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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/platform/huawei,gaokun-ec.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Huawei Matebook E Go Embedded Controller
maintainers:
- Pengyu Luo <mitltlatltl@gmail.com>
description:
Different from other Qualcomm Snapdragon sc8180x and sc8280xp-based
machines, the Huawei Matebook E Go tablets use embedded controllers
while others use a system called PMIC GLink which handles battery,
UCSI, USB Type-C DP Alt Mode. In addition, Huawei's implementation
also handles additional features, such as charging thresholds, FN
lock, smart charging, tablet lid status, thermal sensors, and more.
properties:
compatible:
enum:
- huawei,gaokun3-ec
reg:
const: 0x38
'#address-cells':
const: 1
'#size-cells':
const: 0
interrupts:
maxItems: 1
patternProperties:
'^connector@[01]$':
$ref: /schemas/connector/usb-connector.yaml#
properties:
reg:
maxItems: 1
required:
- compatible
- reg
- interrupts
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
embedded-controller@38 {
compatible = "huawei,gaokun3-ec";
reg = <0x38>;
interrupts-extended = <&tlmm 107 IRQ_TYPE_LEVEL_LOW>;
#address-cells = <1>;
#size-cells = <0>;
connector@0 {
compatible = "usb-c-connector";
reg = <0>;
power-role = "dual";
data-role = "dual";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
ucsi0_ss_in: endpoint {
remote-endpoint = <&usb_0_qmpphy_out>;
};
};
port@1 {
reg = <1>;
ucsi0_sbu: endpoint {
remote-endpoint = <&usb0_sbu_mux>;
};
};
};
};
connector@1 {
compatible = "usb-c-connector";
reg = <1>;
power-role = "dual";
data-role = "dual";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
ucsi1_ss_in: endpoint {
remote-endpoint = <&usb_1_qmpphy_out>;
};
};
port@1 {
reg = <1>;
ucsi1_sbu: endpoint {
remote-endpoint = <&usb1_sbu_mux>;
};
};
};
};
};
};
|
