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: | |
| 07fc16fa JH |
21 | oneOf: |
| 22 | - items: | |
| 23 | - enum: | |
| 24 | - elan,ekth5015m | |
| 25 | - const: elan,ekth6915 | |
| e0808d7a ZL |
26 | - enum: |
| 27 | - elan,ekth6915 | |
| 28 | - elan,ekth6a12nay | |
| ded3021e DA |
29 | |
| 30 | reg: | |
| 31 | const: 0x10 | |
| 32 | ||
| 33 | interrupts: | |
| 34 | maxItems: 1 | |
| 35 | ||
| 2ca376ef DA |
36 | panel: true |
| 37 | ||
| ded3021e DA |
38 | reset-gpios: |
| 39 | description: Reset GPIO; not all touchscreens using eKTH6915 hook this up. | |
| 40 | ||
| e538d4b8 JH |
41 | no-reset-on-power-off: |
| 42 | type: boolean | |
| 43 | description: | |
| 44 | Reset line is wired so that it can (and should) be left deasserted when | |
| 45 | the power supply is off. | |
| 46 | ||
| ded3021e DA |
47 | vcc33-supply: |
| 48 | description: The 3.3V supply to the touchscreen. | |
| 49 | ||
| 50 | vccio-supply: | |
| 51 | description: | |
| 52 | The IO supply to the touchscreen. Need not be specified if this is the | |
| 53 | same as the 3.3V supply. | |
| 54 | ||
| 55 | required: | |
| 56 | - compatible | |
| 57 | - reg | |
| 58 | - interrupts | |
| 59 | - vcc33-supply | |
| 60 | ||
| 61 | additionalProperties: false | |
| 62 | ||
| 63 | examples: | |
| 64 | - | | |
| 65 | #include <dt-bindings/gpio/gpio.h> | |
| 66 | #include <dt-bindings/interrupt-controller/irq.h> | |
| 67 | ||
| 68 | i2c { | |
| 69 | #address-cells = <1>; | |
| 70 | #size-cells = <0>; | |
| 71 | ||
| 07fc16fa JH |
72 | touchscreen@10 { |
| 73 | compatible = "elan,ekth5015m", "elan,ekth6915"; | |
| ded3021e DA |
74 | reg = <0x10>; |
| 75 | ||
| 76 | interrupt-parent = <&tlmm>; | |
| 77 | interrupts = <9 IRQ_TYPE_LEVEL_LOW>; | |
| 78 | ||
| 79 | reset-gpios = <&tlmm 8 GPIO_ACTIVE_LOW>; | |
| 80 | vcc33-supply = <&pp3300_ts>; | |
| 81 | }; | |
| 82 | }; |