diff options
Diffstat (limited to 'dts/Bindings/leds/backlight')
| -rw-r--r-- | dts/Bindings/leds/backlight/pwm-backlight.txt | 6 | ||||
| -rw-r--r-- | dts/Bindings/leds/backlight/zii,rave-sp-backlight.txt | 23 |
2 files changed, 29 insertions, 0 deletions
diff --git a/dts/Bindings/leds/backlight/pwm-backlight.txt b/dts/Bindings/leds/backlight/pwm-backlight.txt index 764db86d44..3108109066 100644 --- a/dts/Bindings/leds/backlight/pwm-backlight.txt +++ b/dts/Bindings/leds/backlight/pwm-backlight.txt @@ -17,6 +17,10 @@ Optional properties: "pwms" property (see PWM binding[0]) - enable-gpios: contains a single GPIO specifier for the GPIO which enables and disables the backlight (see GPIO binding[1]) + - post-pwm-on-delay-ms: Delay in ms between setting an initial (non-zero) PWM + and enabling the backlight using GPIO. + - pwm-off-delay-ms: Delay in ms between disabling the backlight using GPIO + and setting PWM value to 0. [0]: Documentation/devicetree/bindings/pwm/pwm.txt [1]: Documentation/devicetree/bindings/gpio/gpio.txt @@ -32,4 +36,6 @@ Example: power-supply = <&vdd_bl_reg>; enable-gpios = <&gpio 58 0>; + post-pwm-on-delay-ms = <10>; + pwm-off-delay-ms = <10>; }; diff --git a/dts/Bindings/leds/backlight/zii,rave-sp-backlight.txt b/dts/Bindings/leds/backlight/zii,rave-sp-backlight.txt new file mode 100644 index 0000000000..ff5c921386 --- /dev/null +++ b/dts/Bindings/leds/backlight/zii,rave-sp-backlight.txt @@ -0,0 +1,23 @@ +Zodiac Inflight Innovations RAVE Supervisory Processor Backlight Bindings + +RAVE SP backlight device is a "MFD cell" device corresponding to +backlight functionality of RAVE Supervisory Processor. It is expected +that its Device Tree node is specified as a child of the node +corresponding to the parent RAVE SP device (as documented in +Documentation/devicetree/bindings/mfd/zii,rave-sp.txt) + +Required properties: + +- compatible: Should be "zii,rave-sp-backlight" + +Example: + + rave-sp { + compatible = "zii,rave-sp-rdu1"; + current-speed = <38400>; + + backlight { + compatible = "zii,rave-sp-backlight"; + }; + } + |