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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/i2c/ingenic,i2c.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Ingenic SoCs I2C controller8 9maintainers:10 - Paul Cercueil <paul@crapouillou.net>11 12allOf:13 - $ref: /schemas/i2c/i2c-controller.yaml#14 15properties:16 $nodename:17 pattern: "^i2c@[0-9a-f]+$"18 19 compatible:20 oneOf:21 - enum:22 - ingenic,jz4770-i2c23 - ingenic,x1000-i2c24 - items:25 - const: ingenic,jz4780-i2c26 - const: ingenic,jz4770-i2c27 28 reg:29 maxItems: 130 31 interrupts:32 maxItems: 133 34 clocks:35 maxItems: 136 37 clock-frequency:38 enum: [ 100000, 400000 ]39 40 dmas:41 items:42 - description: DMA controller phandle and request line for RX43 - description: DMA controller phandle and request line for TX44 45 dma-names:46 items:47 - const: rx48 - const: tx49 50required:51 - compatible52 - reg53 - interrupts54 - clocks55 - clock-frequency56 - dmas57 - dma-names58 59unevaluatedProperties: false60 61examples: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 };91