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a94b3d14aa
Changes included (and more): 1. Dynamic RAM merge 2. Real-time page scan and allocation 3. Cache compression 4. Real-time IRQ checks 5. Dynamic I/O allocation for Java heap 6. Java page migration 7. Contiguous memory allocation 8. Idle pages tracking 9. Per CPU RAM usage tracking 10. ARM NEON scalar multiplication library 11. NEON/ARMv8 crypto extensions 12. NEON SHA, Blake, RIPEMD crypto extensions 13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
104 lines
2.8 KiB
YAML
104 lines
2.8 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/auxdisplay/holtek,ht16k33.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Holtek HT16K33 RAM mapping 16*8 LED controller with keyscan
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maintainers:
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- Robin van der Gracht <robin@protonic.nl>
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allOf:
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- $ref: "/schemas/input/matrix-keymap.yaml#"
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- adafruit,3108 # 0.56" 4-Digit 7-Segment FeatherWing Display (Red)
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- adafruit,3130 # 0.54" Quad Alphanumeric FeatherWing Display (Red)
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- const: holtek,ht16k33
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- const: holtek,ht16k33 # Generic 16*8 LED controller with dot-matrix display
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reg:
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maxItems: 1
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refresh-rate-hz:
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maxItems: 1
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description: Display update interval in Hertz for dot-matrix displays
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interrupts:
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maxItems: 1
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debounce-delay-ms:
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maxItems: 1
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description: Debouncing interval time in milliseconds
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linux,keymap: true
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linux,no-autorepeat:
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description: Disable keyrepeat
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default-brightness-level:
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minimum: 1
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maximum: 16
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default: 16
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description: Initial brightness level
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led:
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type: object
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$ref: /schemas/leds/common.yaml#
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unevaluatedProperties: false
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required:
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- compatible
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- reg
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if:
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properties:
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compatible:
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const: holtek,ht16k33
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then:
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required:
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- refresh-rate-hz
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/leds/common.h>
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i2c1 {
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#address-cells = <1>;
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#size-cells = <0>;
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ht16k33: ht16k33@70 {
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compatible = "holtek,ht16k33";
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reg = <0x70>;
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refresh-rate-hz = <20>;
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interrupt-parent = <&gpio4>;
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interrupts = <5 (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_EDGE_RISING)>;
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debounce-delay-ms = <50>;
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linux,keymap = <MATRIX_KEY(2, 0, KEY_F6)>,
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<MATRIX_KEY(3, 0, KEY_F8)>,
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<MATRIX_KEY(4, 0, KEY_F10)>,
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<MATRIX_KEY(5, 0, KEY_F4)>,
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<MATRIX_KEY(6, 0, KEY_F2)>,
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<MATRIX_KEY(2, 1, KEY_F5)>,
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<MATRIX_KEY(3, 1, KEY_F7)>,
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<MATRIX_KEY(4, 1, KEY_F9)>,
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<MATRIX_KEY(5, 1, KEY_F3)>,
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<MATRIX_KEY(6, 1, KEY_F1)>;
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led {
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color = <LED_COLOR_ID_RED>;
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function = LED_FUNCTION_BACKLIGHT;
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linux,default-trigger = "backlight";
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};
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};
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};
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