diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-6.1/950-1234-ARM-dts-bcm2712-rpi-5-b-Add-fan-speed-dtparams.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-6.1/950-1234-ARM-dts-bcm2712-rpi-5-b-Add-fan-speed-dtparams.patch | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-6.1/950-1234-ARM-dts-bcm2712-rpi-5-b-Add-fan-speed-dtparams.patch b/target/linux/bcm27xx/patches-6.1/950-1234-ARM-dts-bcm2712-rpi-5-b-Add-fan-speed-dtparams.patch new file mode 100644 index 0000000000..da2345fdf7 --- /dev/null +++ b/target/linux/bcm27xx/patches-6.1/950-1234-ARM-dts-bcm2712-rpi-5-b-Add-fan-speed-dtparams.patch @@ -0,0 +1,71 @@ +From 2c085a1ff40521ab89d8f1894757aa83b59b4607 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Thu, 4 Jan 2024 12:09:10 +0000 +Subject: [PATCH] ARM: dts: bcm2712-rpi-5-b: Add fan speed dtparams + +Add dtparams for adjusting the Pi 5 cooling fan speeds and temperature +thresholds. + +See: https://github.com/raspberrypi/linux/issues/5820 + +Signed-off-by: Phil Elwell <phil@raspberrypi.com> +--- + arch/arm/boot/dts/bcm2712-rpi-5-b.dts | 13 +++++++++++++ + arch/arm/boot/dts/overlays/README | 25 +++++++++++++++++++++++++ + 2 files changed, 38 insertions(+) + +--- a/arch/arm/boot/dts/bcm2712-rpi-5-b.dts ++++ b/arch/arm/boot/dts/bcm2712-rpi-5-b.dts +@@ -844,5 +844,18 @@ spi10_cs_pins: &spi10_cs_gpio1 {}; + drm_fb2_rp1_dsi1 = <&aliases>, "drm-fb2=",&dsi1; + drm_fb2_rp1_dpi = <&aliases>, "drm-fb2=",&dpi; + drm_fb2_vc4 = <&aliases>, "drm-fb2=",&vc4; ++ ++ fan_temp0 = <&cpu_tepid>,"temperature:0"; ++ fan_temp1 = <&cpu_warm>,"temperature:0"; ++ fan_temp2 = <&cpu_hot>,"temperature:0"; ++ fan_temp3 = <&cpu_vhot>,"temperature:0"; ++ fan_temp0_hyst = <&cpu_tepid>,"hysteresis:0"; ++ fan_temp1_hyst = <&cpu_warm>,"hysteresis:0"; ++ fan_temp2_hyst = <&cpu_hot>,"hysteresis:0"; ++ fan_temp3_hyst = <&cpu_vhot>,"hysteresis:0"; ++ fan_temp0_speed = <&fan>, "cooling-levels:4"; ++ fan_temp1_speed = <&fan>, "cooling-levels:8"; ++ fan_temp2_speed = <&fan>, "cooling-levels:12"; ++ fan_temp3_speed = <&fan>, "cooling-levels:16"; + }; + }; +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -233,6 +233,31 @@ Params: + to negotiate. Legal values are 10, 100 and + 1000 (default 1000). Pi3B+ only. + ++ fan_temp0 Temperature threshold (in millicelcius) for ++ 1st cooling level (default 50000). Pi5 only. ++ fan_temp0_hyst Temperature hysteresis (in millicelcius) for ++ 1st cooling level (default 5000). Pi5 only. ++ fan_temp0_speed Fan PWM setting for 1st cooling level (0-255, ++ default 75). Pi5 only. ++ fan_temp1 Temperature threshold (in millicelcius) for ++ 2nd cooling level (default 60000). Pi5 only. ++ fan_temp1_hyst Temperature hysteresis (in millicelcius) for ++ 2nd cooling level (default 5000). Pi5 only. ++ fan_temp1_speed Fan PWM setting for 2nd cooling level (0-255, ++ default 125). Pi5 only. ++ fan_temp2 Temperature threshold (in millicelcius) for ++ 3rd cooling level (default 67500). Pi5 only. ++ fan_temp2_hyst Temperature hysteresis (in millicelcius) for ++ 3rd cooling level (default 5000). Pi5 only. ++ fan_temp2_speed Fan PWM setting for 3rd cooling level (0-255, ++ default 175). Pi5 only. ++ fan_temp3 Temperature threshold (in millicelcius) for ++ 4th cooling level (default 75000). Pi5 only. ++ fan_temp3_hyst Temperature hysteresis (in millicelcius) for ++ 4th cooling level (default 5000). Pi5 only. ++ fan_temp3_speed Fan PWM setting for 4th cooling level (0-255, ++ default 250). Pi5 only. ++ + hdmi Set to "off" to disable the HDMI interface + (default "on") + |