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authorDaniel Golle <daniel@makrotopia.org>2022-10-09 16:34:35 +0100
committerDaniel Golle <daniel@makrotopia.org>2022-10-09 16:41:16 +0100
commit88eae0f0366d483dad77e5e4e9cdb02c99523e69 (patch)
treeb5c9a92d7b2e05255237d59facfa08a517ec3d9b /target/linux/mediatek/files-5.15
parent629f2de1a772bbfc6bbc37a3aacb67805dc9fb39 (diff)
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mediatek: filogic: set correct PWM clock and clean thermal zone
* set correct clocks for PWM to work. * MT7986 PWM does have the 26MHz-clock-select, set that in patch * drop useless 'passive' trip point in thermal zone * extend pwm-fan to have 3 active operating points * set reasonable trip points in thermal zone * invert pwm-fan operating points and set shorter period to allow less noisy operation of the PWM fan of the BPi-R3. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'target/linux/mediatek/files-5.15')
-rw-r--r--target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi31
1 files changed, 15 insertions, 16 deletions
diff --git a/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index ade4cebbd5..be82acd204 100644
--- a/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -206,8 +206,8 @@
#clock-cells = <1>;
#pwm-cells = <2>;
interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&topckgen CLK_TOP_PWM_SEL>,
- <&infracfg CLK_INFRA_PWM_BSEL>,
+ clocks = <&infracfg CLK_INFRA_PWM_HCK>,
+ <&infracfg CLK_INFRA_PWM_STA>,
<&infracfg CLK_INFRA_PWM1_CK>,
<&infracfg CLK_INFRA_PWM2_CK>;
clock-names = "top", "main", "pwm1", "pwm2";
@@ -664,8 +664,8 @@
fan: pwm-fan {
compatible = "pwm-fan";
- /* cooling level (0, 1, 2) : (0% duty, 50% duty, 100% duty) */
- cooling-levels = <0 128 255>;
+ /* cooling level (0, 1, 2, 3) : (0% duty, 33% duty, 66% duty, 100% duty) */
+ cooling-levels = <0 86 172 255>;
#cooling-cells = <2>;
status = "disabled";
};
@@ -694,14 +694,14 @@
type = "active";
};
- cpu_trip_active_low: active-low {
+ cpu_trip_active_med: active-med {
temperature = <85000>;
hysteresis = <2000>;
type = "active";
};
- cpu_trip_passive: passive {
- temperature = <40000>;
+ cpu_trip_active_low: active-low {
+ temperature = <60000>;
hysteresis = <2000>;
type = "passive";
};
@@ -709,24 +709,23 @@
cooling-maps {
cpu-active-high {
+ /* active: set fan to cooling level 3 */
+ cooling-device = <&fan 3 3>;
+ trip = <&cpu_trip_active_high>;
+ };
+
+ cpu-active-med {
/* active: set fan to cooling level 2 */
cooling-device = <&fan 2 2>;
- trip = <&cpu_trip_active_high>;
+ trip = <&cpu_trip_active_med>;
};
cpu-active-low {
- /* active: set fan to cooling level 1 */
+ /* passive: set fan to cooling level 1 */
cooling-device = <&fan 1 1>;
trip = <&cpu_trip_active_low>;
};
-
- cpu-passive {
- /* passive: set fan to cooling level 0 */
- cooling-device = <&fan 0 0>;
- trip = <&cpu_trip_passive>;
- };
};
-
};
};
};