| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Apple ANS NVM Express host controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Sven Peter <sven@svenpeter.dev> |
| 11 | |
| 12 | properties: |
| 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 | |
| 65 | if: |
| 66 | properties: |
| 67 | compatible: |
| 68 | contains: |
| 69 | enum: |
| 70 | - apple,t8103-nvme-ans2 |
| 71 | - apple,t8112-nvme-ans2 |
| 72 | then: |
| 73 | properties: |
| 74 | power-domains: |
| 75 | maxItems: 2 |
| 76 | power-domain-names: |
| 77 | maxItems: 2 |
| 78 | else: |
| 79 | properties: |
| 80 | power-domains: |
| 81 | minItems: 3 |
| 82 | power-domain-names: |
| 83 | minItems: 3 |
| 84 | |
| 85 | required: |
| 86 | - compatible |
| 87 | - reg |
| 88 | - reg-names |
| 89 | - resets |
| 90 | - power-domains |
| 91 | - power-domain-names |
| 92 | - mboxes |
| 93 | - interrupts |
| 94 | - apple,sart |
| 95 | |
| 96 | additionalProperties: false |
| 97 | |
| 98 | examples: |
| 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 | }; |