summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
blob: 2c3d6553a7bac692f688adaf9ac5ff568d862e46 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/qcom,sc8280xp-qmp-pcie-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm QMP PHY controller (PCIe, SC8280XP)

maintainers:
  - Vinod Koul <vkoul@kernel.org>

description:
  The QMP PHY controller supports physical layer functionality for a number of
  controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB.

properties:
  compatible:
    enum:
      - qcom,sa8775p-qmp-gen4x2-pcie-phy
      - qcom,sa8775p-qmp-gen4x4-pcie-phy
      - qcom,sc8180x-qmp-pcie-phy
      - qcom,sc8280xp-qmp-gen3x1-pcie-phy
      - qcom,sc8280xp-qmp-gen3x2-pcie-phy
      - qcom,sc8280xp-qmp-gen3x4-pcie-phy
      - qcom,sdm845-qhp-pcie-phy
      - qcom,sdm845-qmp-pcie-phy
      - qcom,sdx55-qmp-pcie-phy
      - qcom,sdx65-qmp-gen4x2-pcie-phy
      - qcom,sm8150-qmp-gen3x1-pcie-phy
      - qcom,sm8150-qmp-gen3x2-pcie-phy
      - qcom,sm8250-qmp-gen3x1-pcie-phy
      - qcom,sm8250-qmp-gen3x2-pcie-phy
      - qcom,sm8250-qmp-modem-pcie-phy
      - qcom,sm8350-qmp-gen3x1-pcie-phy
      - qcom,sm8450-qmp-gen3x1-pcie-phy
      - qcom,sm8450-qmp-gen4x2-pcie-phy
      - qcom,sm8550-qmp-gen3x2-pcie-phy
      - qcom,sm8550-qmp-gen4x2-pcie-phy

  reg:
    minItems: 1
    maxItems: 2

  clocks:
    minItems: 5
    maxItems: 7

  clock-names:
    minItems: 5
    items:
      - const: aux
      - const: cfg_ahb
      - const: ref
      - enum: [rchng, refgen]
      - const: pipe
      - const: pipediv2
      - const: phy_aux

  power-domains:
    maxItems: 1

  resets:
    minItems: 1
    maxItems: 2

  reset-names:
    minItems: 1
    items:
      - const: phy
      - const: phy_nocsr

  vdda-phy-supply: true

  vdda-pll-supply: true

  vdda-qref-supply: true

  qcom,4ln-config-sel:
    description: PCIe 4-lane configuration
    $ref: /schemas/types.yaml#/definitions/phandle-array
    items:
      - items:
          - description: phandle of TCSR syscon
          - description: offset of PCIe 4-lane configuration register
          - description: offset of configuration bit for this PHY

  "#clock-cells":
    const: 0

  clock-output-names:
    maxItems: 1

  "#phy-cells":
    const: 0

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - resets
  - reset-names
  - vdda-phy-supply
  - vdda-pll-supply
  - "#clock-cells"
  - clock-output-names
  - "#phy-cells"

additionalProperties: false

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,sc8280xp-qmp-gen3x4-pcie-phy
    then:
      properties:
        reg:
          items:
            - description: port a
            - description: port b
      required:
        - qcom,4ln-config-sel
    else:
      properties:
        reg:
          maxItems: 1

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,sc8180x-qmp-pcie-phy
              - qcom,sdm845-qhp-pcie-phy
              - qcom,sdm845-qmp-pcie-phy
              - qcom,sdx55-qmp-pcie-phy
              - qcom,sm8150-qmp-gen3x1-pcie-phy
              - qcom,sm8150-qmp-gen3x2-pcie-phy
              - qcom,sm8250-qmp-gen3x1-pcie-phy
              - qcom,sm8250-qmp-gen3x2-pcie-phy
              - qcom,sm8250-qmp-modem-pcie-phy
              - qcom,sm8350-qmp-gen3x1-pcie-phy
              - qcom,sm8450-qmp-gen3x1-pcie-phy
              - qcom,sm8450-qmp-gen3x2-pcie-phy
              - qcom,sm8550-qmp-gen3x2-pcie-phy
              - qcom,sm8550-qmp-gen4x2-pcie-phy
    then:
      properties:
        clocks:
          maxItems: 5
        clock-names:
          maxItems: 5

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,sc8280xp-qmp-gen3x1-pcie-phy
              - qcom,sc8280xp-qmp-gen3x2-pcie-phy
              - qcom,sc8280xp-qmp-gen3x4-pcie-phy
    then:
      properties:
        clocks:
          minItems: 6
        clock-names:
          minItems: 6

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,sa8775p-qmp-gen4x2-pcie-phy
              - qcom,sa8775p-qmp-gen4x4-pcie-phy
    then:
      properties:
        clocks:
          minItems: 7
        clock-names:
          minItems: 7

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,sm8550-qmp-gen4x2-pcie-phy
    then:
      properties:
        resets:
          minItems: 2
        reset-names:
          minItems: 2
    else:
      properties:
        resets:
          maxItems: 1
        reset-names:
          maxItems: 1

examples:
  - |
    #include <dt-bindings/clock/qcom,gcc-sc8280xp.h>

    pcie2b_phy: phy@1c18000 {
      compatible = "qcom,sc8280xp-qmp-gen3x2-pcie-phy";
      reg = <0x01c18000 0x2000>;

      clocks = <&gcc GCC_PCIE_2B_AUX_CLK>,
               <&gcc GCC_PCIE_2B_CFG_AHB_CLK>,
               <&gcc GCC_PCIE_2A2B_CLKREF_CLK>,
               <&gcc GCC_PCIE2B_PHY_RCHNG_CLK>,
               <&gcc GCC_PCIE_2B_PIPE_CLK>,
               <&gcc GCC_PCIE_2B_PIPEDIV2_CLK>;
      clock-names = "aux", "cfg_ahb", "ref", "rchng",
                    "pipe", "pipediv2";

      power-domains = <&gcc PCIE_2B_GDSC>;

      resets = <&gcc GCC_PCIE_2B_PHY_BCR>;
      reset-names = "phy";

      vdda-phy-supply = <&vreg_l6d>;
      vdda-pll-supply = <&vreg_l4d>;

      #clock-cells = <0>;
      clock-output-names = "pcie_2b_pipe_clk";

      #phy-cells = <0>;
    };

    pcie2a_phy: phy@1c24000 {
      compatible = "qcom,sc8280xp-qmp-gen3x4-pcie-phy";
      reg = <0x01c24000 0x2000>, <0x01c26000 0x2000>;

      clocks = <&gcc GCC_PCIE_2A_AUX_CLK>,
               <&gcc GCC_PCIE_2A_CFG_AHB_CLK>,
               <&gcc GCC_PCIE_2A2B_CLKREF_CLK>,
               <&gcc GCC_PCIE2A_PHY_RCHNG_CLK>,
               <&gcc GCC_PCIE_2A_PIPE_CLK>,
               <&gcc GCC_PCIE_2A_PIPEDIV2_CLK>;
      clock-names = "aux", "cfg_ahb", "ref", "rchng",
                    "pipe", "pipediv2";

      power-domains = <&gcc PCIE_2A_GDSC>;

      resets = <&gcc GCC_PCIE_2A_PHY_BCR>;
      reset-names = "phy";

      vdda-phy-supply = <&vreg_l6d>;
      vdda-pll-supply = <&vreg_l4d>;

      qcom,4ln-config-sel = <&tcsr 0xa044 0>;

      #clock-cells = <0>;
      clock-output-names = "pcie_2a_pipe_clk";

      #phy-cells = <0>;
    };