xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/ufs/ti,j721e-ufs.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: TI J721e UFS Host Controller Glue Driver
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Vignesh Raghavendra <vigneshr@ti.com>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyunproperties:
13*4882a593Smuzhiyun  compatible:
14*4882a593Smuzhiyun    items:
15*4882a593Smuzhiyun      - const: ti,j721e-ufs
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun  reg:
18*4882a593Smuzhiyun    maxItems: 1
19*4882a593Smuzhiyun    description: address of TI UFS glue registers
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun  clocks:
22*4882a593Smuzhiyun    maxItems: 1
23*4882a593Smuzhiyun    description: phandle to the M-PHY clock
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun  power-domains:
26*4882a593Smuzhiyun    maxItems: 1
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun  assigned-clocks:
29*4882a593Smuzhiyun    maxItems: 1
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun  assigned-clock-parents:
32*4882a593Smuzhiyun    maxItems: 1
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun  "#address-cells":
35*4882a593Smuzhiyun    const: 2
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun  "#size-cells":
38*4882a593Smuzhiyun    const: 2
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun  ranges: true
41*4882a593Smuzhiyun
42*4882a593Smuzhiyunrequired:
43*4882a593Smuzhiyun  - compatible
44*4882a593Smuzhiyun  - reg
45*4882a593Smuzhiyun  - clocks
46*4882a593Smuzhiyun  - power-domains
47*4882a593Smuzhiyun
48*4882a593SmuzhiyunpatternProperties:
49*4882a593Smuzhiyun  "^ufs@[0-9a-f]+$":
50*4882a593Smuzhiyun    type: object
51*4882a593Smuzhiyun    description: |
52*4882a593Smuzhiyun      Cadence UFS controller node must be the child node. Refer
53*4882a593Smuzhiyun      Documentation/devicetree/bindings/ufs/cdns,ufshc.txt for binding
54*4882a593Smuzhiyun      documentation of child node
55*4882a593Smuzhiyun
56*4882a593SmuzhiyunadditionalProperties: false
57*4882a593Smuzhiyun
58*4882a593Smuzhiyunexamples:
59*4882a593Smuzhiyun  - |
60*4882a593Smuzhiyun    #include <dt-bindings/interrupt-controller/irq.h>
61*4882a593Smuzhiyun    #include <dt-bindings/interrupt-controller/arm-gic.h>
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun    bus {
64*4882a593Smuzhiyun        #address-cells = <2>;
65*4882a593Smuzhiyun        #size-cells = <2>;
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun        ufs-wrapper@4e80000 {
68*4882a593Smuzhiyun            compatible = "ti,j721e-ufs";
69*4882a593Smuzhiyun            reg = <0x0 0x4e80000 0x0 0x100>;
70*4882a593Smuzhiyun            power-domains = <&k3_pds 277>;
71*4882a593Smuzhiyun            clocks = <&k3_clks 277 1>;
72*4882a593Smuzhiyun            assigned-clocks = <&k3_clks 277 1>;
73*4882a593Smuzhiyun            assigned-clock-parents = <&k3_clks 277 4>;
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun            ranges = <0x0 0x0 0x0 0x4e80000 0x0 0x14000>;
76*4882a593Smuzhiyun            #address-cells = <2>;
77*4882a593Smuzhiyun            #size-cells = <2>;
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun            ufs@4000 {
80*4882a593Smuzhiyun                compatible = "cdns,ufshc-m31-16nm", "jedec,ufs-2.0";
81*4882a593Smuzhiyun                reg = <0x0 0x4000 0x0 0x10000>;
82*4882a593Smuzhiyun                interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
83*4882a593Smuzhiyun                freq-table-hz = <19200000 19200000>;
84*4882a593Smuzhiyun                power-domains = <&k3_pds 277>;
85*4882a593Smuzhiyun                clocks = <&k3_clks 277 1>;
86*4882a593Smuzhiyun                assigned-clocks = <&k3_clks 277 1>;
87*4882a593Smuzhiyun                assigned-clock-parents = <&k3_clks 277 4>;
88*4882a593Smuzhiyun                clock-names = "core_clk";
89*4882a593Smuzhiyun            };
90*4882a593Smuzhiyun        };
91*4882a593Smuzhiyun    };
92