diff options
Diffstat (limited to 'meta-facebook/meta-wedge/recipes-wedge/fan-ctrl/fan-ctrl/README')
| -rw-r--r-- | meta-facebook/meta-wedge/recipes-wedge/fan-ctrl/fan-ctrl/README | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/meta-facebook/meta-wedge/recipes-wedge/fan-ctrl/fan-ctrl/README b/meta-facebook/meta-wedge/recipes-wedge/fan-ctrl/fan-ctrl/README new file mode 100644 index 0000000..2a92b9d --- /dev/null +++ b/meta-facebook/meta-wedge/recipes-wedge/fan-ctrl/fan-ctrl/README @@ -0,0 +1,5 @@ +The AST PWM/Tach driver is in the kernel sources at drivers/hwmon/ast_pwm_fan.c + +There are 7 PWM output pins. Each PWM can be configured in one of 3 types (M, +N, or O). The clock settings for each type are configurable. See init_pwm.sh +for more comments about how we configure the settings. |
