[PATCH v3 2/3] dt-bindings: phy: ti,phy-usb3: convert to DT schema

[Charan Pedumuru]

On 23-01-2026 05:03, Rob Herring wrote:
> On Thu, Jan 22, 2026 at 05:52:58PM +0000, Charan Pedumuru wrote:
>> Convert TI PIPE3 PHY binding to DT schema.
>> Changes during conversion:
>> - Define a new pattern 'pcie-phy' to match nodes defined in DT.
>> - Drop obsolete "id" property from the schema.
>>
>> Signed-off-by: Charan Pedumuru <charan.pedumuru at gmail.com>
>> ---
>>  .../devicetree/bindings/phy/ti,phy-usb3.yaml       | 135 +++++++++++++++++++++
>>  1 file changed, 135 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/phy/ti,phy-usb3.yaml b/Documentation/devicetree/bindings/phy/ti,phy-usb3.yaml
>> new file mode 100644
>> index 000000000000..605f12f0f79a
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/phy/ti,phy-usb3.yaml
>> @@ -0,0 +1,135 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/phy/ti,phy-usb3.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: TI PIPE3 PHY Module
>> +
>> +maintainers:
>> +  - Roger Quadros <rogerq at ti.com>
>> +
>> +description:
>> +  The TI PIPE3 PHY is a high-speed SerDes (Serializer/Deserializer)
>> +  transceiver integrated in OMAP5, DRA7xx/AM57xx, and similar SoCs.
>> +  It supports multiple protocols (USB3, SATA, PCIe) using the PIPE3
>> +  interface standard, which defines a common physical layer for
>> +  high-speed serial interfaces.
>> +
>> +properties:
>> +  $nodename:
>> +    pattern: "^(pcie-phy|usb3-phy|phy)@[0-9a-f]+$"
>> +
>> +  compatible:
>> +    enum:
>> +      - ti,omap-usb3
>> +      - ti,phy-pipe3-pcie
>> +      - ti,phy-pipe3-sata
>> +      - ti,phy-usb3
>> +
>> +  reg:
>> +    minItems: 2
>> +    maxItems: 3
>> +
>> +  reg-names:
>> +    minItems: 2
>> +    items:
>> +      - const: phy_rx
>> +      - const: phy_tx
>> +      - const: pll_ctrl
>> +
>> +  "#phy-cells":
>> +    const: 0
>> +
>> +  clocks:
>> +    minItems: 2
>> +    maxItems: 7
>> +
>> +  clock-names:
>> +    minItems: 2
>> +    maxItems: 7
>> +    items:
>> +      enum: [wkupclk, sysclk, refclk, dpll_ref,
>> +             dpll_ref_m2, phy-div, div-clk]
>> +
>> +  syscon-phy-power:
>> +    $ref: /schemas/types.yaml#/definitions/phandle-array
>> +    items:
>> +      items:
>> +        - description: Phandle to the system control module
>> +        - description: Register offset controlling PHY power
> 
> This allows N entries of 2 cells each. You need either:
> 
> items:
>   - items:
>       - description: ...
>       - description: ...
> 
> (the hyphen is important!)
> 
> Or:
> 
> maxItems: 1
> items:
>   items:
>     - description: ...
>     - description: ...

Okay, I will use the above format in the next revision.

> 
>> +
>> +  syscon-pllreset:
>> +    $ref: /schemas/types.yaml#/definitions/phandle-array
>> +    items:
>> +      items:
>> +        - description: Phandle to the system control module
>> +        - description: Register offset of CTRL_CORE_SMA_SW_0
>> +
>> +  syscon-pcs:
>> +    $ref: /schemas/types.yaml#/definitions/phandle-array
>> +    items:
>> +      items:
>> +        - description: Phandle to the system control module
>> +        - description: Register offset for PCS delay programming
>> +
>> +  ctrl-module:
>> +    $ref: /schemas/types.yaml#/definitions/phandle
>> +    description:
>> +      Phandle of control module for PHY power on.
>> +    deprecated: true
>> +
>> +allOf:
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: ti,phy-pipe3-sata
>> +    then:
>> +      properties:
>> +        syscon-pllreset: true
>> +    else:
>> +      properties:
>> +        syscon-pllreset: false
>> +
>> +required:
>> +  - reg
>> +  - compatible
>> +  - reg-names
>> +  - "#phy-cells"
>> +  - clocks
>> +  - clock-names
>> +
>> +unevaluatedProperties: false
>> +
>> +examples:
>> +  - |
>> +    /* TI PIPE3 USB3 PHY */
>> +    usb3-phy at 4a084400 {
>> +        compatible = "ti,phy-usb3";
>> +        reg = <0x4a084400 0x80>,
>> +              <0x4a084800 0x64>,
>> +              <0x4a084c00 0x40>;
>> +        reg-names = "phy_rx", "phy_tx", "pll_ctrl";
>> +        #phy-cells = <0>;
>> +        clocks = <&usb_phy_cm_clk32k>,
>> +                 <&sys_clkin>,
>> +                 <&usb_otg_ss_refclk960m>;
>> +        clock-names = "wkupclk", "sysclk", "refclk";
>> +        ctrl-module = <&omap_control_usb>;
>> +    };
>> +
>> +  - |
>> +    /* TI PIPE3 SATA PHY */
>> +    phy at 4a096000 {
>> +        compatible = "ti,phy-pipe3-sata";
>> +        reg = <0x4A096000 0x80>,  /* phy_rx */
>> +              <0x4A096400 0x64>,  /* phy_tx */
>> +              <0x4A096800 0x40>;  /* pll_ctrl */
> 
> Use lowercase hex.

Sure.

> 
>> +        reg-names = "phy_rx", "phy_tx", "pll_ctrl";
>> +        clocks = <&sys_clkin1>, <&sata_ref_clk>;
>> +        clock-names = "sysclk", "refclk";
>> +        syscon-pllreset = <&scm_conf 0x3fc>;
>> +        #phy-cells = <0>;
>> +    };
>> +...
>>
>> -- 
>> 2.52.0
>>

-- 
Best Regards,
Charan.