projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 86ea5e6b SB |
1 | Qualcomm PM8xxx PMIC Keypad |
| 2 | ||
| 3 | PROPERTIES | |
| 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 | ||
| 27469652 | 36 | - wakeup-source: |
| 86ea5e6b SB |
37 | Usage: optional |
| 38 | Value type: <bool> | |
| 39 | Definition: use any event on keypad as wakeup event. | |
| 71a0151c | 40 | (Legacy property supported: "linux,keypad-wakeup") |
| 86ea5e6b SB |
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 | ||
| 72 | EXAMPLE | |
| 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 | }; |