cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

ti,tsc2005.yaml (3272B)

      1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/input/touchscreen/ti,tsc2005.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: Texas Instruments TSC2004 and TSC2005 touchscreen controller bindings
      8
      9maintainers:
     10  - Marek Vasut <marex@denx.de>
     11  - Michael Welling <mwelling@ieee.org>
     12
     13properties:
     14  $nodename:
     15    pattern: "^touchscreen(@.*)?$"
     16
     17  compatible:
     18    enum:
     19      - ti,tsc2004
     20      - ti,tsc2005
     21
     22  reg:
     23    maxItems: 1
     24    description: |
     25      I2C address when used on the I2C bus, or the SPI chip select index
     26      when used on the SPI bus
     27
     28  interrupts:
     29    maxItems: 1
     30
     31  reset-gpios:
     32    maxItems: 1
     33    description: GPIO specifier for the controller reset line
     34
     35  spi-max-frequency:
     36    description: TSC2005 SPI bus clock frequency.
     37    maximum: 25000000
     38
     39  ti,x-plate-ohms:
     40    description: resistance of the touchscreen's X plates in ohm (defaults to 280)
     41
     42  ti,esd-recovery-timeout-ms:
     43    description: |
     44        if the touchscreen does not respond after the configured time
     45        (in milli seconds), the driver will reset it. This is disabled
     46        by default.
     47
     48  vio-supply:
     49    description: Regulator specifier
     50
     51  touchscreen-fuzz-pressure: true
     52  touchscreen-fuzz-x: true
     53  touchscreen-fuzz-y: true
     54  touchscreen-max-pressure: true
     55  touchscreen-size-x: true
     56  touchscreen-size-y: true
     57
     58allOf:
     59  - $ref: touchscreen.yaml#
     60  - if:
     61      properties:
     62        compatible:
     63          contains:
     64            const: ti,tsc2004
     65    then:
     66      properties:
     67        spi-max-frequency: false
     68
     69additionalProperties: false
     70
     71required:
     72  - compatible
     73  - reg
     74  - interrupts
     75
     76examples:
     77  - |
     78    #include <dt-bindings/interrupt-controller/irq.h>
     79    #include <dt-bindings/gpio/gpio.h>
     80    i2c {
     81        #address-cells = <1>;
     82        #size-cells = <0>;
     83        touchscreen@48 {
     84            compatible = "ti,tsc2004";
     85            reg = <0x48>;
     86            vio-supply = <&vio>;
     87
     88            reset-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>;
     89            interrupts-extended = <&gpio1 27 IRQ_TYPE_EDGE_RISING>;
     90
     91            touchscreen-fuzz-x = <4>;
     92            touchscreen-fuzz-y = <7>;
     93            touchscreen-fuzz-pressure = <2>;
     94            touchscreen-size-x = <4096>;
     95            touchscreen-size-y = <4096>;
     96            touchscreen-max-pressure = <2048>;
     97
     98            ti,x-plate-ohms = <280>;
     99            ti,esd-recovery-timeout-ms = <8000>;
    100        };
    101    };
    102  - |
    103    #include <dt-bindings/interrupt-controller/irq.h>
    104    #include <dt-bindings/gpio/gpio.h>
    105    spi {
    106        #address-cells = <1>;
    107        #size-cells = <0>;
    108        touchscreen@0 {
    109            compatible = "ti,tsc2005";
    110            spi-max-frequency = <6000000>;
    111            reg = <0>;
    112
    113            vio-supply = <&vio>;
    114
    115            reset-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; /* 104 */
    116            interrupts-extended = <&gpio4 4 IRQ_TYPE_EDGE_RISING>; /* 100 */
    117
    118            touchscreen-fuzz-x = <4>;
    119            touchscreen-fuzz-y = <7>;
    120            touchscreen-fuzz-pressure = <2>;
    121            touchscreen-size-x = <4096>;
    122            touchscreen-size-y = <4096>;
    123            touchscreen-max-pressure = <2048>;
    124
    125            ti,x-plate-ohms = <280>;
    126            ti,esd-recovery-timeout-ms = <8000>;
    127        };
    128    };