From: Krzysztof Kozlowski <krzk@kernel.org>
Date: Sun, 30 Aug 2020 13:51:46 +0000 (+0200)
Subject: ARM: dts: exynos: Add CPU cooling in Exynos4210 Origen
X-Git-Tag: v5.15~2574^2~54^2~28
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5d2bb6621caa66f6912f91b4565ee945aea20258;p=platform%2Fkernel%2Flinux-starfive.git

ARM: dts: exynos: Add CPU cooling in Exynos4210 Origen

Add missing cooling devices for CPU thermal zones in Exynos4210 Origen
board.  This allows to scale down CPU frequency (and voltage) in case of
thermal pressure.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200830135200.24304-19-krzk@kernel.org
---

diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts
index 747221bbb856..7d2cfbafefb2 100644
--- a/arch/arm/boot/dts/exynos4210-origen.dts
+++ b/arch/arm/boot/dts/exynos4210-origen.dts
@@ -129,6 +129,19 @@
 	cpu0-supply = <&buck1_reg>;
 };
 
+&cpu_thermal {
+	cooling-maps {
+		map0 {
+			/* Corresponds to 800MHz */
+			cooling-device = <&cpu0 2 2>;
+		};
+		map1 {
+			/* Corresponds to 200MHz */
+			cooling-device = <&cpu0 4 4>;
+		};
+	};
+};
+
 &exynos_usbphy {
 	status = "okay";
 };