xref: /freebsd/sys/contrib/device-tree/Bindings/nvme/apple,nvme-ans.yaml (revision 535af610a4fdace6d50960c0ad9be0597eea7a1b) 
1# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/nvme/apple,nvme-ans.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Apple ANS NVM Express host controller
8
9maintainers:
10  - Sven Peter <sven@svenpeter.dev>
11
12properties:
13  compatible:
14    items:
15      - enum:
16          - apple,t8103-nvme-ans2
17          - apple,t8112-nvme-ans2
18          - apple,t6000-nvme-ans2
19      - const: apple,nvme-ans2
20
21  reg:
22    items:
23      - description: NVMe and NVMMU registers
24      - description: ANS2 co-processor control registers
25
26  reg-names:
27    items:
28      - const: nvme
29      - const: ans
30
31  resets:
32    maxItems: 1
33
34  power-domains:
35    # two domains for t8103, three for t6000
36    minItems: 2
37    items:
38      - description: power domain for the NVMe controller.
39      - description: power domain for the first PCIe bus connecting the NVMe
40          controller to the storage modules.
41      - description: optional power domain for the second PCIe bus
42          connecting the NVMe controller to the storage modules.
43
44  power-domain-names:
45    minItems: 2
46    items:
47      - const: ans
48      - const: apcie0
49      - const: apcie1
50
51  mboxes:
52    maxItems: 1
53    description: Mailbox of the ANS2 co-processor
54
55  interrupts:
56    maxItems: 1
57
58  apple,sart:
59    $ref: /schemas/types.yaml#/definitions/phandle
60    description: |
61      Reference to the SART address filter.
62
63      The SART address filter is documented in iommu/apple,sart.yaml.
64
65if:
66  properties:
67    compatible:
68      contains:
69        enum:
70          - apple,t8103-nvme-ans2
71          - apple,t8112-nvme-ans2
72then:
73  properties:
74    power-domains:
75      maxItems: 2
76    power-domain-names:
77      maxItems: 2
78else:
79  properties:
80    power-domains:
81      minItems: 3
82    power-domain-names:
83      minItems: 3
84
85required:
86  - compatible
87  - reg
88  - reg-names
89  - resets
90  - power-domains
91  - power-domain-names
92  - mboxes
93  - interrupts
94  - apple,sart
95
96additionalProperties: false
97
98examples:
99  - |
100    #include <dt-bindings/interrupt-controller/apple-aic.h>
101    #include <dt-bindings/interrupt-controller/irq.h>
102
103    nvme@7bcc0000 {
104      compatible = "apple,t8103-nvme-ans2", "apple,nvme-ans2";
105      reg = <0x7bcc0000 0x40000>, <0x77400000 0x4000>;
106      reg-names = "nvme", "ans";
107      interrupts = <AIC_IRQ 590 IRQ_TYPE_LEVEL_HIGH>;
108      mboxes = <&ans>;
109      apple,sart = <&sart>;
110      power-domains = <&ps_ans2>, <&ps_apcie_st>;
111      power-domain-names = "ans", "apcie0";
112      resets = <&ps_ans2>;
113    };
114