xref: /linux/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml (revision 4359a011e259a4608afc7fb3635370c9d4ba5943) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: "http://devicetree.org/schemas/mailbox/qcom,apcs-kpss-global.yaml#"
5$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6
7title: Qualcomm APCS global block bindings
8
9description:
10  This binding describes the APCS "global" block found in various Qualcomm
11  platforms.
12
13maintainers:
14  - Jassi Brar <jassisinghbrar@gmail.com>
15
16properties:
17  compatible:
18    oneOf:
19      - items:
20          - enum:
21              - qcom,ipq6018-apcs-apps-global
22              - qcom,ipq8074-apcs-apps-global
23              - qcom,msm8976-apcs-kpss-global
24              - qcom,msm8996-apcs-hmss-global
25              - qcom,msm8998-apcs-hmss-global
26              - qcom,qcm2290-apcs-hmss-global
27              - qcom,sc7180-apss-shared
28              - qcom,sc8180x-apss-shared
29              - qcom,sdm660-apcs-hmss-global
30              - qcom,sdm845-apss-shared
31              - qcom,sm6125-apcs-hmss-global
32              - qcom,sm6115-apcs-hmss-global
33              - qcom,sm8150-apss-shared
34      - items:
35          - enum:
36              - qcom,msm8916-apcs-kpss-global
37              - qcom,msm8939-apcs-kpss-global
38              - qcom,msm8953-apcs-kpss-global
39              - qcom,msm8994-apcs-kpss-global
40              - qcom,qcs404-apcs-apps-global
41          - const: syscon
42  reg:
43    maxItems: 1
44
45  clocks:
46    description: phandles to the parent clocks of the clock driver
47    minItems: 2
48    items:
49      - description: primary pll parent of the clock driver
50      - description: auxiliary parent
51      - description: reference clock
52
53  '#mbox-cells':
54    const: 1
55
56  '#clock-cells':
57    const: 0
58
59  clock-names:
60    minItems: 2
61    items:
62      - const: pll
63      - const: aux
64      - const: ref
65
66required:
67  - compatible
68  - reg
69  - '#mbox-cells'
70
71additionalProperties: false
72
73allOf:
74  - if:
75      properties:
76        compatible:
77          enum:
78            - qcom,ipq6018-apcs-apps-global
79            - qcom,ipq8074-apcs-apps-global
80            - qcom,msm8916-apcs-kpss-global
81            - qcom,msm8994-apcs-kpss-global
82            - qcom,msm8996-apcs-hmss-global
83            - qcom,msm8998-apcs-hmss-global
84            - qcom,qcs404-apcs-apps-global
85            - qcom,sc7180-apss-shared
86            - qcom,sdm660-apcs-hmss-global
87            - qcom,sdm845-apss-shared
88            - qcom,sm6125-apcs-hmss-global
89            - qcom,sm8150-apss-shared
90    then:
91      properties:
92        clocks:
93          maxItems: 2
94  - if:
95      properties:
96        compatible:
97          enum:
98            - qcom,sdx55-apcs-gcc
99    then:
100      properties:
101        clocks:
102          maxItems: 3
103examples:
104
105  # Example apcs with msm8996
106  - |
107    #include <dt-bindings/interrupt-controller/arm-gic.h>
108    apcs_glb: mailbox@9820000 {
109        compatible = "qcom,msm8996-apcs-hmss-global";
110        reg = <0x9820000 0x1000>;
111
112        #mbox-cells = <1>;
113    };
114
115    rpm-glink {
116        compatible = "qcom,glink-rpm";
117        interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
118        qcom,rpm-msg-ram = <&rpm_msg_ram>;
119        mboxes = <&apcs_glb 0>;
120        mbox-names = "rpm_hlos";
121    };
122
123  # Example apcs with qcs404
124  - |
125    #define GCC_APSS_AHB_CLK_SRC  1
126    #define GCC_GPLL0_AO_OUT_MAIN 123
127    apcs: mailbox@b011000 {
128        compatible = "qcom,qcs404-apcs-apps-global", "syscon";
129        reg = <0x0b011000 0x1000>;
130        #mbox-cells = <1>;
131        clocks = <&apcs_hfpll>, <&gcc GCC_GPLL0_AO_OUT_MAIN>;
132        clock-names = "pll", "aux";
133        #clock-cells = <0>;
134    };
135