zinitix,bt400.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/input/touchscreen/zinitix,bt400.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Zinitix BT4xx and BT5xx series touchscreen controller bindings
    8 
    9 description: The Zinitix BT4xx and BT5xx series of touchscreen controllers
   10   are Korea-produced touchscreens with embedded microcontrollers. The
   11   BT4xx series was produced 2010-2013 and the BT5xx series 2013-2014.
   12 
   13 maintainers:
   14   - Michael Srba <Michael.Srba@seznam.cz>
   15   - Linus Walleij <linus.walleij@linaro.org>
   16 
   17 allOf:
   18   - $ref: touchscreen.yaml#
   19 
   20 properties:
   21   $nodename:
   22     pattern: "^touchscreen(@.*)?$"
   23 
   24   compatible:
   25     enum:
   26       - zinitix,bt402
   27       - zinitix,bt403
   28       - zinitix,bt404
   29       - zinitix,bt412
   30       - zinitix,bt413
   31       - zinitix,bt431
   32       - zinitix,bt432
   33       - zinitix,bt531
   34       - zinitix,bt532
   35       - zinitix,bt538
   36       - zinitix,bt541
   37       - zinitix,bt548
   38       - zinitix,bt554
   39       - zinitix,at100
   40 
   41   reg:
   42     description: I2C address on the I2C bus
   43 
   44   clock-frequency:
   45     description: I2C client clock frequency, defined for host when using
   46       the device on the I2C bus
   47     minimum: 0
   48     maximum: 400000
   49 
   50   interrupts:
   51     description: Interrupt to host
   52     maxItems: 1
   53 
   54   vcca-supply:
   55     description: Analog power supply regulator on the VCCA pin
   56 
   57   vdd-supply:
   58     description: Digital power supply regulator on the VDD pin.
   59       In older device trees this can be the accidental name for the analog
   60       supply on the VCCA pin, and in that case the deprecated vddo-supply is
   61       used for the digital power supply.
   62 
   63   vddo-supply:
   64     description: Deprecated name for the digital power supply, use vdd-supply
   65       as this reflects the real name of the pin. If this supply is present,
   66       the vdd-supply represents VCCA instead of VDD. Implementers should first
   67       check for this property, and if it is present assume that the vdd-supply
   68       represents the analog supply.
   69     deprecated: true
   70 
   71   reset-gpios:
   72     description: Reset line for the touchscreen, should be tagged
   73       as GPIO_ACTIVE_LOW
   74 
   75   zinitix,mode:
   76     description: Mode of reporting touch points. Some modes may not work
   77       with a particular ts firmware for unknown reasons. Available modes are
   78       1 and 2. Mode 2 is the default and preferred.
   79     $ref: /schemas/types.yaml#/definitions/uint32
   80     enum: [1, 2]
   81 
   82   touchscreen-size-x: true
   83   touchscreen-size-y: true
   84   touchscreen-fuzz-x: true
   85   touchscreen-fuzz-y: true
   86 
   87 additionalProperties: false
   88 
   89 required:
   90   - compatible
   91   - reg
   92   - interrupts
   93   - touchscreen-size-x
   94   - touchscreen-size-y
   95 
   96 examples:
   97   - |
   98     #include <dt-bindings/interrupt-controller/irq.h>
   99     #include <dt-bindings/gpio/gpio.h>
  100     i2c {
  101       #address-cells = <1>;
  102       #size-cells = <0>;
  103 
  104       touchscreen@20 {
  105         compatible = "zinitix,bt541";
  106         reg = <0x20>;
  107         interrupt-parent = <&gpio>;
  108         interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
  109         vcca-supply = <&reg_vcca_tsp>;
  110         vdd-supply = <&reg_vdd_tsp>;
  111         touchscreen-size-x = <540>;
  112         touchscreen-size-y = <960>;
  113         zinitix,mode = <2>;
  114       };
  115     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/input/touchscreen/zinitix,bt400.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/input/touchscreen/zinitix,bt400.yaml