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[20/33] ARM: dts: exynos: Add CPU cooling in SMDKv310

Message ID 20200830135200.24304-20-krzk@kernel.org (mailing list archive)
State Accepted
Headers show
Series [01/33] ARM: dts: exynos: Silence i2c-gpio dtschema warning in Galaxy I9100 | expand

Commit Message

Krzysztof Kozlowski Aug. 30, 2020, 1:51 p.m. UTC 
Add missing cooling devices for CPU thermal zones in Exynos4210 SMDKv310
board.  This allows to scale down CPU frequency (and voltage) in case of
thermal pressure.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 arch/arm/boot/dts/exynos4210-smdkv310.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts b/arch/arm/boot/dts/exynos4210-smdkv310.dts
index 0b0e86737b26..c5609afa6101 100644
--- a/arch/arm/boot/dts/exynos4210-smdkv310.dts
+++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts
@@ -50,6 +50,19 @@ 
 	};
 };
 
+&cpu_thermal {
+	cooling-maps {
+		map0 {
+			/* Corresponds to 800MHz */
+			cooling-device = <&cpu0 2 2>;
+		};
+		map1 {
+			/* Corresponds to 200MHz */
+			cooling-device = <&cpu0 4 4>;
+		};
+	};
+};
+
 &i2c_0 {
 	#address-cells = <1>;
 	#size-cells = <0>;