tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
1
fork

Configure Feed

Select the types of activity you want to include in your feed.

dt-bindings: input: Add bindings for Mediatek matrix keypad

This patch add devicetree bindings for Mediatek matrix keypad driver.

Signed-off-by: fengping.yu <fengping.yu@mediatek.com>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220303154302.252041-2-mkorpershoek@baylibre.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

authored by

fengping.yu and committed by
Dmitry Torokhov 60b2a803 dfafa560

+77
+77
Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml
··· 1 + # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2 + %YAML 1.2 3 + --- 4 + $id: http://devicetree.org/schemas/input/mediatek,mt6779-keypad.yaml# 5 + $schema: http://devicetree.org/meta-schemas/core.yaml# 6 + 7 + title: Mediatek's Keypad Controller device tree bindings 8 + 9 + maintainers: 10 + - Fengping Yu <fengping.yu@mediatek.com> 11 + 12 + allOf: 13 + - $ref: "/schemas/input/matrix-keymap.yaml#" 14 + 15 + description: | 16 + Mediatek's Keypad controller is used to interface a SoC with a matrix-type 17 + keypad device. The keypad controller supports multiple row and column lines. 18 + A key can be placed at each intersection of a unique row and a unique column. 19 + The keypad controller can sense a key-press and key-release and report the 20 + event using a interrupt to the cpu. 21 + 22 + properties: 23 + compatible: 24 + oneOf: 25 + - const: mediatek,mt6779-keypad 26 + - items: 27 + - enum: 28 + - mediatek,mt6873-keypad 29 + - const: mediatek,mt6779-keypad 30 + 31 + reg: 32 + maxItems: 1 33 + 34 + interrupts: 35 + maxItems: 1 36 + 37 + clocks: 38 + maxItems: 1 39 + 40 + clock-names: 41 + items: 42 + - const: kpd 43 + 44 + wakeup-source: 45 + description: use any event on keypad as wakeup event 46 + type: boolean 47 + 48 + debounce-delay-ms: 49 + maximum: 256 50 + default: 16 51 + 52 + required: 53 + - compatible 54 + - reg 55 + - interrupts 56 + - clocks 57 + - clock-names 58 + 59 + additionalProperties: false 60 + 61 + examples: 62 + - | 63 + #include <dt-bindings/input/input.h> 64 + #include <dt-bindings/interrupt-controller/arm-gic.h> 65 + 66 + soc { 67 + #address-cells = <2>; 68 + #size-cells = <2>; 69 + 70 + keyboard@10010000 { 71 + compatible = "mediatek,mt6779-keypad"; 72 + reg = <0 0x10010000 0 0x1000>; 73 + interrupts = <GIC_SPI 75 IRQ_TYPE_EDGE_FALLING>; 74 + clocks = <&clk26m>; 75 + clock-names = "kpd"; 76 + }; 77 + };