xref: /linux/Documentation/devicetree/bindings/ata/mediatek,mtk-ahci.yaml (revision 1f20a5769446a1acae67ac9e63d07a594829a789) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/ata/mediatek,mtk-ahci.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MediaTek Serial ATA controller
8
9maintainers:
10  - Ryder Lee <ryder.lee@mediatek.com>
11
12allOf:
13  - $ref: ahci-common.yaml#
14
15properties:
16  compatible:
17    items:
18      - enum:
19          - mediatek,mt7622-ahci
20      - const: mediatek,mtk-ahci
21
22  reg:
23    maxItems: 1
24
25  interrupts:
26    maxItems: 1
27
28  interrupt-names:
29    const: hostc
30
31  clocks:
32    maxItems: 5
33
34  clock-names:
35    items:
36      - const: ahb
37      - const: axi
38      - const: asic
39      - const: rbc
40      - const: pm
41
42  power-domains:
43    maxItems: 1
44
45  resets:
46    maxItems: 3
47
48  reset-names:
49    items:
50      - const: axi
51      - const: sw
52      - const: reg
53
54  mediatek,phy-mode:
55    description: System controller phandle, used to enable SATA function
56    $ref: /schemas/types.yaml#/definitions/phandle
57
58required:
59  - reg
60  - interrupts
61  - interrupt-names
62  - clocks
63  - clock-names
64  - phys
65  - phy-names
66  - ports-implemented
67
68unevaluatedProperties: false
69
70examples:
71  - |
72    #include <dt-bindings/clock/mt7622-clk.h>
73    #include <dt-bindings/interrupt-controller/arm-gic.h>
74    #include <dt-bindings/phy/phy.h>
75    #include <dt-bindings/power/mt7622-power.h>
76    #include <dt-bindings/reset/mt7622-reset.h>
77
78    sata@1a200000 {
79        compatible = "mediatek,mt7622-ahci", "mediatek,mtk-ahci";
80        reg = <0x1a200000 0x1100>;
81        interrupts = <GIC_SPI 233 IRQ_TYPE_LEVEL_HIGH>;
82        interrupt-names = "hostc";
83        clocks = <&pciesys CLK_SATA_AHB_EN>,
84                 <&pciesys CLK_SATA_AXI_EN>,
85                 <&pciesys CLK_SATA_ASIC_EN>,
86                 <&pciesys CLK_SATA_RBC_EN>,
87                 <&pciesys CLK_SATA_PM_EN>;
88        clock-names = "ahb", "axi", "asic", "rbc", "pm";
89        phys = <&u3port1 PHY_TYPE_SATA>;
90        phy-names = "sata-phy";
91        ports-implemented = <0x1>;
92        power-domains = <&scpsys MT7622_POWER_DOMAIN_HIF0>;
93        resets = <&pciesys MT7622_SATA_AXI_BUS_RST>,
94                 <&pciesys MT7622_SATA_PHY_SW_RST>,
95                 <&pciesys MT7622_SATA_PHY_REG_RST>;
96        reset-names = "axi", "sw", "reg";
97        mediatek,phy-mode = <&pciesys>;
98    };
99