132 lines
2.8 KiB
YAML
132 lines
2.8 KiB
YAML
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: http://devicetree.org/schemas/leds/leds-lgm.yaml#
|
||
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
|
||
|
|
title: Intel Lightning Mountain (LGM) SoC LED Serial Shift Output (SSO) Controller driver
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- Zhu, Yi Xin <Yixin.zhu@intel.com>
|
||
|
|
- Amireddy Mallikarjuna reddy <mallikarjunax.reddy@intel.com>
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
const: intel,lgm-ssoled
|
||
|
|
|
||
|
|
reg:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
clocks:
|
||
|
|
maxItems: 2
|
||
|
|
|
||
|
|
clock-names:
|
||
|
|
items:
|
||
|
|
- const: sso
|
||
|
|
- const: fpid
|
||
|
|
|
||
|
|
gpio-controller: true
|
||
|
|
|
||
|
|
'#gpio-cells':
|
||
|
|
const: 2
|
||
|
|
|
||
|
|
ngpios:
|
||
|
|
minimum: 0
|
||
|
|
maximum: 32
|
||
|
|
description:
|
||
|
|
Number of GPIOs this controller provides.
|
||
|
|
|
||
|
|
intel,sso-update-rate-hz:
|
||
|
|
description:
|
||
|
|
Blink frequency for SOUTs in Hz.
|
||
|
|
|
||
|
|
led-controller:
|
||
|
|
type: object
|
||
|
|
description:
|
||
|
|
This sub-node must contain a sub-node for each leds.
|
||
|
|
|
||
|
|
additionalProperties: false
|
||
|
|
|
||
|
|
properties:
|
||
|
|
'#address-cells':
|
||
|
|
const: 1
|
||
|
|
|
||
|
|
'#size-cells':
|
||
|
|
const: 0
|
||
|
|
|
||
|
|
patternProperties:
|
||
|
|
"^led@[0-2]$":
|
||
|
|
type: object
|
||
|
|
|
||
|
|
properties:
|
||
|
|
reg:
|
||
|
|
description: Index of the LED.
|
||
|
|
minimum: 0
|
||
|
|
maximum: 2
|
||
|
|
|
||
|
|
intel,sso-hw-trigger:
|
||
|
|
type: boolean
|
||
|
|
description: This property indicates Hardware driven/control LED.
|
||
|
|
|
||
|
|
intel,sso-hw-blink:
|
||
|
|
type: boolean
|
||
|
|
description: This property indicates Enable LED blink by Hardware.
|
||
|
|
|
||
|
|
intel,sso-blink-rate-hz:
|
||
|
|
description: LED HW blink frequency.
|
||
|
|
|
||
|
|
retain-state-suspended:
|
||
|
|
type: boolean
|
||
|
|
description: The suspend state of LED can be retained.
|
||
|
|
|
||
|
|
retain-state-shutdown:
|
||
|
|
type: boolean
|
||
|
|
description: Retain the state of the LED on shutdown.
|
||
|
|
|
||
|
|
required:
|
||
|
|
- compatible
|
||
|
|
- reg
|
||
|
|
- clocks
|
||
|
|
- clock-names
|
||
|
|
- "#gpio-cells"
|
||
|
|
- gpio-controller
|
||
|
|
|
||
|
|
additionalProperties: false
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
#include <dt-bindings/clock/intel,lgm-clk.h>
|
||
|
|
#include <dt-bindings/leds/common.h>
|
||
|
|
|
||
|
|
ssogpio: ssogpio@e0d40000 {
|
||
|
|
compatible = "intel,lgm-ssoled";
|
||
|
|
reg = <0xE0D40000 0x2E4>;
|
||
|
|
gpio-controller;
|
||
|
|
#gpio-cells = <2>;
|
||
|
|
ngpios = <32>;
|
||
|
|
pinctrl-names = "default";
|
||
|
|
pinctrl-0 = <&pinctrl_ledc>;
|
||
|
|
clocks = <&cgu0 LGM_GCLK_LEDC0>, <&afeclk>;
|
||
|
|
clock-names = "sso", "fpid";
|
||
|
|
intel,sso-update-rate-hz = <250000>;
|
||
|
|
|
||
|
|
led-controller {
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
|
||
|
|
led@0 {
|
||
|
|
reg = <0>;
|
||
|
|
function = "gphy";
|
||
|
|
color = <LED_COLOR_ID_GREEN>;
|
||
|
|
led-gpio = <&ssogpio 0 0>;
|
||
|
|
};
|
||
|
|
|
||
|
|
led@2 {
|
||
|
|
reg = <2>;
|
||
|
|
function = LED_FUNCTION_POWER;
|
||
|
|
color = <LED_COLOR_ID_GREEN>;
|
||
|
|
led-gpio = <&ssogpio 23 0>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|