xref: /linux/Documentation/devicetree/bindings/phy/qcom,ipq8074-qmp-pcie-phy.yaml (revision 9f2c9170934eace462499ba0bfe042cc72900173) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/qcom,ipq8074-qmp-pcie-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm QMP PHY controller (PCIe, IPQ8074)
8
9maintainers:
10  - Vinod Koul <vkoul@kernel.org>
11
12description:
13  QMP PHY controller supports physical layer functionality for a number of
14  controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB.
15
16  Note that these bindings are for SoCs up to SC8180X. For newer SoCs, see
17  qcom,sc8280xp-qmp-pcie-phy.yaml.
18
19properties:
20  compatible:
21    enum:
22      - qcom,ipq6018-qmp-pcie-phy
23      - qcom,ipq8074-qmp-gen3-pcie-phy
24      - qcom,ipq8074-qmp-pcie-phy
25      - qcom,msm8998-qmp-pcie-phy
26      - qcom,sc8180x-qmp-pcie-phy
27      - qcom,sdm845-qhp-pcie-phy
28      - qcom,sdm845-qmp-pcie-phy
29      - qcom,sdx55-qmp-pcie-phy
30      - qcom,sm8250-qmp-gen3x1-pcie-phy
31      - qcom,sm8250-qmp-gen3x2-pcie-phy
32      - qcom,sm8250-qmp-modem-pcie-phy
33      - qcom,sm8450-qmp-gen3x1-pcie-phy
34      - qcom,sm8450-qmp-gen4x2-pcie-phy
35
36  reg:
37    items:
38      - description: serdes
39
40  "#address-cells":
41    enum: [ 1, 2 ]
42
43  "#size-cells":
44    enum: [ 1, 2 ]
45
46  ranges: true
47
48  clocks:
49    minItems: 2
50    maxItems: 4
51
52  clock-names:
53    minItems: 2
54    maxItems: 4
55
56  resets:
57    minItems: 1
58    maxItems: 2
59
60  reset-names:
61    minItems: 1
62    maxItems: 2
63
64  vdda-phy-supply: true
65
66  vdda-pll-supply: true
67
68  vddp-ref-clk-supply: true
69
70patternProperties:
71  "^phy@[0-9a-f]+$":
72    type: object
73    description: single PHY-provider child node
74    properties:
75      reg:
76        minItems: 3
77        maxItems: 6
78
79      clocks:
80        items:
81          - description: PIPE clock
82
83      clock-names:
84        deprecated: true
85        items:
86          - const: pipe0
87
88      "#clock-cells":
89        const: 0
90
91      clock-output-names:
92        maxItems: 1
93
94      "#phy-cells":
95        const: 0
96
97    required:
98      - reg
99      - clocks
100      - "#clock-cells"
101      - clock-output-names
102      - "#phy-cells"
103
104    additionalProperties: false
105
106required:
107  - compatible
108  - reg
109  - "#address-cells"
110  - "#size-cells"
111  - ranges
112  - clocks
113  - clock-names
114  - resets
115  - reset-names
116
117additionalProperties: false
118
119allOf:
120  - if:
121      properties:
122        compatible:
123          contains:
124            enum:
125              - qcom,msm8998-qmp-pcie-phy
126    then:
127      properties:
128        clocks:
129          maxItems: 3
130        clock-names:
131          items:
132            - const: aux
133            - const: cfg_ahb
134            - const: ref
135        resets:
136          maxItems: 2
137        reset-names:
138          items:
139            - const: phy
140            - const: common
141      required:
142        - vdda-phy-supply
143        - vdda-pll-supply
144
145  - if:
146      properties:
147        compatible:
148          contains:
149            enum:
150              - qcom,ipq6018-qmp-pcie-phy
151              - qcom,ipq8074-qmp-gen3-pcie-phy
152              - qcom,ipq8074-qmp-pcie-phy
153    then:
154      properties:
155        clocks:
156          maxItems: 2
157        clock-names:
158          items:
159            - const: aux
160            - const: cfg_ahb
161        resets:
162          maxItems: 2
163        reset-names:
164          items:
165            - const: phy
166            - const: common
167
168  - if:
169      properties:
170        compatible:
171          contains:
172            enum:
173              - qcom,sc8180x-qmp-pcie-phy
174              - qcom,sdm845-qhp-pcie-phy
