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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/qcom,dwc3.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm SuperSpeed DWC3 USB SoC controller
maintainers:
- Manu Gautam <mgautam@codeaurora.org>
properties:
compatible:
items:
- enum:
- qcom,msm8996-dwc3
- qcom,msm8998-dwc3
- qcom,sc7180-dwc3
- qcom,sdm845-dwc3
- const: qcom,dwc3
reg:
description: Offset and length of register set for QSCRATCH wrapper
maxItems: 1
"#address-cells":
enum: [ 1, 2 ]
"#size-cells":
enum: [ 1, 2 ]
power-domains:
description: specifies a phandle to PM domain provider node
maxItems: 1
clocks:
description:
A list of phandle and clock-specifier pairs for the clocks
listed in clock-names.
items:
- description: System Config NOC clock.
- description: Master/Core clock, has to be >= 125 MHz
for SS operation and >= 60MHz for HS operation.
- description: System bus AXI clock.
- description: Mock utmi clock needed for ITP/SOF generation
in host mode. Its frequency should be 19.2MHz.
- description: Sleep clock, used for wakeup when
USB3 core goes into low power mode (U3).
clock-names:
items:
- const: cfg_noc
- const: core
- const: iface
- const: mock_utmi
- const: sleep
assigned-clocks:
items:
- description: Phandle and clock specifier of MOCK_UTMI_CLK.
- description: Phandle and clock specifoer of MASTER_CLK.
assigned-clock-rates:
maxItems: 2
items:
- description: Must be 19.2MHz (19200000).
- description: Must be >= 60 MHz in HS mode, >= 125 MHz in SS mode.
resets:
maxItems: 1
interconnects:
maxItems: 2
interconnect-names:
items:
- const: usb-ddr
- const: apps-usb
interrupts:
items:
- description: The interrupt that is asserted
when a wakeup event is received on USB2 bus.
- description: The interrupt that is asserted
when a wakeup event is received on USB3 bus.
- description: Wakeup event on DM line.
- description: Wakeup event on DP line.
interrupt-names:
items:
- const: hs_phy_irq
- const: ss_phy_irq
- const: dm_hs_phy_irq
- const: dp_hs_phy_irq
qcom,select-utmi-as-pipe-clk:
description:
If present, disable USB3 pipe_clk requirement.
Used when dwc3 operates without SSPHY and only
HS/FS/LS modes are supported.
type: boolean
# Required child node:
patternProperties:
"^dwc3@[0-9a-f]+$":
type: object
description:
A child node must exist to represent the core DWC3 IP block
The content of the node is defined in dwc3.txt.
required:
- compatible
- reg
- "#address-cells"
- "#size-cells"
- power-domains
- clocks
- clock-names
examples:
- |
#include <dt-bindings/clock/qcom,gcc-sdm845.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
usb@a6f8800 {
compatible = "qcom,sdm845-dwc3", "qcom,dwc3";
reg = <0 0x0a6f8800 0 0x400>;
#address-cells = <2>;
#size-cells = <2>;
clocks = <&gcc GCC_CFG_NOC_USB3_PRIM_AXI_CLK>,
<&gcc GCC_USB30_PRIM_MASTER_CLK>,
<&gcc GCC_AGGRE_USB3_PRIM_AXI_CLK>,
<&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_PRIM_SLEEP_CLK>;
clock-names = "cfg_noc", "core", "iface", "mock_utmi",
"sleep";
assigned-clocks = <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
assigned-clock-rates = <19200000>, <150000000>;
interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 486 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 488 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 489 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";
power-domains = <&gcc USB30_PRIM_GDSC>;
resets = <&gcc GCC_USB30_PRIM_BCR>;
dwc3@a600000 {
compatible = "snps,dwc3";
reg = <0 0x0a600000 0 0xcd00>;
interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
iommus = <&apps_smmu 0x740 0>;
snps,dis_u2_susphy_quirk;
snps,dis_enblslpm_quirk;
phys = <&usb_1_hsphy>, <&usb_1_ssphy>;
phy-names = "usb2-phy", "usb3-phy";
};
};
|
