1 # SPDX-License-Identifier: (GPL-2.0-only OR BS !! 1 # SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/hwlock/ti,o 4 $id: http://devicetree.org/schemas/hwlock/ti,omap-hwspinlock.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: TI HwSpinlock for OMAP and K3 based SoC 7 title: TI HwSpinlock for OMAP and K3 based SoCs
8 8
9 maintainers: 9 maintainers:
10 - Suman Anna <s-anna@ti.com> 10 - Suman Anna <s-anna@ti.com>
11 11
12 properties: 12 properties:
13 compatible: 13 compatible:
14 enum: 14 enum:
15 - ti,omap4-hwspinlock # for OMAP44xx, O 15 - ti,omap4-hwspinlock # for OMAP44xx, OMAP54xx, AM33xx, AM43xx, DRA7xx SoCs
16 - ti,am64-hwspinlock # for K3 AM64x So 16 - ti,am64-hwspinlock # for K3 AM64x SoCs
17 - ti,am654-hwspinlock # for K3 AM65x, J 17 - ti,am654-hwspinlock # for K3 AM65x, J721E and J7200 SoCs
18 18
19 reg: 19 reg:
20 maxItems: 1 20 maxItems: 1
21 21
22 "#hwlock-cells": 22 "#hwlock-cells":
23 const: 1 23 const: 1
24 description: | 24 description: |
25 The OMAP hwspinlock users will use a 0-i 25 The OMAP hwspinlock users will use a 0-indexed relative hwlock number as
26 the argument specifier value for request 26 the argument specifier value for requesting a specific hwspinlock within
27 a hwspinlock bank. 27 a hwspinlock bank.
28 28
29 Please look at the generic hwlock bindin 29 Please look at the generic hwlock binding for usage information for
30 consumers, "Documentation/devicetree/bin 30 consumers, "Documentation/devicetree/bindings/hwlock/hwlock.txt"
31 31
32 required: 32 required:
33 - compatible 33 - compatible
34 - reg 34 - reg
35 - "#hwlock-cells" 35 - "#hwlock-cells"
36 36
37 additionalProperties: false 37 additionalProperties: false
38 38
39 examples: 39 examples:
40 40
41 - | 41 - |
42 spinlock@4a0f6000 { !! 42 /* OMAP4 SoCs */
>> 43 hwspinlock: spinlock@4a0f6000 {
43 compatible = "ti,omap4-hwspinlock"; 44 compatible = "ti,omap4-hwspinlock";
44 reg = <0x4a0f6000 0x1000>; 45 reg = <0x4a0f6000 0x1000>;
45 #hwlock-cells = <1>; 46 #hwlock-cells = <1>;
>> 47 };
>> 48
>> 49 - |
>> 50 / {
>> 51 /* K3 AM65x SoCs */
>> 52 model = "Texas Instruments K3 AM654 SoC";
>> 53 compatible = "ti,am654-evm", "ti,am654";
>> 54 #address-cells = <2>;
>> 55 #size-cells = <2>;
>> 56
>> 57 bus@100000 {
>> 58 compatible = "simple-bus";
>> 59 #address-cells = <2>;
>> 60 #size-cells = <2>;
>> 61 ranges = <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mmr */
>> 62 <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>; /* Main NavSS */
>> 63
>> 64 bus@30800000 {
>> 65 compatible = "simple-mfd";
>> 66 #address-cells = <2>;
>> 67 #size-cells = <2>;
>> 68 ranges = <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>;
>> 69
>> 70 spinlock@30e00000 {
>> 71 compatible = "ti,am654-hwspinlock";
>> 72 reg = <0x00 0x30e00000 0x00 0x1000>;
>> 73 #hwlock-cells = <1>;
>> 74 };
>> 75 };
>> 76 };
46 }; 77 };
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