpu1: cpu@1 {
@@ -40,6 +41,7 @@ cpu1: cpu@1 {
 			reg = <0x0 0x1>;
 			enable-method = "psci";
 			next-level-cache = <&l2>;
+			#cooling-cells = <2>;
 		};
 
 		l2: l2-cache0 {
-- 
2.43.0