2020-12-25 07:52:57 +00:00
|
|
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
|
|
|
# Copyright (c) 2020 MediaTek
|
|
|
|
|
%YAML 1.2
|
|
|
|
|
---
|
|
|
|
|
$id: http://devicetree.org/schemas/usb/mediatek,mtu3.yaml#
|
|
|
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
|
|
2022-08-25 02:04:27 +00:00
|
|
|
title: MediaTek USB3 DRD Controller
|
2020-12-25 07:52:57 +00:00
|
|
|
|
|
|
|
|
maintainers:
|
|
|
|
|
- Chunfeng Yun <chunfeng.yun@mediatek.com>
|
|
|
|
|
|
|
|
|
|
allOf:
|
|
|
|
|
- $ref: "usb-drd.yaml"
|
|
|
|
|
|
|
|
|
|
description: |
|
|
|
|
|
The DRD controller has a glue layer IPPC (IP Port Control), and its host is
|
|
|
|
|
based on xHCI.
|
|
|
|
|
|
|
|
|
|
properties:
|
|
|
|
|
compatible:
|
|
|
|
|
items:
|
|
|
|
|
- enum:
|
|
|
|
|
- mediatek,mt2712-mtu3
|
|
|
|
|
- mediatek,mt8173-mtu3
|
|
|
|
|
- mediatek,mt8183-mtu3
|
2022-08-19 08:10:27 +00:00
|
|
|
- mediatek,mt8188-mtu3
|
2021-03-23 07:02:45 +00:00
|
|
|
- mediatek,mt8192-mtu3
|
2022-04-26 13:40:59 +00:00
|
|
|
- mediatek,mt8195-mtu3
|
2020-12-25 07:52:57 +00:00
|
|
|
- const: mediatek,mtu3
|
|
|
|
|
|
|
|
|
|
reg:
|
|
|
|
|
items:
|
|
|
|
|
- description: the registers of device MAC
|
|
|
|
|
- description: the registers of IP Port Control
|
|
|
|
|
|
|
|
|
|
reg-names:
|
|
|
|
|
items:
|
|
|
|
|
- const: mac
|
|
|
|
|
- const: ippc
|
|
|
|
|
|
|
|
|
|
interrupts:
|
2021-07-15 09:07:49 +00:00
|
|
|
description:
|
|
|
|
|
use "interrupts-extended" when the interrupts are connected to the
|
|
|
|
|
separate interrupt controllers
|
|
|
|
|
minItems: 1
|
|
|
|
|
items:
|
|
|
|
|
- description: SSUSB device controller interrupt
|
|
|
|
|
- description: optional, wakeup interrupt used to support runtime PM
|
|
|
|
|
|
|
|
|
|
interrupt-names:
|
|
|
|
|
items:
|
|
|
|
|
- const: device
|
|
|
|
|
- const: wakeup
|
2020-12-25 07:52:57 +00:00
|
|
|
|
|
|
|
|
power-domains:
|
|
|
|
|
description: A phandle to USB power domain node to control USB's MTCMOS
|
|
|
|
|
maxItems: 1
|
|
|
|
|
|
|
|
|
|
clocks:
|
|
|
|
|
minItems: 1
|
|
|
|
|
items:
|
|
|
|
|
- description: Controller clock used by normal mode
|
|
|
|
|
- description: Reference clock used by low power mode etc
|
|
|
|
|
- description: Mcu bus clock for register access
|
|
|
|
|
- description: DMA bus clock for data transfer
|
|
|
|
|
|
|
|
|
|
clock-names:
|
|
|
|
|
minItems: 1
|
|
|
|
|
items:
|
|
|
|
|
- const: sys_ck # required, others are optional
|
|
|
|
|
- const: ref_ck
|
|
|
|
|
- const: mcu_ck
|
|
|
|
|
- const: dma_ck
|
|
|
|
|
|
|
|
|
|
phys:
|
|
|
|
|
description:
|
|
|
|
|
List of all the USB PHYs used, it's better to keep the sequence
|
|
|
|
|
as the hardware layout.
|
|
|
|
|
minItems: 1
|
|
|
|
|
items:
|
|
|
|
|
- description: USB2/HS PHY # required, others are optional
|
|
|
|
|
- description: USB3/SS(P) PHY
|
|
|
|
|
- description: USB2/HS PHY # the following for backward compatible
|
|
|
|
|
- description: USB3/SS(P) PHY
|
|
|
|
|
- description: USB2/HS PHY
|
|
|
|
|
- description: USB3/SS(P) PHY
|
|
|
|
|
- description: USB2/HS PHY
|
|
|
|
|
- description: USB3/SS(P) PHY
|
|
|
|
|
- description: USB2/HS PHY
|
|
|
|
|
|
|
|
|
|
vusb33-supply:
|
|
|
|
|
description: Regulator of USB AVDD3.3v
|
|
|
|
|
|
|
|
|
|
vbus-supply:
|
|
|
|
|
deprecated: true
|
|
|
|
|
description: |
|
|
|
|
|
Regulator of USB VBUS5v, needed when supports dual-role mode.
