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

holtek,ht16k33.yaml (2917B)


      1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/auxdisplay/holtek,ht16k33.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: Holtek HT16K33 RAM mapping 16*8 LED controller with keyscan
      8
      9maintainers:
     10  - Robin van der Gracht <robin@protonic.nl>
     11
     12allOf:
     13  - $ref: "/schemas/input/matrix-keymap.yaml#"
     14
     15properties:
     16  compatible:
     17    oneOf:
     18      - items:
     19          - enum:
     20              - adafruit,3108  # 0.56" 4-Digit 7-Segment FeatherWing Display (Red)
     21              - adafruit,3130  # 0.54" Quad Alphanumeric FeatherWing Display (Red)
     22          - const: holtek,ht16k33
     23
     24      - const: holtek,ht16k33     # Generic 16*8 LED controller with dot-matrix display
     25
     26  reg:
     27    maxItems: 1
     28
     29  refresh-rate-hz:
     30    maxItems: 1
     31    description: Display update interval in Hertz for dot-matrix displays
     32
     33  interrupts:
     34    maxItems: 1
     35
     36  debounce-delay-ms:
     37    maxItems: 1
     38    description: Debouncing interval time in milliseconds
     39
     40  linux,keymap: true
     41
     42  linux,no-autorepeat:
     43    description: Disable keyrepeat
     44
     45  default-brightness-level:
     46    minimum: 1
     47    maximum: 16
     48    default: 16
     49    description: Initial brightness level
     50
     51  led:
     52    type: object
     53    $ref: /schemas/leds/common.yaml#
     54    unevaluatedProperties: false
     55
     56required:
     57  - compatible
     58  - reg
     59
     60if:
     61  properties:
     62    compatible:
     63      const: holtek,ht16k33
     64then:
     65  required:
     66    - refresh-rate-hz
     67
     68additionalProperties: false
     69
     70examples:
     71  - |
     72    #include <dt-bindings/interrupt-controller/irq.h>
     73    #include <dt-bindings/input/input.h>
     74    #include <dt-bindings/leds/common.h>
     75    i2c1 {
     76            #address-cells = <1>;
     77            #size-cells = <0>;
     78
     79            ht16k33: ht16k33@70 {
     80                    compatible = "holtek,ht16k33";
     81                    reg = <0x70>;
     82                    refresh-rate-hz = <20>;
     83                    interrupt-parent = <&gpio4>;
     84                    interrupts = <5 (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_EDGE_RISING)>;
     85                    debounce-delay-ms = <50>;
     86                    linux,keymap = <MATRIX_KEY(2, 0, KEY_F6)>,
     87                                   <MATRIX_KEY(3, 0, KEY_F8)>,
     88                                   <MATRIX_KEY(4, 0, KEY_F10)>,
     89                                   <MATRIX_KEY(5, 0, KEY_F4)>,
     90                                   <MATRIX_KEY(6, 0, KEY_F2)>,
     91                                   <MATRIX_KEY(2, 1, KEY_F5)>,
     92                                   <MATRIX_KEY(3, 1, KEY_F7)>,
     93                                   <MATRIX_KEY(4, 1, KEY_F9)>,
     94                                   <MATRIX_KEY(5, 1, KEY_F3)>,
     95                                   <MATRIX_KEY(6, 1, KEY_F1)>;
     96
     97                    led {
     98                            color = <LED_COLOR_ID_RED>;
     99                            function = LED_FUNCTION_BACKLIGHT;
    100                            linux,default-trigger = "backlight";
    101                    };
    102            };
    103      };