xref: /linux/Documentation/devicetree/bindings/hwlock/ti,omap-hwspinlock.yaml (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/hwlock/ti,omap-hwspinlock.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: TI HwSpinlock for OMAP and K3 based SoCs
8
9maintainers:
10  - Suman Anna <s-anna@ti.com>
11
12properties:
13  compatible:
14    enum:
15      - ti,omap4-hwspinlock  # for OMAP44xx, OMAP54xx, AM33xx, AM43xx, DRA7xx SoCs
16      - ti,am64-hwspinlock   # for K3 AM64x SoCs
17      - ti,am654-hwspinlock  # for K3 AM65x, J721E and J7200 SoCs
18
19  reg:
20    maxItems: 1
21
22  "#hwlock-cells":
23    const: 1
24    description: |
25      The OMAP hwspinlock users will use a 0-indexed relative hwlock number as
26      the argument specifier value for requesting a specific hwspinlock within
27      a hwspinlock bank.
28
29      Please look at the generic hwlock binding for usage information for
30      consumers, "Documentation/devicetree/bindings/hwlock/hwlock.txt"
31
32required:
33  - compatible
34  - reg
35  - "#hwlock-cells"
36
37additionalProperties: false
38
39examples:
40
41  - |
42    spinlock@4a0f6000 {
43        compatible = "ti,omap4-hwspinlock";
44        reg = <0x4a0f6000 0x1000>;
45        #hwlock-cells = <1>;
46    };
47