mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-01 06:39:05 +00:00
574b9e8d07
The Allwinner H616 SoC has an LRADC which is compatible with the versions in existing SoCs. Add a compatible string for H616, with the R329 fallback. This is the same as the D1, so put them into an enum. Signed-off-by: James McGregor <jamcgregor@protonmail.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20240426092924.15489-2-jamcgregor@protonmail.com Signed-off-by: Chen-Yu Tsai <wens@csie.org>
121 lines
2.3 KiB
YAML
121 lines
2.3 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/input/allwinner,sun4i-a10-lradc-keys.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Allwinner A10 LRADC
|
|
|
|
maintainers:
|
|
- Chen-Yu Tsai <wens@csie.org>
|
|
- Maxime Ripard <mripard@kernel.org>
|
|
|
|
properties:
|
|
compatible:
|
|
oneOf:
|
|
- const: allwinner,sun4i-a10-lradc-keys
|
|
- const: allwinner,sun8i-a83t-r-lradc
|
|
- items:
|
|
- enum:
|
|
- allwinner,suniv-f1c100s-lradc
|
|
- allwinner,sun50i-a64-lradc
|
|
- const: allwinner,sun8i-a83t-r-lradc
|
|
- const: allwinner,sun50i-r329-lradc
|
|
- items:
|
|
- enum:
|
|
- allwinner,sun50i-h616-lradc
|
|
- allwinner,sun20i-d1-lradc
|
|
- const: allwinner,sun50i-r329-lradc
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
maxItems: 1
|
|
|
|
resets:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
vref-supply:
|
|
description:
|
|
Regulator for the LRADC reference voltage
|
|
|
|
wakeup-source: true
|
|
|
|
patternProperties:
|
|
"^button-[0-9]+$":
|
|
type: object
|
|
$ref: input.yaml#
|
|
properties:
|
|
label:
|
|
description: Descriptive name of the key
|
|
|
|
linux,code: true
|
|
|
|
channel:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
enum: [0, 1]
|
|
description: ADC Channel this key is attached to
|
|
|
|
voltage:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
description:
|
|
Voltage in microvolts at LRADC input when this key is
|
|
pressed
|
|
|
|
required:
|
|
- label
|
|
- linux,code
|
|
- channel
|
|
- voltage
|
|
|
|
additionalProperties: false
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- interrupts
|
|
- vref-supply
|
|
|
|
if:
|
|
properties:
|
|
compatible:
|
|
contains:
|
|
enum:
|
|
- allwinner,sun50i-r329-lradc
|
|
|
|
then:
|
|
required:
|
|
- clocks
|
|
- resets
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
lradc: lradc@1c22800 {
|
|
compatible = "allwinner,sun4i-a10-lradc-keys";
|
|
reg = <0x01c22800 0x100>;
|
|
interrupts = <31>;
|
|
vref-supply = <®_vcc3v0>;
|
|
|
|
button-191 {
|
|
label = "Volume Up";
|
|
linux,code = <115>;
|
|
channel = <0>;
|
|
voltage = <191274>;
|
|
};
|
|
|
|
button-392 {
|
|
label = "Volume Down";
|
|
linux,code = <114>;
|
|
channel = <0>;
|
|
voltage = <392644>;
|
|
};
|
|
};
|
|
|
|
...
|