xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/nvmem/qcom,spmi-sdam.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/nvmem/qcom,spmi-sdam.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Qualcomm Technologies, Inc. SPMI SDAM DT bindings
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Shyam Kumar Thella <sthella@codeaurora.org>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyundescription: |
13*4882a593Smuzhiyun  The SDAM provides scratch register space for the PMIC clients. This
14*4882a593Smuzhiyun  memory can be used by software to store information or communicate
15*4882a593Smuzhiyun  to/from the PBUS.
16*4882a593Smuzhiyun
17*4882a593SmuzhiyunallOf:
18*4882a593Smuzhiyun  - $ref: "nvmem.yaml#"
19*4882a593Smuzhiyun
20*4882a593Smuzhiyunproperties:
21*4882a593Smuzhiyun  compatible:
22*4882a593Smuzhiyun    enum:
23*4882a593Smuzhiyun      - qcom,spmi-sdam
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun  reg:
26*4882a593Smuzhiyun    maxItems: 1
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun  "#address-cells":
29*4882a593Smuzhiyun    const: 1
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun  "#size-cells":
32*4882a593Smuzhiyun    const: 1
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun  ranges: true
35*4882a593Smuzhiyun
36*4882a593Smuzhiyunrequired:
37*4882a593Smuzhiyun  - compatible
38*4882a593Smuzhiyun  - reg
39*4882a593Smuzhiyun  - ranges
40*4882a593Smuzhiyun
41*4882a593SmuzhiyunpatternProperties:
42*4882a593Smuzhiyun  "^.*@[0-9a-f]+$":
43*4882a593Smuzhiyun    type: object
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun    properties:
46*4882a593Smuzhiyun      reg:
47*4882a593Smuzhiyun        maxItems: 1
48*4882a593Smuzhiyun        description:
49*4882a593Smuzhiyun          Offset and size in bytes within the storage device.
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun      bits:
52*4882a593Smuzhiyun        $ref: /schemas/types.yaml#/definitions/uint32-array
53*4882a593Smuzhiyun        maxItems: 1
54*4882a593Smuzhiyun        items:
55*4882a593Smuzhiyun          items:
56*4882a593Smuzhiyun            - minimum: 0
57*4882a593Smuzhiyun              maximum: 7
58*4882a593Smuzhiyun              description:
59*4882a593Smuzhiyun                Offset in bit within the address range specified by reg.
60*4882a593Smuzhiyun            - minimum: 1
61*4882a593Smuzhiyun              description:
62*4882a593Smuzhiyun                Size in bit within the address range specified by reg.
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun    required:
65*4882a593Smuzhiyun      - reg
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun    additionalProperties: false
68*4882a593Smuzhiyun
69*4882a593SmuzhiyununevaluatedProperties: false
70*4882a593Smuzhiyun
71*4882a593Smuzhiyunexamples:
72*4882a593Smuzhiyun  - |
73*4882a593Smuzhiyun      sdam_1: nvram@b000 {
74*4882a593Smuzhiyun          #address-cells = <1>;
75*4882a593Smuzhiyun          #size-cells = <1>;
76*4882a593Smuzhiyun          compatible = "qcom,spmi-sdam";
77*4882a593Smuzhiyun          reg = <0xb000 0x100>;
78*4882a593Smuzhiyun          ranges = <0 0xb000 0x100>;
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun          /* Data cells */
81*4882a593Smuzhiyun          restart_reason: restart@50 {
82*4882a593Smuzhiyun              reg = <0x50 0x1>;
83*4882a593Smuzhiyun              bits = <6 2>;
84*4882a593Smuzhiyun          };
85*4882a593Smuzhiyun      };
86*4882a593Smuzhiyun...
87