xref: /freebsd/sys/contrib/device-tree/Bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml (revision f126890ac5386406dadf7c4cfa9566cbb56537c5)
1*f126890aSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2*f126890aSEmmanuel Vadot%YAML 1.2
3*f126890aSEmmanuel Vadot---
4*f126890aSEmmanuel Vadot$id: http://devicetree.org/schemas/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml#
5*f126890aSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml#
6*f126890aSEmmanuel Vadot
7*f126890aSEmmanuel Vadottitle: Qualcomm SerDes/SGMII ethernet PHY controller
8*f126890aSEmmanuel Vadot
9*f126890aSEmmanuel Vadotmaintainers:
10*f126890aSEmmanuel Vadot  - Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
11*f126890aSEmmanuel Vadot
12*f126890aSEmmanuel Vadotdescription:
13*f126890aSEmmanuel Vadot  The SerDes PHY sits between the MAC and the external PHY and provides
14*f126890aSEmmanuel Vadot  separate Rx Tx lines.
15*f126890aSEmmanuel Vadot
16*f126890aSEmmanuel Vadotproperties:
17*f126890aSEmmanuel Vadot  compatible:
18*f126890aSEmmanuel Vadot    const: qcom,sa8775p-dwmac-sgmii-phy
19*f126890aSEmmanuel Vadot
20*f126890aSEmmanuel Vadot  reg:
21*f126890aSEmmanuel Vadot    items:
22*f126890aSEmmanuel Vadot      - description: serdes
23*f126890aSEmmanuel Vadot
24*f126890aSEmmanuel Vadot  clocks:
25*f126890aSEmmanuel Vadot    maxItems: 1
26*f126890aSEmmanuel Vadot
27*f126890aSEmmanuel Vadot  clock-names:
28*f126890aSEmmanuel Vadot    const: sgmi_ref
29*f126890aSEmmanuel Vadot
30*f126890aSEmmanuel Vadot  phy-supply:
31*f126890aSEmmanuel Vadot    description:
32*f126890aSEmmanuel Vadot      Phandle to a regulator that provides power to the PHY.
33*f126890aSEmmanuel Vadot
34*f126890aSEmmanuel Vadot  "#phy-cells":
35*f126890aSEmmanuel Vadot    const: 0
36*f126890aSEmmanuel Vadot
37*f126890aSEmmanuel Vadotrequired:
38*f126890aSEmmanuel Vadot  - compatible
39*f126890aSEmmanuel Vadot  - reg
40*f126890aSEmmanuel Vadot  - "#phy-cells"
41*f126890aSEmmanuel Vadot  - clocks
42*f126890aSEmmanuel Vadot  - clock-names
43*f126890aSEmmanuel Vadot
44*f126890aSEmmanuel VadotadditionalProperties: false
45*f126890aSEmmanuel Vadot
46*f126890aSEmmanuel Vadotexamples:
47*f126890aSEmmanuel Vadot  - |
48*f126890aSEmmanuel Vadot    #include <dt-bindings/clock/qcom,sa8775p-gcc.h>
49*f126890aSEmmanuel Vadot    serdes_phy: phy@8901000 {
50*f126890aSEmmanuel Vadot        compatible = "qcom,sa8775p-dwmac-sgmii-phy";
51*f126890aSEmmanuel Vadot        reg = <0x08901000 0xe10>;
52*f126890aSEmmanuel Vadot        clocks = <&gcc GCC_SGMI_CLKREF_EN>;
53*f126890aSEmmanuel Vadot        clock-names = "sgmi_ref";
54*f126890aSEmmanuel Vadot        #phy-cells = <0>;
55*f126890aSEmmanuel Vadot    };
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