xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/sram/qcom,ocmem.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: On Chip Memory (OCMEM) that is present on some Qualcomm Snapdragon SoCs.
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Brian Masney <masneyb@onstation.org>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyundescription: |
13*4882a593Smuzhiyun  The On Chip Memory (OCMEM) is typically used by the GPU, camera/video, and
14*4882a593Smuzhiyun  audio components on some Snapdragon SoCs.
15*4882a593Smuzhiyun
16*4882a593Smuzhiyunproperties:
17*4882a593Smuzhiyun  compatible:
18*4882a593Smuzhiyun    const: qcom,msm8974-ocmem
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun  reg:
21*4882a593Smuzhiyun    items:
22*4882a593Smuzhiyun      - description: Control registers
23*4882a593Smuzhiyun      - description: OCMEM address range
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun  reg-names:
26*4882a593Smuzhiyun    items:
27*4882a593Smuzhiyun      - const: ctrl
28*4882a593Smuzhiyun      - const: mem
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun  clocks:
31*4882a593Smuzhiyun    items:
32*4882a593Smuzhiyun      - description: Core clock
33*4882a593Smuzhiyun      - description: Interface clock
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun  clock-names:
36*4882a593Smuzhiyun    items:
37*4882a593Smuzhiyun      - const: core
38*4882a593Smuzhiyun      - const: iface
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun  '#address-cells':
41*4882a593Smuzhiyun    const: 1
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun  '#size-cells':
44*4882a593Smuzhiyun    const: 1
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun  ranges:
47*4882a593Smuzhiyun    maxItems: 1
48*4882a593Smuzhiyun
49*4882a593Smuzhiyunrequired:
50*4882a593Smuzhiyun  - compatible
51*4882a593Smuzhiyun  - reg
52*4882a593Smuzhiyun  - reg-names
53*4882a593Smuzhiyun  - clocks
54*4882a593Smuzhiyun  - clock-names
55*4882a593Smuzhiyun  - '#address-cells'
56*4882a593Smuzhiyun  - '#size-cells'
57*4882a593Smuzhiyun  - ranges
58*4882a593Smuzhiyun
59*4882a593SmuzhiyunadditionalProperties: false
60*4882a593Smuzhiyun
61*4882a593SmuzhiyunpatternProperties:
62*4882a593Smuzhiyun  "-sram@[0-9a-f]+$":
63*4882a593Smuzhiyun    type: object
64*4882a593Smuzhiyun    description: A region of reserved memory.
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun    properties:
67*4882a593Smuzhiyun      reg:
68*4882a593Smuzhiyun        maxItems: 1
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun    required:
71*4882a593Smuzhiyun      - reg
72*4882a593Smuzhiyun
73*4882a593Smuzhiyunexamples:
74*4882a593Smuzhiyun  - |
75*4882a593Smuzhiyun      #include <dt-bindings/clock/qcom,rpmcc.h>
76*4882a593Smuzhiyun      #include <dt-bindings/clock/qcom,mmcc-msm8974.h>
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun      ocmem: ocmem@fdd00000 {
79*4882a593Smuzhiyun        compatible = "qcom,msm8974-ocmem";
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun        reg = <0xfdd00000 0x2000>,
82*4882a593Smuzhiyun              <0xfec00000 0x180000>;
83*4882a593Smuzhiyun        reg-names = "ctrl",
84*4882a593Smuzhiyun                    "mem";
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun        clocks = <&rpmcc RPM_SMD_OCMEMGX_CLK>,
87*4882a593Smuzhiyun                 <&mmcc OCMEMCX_OCMEMNOC_CLK>;
88*4882a593Smuzhiyun        clock-names = "core",
89*4882a593Smuzhiyun                      "iface";
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun        #address-cells = <1>;
92*4882a593Smuzhiyun        #size-cells = <1>;
93*4882a593Smuzhiyun        ranges = <0 0xfec00000 0x100000>;
94*4882a593Smuzhiyun
95*4882a593Smuzhiyun        gmu-sram@0 {
96*4882a593Smuzhiyun                reg = <0x0 0x100000>;
97*4882a593Smuzhiyun        };
98*4882a593Smuzhiyun      };
99