| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/i2c/ingenic,i2c.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Ingenic SoCs I2C controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Paul Cercueil <paul@crapouillou.net> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: /schemas/i2c/i2c-controller.yaml# |
| 14 | |
| 15 | properties: |
| 16 | $nodename: |
| 17 | pattern: "^i2c@[0-9a-f]+$" |
| 18 | |
| 19 | compatible: |
| 20 | oneOf: |
| 21 | - enum: |
| 22 | - ingenic,jz4770-i2c |
| 23 | - ingenic,x1000-i2c |
| 24 | - items: |
| 25 | - const: ingenic,jz4780-i2c |
| 26 | - const: ingenic,jz4770-i2c |
| 27 | |
| 28 | reg: |
| 29 | maxItems: 1 |
| 30 | |
| 31 | interrupts: |
| 32 | maxItems: 1 |
| 33 | |
| 34 | clocks: |
| 35 | maxItems: 1 |
| 36 | |
| 37 | clock-frequency: |
| 38 | enum: [ 100000, 400000 ] |
| 39 | |
| 40 | dmas: |
| 41 | items: |
| 42 | - description: DMA controller phandle and request line for RX |
| 43 | - description: DMA controller phandle and request line for TX |
| 44 | |
| 45 | dma-names: |
| 46 | items: |
| 47 | - const: rx |
| 48 | - const: tx |
| 49 | |
| 50 | required: |
| 51 | - compatible |
| 52 | - reg |
| 53 | - interrupts |
| 54 | - clocks |
| 55 | - clock-frequency |
| 56 | - dmas |
| 57 | - dma-names |
| 58 | |
| 59 | unevaluatedProperties: false |
| 60 | |
| 61 | examples: |
| 62 | - | |
| 63 | #include <dt-bindings/clock/ingenic,jz4780-cgu.h> |
| 64 | #include <dt-bindings/dma/jz4780-dma.h> |
| 65 | #include <dt-bindings/interrupt-controller/irq.h> |
| 66 | i2c@10054000 { |
| 67 | compatible = "ingenic,jz4780-i2c", "ingenic,jz4770-i2c"; |
| 68 | #address-cells = <1>; |
| 69 | #size-cells = <0>; |
| 70 | reg = <0x10054000 0x1000>; |
| 71 | |
| 72 | interrupts = <56 IRQ_TYPE_LEVEL_LOW>; |
| 73 | |
| 74 | clocks = <&cgu JZ4780_CLK_SMB4>; |
| 75 | pinctrl-names = "default"; |
| 76 | pinctrl-0 = <&pins_i2c4_data>; |
| 77 | |
| 78 | dmas = <&dma JZ4780_DMA_SMB4_RX 0xffffffff>, |
| 79 | <&dma JZ4780_DMA_SMB4_TX 0xffffffff>; |
| 80 | dma-names = "rx", "tx"; |
| 81 | |
| 82 | clock-frequency = <400000>; |
| 83 | |
| 84 | rtc@51 { |
| 85 | compatible = "nxp,pcf8563"; |
| 86 | reg = <0x51>; |
| 87 | |
| 88 | interrupts = <30 IRQ_TYPE_LEVEL_LOW>; |
| 89 | }; |
| 90 | }; |