projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| ded3021e DA |
1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 | |
| 3 | --- | |
| 4 | $id: http://devicetree.org/schemas/input/elan,ekth6915.yaml# | |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# | |
| 6 | ||
| 7 | title: Elan eKTH6915 touchscreen controller | |
| 8 | ||
| 9 | maintainers: | |
| 10 | - Douglas Anderson <dianders@chromium.org> | |
| 11 | ||
| 12 | description: | |
| 13 | Supports the Elan eKTH6915 touchscreen controller. | |
| 14 | This touchscreen controller uses the i2c-hid protocol with a reset GPIO. | |
| 15 | ||
| 2ca376ef DA |
16 | allOf: |
| 17 | - $ref: /schemas/input/touchscreen/touchscreen.yaml# | |
| 18 | ||
| ded3021e DA |
19 | properties: |
| 20 | compatible: | |
| d74ac6f6 ZX |
21 | enum: |
| 22 | - elan,ekth6915 | |
| ded3021e DA |
23 | |
| 24 | reg: | |
| 25 | const: 0x10 | |
| 26 | ||
| 27 | interrupts: | |
| 28 | maxItems: 1 | |
| 29 | ||
| 2ca376ef DA |
30 | panel: true |
| 31 | ||
| ded3021e DA |
32 | reset-gpios: |
| 33 | description: Reset GPIO; not all touchscreens using eKTH6915 hook this up. | |
| 34 | ||
| 35 | vcc33-supply: | |
| 36 | description: The 3.3V supply to the touchscreen. | |
| 37 | ||
| 38 | vccio-supply: | |
| 39 | description: | |
| 40 | The IO supply to the touchscreen. Need not be specified if this is the | |
| 41 | same as the 3.3V supply. | |
| 42 | ||
| 43 | required: | |
| 44 | - compatible | |
| 45 | - reg | |
| 46 | - interrupts | |
| 47 | - vcc33-supply | |
| 48 | ||
| 49 | additionalProperties: false | |
| 50 | ||
| 51 | examples: | |
| 52 | - | | |
| 53 | #include <dt-bindings/gpio/gpio.h> | |
| 54 | #include <dt-bindings/interrupt-controller/irq.h> | |
| 55 | ||
| 56 | i2c { | |
| 57 | #address-cells = <1>; | |
| 58 | #size-cells = <0>; | |
| 59 | ||
| 60 | ap_ts: touchscreen@10 { | |
| 61 | compatible = "elan,ekth6915"; | |
| 62 | reg = <0x10>; | |
| 63 | ||
| 64 | interrupt-parent = <&tlmm>; | |
| 65 | interrupts = <9 IRQ_TYPE_LEVEL_LOW>; | |
| 66 | ||
| 67 | reset-gpios = <&tlmm 8 GPIO_ACTIVE_LOW>; | |
| 68 | vcc33-supply = <&pp3300_ts>; | |
| 69 | }; | |
| 70 | }; |