linux-loongson/Documentation/devicetree/bindings/phy/qcom,m31-eusb2-phy.yaml
Wesley Cheng 1166a2ca09 dt-bindings: phy: Add the M31 based eUSB2 PHY bindings
On SM8750, the M31 eUSB2 PHY is being used to support USB2. Add the
binding definition for the PHY driver.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Signed-off-by: Melody Olvera <melody.olvera@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250527-sm8750_usb_master-v6-2-d58de3b41d34@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2025-06-15 21:58:52 +05:30

80 lines
1.4 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/qcom,m31-eusb2-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm M31 eUSB2 phy
maintainers:
- Wesley Cheng <quic_wcheng@quicinc.com>
description:
M31 based eUSB2 controller, which supports LS/FS/HS usb connectivity
on Qualcomm chipsets. It is paired with a eUSB2 repeater.
properties:
compatible:
items:
- enum:
- qcom,sm8750-m31-eusb2-phy
reg:
maxItems: 1
"#phy-cells":
const: 0
clocks:
items:
- description: reference clock
clock-names:
items:
- const: ref
resets:
maxItems: 1
phys:
maxItems: 1
description:
Phandle to eUSB2 repeater
vdd-supply:
description:
Phandle to 0.88V regulator supply to PHY digital circuit.
vdda12-supply:
description:
Phandle to 1.2V regulator supply to PHY refclk pll block.
required:
- compatible
- reg
- "#phy-cells"
- clocks
- clock-names
- resets
- vdd-supply
- vdda12-supply
additionalProperties: false
examples:
- |
usb_1_hsphy: phy@88e3000 {
compatible = "qcom,sm8750-m31-eusb2-phy";
reg = <0x88e3000 0x29c>;
clocks = <&tcsrcc_usb2_clkref_en>;
clock-names = "ref";
resets = <&gcc_qusb2phy_prim_bcr>;
#phy-cells = <0>;
vdd-supply = <&vreg_l2d_0p88>;
vdda12-supply = <&vreg_l3g_1p2>;
};