1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 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/ufs/cdns,uf 4 $id: http://devicetree.org/schemas/ufs/cdns,ufshc.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Cadence Universal Flash Storage (UFS) C 7 title: Cadence Universal Flash Storage (UFS) Controller
8 8
9 maintainers: 9 maintainers:
10 - Jan Kotas <jank@cadence.com> 10 - Jan Kotas <jank@cadence.com>
11 11
12 # Select only our matches, not all jedec,ufs-2 12 # Select only our matches, not all jedec,ufs-2.0
13 select: 13 select:
14 properties: 14 properties:
15 compatible: 15 compatible:
16 contains: 16 contains:
17 enum: 17 enum:
18 - cdns,ufshc 18 - cdns,ufshc
19 - cdns,ufshc-m31-16nm 19 - cdns,ufshc-m31-16nm
20 required: 20 required:
21 - compatible 21 - compatible
22 22
23 allOf: 23 allOf:
24 - $ref: ufs-common.yaml 24 - $ref: ufs-common.yaml
25 25
26 properties: 26 properties:
27 compatible: 27 compatible:
28 items: 28 items:
29 - enum: 29 - enum:
30 - cdns,ufshc 30 - cdns,ufshc
31 # CDNS UFS HC + M31 16nm PHY 31 # CDNS UFS HC + M31 16nm PHY
32 - cdns,ufshc-m31-16nm 32 - cdns,ufshc-m31-16nm
33 - const: jedec,ufs-2.0 33 - const: jedec,ufs-2.0
34 34
35 clocks: 35 clocks:
36 minItems: 1 36 minItems: 1
37 maxItems: 3 37 maxItems: 3
38 38
39 clock-names: 39 clock-names:
40 minItems: 1 40 minItems: 1
41 items: 41 items:
42 - const: core_clk 42 - const: core_clk
43 - const: phy_clk 43 - const: phy_clk
44 - const: ref_clk 44 - const: ref_clk
45 45
46 power-domains: 46 power-domains:
47 maxItems: 1 47 maxItems: 1
48 48
49 reg: 49 reg:
50 maxItems: 1 50 maxItems: 1
51 51
52 dma-coherent: true <<
53 <<
54 required: 52 required:
55 - compatible 53 - compatible
56 - clocks 54 - clocks
57 - clock-names 55 - clock-names
58 - reg 56 - reg
59 57
60 unevaluatedProperties: false 58 unevaluatedProperties: false
61 59
62 examples: 60 examples:
63 - | 61 - |
64 #include <dt-bindings/interrupt-controller 62 #include <dt-bindings/interrupt-controller/arm-gic.h>
65 63
66 ufs@fd030000 { 64 ufs@fd030000 {
67 compatible = "cdns,ufshc", "jedec,ufs- 65 compatible = "cdns,ufshc", "jedec,ufs-2.0";
68 reg = <0xfd030000 0x10000>; 66 reg = <0xfd030000 0x10000>;
69 interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL 67 interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
70 freq-table-hz = <0 0>, <0 0>; 68 freq-table-hz = <0 0>, <0 0>;
71 clocks = <&ufs_core_clk>, <&ufs_phy_cl 69 clocks = <&ufs_core_clk>, <&ufs_phy_clk>;
72 clock-names = "core_clk", "phy_clk"; 70 clock-names = "core_clk", "phy_clk";
73 }; 71 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.