|
|
|
|
|
Particularly, if use an output GPIO to control a VBUS regulator, should
|
|
|
|
|
model it as a regulator. See bindings/regulator/fixed-regulator.yaml
|
|
|
|
|
It's considered valid for compatibility reasons, not allowed for
|
|
|
|
|
new bindings, and put into a usb-connector node.
|
|
|
|
|
|
|
|
|
|
dr_mode:
|
|
|
|
|
enum: [host, peripheral, otg]
|
|
|
|
|
default: otg
|
|
|
|
|
|
|
|
|
|
maximum-speed:
|
|
|
|
|
enum: [super-speed-plus, super-speed, high-speed, full-speed]
|
|
|
|
|
|
2022-05-23 09:04:47 +00:00
|
|
|
resets:
|
|
|
|
|
maxItems: 1
|
|
|
|
|
|
2020-12-25 07:52:57 +00:00
|
|
|
"#address-cells":
|
|
|
|
|
enum: [1, 2]
|
|
|
|
|
|
|
|
|
|
"#size-cells":
|
|
|
|
|
enum: [1, 2]
|
|
|
|
|
|
|
|
|
|
ranges: true
|
|
|
|
|
|
|
|
|
|
extcon:
|
|
|
|
|
deprecated: true
|
|
|
|
|
description: |
|
2021-07-15 09:07:46 +00:00
|
|
|
Phandle to the extcon device detecting the IDDIG state, needed
|
2020-12-25 07:52:57 +00:00
|
|
|
when supports dual-role mode.
|
|
|
|
|
It's considered valid for compatibility reasons, not allowed for
|
|
|
|
|
new bindings, and use "usb-role-switch" property instead.
|
|
|
|
|
|
|
|
|
|
usb-role-switch:
|
|
|
|
|
$ref: /schemas/types.yaml#/definitions/flag
|
|
|
|
|
description: Support role switch.
|
|
|
|
|
type: boolean
|
|
|
|
|
|
2021-07-15 09:07:48 +00:00
|
|
|
role-switch-default-mode:
|
|
|
|
|
enum: [host, peripheral]
|
|
|
|
|
default: host
|
|
|
|
|
|
2020-12-25 07:52:57 +00:00
|
|
|
connector:
|
2022-03-25 21:56:52 +00:00
|
|
|
$ref: /schemas/connector/usb-connector.yaml#
|
2020-12-25 07:52:57 +00:00
|
|
|
description:
|
|
|
|
|
Connector for dual role switch, especially for "gpio-usb-b-connector"
|
|
|
|
|
type: object
|
|
|
|
|
|
|
|
|
|
port:
|
|
|
|
|
description:
|
|
|
|
|
Any connector to the data bus of this controller should be modelled
|
|
|
|
|
using the OF graph bindings specified, if the "usb-role-switch"
|
|
|
|
|
property is used. See graph.txt
|
2021-03-27 19:14:48 +00:00
|
|
|
$ref: /schemas/graph.yaml#/properties/port
|
2020-12-25 07:52:57 +00:00
|
|
|
|
|
|
|
|
enable-manual-drd:
|
|
|
|
|
$ref: /schemas/types.yaml#/definitions/flag
|
|
|
|
|
description:
|
|
|
|
|
supports manual dual-role switch via debugfs; usually used when
|
|
|
|
|
receptacle is TYPE-A and also wants to support dual-role mode.
|
|
|
|
|
type: boolean
|
|
|
|
|
|
|
|
|
|
wakeup-source:
|
|
|
|
|
description: enable USB remote wakeup, see power/wakeup-source.txt
|
|
|
|
|
type: boolean
|
|
|
|
|
|
|
|
|
|
mediatek,syscon-wakeup:
|
|
|
|
|
$ref: /schemas/types.yaml#/definitions/phandle-array
|
|
|
|
|
maxItems: 1
|
|
|
|
|
description:
|
|
|
|
|
A phandle to syscon used to access the register of the USB wakeup glue
|
|
|
|
|
layer between xHCI and SPM, the field should always be 3 cells long.
