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 <<
17 - ti,am654-hwspinlock # for K3 AM65x, J 16 - ti,am654-hwspinlock # for K3 AM65x, J721E and J7200 SoCs
18 17
19 reg: 18 reg:
20 maxItems: 1 19 maxItems: 1
21 20
22 "#hwlock-cells": 21 "#hwlock-cells":
23 const: 1 22 const: 1
24 description: | 23 description: |
25 The OMAP hwspinlock users will use a 0-i 24 The OMAP hwspinlock users will use a 0-indexed relative hwlock number as
26 the argument specifier value for request 25 the argument specifier value for requesting a specific hwspinlock within
27 a hwspinlock bank. 26 a hwspinlock bank.
28 27
29 Please look at the generic hwlock bindin 28 Please look at the generic hwlock binding for usage information for
30 consumers, "Documentation/devicetree/bin 29 consumers, "Documentation/devicetree/bindings/hwlock/hwlock.txt"
31 30
32 required: 31 required:
33 - compatible 32 - compatible
34 - reg 33 - reg
35 - "#hwlock-cells" 34 - "#hwlock-cells"
36 35
37 additionalProperties: false 36 additionalProperties: false
38 37
39 examples: 38 examples:
40 39
41 - | 40 - |
42 spinlock@4a0f6000 { !! 41 /* OMAP4 SoCs */
>> 42 hwspinlock: spinlock@4a0f6000 {
43 compatible = "ti,omap4-hwspinlock"; 43 compatible = "ti,omap4-hwspinlock";
44 reg = <0x4a0f6000 0x1000>; 44 reg = <0x4a0f6000 0x1000>;
45 #hwlock-cells = <1>; 45 #hwlock-cells = <1>;
>> 46 };
>> 47
>> 48 - |
>> 49 / {
>> 50 /* K3 AM65x SoCs */
>> 51 model = "Texas Instruments K3 AM654 SoC";
>> 52 compatible = "ti,am654-evm", "ti,am654";
>> 53 #address-cells = <2>;
>> 54 #size-cells = <2>;
>> 55
>> 56 bus@100000 {
>> 57 compatible = "simple-bus";
>> 58 #address-cells = <2>;
>> 59 #size-cells = <2>;
>> 60 ranges = <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mmr */
>> 61 <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>; /* Main NavSS */
>> 62
>> 63 bus@30800000 {
>> 64 compatible = "simple-mfd";
>> 65 #address-cells = <2>;
>> 66 #size-cells = <2>;
>> 67 ranges = <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>;
>> 68
>> 69 spinlock@30e00000 {
>> 70 compatible = "ti,am654-hwspinlock";
>> 71 reg = <0x00 0x30e00000 0x00 0x1000>;
>> 72 #hwlock-cells = <1>;
>> 73 };
>> 74 };
>> 75 };
46 }; 76 };
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