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

Krzysztof Kozlowski
2020-08-30T14:10:41Z

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 --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>;
--
2.17.1