lkml.org 
[lkml]   [2020]   [Aug]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 20/33] ARM: dts: exynos: Add CPU cooling in SMDKv310
Date
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
\
 
 \ /
  Last update: 2020-08-30 16:11    [W:0.162 / U:4.676 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site