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/i2c/ingenic 4 $id: http://devicetree.org/schemas/i2c/ingenic,i2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Ingenic SoCs I2C controller 7 title: Ingenic SoCs I2C controller
8 8
9 maintainers: 9 maintainers:
10 - Paul Cercueil <paul@crapouillou.net> 10 - Paul Cercueil <paul@crapouillou.net>
11 11
12 allOf: 12 allOf:
13 - $ref: /schemas/i2c/i2c-controller.yaml# 13 - $ref: /schemas/i2c/i2c-controller.yaml#
14 14
15 properties: 15 properties:
16 $nodename: 16 $nodename:
17 pattern: "^i2c@[0-9a-f]+$" 17 pattern: "^i2c@[0-9a-f]+$"
18 18
19 compatible: 19 compatible:
20 oneOf: 20 oneOf:
21 - enum: 21 - enum:
22 - ingenic,jz4770-i2c 22 - ingenic,jz4770-i2c
23 - ingenic,x1000-i2c 23 - ingenic,x1000-i2c
24 - items: 24 - items:
25 - const: ingenic,jz4780-i2c 25 - const: ingenic,jz4780-i2c
26 - const: ingenic,jz4770-i2c 26 - const: ingenic,jz4770-i2c
27 27
28 reg: 28 reg:
29 maxItems: 1 29 maxItems: 1
30 30
31 interrupts: 31 interrupts:
32 maxItems: 1 32 maxItems: 1
33 33
34 clocks: 34 clocks:
35 maxItems: 1 35 maxItems: 1
36 36
37 clock-frequency: 37 clock-frequency:
38 enum: [ 100000, 400000 ] 38 enum: [ 100000, 400000 ]
39 39
40 dmas: 40 dmas:
41 items: 41 items:
42 - description: DMA controller phandle an 42 - description: DMA controller phandle and request line for RX
43 - description: DMA controller phandle an 43 - description: DMA controller phandle and request line for TX
44 44
45 dma-names: 45 dma-names:
46 items: 46 items:
47 - const: rx 47 - const: rx
48 - const: tx 48 - const: tx
49 49
50 required: 50 required:
51 - compatible 51 - compatible
52 - reg 52 - reg
53 - interrupts 53 - interrupts
54 - clocks 54 - clocks
55 - clock-frequency 55 - clock-frequency
56 - dmas 56 - dmas
57 - dma-names 57 - dma-names
58 58
59 unevaluatedProperties: false 59 unevaluatedProperties: false
60 60
61 examples: 61 examples:
62 - | 62 - |
63 #include <dt-bindings/clock/ingenic,jz4780 63 #include <dt-bindings/clock/ingenic,jz4780-cgu.h>
64 #include <dt-bindings/dma/jz4780-dma.h> 64 #include <dt-bindings/dma/jz4780-dma.h>
65 #include <dt-bindings/interrupt-controller 65 #include <dt-bindings/interrupt-controller/irq.h>
66 i2c@10054000 { 66 i2c@10054000 {
67 compatible = "ingenic,jz4780-i2c", "inge 67 compatible = "ingenic,jz4780-i2c", "ingenic,jz4770-i2c";
68 #address-cells = <1>; 68 #address-cells = <1>;
69 #size-cells = <0>; 69 #size-cells = <0>;
70 reg = <0x10054000 0x1000>; 70 reg = <0x10054000 0x1000>;
71 71
72 interrupts = <56 IRQ_TYPE_LEVEL_LOW>; 72 interrupts = <56 IRQ_TYPE_LEVEL_LOW>;
73 73
74 clocks = <&cgu JZ4780_CLK_SMB4>; 74 clocks = <&cgu JZ4780_CLK_SMB4>;
75 pinctrl-names = "default"; 75 pinctrl-names = "default";
76 pinctrl-0 = <&pins_i2c4_data>; 76 pinctrl-0 = <&pins_i2c4_data>;
77 77
78 dmas = <&dma JZ4780_DMA_SMB4_RX 0xffffff 78 dmas = <&dma JZ4780_DMA_SMB4_RX 0xffffffff>,
79 <&dma JZ4780_DMA_SMB4_TX 0xffffff 79 <&dma JZ4780_DMA_SMB4_TX 0xffffffff>;
80 dma-names = "rx", "tx"; 80 dma-names = "rx", "tx";
81 81
82 clock-frequency = <400000>; 82 clock-frequency = <400000>;
83 83
84 rtc@51 { 84 rtc@51 {
85 compatible = "nxp,pcf8563"; 85 compatible = "nxp,pcf8563";
86 reg = <0x51>; 86 reg = <0x51>;
87 87
88 interrupts = <30 IRQ_TYPE_LEVEL_LOW>; 88 interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
89 }; 89 };
90 }; 90 };
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