diff mbox series

[21/33] ARM: dts: exynos: Add CPU cooling in Universal C210

Message ID 20200830135200.24304-21-krzk@kernel.org
State New
Headers show
Series None | expand

Commit Message

Krzysztof Kozlowski Aug. 30, 2020, 1:51 p.m. UTC 
Add missing cooling devices for CPU thermal zones in Exynos4210
Universal C310 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-universal_c210.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
index 279f0f8f86ed..546d84fe4599 100644
--- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
@@ -196,6 +196,19 @@ 
 	cpu0-supply = <&vdd_arm_reg>;
 };
 
+&cpu_thermal {
+	cooling-maps {
+		map0 {
+			/* Corresponds to 800MHz */
+			cooling-device = <&cpu0 2 2>;
+		};
+		map1 {
+			/* Corresponds to 200MHz */
+			cooling-device = <&cpu0 4 4>;
+		};
+	};
+};
+
 &ehci {
 	status = "okay";
 	phys = <&exynos_usbphy 1>;