xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/hwlock/ti,omap-hwspinlock.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$id: http://devicetree.org/schemas/hwlock/ti,omap-hwspinlock.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: TI HwSpinlock for OMAP and K3 based SoCs
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Suman Anna <s-anna@ti.com>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyunproperties:
13*4882a593Smuzhiyun  compatible:
14*4882a593Smuzhiyun    enum:
15*4882a593Smuzhiyun      - ti,omap4-hwspinlock  # for OMAP44xx, OMAP54xx, AM33xx, AM43xx, DRA7xx SoCs
16*4882a593Smuzhiyun      - ti,am654-hwspinlock  # for K3 AM65x, J721E and J7200 SoCs
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun  reg:
19*4882a593Smuzhiyun    maxItems: 1
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun  "#hwlock-cells":
22*4882a593Smuzhiyun    const: 1
23*4882a593Smuzhiyun    description: |
24*4882a593Smuzhiyun      The OMAP hwspinlock users will use a 0-indexed relative hwlock number as
25*4882a593Smuzhiyun      the argument specifier value for requesting a specific hwspinlock within
26*4882a593Smuzhiyun      a hwspinlock bank.
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun      Please look at the generic hwlock binding for usage information for
29*4882a593Smuzhiyun      consumers, "Documentation/devicetree/bindings/hwlock/hwlock.txt"
30*4882a593Smuzhiyun
31*4882a593Smuzhiyunrequired:
32*4882a593Smuzhiyun  - compatible
33*4882a593Smuzhiyun  - reg
34*4882a593Smuzhiyun  - "#hwlock-cells"
35*4882a593Smuzhiyun
36*4882a593SmuzhiyunadditionalProperties: false
37*4882a593Smuzhiyun
38*4882a593Smuzhiyunexamples:
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun  - |
41*4882a593Smuzhiyun    /* OMAP4 SoCs */
42*4882a593Smuzhiyun    hwspinlock: spinlock@4a0f6000 {
43*4882a593Smuzhiyun        compatible = "ti,omap4-hwspinlock";
44*4882a593Smuzhiyun        reg = <0x4a0f6000 0x1000>;
45*4882a593Smuzhiyun        #hwlock-cells = <1>;
46*4882a593Smuzhiyun    };
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun  - |
49*4882a593Smuzhiyun    / {
50*4882a593Smuzhiyun        /* K3 AM65x SoCs */
51*4882a593Smuzhiyun        model = "Texas Instruments K3 AM654 SoC";
52*4882a593Smuzhiyun        compatible = "ti,am654-evm", "ti,am654";
53*4882a593Smuzhiyun        #address-cells = <2>;
54*4882a593Smuzhiyun        #size-cells = <2>;
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun        bus@100000 {
57*4882a593Smuzhiyun            compatible = "simple-bus";
58*4882a593Smuzhiyun            #address-cells = <2>;
59*4882a593Smuzhiyun            #size-cells = <2>;
60*4882a593Smuzhiyun            ranges = <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mmr */
61*4882a593Smuzhiyun                     <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>; /* Main NavSS */
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun            bus@30800000 {
64*4882a593Smuzhiyun                compatible = "simple-mfd";
65*4882a593Smuzhiyun                #address-cells = <2>;
66*4882a593Smuzhiyun                #size-cells = <2>;
67*4882a593Smuzhiyun                ranges = <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>;
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun                spinlock@30e00000 {
70*4882a593Smuzhiyun                    compatible = "ti,am654-hwspinlock";
71*4882a593Smuzhiyun                    reg = <0x00 0x30e00000 0x00 0x1000>;
72*4882a593Smuzhiyun                    #hwlock-cells = <1>;
73*4882a593Smuzhiyun                };
74*4882a593Smuzhiyun            };
75*4882a593Smuzhiyun        };
76*4882a593Smuzhiyun    };
77