b6bedcf437
Add ON Semiconductor USB Type-C and display port 10Gbps Linear Re-Driver bindings used on MSM platforms. Change-Id: Ia333a63a958a5a890f2743a3ec6dc51d7053b720 Signed-off-by: Ronak Vijay Raheja <quic_rraheja@quicinc.com>
117 lines
3.3 KiB
YAML
117 lines
3.3 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/usb/onsemi-redriver.yaml##
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ON Semiconductor USB Type-C and display port 10Gbps Linear Re-Driver
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maintainers:
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- Ronak Vijay Raheja <quic_rraheja@quicinc.com>
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properties:
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compatible:
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const: onnn,redriver
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reg:
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description: I2C address on the selected bus
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minItems: 1
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extcon:
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description: |
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phandles to external connector devices. The first phandle should point to
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the external connector which provides both "USB" cable events and
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"USB-HOST" cable events. An optional second phandle may be specified for
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DP lane events.
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minItems: 2
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vdd-supply:
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description: phandle to the Vdd supply for Linear Re-Driver
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eq:
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description: |
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Equalization value of re-driver channel A/B/C/D, 8 bit::
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- eq[0] to eq[3]:: Channel A-D parameter for USB.
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- eq[4] to eq[7]:: Channel A-D parameter for DP.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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flat-gain:
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description: |
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Flat gain control value of re-driver channel A/B/C/D, 8 bit::
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- flat_gain[0] to flat_gain[3]:: Channel A-D parameter for USB.
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- flat_gain[4] to flat_gain[7]:: Channel A-D parameter for DP.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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output-comp:
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description: |
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Output compression value of re-driver channel A/B/C/D, 8 bit::
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- output_comp[0] to output_comp[3]:: Channel A-D parameter for USB.
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- output_comp[4] to output_comp[7]:: Channel A-D parameter for DP.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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loss-match:
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description: |
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Loss profile matching control value of re-driver channel A/B/C/D, 8 bit::
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- loss_match[0] to loss_match[3]:: Channel A-D parameter for USB.
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- loss_match[4] to loss_match[7]:: Channel A-D parameter for DP.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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lane-channel-swap:
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description: |
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Most of the designs use this configuration::
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- channel A:: RX1
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- channel B:: TX1
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- channel C:: TX0
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- channel D:: RX0
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Enable this property if the design uses this configuration::
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- channel A:: RX0
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- channel B:: TX0
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- channel C:: TX1
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- channel D:: RX1
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type: boolean
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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i2c@988000 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg=<0x10 0>;
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redriver@19 {
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compatible = "onnn,redriver";
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reg = <0x19>;
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vdd-supply = <&L15B>;
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lane-channel-swap;
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eq = /bits/ 8 <
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/* Parameters for USB */
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0x4 0x4 0x4 0x4
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/* Parameters for DP */
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0x6 0x4 0x4 0x6>;
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flat-gain = /bits/ 8 <
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/* Parameters for USB */
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0x3 0x1 0x1 0x3
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/* Parameters for DP */
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0x2 0x1 0x1 0x2>;
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output-comp = /bits/ 8 <
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/* Parameters for USB */
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0x3 0x3 0x3 0x3
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/* Parameters for DP */
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0x3 0x3 0x3 0x3>;
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loss-match = /bits/ 8 <
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/* Parameters for USB */
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0x1 0x3 0x3 0x1
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/* Parameters for DP */
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0x3 0x3 0x3 0x3>;
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};
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};
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...
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