diff options
Diffstat (limited to 'Documentation/devicetree/bindings/input/microchip,cap11xx.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/input/microchip,cap11xx.yaml | 102 |
1 files changed, 92 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/input/microchip,cap11xx.yaml b/Documentation/devicetree/bindings/input/microchip,cap11xx.yaml index 7ade03f1b32b..983f4701b51e 100644 --- a/Documentation/devicetree/bindings/input/microchip,cap11xx.yaml +++ b/Documentation/devicetree/bindings/input/microchip,cap11xx.yaml @@ -10,6 +10,16 @@ description: | The Microchip CAP1xxx Family of RightTouchTM multiple-channel capacitive touch controllers and LED drivers. The device communication via I2C only. + For more product information please see the links below: + CAP1106: https://ww1.microchip.com/downloads/en/DeviceDoc/00001624B.pdf + CAP1114: https://ww1.microchip.com/downloads/en/DeviceDoc/00002444A.pdf + CAP1126: https://ww1.microchip.com/downloads/en/DeviceDoc/00001623B.pdf + CAP1188: https://ww1.microchip.com/downloads/en/DeviceDoc/00001620C.pdf + CAP1203: https://ww1.microchip.com/downloads/en/DeviceDoc/00001572B.pdf + CAP1206: https://ww1.microchip.com/downloads/en/DeviceDoc/00001567B.pdf + CAP1293: https://ww1.microchip.com/downloads/en/DeviceDoc/00001566B.pdf + CAP1298: https://ww1.microchip.com/downloads/en/DeviceDoc/00001571B.pdf + maintainers: - Rob Herring <robh@kernel.org> @@ -17,6 +27,7 @@ properties: compatible: enum: - microchip,cap1106 + - microchip,cap1114 - microchip,cap1126 - microchip,cap1188 - microchip,cap1203 @@ -40,13 +51,20 @@ properties: device's ALERT#/CM_IRQ# pin is connected to. The device only has one interrupt source. + reset-gpios: + description: | + GPIO connected to the active-high RESET pin of the chip; + driving it high asserts reset and deep sleep, while driving + it low releases reset for normal operation. + maxItems: 1 + autorepeat: description: | Enables the Linux input system's autorepeat feature on the input device. linux,keycodes: minItems: 3 - maxItems: 8 + maxItems: 14 description: | Specifies an array of numeric keycode values to be used for the channels. If this property is @@ -106,6 +124,8 @@ properties: is required for a touch to be registered, making the touch sensor less sensitive. The number of entries must correspond to the number of channels. + CAP1114 is an exception where channels 8~14 reuse the eighth entry's + threshold, so counts differ. microchip,calib-sensitivity: $ref: /schemas/types.yaml#/definitions/uint32-array @@ -124,14 +144,16 @@ properties: The number of entries must correspond to the number of channels. patternProperties: - "^led@[0-7]$": + "^led@[0-9a]$": type: object description: CAP11xx LEDs $ref: /schemas/leds/common.yaml# properties: reg: - enum: [0, 1, 2, 3, 4, 5, 6, 7] + description: LED channel number + minimum: 0 + maximum: 10 label: true @@ -157,8 +179,63 @@ allOf: - microchip,cap1293 - microchip,cap1298 then: + properties: + reset-gpios: false + + - if: + properties: + compatible: + contains: + enum: + - microchip,cap1114 + then: + properties: + linux,keycodes: + minItems: 14 + else: + properties: + linux,keycodes: + maxItems: 8 + + - if: + properties: + compatible: + contains: + enum: + - microchip,cap1106 + - microchip,cap1203 + - microchip,cap1206 + - microchip,cap1293 + - microchip,cap1298 + then: + patternProperties: + "^led@": false + + - if: + properties: + compatible: + contains: + enum: + - microchip,cap1126 + then: patternProperties: - "^led@[0-7]$": false + "^led@": + properties: + reg: + maximum: 1 + + - if: + properties: + compatible: + contains: + enum: + - microchip,cap1188 + then: + patternProperties: + "^led@": + properties: + reg: + maximum: 7 - if: properties: @@ -166,6 +243,7 @@ allOf: contains: enum: - microchip,cap1106 + - microchip,cap1114 - microchip,cap1126 - microchip,cap1188 - microchip,cap1203 @@ -183,6 +261,8 @@ additionalProperties: false examples: - | + #include <dt-bindings/gpio/gpio.h> + i2c { #address-cells = <1>; #size-cells = <0>; @@ -197,12 +277,14 @@ examples: microchip,sensitivity-delta-sense = <16>; microchip,input-threshold = <21>, <18>, <46>, <46>, <46>, <21>; - linux,keycodes = <103>, /* KEY_UP */ - <106>, /* KEY_RIGHT */ - <108>, /* KEY_DOWN */ - <105>, /* KEY_LEFT */ - <109>, /* KEY_PAGEDOWN */ - <104>; /* KEY_PAGEUP */ + linux,keycodes = <103>, /* KEY_UP */ + <106>, /* KEY_RIGHT */ + <108>, /* KEY_DOWN */ + <105>, /* KEY_LEFT */ + <109>, /* KEY_PAGEDOWN */ + <104>; /* KEY_PAGEUP */ + + reset-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>; #address-cells = <1>; #size-cells = <0>; |