91 lines
2.2 KiB
Plaintext
91 lines
2.2 KiB
Plaintext
|
Qualcomm PM8xxx PMIC Keypad
|
||
|
|
|
||
|
|
PROPERTIES
|
||
|
|
|
||
|
|
- compatible:
|
||
|
|
Usage: required
|
||
|
|
Value type: <string>
|
||
|
|
Definition: must be one of:
|
||
|
|
"qcom,pm8058-keypad"
|
||
|
|
"qcom,pm8921-keypad"
|
||
|
|
|
||
|
|
- reg:
|
||
|
|
Usage: required
|
||
|
|
Value type: <prop-encoded-array>
|
||
|
|
Definition: address of keypad control register
|
||
|
|
|
||
|
|
- interrupts:
|
||
|
|
Usage: required
|
||
|
|
Value type: <prop-encoded-array>
|
||
|
|
Definition: the first interrupt specifies the key sense interrupt
|
||
|
|
and the second interrupt specifies the key stuck interrupt.
|
||
|
|
The format of the specifier is defined by the binding
|
||
|
|
document describing the node's interrupt parent.
|
||
|
|
|
||
|
|
- linux,keymap:
|
||
|
|
Usage: required
|
||
|
|
Value type: <prop-encoded-array>
|
||
|
|
Definition: the linux keymap. More information can be found in
|
||
|
|
input/matrix-keymap.txt.
|
||
|
|
|
||
|
|
- linux,keypad-no-autorepeat:
|
||
|
|
Usage: optional
|
||
|
|
Value type: <bool>
|
||
|
|
Definition: don't enable autorepeat feature.
|
||
|
|
|
||
|
|
- wakeup-source:
|
||
|
|
Usage: optional
|
||
|
|
Value type: <bool>
|
||
|
|
Definition: use any event on keypad as wakeup event.
|
||
|
|
(Legacy property supported: "linux,keypad-wakeup")
|
||
|
|
|
||
|
|
- keypad,num-rows:
|
||
|
|
Usage: required
|
||
|
|
Value type: <u32>
|
||
|
|
Definition: number of rows in the keymap. More information can be found
|
||
|
|
in input/matrix-keymap.txt.
|
||
|
|
|
||
|
|
- keypad,num-columns:
|
||
|
|
Usage: required
|
||
|
|
Value type: <u32>
|
||
|
|
Definition: number of columns in the keymap. More information can be
|
||
|
|
found in input/matrix-keymap.txt.
|
||
|
|
|
||
|
|
- debounce:
|
||
|
|
Usage: optional
|
||
|
|
Value type: <u32>
|
||
|
|
Definition: time in microseconds that key must be pressed or release
|
||
|
|
for key sense interrupt to trigger.
|
||
|
|
|
||
|
|
- scan-delay:
|
||
|
|
Usage: optional
|
||
|
|
Value type: <u32>
|
||
|
|
Definition: time in microseconds to pause between successive scans
|
||
|
|
of the matrix array.
|
||
|
|
|
||
|
|
- row-hold:
|
||
|
|
Usage: optional
|
||
|
|
Value type: <u32>
|
||
|
|
Definition: time in nanoseconds to pause between scans of each row in
|
||
|
|
the matrix array.
|
||
|
|
|
||
|
|
EXAMPLE
|
||
|
|
|
||
|
|
keypad@148 {
|
||
|
|
compatible = "qcom,pm8921-keypad";
|
||
|
|
reg = <0x148>;
|
||
|
|
interrupt-parent = <&pmicintc>;
|
||
|
|
interrupts = <74 1>, <75 1>;
|
||
|
|
linux,keymap = <
|
||
|
|
MATRIX_KEY(0, 0, KEY_VOLUMEUP)
|
||
|
|
MATRIX_KEY(0, 1, KEY_VOLUMEDOWN)
|
||
|
|
MATRIX_KEY(0, 2, KEY_CAMERA_FOCUS)
|
||
|
|
MATRIX_KEY(0, 3, KEY_CAMERA)
|
||
|
|
>;
|
||
|
|
keypad,num-rows = <1>;
|
||
|
|
keypad,num-columns = <5>;
|
||
|
|
debounce = <15>;
|
||
|
|
scan-delay = <32>;
|
||
|
|
row-hold = <91500>;
|
||
|
|
};
|