xref: /linux/Documentation/devicetree/bindings/phy/lantiq,vrx200-pcie-phy.yaml (revision 14e77332e74603efab8347c89d3cda447c3b97c9) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/lantiq,vrx200-pcie-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Lantiq VRX200 and ARX300 PCIe PHY
8
9maintainers:
10  - Martin Blumenstingl <martin.blumenstingl@googlemail.com>
11
12properties:
13  "#phy-cells":
14    const: 1
15    description: selects the PHY mode as defined in <dt-bindings/phy/phy-lantiq-vrx200-pcie.h>
16
17  compatible:
18    enum:
19      - lantiq,vrx200-pcie-phy
20      - lantiq,arx300-pcie-phy
21
22  reg:
23    maxItems: 1
24
25  clocks:
26    items:
27      - description: PHY module clock
28      - description: PDI register clock
29
30  clock-names:
31    items:
32      - const: phy
33      - const: pdi
34
35  resets:
36    items:
37      - description: exclusive PHY reset line
38      - description: shared reset line between the PCIe PHY and PCIe controller
39
40  reset-names:
41    items:
42      - const: phy
43      - const: pcie
44
45  lantiq,rcu:
46    $ref: /schemas/types.yaml#/definitions/phandle
47    description: phandle to the RCU syscon
48
49  lantiq,rcu-endian-offset:
50    $ref: /schemas/types.yaml#/definitions/uint32
51    description: the offset of the endian registers for this PHY instance in the RCU syscon
52
53  lantiq,rcu-big-endian-mask:
54    $ref: /schemas/types.yaml#/definitions/uint32
55    description: the mask to set the PDI (PHY) registers for this PHY instance to big endian
56
57  big-endian:
58    description: Configures the PDI (PHY) registers in big-endian mode
59    type: boolean
60
61  little-endian:
62    description: Configures the PDI (PHY) registers in big-endian mode
63    type: boolean
64
65required:
66  - "#phy-cells"
67  - compatible
68  - reg
69  - clocks
70  - clock-names
71  - resets
72  - reset-names
73  - lantiq,rcu
74  - lantiq,rcu-endian-offset
75  - lantiq,rcu-big-endian-mask
76
77additionalProperties: false
78
79examples:
80  - |
81    pcie0_phy: phy@106800 {
82        compatible = "lantiq,vrx200-pcie-phy";
83        reg = <0x106800 0x100>;
84        lantiq,rcu = <&rcu0>;
85        lantiq,rcu-endian-offset = <0x4c>;
86        lantiq,rcu-big-endian-mask = <0x80>; /* bit 7 */
87        big-endian;
88        clocks = <&pmu 32>, <&pmu 36>;
89        clock-names = "phy", "pdi";
90        resets = <&reset0 12 24>, <&reset0 22 22>;
91        reset-names = "phy", "pcie";
92        #phy-cells = <1>;
93    };
94
95...
96