diff options
Diffstat (limited to 'Bindings/input/samsung-keypad.txt')
-rw-r--r-- | Bindings/input/samsung-keypad.txt | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/Bindings/input/samsung-keypad.txt b/Bindings/input/samsung-keypad.txt deleted file mode 100644 index 4c5c0a82586..00000000000 --- a/Bindings/input/samsung-keypad.txt +++ /dev/null @@ -1,77 +0,0 @@ -* Samsung's Keypad Controller device tree bindings - -Samsung's Keypad controller is used to interface a SoC with a matrix-type -keypad device. The keypad controller supports multiple row and column lines. -A key can be placed at each intersection of a unique row and a unique column. -The keypad controller can sense a key-press and key-release and report the -event using a interrupt to the cpu. - -Required SoC Specific Properties: -- compatible: should be one of the following - - "samsung,s3c6410-keypad": For controllers compatible with s3c6410 keypad - controller. - - "samsung,s5pv210-keypad": For controllers compatible with s5pv210 keypad - controller. - -- reg: physical base address of the controller and length of memory mapped - region. - -- interrupts: The interrupt number to the cpu. - -Required Board Specific Properties: -- samsung,keypad-num-rows: Number of row lines connected to the keypad - controller. - -- samsung,keypad-num-columns: Number of column lines connected to the - keypad controller. - -- Keys represented as child nodes: Each key connected to the keypad - controller is represented as a child node to the keypad controller - device node and should include the following properties. - - keypad,row: the row number to which the key is connected. - - keypad,column: the column number to which the key is connected. - - linux,code: the key-code to be reported when the key is pressed - and released. - -- pinctrl-0: Should specify pin control groups used for this controller. -- pinctrl-names: Should contain only one value - "default". - -Optional Properties: -- wakeup-source: use any event on keypad as wakeup event. - (Legacy property supported: "linux,input-wakeup") - -Optional Properties specific to linux: -- linux,keypad-no-autorepeat: do no enable autorepeat feature. - - -Example: - keypad@100a0000 { - compatible = "samsung,s5pv210-keypad"; - reg = <0x100A0000 0x100>; - interrupts = <173>; - samsung,keypad-num-rows = <2>; - samsung,keypad-num-columns = <8>; - linux,input-no-autorepeat; - wakeup-source; - - pinctrl-names = "default"; - pinctrl-0 = <&keypad_rows &keypad_columns>; - - key_1 { - keypad,row = <0>; - keypad,column = <3>; - linux,code = <2>; - }; - - key_2 { - keypad,row = <0>; - keypad,column = <4>; - linux,code = <3>; - }; - - key_3 { - keypad,row = <0>; - keypad,column = <5>; - linux,code = <4>; - }; - }; |