| Stephen Boyd | 57918df | 2014-03-29 12:39:38 -0700 | [diff] [blame] | 1 | Qualcomm PM8xxx PMIC Power Key |
| 2 | |
| 3 | PROPERTIES |
| 4 | |
| 5 | - compatible: |
| 6 | Usage: required |
| 7 | Value type: <string> |
| 8 | Definition: must be one of: |
| 9 | "qcom,pm8058-pwrkey" |
| 10 | "qcom,pm8921-pwrkey" |
| 11 | |
| 12 | - reg: |
| 13 | Usage: required |
| 14 | Value type: <prop-encoded-array> |
| 15 | Definition: address of power key control register |
| 16 | |
| 17 | - interrupts: |
| 18 | Usage: required |
| 19 | Value type: <prop-encoded-array> |
| 20 | Definition: the first interrupt specifies the key release interrupt |
| 21 | and the second interrupt specifies the key press interrupt. |
| 22 | The format of the specifier is defined by the binding |
| 23 | document describing the node's interrupt parent. |
| 24 | |
| 25 | - debounce: |
| 26 | Usage: optional |
| 27 | Value type: <u32> |
| 28 | Definition: time in microseconds that key must be pressed or release |
| 29 | for state change interrupt to trigger. |
| 30 | |
| 31 | - pull-up: |
| 32 | Usage: optional |
| 33 | Value type: <empty> |
| 34 | Definition: presence of this property indicates that the KPDPWR_N pin |
| 35 | should be configured for pull up. |
| 36 | |
| 37 | EXAMPLE |
| 38 | |
| 39 | pwrkey@1c { |
| 40 | compatible = "qcom,pm8921-pwrkey"; |
| 41 | reg = <0x1c>; |
| 42 | interrupt-parent = <&pmicintc>; |
| 43 | interrupts = <50 1>, <51 1>; |
| 44 | debounce = <15625>; |
| 45 | pull-up; |
| 46 | }; |