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dt-bindings: usb: Add Qualcomm PMIC Type-C

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Add a description for the Type-C silicon interface inside Qualcomm's
PM8150b hardware block.

Based on original work by Wesley.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20230508142308.1656410-6-bryan.odonoghue@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bryan O'Donoghue 2023-05-08 15:23:00 +01:00 committed by Greg Kroah-Hartman
parent 6bae03b048
commit 00bb478b82
1 changed files with 190 additions and 0 deletions
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190
Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml Normal file
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/qcom,pmic-typec.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm PMIC based USB Type-C block
maintainers:
- Bryan O'Donoghue <bryan.odonoghue@linaro.org>
description:
Qualcomm PMIC Type-C block
properties:
compatible:
enum:
- qcom,pm8150b-typec
connector:
type: object
$ref: /schemas/connector/usb-connector.yaml#
unevaluatedProperties: false
reg:
description: Type-C port and pdphy SPMI register base offsets
maxItems: 2
interrupts:
items:
- description: Type-C CC attach notification, VBUS error, tCCDebounce done
- description: Type-C VCONN powered
- description: Type-C CC state change
- description: Type-C VCONN over-current
- description: Type-C VBUS state change
- description: Type-C Attach/detach notification
- description: Type-C Legacy cable detect
- description: Type-C Try.Src Try.Snk state change
- description: Power Domain Signal TX - HardReset or CableReset signal TX
- description: Power Domain Signal RX - HardReset or CableReset signal RX
- description: Power Domain TX complete
- description: Power Domain RX complete
- description: Power Domain TX fail
- description: Power Domain TX message discard
- description: Power Domain RX message discard
- description: Power Domain Fast Role Swap event
interrupt-names:
items:
- const: or-rid-detect-change
- const: vpd-detect
- const: cc-state-change
- const: vconn-oc
- const: vbus-change
- const: attach-detach
- const: legacy-cable-detect
- const: try-snk-src-detect
- const: sig-tx
- const: sig-rx
- const: msg-tx
- const: msg-rx
- const: msg-tx-failed
- const: msg-tx-discarded
- const: msg-rx-discarded
- const: fr-swap
vdd-vbus-supply:
description: VBUS power supply.
vdd-pdphy-supply:
description: VDD regulator supply to the PDPHY.
port:
$ref: /schemas/graph.yaml#/properties/port
description:
Contains a port which produces data-role switching messages.
required:
- compatible
- reg
- interrupts
- interrupt-names
- vdd-vbus-supply
- vdd-pdphy-supply
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/usb/pd.h>
pmic {
#address-cells = <1>;
#size-cells = <0>;
pm8150b_typec: typec@1500 {
compatible = "qcom,pm8150b-typec";
reg = <0x1500>,
<0x1700>;
interrupts = <0x2 0x15 0x00 IRQ_TYPE_EDGE_RISING>,
<0x2 0x15 0x01 IRQ_TYPE_EDGE_BOTH>,
<0x2 0x15 0x02 IRQ_TYPE_EDGE_RISING>,
<0x2 0x15 0x03 IRQ_TYPE_EDGE_BOTH>,
<0x2 0x15 0x04 IRQ_TYPE_EDGE_RISING>,
<0x2 0x15 0x05 IRQ_TYPE_EDGE_RISING>,
<0x2 0x15 0x06 IRQ_TYPE_EDGE_BOTH>,
<0x2 0x15 0x07 IRQ_TYPE_EDGE_RISING>,
<0x2 0x17 0x00 IRQ_TYPE_EDGE_RISING>,
<0x2 0x17 0x01 IRQ_TYPE_EDGE_RISING>,
<0x2 0x17 0x02 IRQ_TYPE_EDGE_RISING>,
<0x2 0x17 0x03 IRQ_TYPE_EDGE_RISING>,
<0x2 0x17 0x04 IRQ_TYPE_EDGE_RISING>,
<0x2 0x17 0x05 IRQ_TYPE_EDGE_RISING>,
<0x2 0x17 0x06 IRQ_TYPE_EDGE_RISING>,
<0x2 0x17 0x07 IRQ_TYPE_EDGE_RISING>;
interrupt-names = "or-rid-detect-change",
"vpd-detect",
"cc-state-change",
"vconn-oc",
"vbus-change",
"attach-detach",
"legacy-cable-detect",
"try-snk-src-detect",
"sig-tx",
"sig-rx",
"msg-tx",
"msg-rx",
"msg-tx-failed",
"msg-tx-discarded",
"msg-rx-discarded",
"fr-swap";
vdd-vbus-supply = <&pm8150b_vbus>;
vdd-pdphy-supply = <&vreg_l2a_3p1>;
connector {
compatible = "usb-c-connector";
power-role = "source";
data-role = "dual";
self-powered;
source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_DUAL_ROLE |
PDO_FIXED_USB_COMM | PDO_FIXED_DATA_SWAP)>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
pmic_typec_mux_out: endpoint {
remote-endpoint = <&usb_phy_typec_mux_in>;
};
};
port@1 {
reg = <1>;
pmic_typec_role_switch_out: endpoint {
remote-endpoint = <&usb_role_switch_in>;
};
};
};
};
};
};
usb {
dr_mode = "otg";
usb-role-switch;
port {
usb_role_switch_in: endpoint {
remote-endpoint = <&pmic_typec_role_switch_out>;
};
};
};
usb-phy {
orientation-switch;
port {
usb_phy_typec_mux_in: endpoint {
remote-endpoint = <&pmic_typec_mux_out>;
};
};
};
...