|
|
|
|
|
items:
|
|
|
|
|
items:
|
|
|
|
|
- description:
|
|
|
|
|
The first cell represents a phandle to syscon
|
|
|
|
|
- description:
|
|
|
|
|
The second cell represents the register base address of the glue
|
|
|
|
|
layer in syscon
|
2021-03-23 07:02:45 +00:00
|
|
|
- description: |
|
2020-12-25 07:52:57 +00:00
|
|
|
The third cell represents the hardware version of the glue layer,
|
2021-03-23 07:02:45 +00:00
|
|
|
1 - used by mt8173 etc, revision 1 without following IPM rule;
|
|
|
|
|
2 - used by mt2712 etc, revision 2 with following IPM rule;
|
|
|
|
|
101 - used by mt8183, specific 1.01;
|
|
|
|
|
102 - used by mt8192, specific 1.02;
|
|
|
|
|
enum: [1, 2, 101, 102]
|
2020-12-25 07:52:57 +00:00
|
|
|
|
|
|
|
|
mediatek,u3p-dis-msk:
|
|
|
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
|
|
|
description: The mask to disable u3ports, bit0 for u3port0,
|
|
|
|
|
bit1 for u3port1, ... etc
|
|
|
|
|
|
2021-07-15 09:07:47 +00:00
|
|
|
mediatek,u2p-dis-msk:
|
|
|
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
|
|
|
description: The mask to disable u2ports, bit0 for u2port0,
|
|
|
|
|
bit1 for u2port1, ... etc; but can't disable u2port0 if dual role mode
|
|
|
|
|
is enabled, so will be skipped in this case.
|
|
|
|
|
|
2020-12-25 07:52:57 +00:00
|
|
|
# Required child node when support dual-role
|
|
|
|
|
patternProperties:
|
|
|
|
|
"^usb@[0-9a-f]+$":
|
|
|
|
|
type: object
|
2022-03-25 21:56:52 +00:00
|
|
|
$ref: /schemas/usb/mediatek,mtk-xhci.yaml#
|
2020-12-25 07:52:57 +00:00
|
|
|
description:
|
|
|
|
|
The xhci should be added as subnode to mtu3 as shown in the following
|
|
|
|
|
example if the host mode is enabled.
|
|
|
|
|
|
|
|
|
|
dependencies:
|
|
|
|
|
connector: [ 'usb-role-switch' ]
|
|
|
|
|
port: [ 'usb-role-switch' ]
|
2021-07-15 09:07:48 +00:00
|
|
|
role-switch-default-mode: [ 'usb-role-switch' ]
|
2020-12-25 07:52:57 +00:00
|
|
|
wakeup-source: [ 'mediatek,syscon-wakeup' ]
|
|
|
|
|
|
|
|
|
|
required:
|
|
|
|
|
- compatible
|
|
|
|
|
- reg
|
|
|
|
|
- reg-names
|
|
|
|
|
- interrupts
|
|
|
|
|
- clocks
|
|
|
|
|
- clock-names
|
|
|
|
|
|
|
|
|
|
additionalProperties: false
|
|
|
|
|
|
|
|
|
|
examples:
|
|
|
|
|
# Dual role switch by extcon
|
|
|
|
|
- |
|
|
|
|
|
#include <dt-bindings/clock/mt8173-clk.h>
|
|
|
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
|
|
|
|
#include <dt-bindings/interrupt-controller/irq.h>
|
|
|
|
|
#include <dt-bindings/phy/phy.h>
|
|
|
|
|
#include <dt-bindings/power/mt8173-power.h>
|
|
|
|
|
|
|
|
|
|
usb@11271000 {
|
|
|
|
|
compatible = "mediatek,mt8173-mtu3", "mediatek,mtu3";
|
|
|
|
|
reg = <0x11271000 0x3000>, <0x11280700 0x0100>;
|
|
|
|
|
reg-names = "mac", "ippc";
|
|
|
|
|
interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_LOW>;
|
|
|
|
|
phys = <&phy_port0 PHY_TYPE_USB3>, <&phy_port1 PHY_TYPE_USB2>;
|
|
|
|
|
power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>;
|
|
|
|
|
clocks = <&topckgen CLK_TOP_USB30_SEL>;
|
|
|
|
|
clock-names = "sys_ck";
|
|
|
|
|
vusb33-supply = <&mt6397_vusb_reg>;
|
|
|
|
|
vbus-supply = <&usb_p0_vbus>;
|
|
|
|
|
extcon = <&extcon_usb>;
|
|
|
|
|
dr_mode = "otg";
|
|
|
|
|
wakeup-source;
|
|
|
|
|
mediatek,syscon-wakeup = <&pericfg 0x400 1>;
|
|
|
|
|
#address-cells = <1>;
|
|
|
|
|
#size-cells = <1>;
|
|
|
|
|
ranges;
|
|
|
|
|
|
|
|
|
|
xhci: usb@11270000 {
|
|
|
|
|
