xref: /freebsd/sys/contrib/device-tree/Bindings/i2c/ingenic,i2c.yaml (revision 8bab661a3316d8bd9b9fbd11a3b4371b91507bd2)
1c66ec88fSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2c66ec88fSEmmanuel Vadot%YAML 1.2
3c66ec88fSEmmanuel Vadot---
4c66ec88fSEmmanuel Vadot$id: http://devicetree.org/schemas/i2c/ingenic,i2c.yaml#
5c66ec88fSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml#
6c66ec88fSEmmanuel Vadot
7*8bab661aSEmmanuel Vadottitle: Ingenic SoCs I2C controller
8c66ec88fSEmmanuel Vadot
9c66ec88fSEmmanuel Vadotmaintainers:
10c66ec88fSEmmanuel Vadot  - Paul Cercueil <paul@crapouillou.net>
11c66ec88fSEmmanuel Vadot
12c66ec88fSEmmanuel VadotallOf:
13c66ec88fSEmmanuel Vadot  - $ref: /schemas/i2c/i2c-controller.yaml#
14c66ec88fSEmmanuel Vadot
15c66ec88fSEmmanuel Vadotproperties:
16c66ec88fSEmmanuel Vadot  $nodename:
17c66ec88fSEmmanuel Vadot    pattern: "^i2c@[0-9a-f]+$"
18c66ec88fSEmmanuel Vadot
19c66ec88fSEmmanuel Vadot  compatible:
206be33864SEmmanuel Vadot    oneOf:
216be33864SEmmanuel Vadot      - enum:
226be33864SEmmanuel Vadot          - ingenic,jz4770-i2c
23c66ec88fSEmmanuel Vadot          - ingenic,x1000-i2c
246be33864SEmmanuel Vadot      - items:
256be33864SEmmanuel Vadot          - const: ingenic,jz4780-i2c
266be33864SEmmanuel Vadot          - const: ingenic,jz4770-i2c
27c66ec88fSEmmanuel Vadot
28c66ec88fSEmmanuel Vadot  reg:
29c66ec88fSEmmanuel Vadot    maxItems: 1
30c66ec88fSEmmanuel Vadot
31c66ec88fSEmmanuel Vadot  interrupts:
32c66ec88fSEmmanuel Vadot    maxItems: 1
33c66ec88fSEmmanuel Vadot
34c66ec88fSEmmanuel Vadot  clocks:
35c66ec88fSEmmanuel Vadot    maxItems: 1
36c66ec88fSEmmanuel Vadot
37c66ec88fSEmmanuel Vadot  clock-frequency:
38c66ec88fSEmmanuel Vadot    enum: [ 100000, 400000 ]
39c66ec88fSEmmanuel Vadot
40c66ec88fSEmmanuel Vadot  dmas:
41c66ec88fSEmmanuel Vadot    items:
42c66ec88fSEmmanuel Vadot      - description: DMA controller phandle and request line for RX
43c66ec88fSEmmanuel Vadot      - description: DMA controller phandle and request line for TX
44c66ec88fSEmmanuel Vadot
45c66ec88fSEmmanuel Vadot  dma-names:
46c66ec88fSEmmanuel Vadot    items:
47c66ec88fSEmmanuel Vadot      - const: rx
48c66ec88fSEmmanuel Vadot      - const: tx
49c66ec88fSEmmanuel Vadot
50c66ec88fSEmmanuel Vadotrequired:
51c66ec88fSEmmanuel Vadot  - compatible
52c66ec88fSEmmanuel Vadot  - reg
53c66ec88fSEmmanuel Vadot  - interrupts
54c66ec88fSEmmanuel Vadot  - clocks
55c66ec88fSEmmanuel Vadot  - clock-frequency
56c66ec88fSEmmanuel Vadot  - dmas
57c66ec88fSEmmanuel Vadot  - dma-names
58c66ec88fSEmmanuel Vadot
59c66ec88fSEmmanuel VadotunevaluatedProperties: false
60c66ec88fSEmmanuel Vadot
61c66ec88fSEmmanuel Vadotexamples:
62c66ec88fSEmmanuel Vadot  - |
638cc087a1SEmmanuel Vadot    #include <dt-bindings/clock/ingenic,jz4780-cgu.h>
64c66ec88fSEmmanuel Vadot    #include <dt-bindings/dma/jz4780-dma.h>
65c66ec88fSEmmanuel Vadot    #include <dt-bindings/interrupt-controller/irq.h>
66c66ec88fSEmmanuel Vadot    i2c@10054000 {
676be33864SEmmanuel Vadot      compatible = "ingenic,jz4780-i2c", "ingenic,jz4770-i2c";
68c66ec88fSEmmanuel Vadot      #address-cells = <1>;
69c66ec88fSEmmanuel Vadot      #size-cells = <0>;
70c66ec88fSEmmanuel Vadot      reg = <0x10054000 0x1000>;
71c66ec88fSEmmanuel Vadot
72c9ccf3a3SEmmanuel Vadot      interrupts = <56 IRQ_TYPE_LEVEL_LOW>;
73c66ec88fSEmmanuel Vadot
74c66ec88fSEmmanuel Vadot      clocks = <&cgu JZ4780_CLK_SMB4>;
75c66ec88fSEmmanuel Vadot      pinctrl-names = "default";
76c66ec88fSEmmanuel Vadot      pinctrl-0 = <&pins_i2c4_data>;
77c66ec88fSEmmanuel Vadot
78c66ec88fSEmmanuel Vadot      dmas = <&dma JZ4780_DMA_SMB4_RX 0xffffffff>,
79c66ec88fSEmmanuel Vadot             <&dma JZ4780_DMA_SMB4_TX 0xffffffff>;
80c66ec88fSEmmanuel Vadot      dma-names = "rx", "tx";
81c66ec88fSEmmanuel Vadot
82c66ec88fSEmmanuel Vadot      clock-frequency = <400000>;
83c66ec88fSEmmanuel Vadot
84c66ec88fSEmmanuel Vadot      rtc@51 {
85c66ec88fSEmmanuel Vadot        compatible = "nxp,pcf8563";
86c66ec88fSEmmanuel Vadot        reg = <0x51>;
87c66ec88fSEmmanuel Vadot
88c66ec88fSEmmanuel Vadot        interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
89c66ec88fSEmmanuel Vadot      };
90c66ec88fSEmmanuel Vadot    };
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