summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
blob: c71b7c065b825334d438e28e3c9ea8c7c3c57135 (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
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/mailbox/qcom,apcs-kpss-global.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"

title: Qualcomm APCS global block

description:
  This binding describes the APCS "global" block found in various Qualcomm
  platforms.

maintainers:
  - Jassi Brar <jassisinghbrar@gmail.com>

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - qcom,ipq6018-apcs-apps-global
              - qcom,ipq8074-apcs-apps-global
              - qcom,msm8976-apcs-kpss-global
              - qcom,msm8996-apcs-hmss-global
              - qcom,msm8998-apcs-hmss-global
              - qcom,qcm2290-apcs-hmss-global
              - qcom,sc7180-apss-shared
              - qcom,sc8180x-apss-shared
              - qcom,sdm660-apcs-hmss-global
              - qcom,sdm845-apss-shared
              - qcom,sm6125-apcs-hmss-global
              - qcom,sm6115-apcs-hmss-global
              - qcom,sm8150-apss-shared
      - items:
          - enum:
              - qcom,msm8916-apcs-kpss-global
              - qcom,msm8939-apcs-kpss-global
              - qcom,msm8953-apcs-kpss-global
              - qcom,msm8994-apcs-kpss-global
              - qcom,qcs404-apcs-apps-global
          - const: syscon
  reg:
    maxItems: 1

  clocks:
    description: phandles to the parent clocks of the clock driver
    minItems: 2
    maxItems: 3

  '#mbox-cells':
    const: 1

  '#clock-cells':
    enum: [0, 1]

  clock-names:
    minItems: 2
    maxItems: 3

required:
  - compatible
  - reg
  - '#mbox-cells'

additionalProperties: false

allOf:
  - if:
      properties:
        compatible:
          enum:
            - qcom,msm8916-apcs-kpss-global
            - qcom,msm8994-apcs-kpss-global
            - qcom,msm8996-apcs-hmss-global
            - qcom,msm8998-apcs-hmss-global
            - qcom,qcs404-apcs-apps-global
            - qcom,sc7180-apss-shared
            - qcom,sdm660-apcs-hmss-global
            - qcom,sdm845-apss-shared
            - qcom,sm6125-apcs-hmss-global
            - qcom,sm8150-apss-shared
    then:
      properties:
        clocks:
          items:
            - description: primary pll parent of the clock driver
            - description: auxiliary parent
        clock-names:
          items:
            - const: pll
            - const: aux
  - if:
      properties:
        compatible:
          enum:
            - qcom,sdx55-apcs-gcc
    then:
      properties:
        clocks:
          items:
            - description: primary pll parent of the clock driver
            - description: auxiliary parent
            - description: reference clock
        clock-names:
          items:
            - const: pll
            - const: aux
            - const: ref
  - if:
      properties:
        compatible:
          enum:
            - qcom,ipq6018-apcs-apps-global
            - qcom,ipq8074-apcs-apps-global
    then:
      properties:
        clocks:
          items:
            - description: primary pll parent of the clock driver
            - description: XO clock
        clock-names:
          items:
            - const: pll
            - const: xo
  - if:
      properties:
        compatible:
          enum:
            - qcom,ipq6018-apcs-apps-global
            - qcom,ipq8074-apcs-apps-global
    then:
      properties:
        '#clock-cells':
          const: 1
    else:
      properties:
        '#clock-cells':
          const: 0

examples:

  # Example apcs with msm8996
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    apcs_glb: mailbox@9820000 {
        compatible = "qcom,msm8996-apcs-hmss-global";
        reg = <0x9820000 0x1000>;

        #mbox-cells = <1>;
    };

    rpm-glink {
        compatible = "qcom,glink-rpm";
        interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
        qcom,rpm-msg-ram = <&rpm_msg_ram>;
        mboxes = <&apcs_glb 0>;
        mbox-names = "rpm_hlos";
    };

  # Example apcs with qcs404
  - |
    #define GCC_APSS_AHB_CLK_SRC  1
    #define GCC_GPLL0_AO_OUT_MAIN 123
    apcs: mailbox@b011000 {
        compatible = "qcom,qcs404-apcs-apps-global", "syscon";
        reg = <0x0b011000 0x1000>;
        #mbox-cells = <1>;
        clocks = <&apcs_hfpll>, <&gcc GCC_GPLL0_AO_OUT_MAIN>;
        clock-names = "pll", "aux";
        #clock-cells = <0>;
    };