[PATCH 28/33] ARM: dts: exynos: Add CPU cooling in Exynos4412 Origen
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2020-08-30 14:07:55
Also in:
linux-devicetree, linux-samsung-soc, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add missing cooling devices for CPU thermal zones in Exynos4412 Origen 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/exynos4412-origen.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts
index 4c52ca6dbe57..c2e793b69e7d 100644
--- a/arch/arm/boot/dts/exynos4412-origen.dts
+++ b/arch/arm/boot/dts/exynos4412-origen.dts@@ -75,6 +75,21 @@ cpu0-supply = <&buck2_reg>; }; +&cpu_thermal { + cooling-maps { + cooling_map0: map0 { + /* Corresponds to 800MHz at freq_table */ + cooling-device = <&cpu0 7 7>, <&cpu1 7 7>, + <&cpu2 7 7>, <&cpu3 7 7>; + }; + cooling_map1: map1 { + /* Corresponds to 200MHz at freq_table */ + cooling-device = <&cpu0 13 13>, <&cpu1 13 13>, + <&cpu2 13 13>, <&cpu3 13 13>; + }; + }; +}; + &exynos_usbphy { status = "okay"; };
--
2.17.1
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