175              - qcom,sdm845-qmp-pcie-phy
176              - qcom,sdx55-qmp-pcie-phy
177              - qcom,sm8250-qmp-gen3x1-pcie-phy
178              - qcom,sm8250-qmp-gen3x2-pcie-phy
179              - qcom,sm8250-qmp-modem-pcie-phy
180              - qcom,sm8450-qmp-gen3x1-pcie-phy
181              - qcom,sm8450-qmp-gen4x2-pcie-phy
182    then:
183      properties:
184        clocks:
185          maxItems: 4
186        clock-names:
187          items:
188            - const: aux
189            - const: cfg_ahb
190            - const: ref
191            - const: refgen
192        resets:
193          maxItems: 1
194        reset-names:
195          items:
196            - const: phy
197      required:
198        - vdda-phy-supply
199        - vdda-pll-supply
200
201  - if:
202      properties:
203        compatible:
204          contains:
205            enum:
206              - qcom,sm8250-qmp-gen3x2-pcie-phy
207              - qcom,sm8250-qmp-modem-pcie-phy
208              - qcom,sm8450-qmp-gen4x2-pcie-phy
209    then:
210      patternProperties:
211        "^phy@[0-9a-f]+$":
212          properties:
213            reg:
214              items:
215                - description: TX lane 1
216                - description: RX lane 1
217                - description: PCS
218                - description: TX lane 2
219                - description: RX lane 2
220                - description: PCS_MISC
221
222  - if:
223      properties:
224        compatible:
225          contains:
226            enum:
227              - qcom,sc8180x-qmp-pcie-phy
228              - qcom,sdm845-qmp-pcie-phy
229              - qcom,sdx55-qmp-pcie-phy
230              - qcom,sm8250-qmp-gen3x1-pcie-phy
231              - qcom,sm8450-qmp-gen3x1-pcie-phy
232    then:
233      patternProperties:
234        "^phy@[0-9a-f]+$":
235          properties:
236            reg:
237              items:
238                - description: TX
239                - description: RX
240                - description: PCS
241                - description: PCS_MISC
242
243  - if:
244      properties:
245        compatible:
246          contains:
247            enum:
248              - qcom,ipq6018-qmp-pcie-phy
249              - qcom,ipq8074-qmp-pcie-phy
250              - qcom,msm8998-qmp-pcie-phy
251              - qcom,sdm845-qhp-pcie-phy
252    then:
253      patternProperties:
254        "^phy@[0-9a-f]+$":
255          properties:
256            reg:
257              items:
258                - description: TX
259                - description: RX
260                - description: PCS
261
262examples:
263  - |
264    #include <dt-bindings/clock/qcom,gcc-sm8250.h>
265    phy-wrapper@1c0e000 {
266        compatible = "qcom,sm8250-qmp-gen3x2-pcie-phy";
267        reg = <0x01c0e000 0x1c0>;
268        #address-cells = <1>;
269        #size-cells = <1>;
270        ranges = <0x0 0x01c0e000 0x1000>;
271
272        clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>,
273                 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
274                 <&gcc GCC_PCIE_WIGIG_CLKREF_EN>,
275                 <&gcc GCC_PCIE1_PHY_REFGEN_CLK>;
276        clock-names = "aux", "cfg_ahb", "ref", "refgen";
277
278        resets = <&gcc GCC_PCIE_1_PHY_BCR>;
279        reset-names = "phy";
280
281        vdda-phy-supply = <&vreg_l10c_0p88>;
282        vdda-pll-supply = <&vreg_l6b_1p2>;
283
284        phy@200 {
285            reg = <0x200 0x170>,
286                  <0x400 0x200>,
287                  <0xa00 0x1f0>,
288                  <0x600 0x170>,
289                  <0x800 0x200>,
290                  <0xe00 0xf4>;
291
292            clocks = <&gcc GCC_PCIE_1_PIPE_CLK>;
293
294            #clock-cells = <0>;
295            clock-output-names = "pcie_1_pipe_clk";
296
297            #phy-cells = <0>;
298        };
299    };
300