cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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qcom,pm8xxx-keypad.txt (2251B)


      1Qualcomm PM8xxx PMIC Keypad
      2
      3PROPERTIES
      4
      5- compatible:
      6	Usage: required
      7	Value type: <string>
      8	Definition: must be one of:
      9		    "qcom,pm8058-keypad"
     10		    "qcom,pm8921-keypad"
     11
     12- reg:
     13	Usage: required
     14	Value type: <prop-encoded-array>
     15	Definition: address of keypad control register
     16
     17- interrupts:
     18	Usage: required
     19	Value type: <prop-encoded-array>
     20	Definition: the first interrupt specifies the key sense interrupt
     21		    and the second interrupt specifies the key stuck interrupt.
     22		    The format of the specifier is defined by the binding
     23		    document describing the node's interrupt parent.
     24
     25- linux,keymap:
     26	Usage: required
     27	Value type: <prop-encoded-array>
     28	Definition: the linux keymap. More information can be found in
     29		    input/matrix-keymap.txt.
     30
     31- linux,keypad-no-autorepeat:
     32	Usage: optional
     33	Value type: <bool>
     34	Definition: don't enable autorepeat feature.
     35
     36- wakeup-source:
     37	Usage: optional
     38	Value type: <bool>
     39	Definition: use any event on keypad as wakeup event.
     40		    (Legacy property supported: "linux,keypad-wakeup")
     41
     42- keypad,num-rows:
     43	Usage: required
     44	Value type: <u32>
     45	Definition: number of rows in the keymap. More information can be found
     46		    in input/matrix-keymap.txt.
     47
     48- keypad,num-columns:
     49	Usage: required
     50	Value type: <u32>
     51	Definition: number of columns in the keymap. More information can be
     52		    found in input/matrix-keymap.txt.
     53
     54- debounce:
     55	Usage: optional
     56	Value type: <u32>
     57	Definition: time in microseconds that key must be pressed or release
     58		    for key sense interrupt to trigger.
     59
     60- scan-delay:
     61	Usage: optional
     62	Value type: <u32>
     63	Definition: time in microseconds to pause between successive scans
     64		    of the matrix array.
     65
     66- row-hold:
     67	Usage: optional
     68	Value type: <u32>
     69	Definition: time in nanoseconds to pause between scans of each row in
     70		    the matrix array.
     71
     72EXAMPLE
     73
     74	keypad@148 {
     75		compatible = "qcom,pm8921-keypad";
     76		reg = <0x148>;
     77		interrupt-parent = <&pmicintc>;
     78		interrupts = <74 1>, <75 1>;
     79		linux,keymap = <
     80			MATRIX_KEY(0, 0, KEY_VOLUMEUP)
     81			MATRIX_KEY(0, 1, KEY_VOLUMEDOWN)
     82			MATRIX_KEY(0, 2, KEY_CAMERA_FOCUS)
     83			MATRIX_KEY(0, 3, KEY_CAMERA)
     84			>;
     85		keypad,num-rows = <1>;
     86		keypad,num-columns = <5>;
     87		debounce = <15>;
     88		scan-delay = <32>;
     89		row-hold = <91500>;
     90	};