arm64: dts: amlogic: meson-sm1-odroid-hc4: fix active fan thermal trip

[ Upstream commit 1d2f14117aa7773efff50f832b85fc7779e586e0 ]

Add an active trip tied to the on-board fan cooling device, which is better
than describing it along the passive cooling maps.

Fixes: 33b14f663df8 ("arm64: dts: meson: add initial device-tree for ODROID-HC4")
Reported-by: Ricardo Pardini <ricardo@pardini.net>
Link: https://lore.kernel.org/r/20230124-topic-odroid-hc4-upstream-fix-fan-trip-v1-1-b0c6aa355d93@linaro.org
Tested-by: Ricardo Pardini <ricardo@pardini.net>
[narmstrong: added Ricardo's tested-by from off-list chat]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
index f3f953225bf5ba415da2720ebafb56246f764366..15fece2e6320504da03ca2f6b09a96f4ff0f942b 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
@@ -76,9 +76,17 @@
 };
 
 &cpu_thermal {
+       trips {
+               cpu_active: cpu-active {
+                       temperature = <60000>; /* millicelsius */
+                       hysteresis = <2000>; /* millicelsius */
+                       type = "active";
+               };
+       };
+
        cooling-maps {
                map {
-                       trip = <&cpu_passive>;
+                       trip = <&cpu_active>;
                        cooling-device = <&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
                };
        };