1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 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/phy/intel,l 4 $id: http://devicetree.org/schemas/phy/intel,lgm-emmc-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Intel Lightning Mountain(LGM) eMMC PHY !! 7 title: Intel Lightning Mountain(LGM) eMMC PHY Device Tree Bindings
8 8
9 maintainers: 9 maintainers:
10 - Ramuthevar Vadivel Murugan <vadivel.murugan 10 - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
11 11
12 description: |+ 12 description: |+
13 Bindings for eMMC PHY on Intel's Lightning M 13 Bindings for eMMC PHY on Intel's Lightning Mountain SoC, syscon
14 node is used to reference the base address o 14 node is used to reference the base address of eMMC phy registers.
15 15
16 The eMMC PHY node should be the child of a s 16 The eMMC PHY node should be the child of a syscon node with the
17 required property: 17 required property:
18 18
19 - compatible: Should be one of the f 19 - compatible: Should be one of the following:
20 "intel,lgm-syscon", "s 20 "intel,lgm-syscon", "syscon"
21 - reg: 21 - reg:
22 maxItems: 1 22 maxItems: 1
23 23
24 properties: 24 properties:
25 compatible: 25 compatible:
26 enum: !! 26 oneOf:
27 - intel,lgm-emmc-phy !! 27 - const: intel,lgm-emmc-phy
28 - intel,keembay-emmc-phy !! 28 - const: intel,keembay-emmc-phy
29 29
30 "#phy-cells": 30 "#phy-cells":
31 const: 0 31 const: 0
32 32
33 reg: 33 reg:
34 maxItems: 1 34 maxItems: 1
35 35
36 clocks: 36 clocks:
37 maxItems: 1 37 maxItems: 1
38 38
39 clock-names: 39 clock-names:
40 items: 40 items:
41 - const: emmcclk 41 - const: emmcclk
42 42
43 required: 43 required:
44 - "#phy-cells" 44 - "#phy-cells"
45 - compatible 45 - compatible
46 - reg 46 - reg
47 - clocks 47 - clocks
48 48
49 additionalProperties: false 49 additionalProperties: false
50 50
51 examples: 51 examples:
52 - | 52 - |
53 sysconf: chiptop@e0200000 { 53 sysconf: chiptop@e0200000 {
54 compatible = "intel,lgm-syscon", "syscon 54 compatible = "intel,lgm-syscon", "syscon";
55 reg = <0xe0200000 0x100>; 55 reg = <0xe0200000 0x100>;
56 #address-cells = <1>; 56 #address-cells = <1>;
57 #size-cells = <1>; 57 #size-cells = <1>;
58 58
59 emmc_phy: emmc-phy@a8 { 59 emmc_phy: emmc-phy@a8 {
60 compatible = "intel,lgm-emmc-phy"; 60 compatible = "intel,lgm-emmc-phy";
61 reg = <0x00a8 0x10>; 61 reg = <0x00a8 0x10>;
62 clocks = <&emmc>; 62 clocks = <&emmc>;
63 #phy-cells = <0>; 63 #phy-cells = <0>;
64 }; 64 };
65 }; 65 };
66 66
67 - | 67 - |
68 phy@20290000 { 68 phy@20290000 {
69 compatible = "intel,keembay-emmc-phy 69 compatible = "intel,keembay-emmc-phy";
70 reg = <0x20290000 0x54>; 70 reg = <0x20290000 0x54>;
71 clocks = <&emmc>; 71 clocks = <&emmc>;
72 clock-names = "emmcclk"; 72 clock-names = "emmcclk";
73 #phy-cells = <0>; 73 #phy-cells = <0>;
74 }; 74 };
75 ... 75 ...
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