# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/i2c/ingenic,i2c.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Ingenic SoCs I2C controller maintainers: - Paul Cercueil allOf: - $ref: /schemas/i2c/i2c-controller.yaml# properties: $nodename: pattern: "^i2c@[0-9a-f]+$" compatible: oneOf: - enum: - ingenic,jz4770-i2c - ingenic,x1000-i2c - items: - const: ingenic,jz4780-i2c - const: ingenic,jz4770-i2c reg: maxItems: 1 interrupts: maxItems: 1 clocks: maxItems: 1 clock-frequency: enum: [ 100000, 400000 ] dmas: items: - description: DMA controller phandle and request line for RX - description: DMA controller phandle and request line for TX dma-names: items: - const: rx - const: tx required: - compatible - reg - interrupts - clocks - clock-frequency - dmas - dma-names unevaluatedProperties: false examples: - | #include #include #include i2c@10054000 { compatible = "ingenic,jz4780-i2c", "ingenic,jz4770-i2c"; #address-cells = <1>; #size-cells = <0>; reg = <0x10054000 0x1000>; interrupts = <56 IRQ_TYPE_LEVEL_LOW>; clocks = <&cgu JZ4780_CLK_SMB4>; pinctrl-names = "default"; pinctrl-0 = <&pins_i2c4_data>; dmas = <&dma JZ4780_DMA_SMB4_RX 0xffffffff>, <&dma JZ4780_DMA_SMB4_TX 0xffffffff>; dma-names = "rx", "tx"; clock-frequency = <400000>; rtc@51 { compatible = "nxp,pcf8563"; reg = <0x51>; interrupts = <30 IRQ_TYPE_LEVEL_LOW>; }; };