compatible = "mediatek,mt8173-xhci", "mediatek,mtk-xhci";
|
|
|
|
|
reg = <0x11270000 0x1000>;
|
|
|
|
|
reg-names = "mac";
|
|
|
|
|
interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
|
|
|
|
|
power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>;
|
|
|
|
|
clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>;
|
|
|
|
|
clock-names = "sys_ck", "ref_ck";
|
|
|
|
|
vusb33-supply = <&mt6397_vusb_reg>;
|
|
|
|
|
};
|
|
|
|
|
};
|
|
|
|
|
|
2021-07-15 09:07:46 +00:00
|
|
|
# Dual role switch by gpio-usb-b-connector
|
2020-12-25 07:52:57 +00:00
|
|
|
- |
|
|
|
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
|
|
|
#include <dt-bindings/power/mt2712-power.h>
|
|
|
|
|
|
|
|
|
|
usb@112c1000 {
|
|
|
|
|
compatible = "mediatek,mt2712-mtu3", "mediatek,mtu3";
|
|
|
|
|
reg = <0x112c1000 0x3000>, <0x112d0700 0x0100>;
|
|
|
|
|
reg-names = "mac", "ippc";
|
|
|
|
|
interrupts = <GIC_SPI 248 IRQ_TYPE_LEVEL_LOW>;
|
|
|
|
|
phys = <&u2port2 PHY_TYPE_USB2>;
|
|
|
|
|
power-domains = <&scpsys MT2712_POWER_DOMAIN_USB2>;
|
|
|
|
|
clocks = <&topckgen CLK_TOP_USB30_SEL>;
|
|
|
|
|
clock-names = "sys_ck";
|
2021-07-15 09:07:46 +00:00
|
|
|
dr_mode = "otg";
|
2020-12-25 07:52:57 +00:00
|
|
|
usb-role-switch;
|
2021-07-15 09:07:46 +00:00
|
|
|
#address-cells = <1>;
|
|
|
|
|
#size-cells = <1>;
|
|
|
|
|
ranges;
|
|
|
|
|
|
|
|
|
|
host0: usb@11270000 {
|
|
|
|
|
compatible = "mediatek,mt2712-xhci", "mediatek,mtk-xhci";
|
|
|
|
|
reg = <0x11270000 0x1000>;
|
|
|
|
|
reg-names = "mac";
|
|
|
|
|
interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_LOW>;
|
|
|
|
|
power-domains = <&scpsys MT2712_POWER_DOMAIN_USB>;
|
|
|
|
|
clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>;
|
|
|
|
|
clock-names = "sys_ck", "ref_ck";
|
|
|
|
|
};
|
2020-12-25 07:52:57 +00:00
|
|
|
|
|
|
|
|
connector {
|
|
|
|
|
compatible = "gpio-usb-b-connector", "usb-b-connector";
|
|
|
|
|
type = "micro";
|
2021-07-15 09:07:46 +00:00
|
|
|
id-gpios = <&pio 12 GPIO_ACTIVE_HIGH>;
|
|
|
|
|
vbus-supply = <&usb_p0_vbus>;
|
2020-12-25 07:52:57 +00:00
|
|
|
};
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
# Dual role switch with type-c
|
|
|
|
|
- |
|
|
|
|
|
usb@11201000 {
|
|
|
|
|
compatible ="mediatek,mt8183-mtu3", "mediatek,mtu3";
|
|
|
|
|
reg = <0x11201000 0x2e00>, <0x11203e00 0x0100>;
|
|
|
|
|
reg-names = "mac", "ippc";
|
|
|
|
|
interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_LOW>;
|
|
|
|
|
phys = <&u2port0 PHY_TYPE_USB2>;
|
|
|
|
|
clocks = <&clk26m>;
|
|
|
|
|
clock-names = "sys_ck";
|
|
|
|
|
mediatek,syscon-wakeup = <&pericfg 0x400 1>;
|
|
|
|
|
wakeup-source;
|
|
|
|
|
dr_mode = "otg";
|
|
|
|
|
usb-role-switch;
|
2021-07-15 09:07:48 +00:00
|
|
|
role-switch-default-mode = "host";
|
2020-12-25 07:52:57 +00:00
|
|
|
#address-cells = <1>;
|
|
|
|
|
#size-cells = <1>;
|
|
|
|
|
ranges;
|
|
|
|
|
|
|
|
|
|
host: usb@11200000 {
|
|
|
|
|
compatible = "mediatek,mt8183-xhci", "mediatek,mtk-xhci";
|
|
|
|
|
reg = <0x11200000 0x1000>;
|
|
|
|
|
reg-names = "mac";
|
|
|
|
|
interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_LOW>;
|
|
|
|
|
clocks = <&clk26m>;
|
|
|
|
|
clock-names = "sys_ck";
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
port {
|
|
|
|
|
usb_role_sw: endpoint {
|
|
|
|
|
remote-endpoint = <&hs_ep>;
|
|
|
|
|
};
|
|
|
|
|
};
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
...
|
