[PATCH 19/33] ARM: dts: exynos: Add CPU cooling in Origen

Krzysztof Kozlowski
2020-08-30T14:00:38Z

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>

---

Not tested on HW.
---
arch/arm/boot/dts/exynos4210-origen.dts | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts
index fcf45619a3e4..d6d8a8096eb4 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";
};
--
2.17.1